diff --git a/packages/loopover-mcp/lib/local-branch.js b/packages/loopover-mcp/lib/local-branch.js index 58bf125b4f..64e6329aad 100644 --- a/packages/loopover-mcp/lib/local-branch.js +++ b/packages/loopover-mcp/lib/local-branch.js @@ -1,592 +1,591 @@ import { execFileSync } from "node:child_process"; import { realpathSync } from "node:fs"; -import { isAbsolute, join, relative, resolve } from "node:path"; +import { isAbsolute, relative, resolve } from "node:path"; import { fileURLToPath } from "node:url"; import { isCodeFile, isTestPath as isTestFile } from "@loopover/engine/signals/test-evidence"; import { redactLocalPath } from "./redact-local-path.js"; - export { isCodeFile, isTestFile }; export { redactLocalPath }; - function stripTrailingSlashes(value) { - let end = value.length; - while (end > 0 && value.charCodeAt(end - 1) === 47) end -= 1; - return end === value.length ? value : value.slice(0, end); + let end = value.length; + while (end > 0 && value.charCodeAt(end - 1) === 47) + end -= 1; + return end === value.length ? value : value.slice(0, end); } - export function parseGitRemote(remoteUrl) { - const trimmed = stripTrailingSlashes(String(remoteUrl ?? "").trim()); - const patterns = [ - /^git@github\.com:([^/]+)\/(.+?)(?:\.git)?$/, - /^https:\/\/github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, - /^ssh:\/\/git@github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, - ]; - for (const pattern of patterns) { - const match = trimmed.match(pattern); - if (match?.[1] && match[2]) return `${match[1]}/${match[2].replace(/\.git$/, "")}`; - } - return undefined; -} - + const trimmed = stripTrailingSlashes(String(remoteUrl ?? "").trim()); + const patterns = [ + /^git@github\.com:([^/]+)\/(.+?)(?:\.git)?$/, + /^https:\/\/github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, + /^ssh:\/\/git@github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, + ]; + for (const pattern of patterns) { + const match = trimmed.match(pattern); + if (match?.[1] && match[2]) + return `${match[1]}/${match[2].replace(/\.git$/, "")}`; + } + return undefined; +} export function collectLocalDiff(cwd, baseRef, workspaceRoots) { - const metadata = collectLocalBranchMetadata({ cwd, baseRef, login: "local", workspaceRoots }); - return { - title: metadata.title ?? "Local diff preflight", - commitMessage: metadata.commitMessages.join("\n\n").trim(), - changedFiles: metadata.changedFiles.map((file) => file.path), - changedLineCount: metadata.changedFiles.reduce((sum, file) => sum + (file.additions ?? 0) + (file.deletions ?? 0), 0), - testFiles: metadata.changedFiles.map((file) => file.path).filter(isTestFile), - codeFiles: metadata.changedFiles.map((file) => file.path).filter(isCodeFile), - }; -} - + const metadata = collectLocalBranchMetadata({ cwd, baseRef, login: "local", workspaceRoots }); + return { + /* v8 ignore next -- metadata.title is always a defined string (titleFromBranch never returns nullish) */ + title: metadata.title ?? "Local diff preflight", + commitMessage: metadata.commitMessages.join("\n\n").trim(), + changedFiles: metadata.changedFiles.map((file) => file.path), + /* v8 ignore next -- collectChangedFiles always emits numeric additions/deletions, so the ?? 0 defaults never apply */ + changedLineCount: metadata.changedFiles.reduce((sum, file) => sum + (file.additions ?? 0) + (file.deletions ?? 0), 0), + testFiles: metadata.changedFiles.map((file) => file.path).filter(isTestFile), + codeFiles: metadata.changedFiles.map((file) => file.path).filter(isCodeFile), + }; +} export function collectLocalBranchMetadata(input) { - assertSourceUploadDisabled(); - const workspace = resolveWorkspaceCwd(input); - const cwd = workspace.cwd; - const baseRef = input.baseRef ?? defaultBaseRef(cwd); - const remoteUrl = gitLines(cwd, ["config", "--get", "remote.origin.url"])[0] ?? ""; - const repoFullName = input.repoFullName ?? parseGitRemote(remoteUrl); - if (!repoFullName) throw new Error("Could not infer repoFullName from git remote; pass --repo owner/repo."); - const branchName = input.branchName ?? gitLines(cwd, ["branch", "--show-current"])[0] ?? "local-branch"; - const headRef = input.headRef ?? gitLines(cwd, ["rev-parse", "--abbrev-ref", "HEAD"])[0] ?? branchName; - const baseSha = gitLines(cwd, ["rev-parse", "--verify", baseRef])[0]; - const headSha = gitLines(cwd, ["rev-parse", "--verify", "HEAD"])[0]; - const mergeBaseSha = gitLines(cwd, ["merge-base", baseRef, "HEAD"])[0]; - const remoteTrackingSha = collectRemoteTrackingSha(cwd, baseRef); - const changedFiles = collectChangedFiles(cwd, baseRef); - const pendingCommitCount = input.pendingCommitCount ?? collectPendingCommitCount(cwd, baseRef); - const ciStatusHints = input.ciStatusHints ?? collectCiStatusHints(cwd, baseRef, changedFiles); - const commitMessages = input.commitMessages ?? collectCommitMessages(cwd, baseRef); - const title = input.title ?? titleFromBranch(branchName) ?? firstCommitTitle(commitMessages); - const linkedIssues = [...new Set([...(input.linkedIssues ?? []), ...extractLinkedIssues([branchName, title, input.body, ...commitMessages].filter(Boolean).join("\n"))])].sort( - (left, right) => left - right, - ); - const payload = { - login: input.login, - repoFullName, - baseRef, - headRef, - branchName, - baseSha, - headSha, - mergeBaseSha, - remoteTrackingSha, - commitMessages, - changedFiles, - validation: input.validation, - linkedIssues, - labels: input.labels, - title, - body: input.body, - pendingMergedPrCount: input.pendingMergedPrCount, - pendingClosedPrCount: input.pendingClosedPrCount, - approvedPrCount: input.approvedPrCount, - expectedOpenPrCountAfterMerge: input.expectedOpenPrCountAfterMerge, - projectedCredibility: input.projectedCredibility, - scenarioNotes: input.scenarioNotes, - pendingCommitCount, - ciStatusHints, - branchEligibility: input.branchEligibility, - }; - return stripUndefined(payload); -} - + assertSourceUploadDisabled(); + const workspace = resolveWorkspaceCwd(input); + const cwd = workspace.cwd; + const baseRef = input.baseRef ?? defaultBaseRef(cwd); + const remoteUrl = gitLines(cwd, ["config", "--get", "remote.origin.url"])[0] ?? ""; + const repoFullName = input.repoFullName ?? parseGitRemote(remoteUrl); + if (!repoFullName) + throw new Error("Could not infer repoFullName from git remote; pass --repo owner/repo."); + const branchName = input.branchName ?? gitLines(cwd, ["branch", "--show-current"])[0] ?? "local-branch"; + const headRef = input.headRef ?? gitLines(cwd, ["rev-parse", "--abbrev-ref", "HEAD"])[0] ?? branchName; + const baseSha = gitLines(cwd, ["rev-parse", "--verify", baseRef])[0]; + const headSha = gitLines(cwd, ["rev-parse", "--verify", "HEAD"])[0]; + const mergeBaseSha = gitLines(cwd, ["merge-base", baseRef, "HEAD"])[0]; + const remoteTrackingSha = collectRemoteTrackingSha(cwd, baseRef); + const changedFiles = collectChangedFiles(cwd, baseRef); + const pendingCommitCount = input.pendingCommitCount ?? collectPendingCommitCount(cwd, baseRef); + const ciStatusHints = input.ciStatusHints ?? collectCiStatusHints(cwd, baseRef, changedFiles); + const commitMessages = input.commitMessages ?? collectCommitMessages(cwd, baseRef); + /* v8 ignore next -- titleFromBranch never returns nullish, so the firstCommitTitle fallback is unreachable */ + const title = input.title ?? titleFromBranch(branchName) ?? firstCommitTitle(commitMessages); + const linkedIssues = [...new Set([...(input.linkedIssues ?? []), ...extractLinkedIssues([branchName, title, input.body, ...commitMessages].filter(Boolean).join("\n"))])].sort((left, right) => left - right); + const payload = { + login: input.login, + repoFullName, + baseRef, + headRef, + branchName, + baseSha, + headSha, + mergeBaseSha, + remoteTrackingSha, + commitMessages, + changedFiles, + validation: input.validation, + linkedIssues, + labels: input.labels, + title, + body: input.body, + pendingMergedPrCount: input.pendingMergedPrCount, + pendingClosedPrCount: input.pendingClosedPrCount, + approvedPrCount: input.approvedPrCount, + expectedOpenPrCountAfterMerge: input.expectedOpenPrCountAfterMerge, + projectedCredibility: input.projectedCredibility, + scenarioNotes: input.scenarioNotes, + pendingCommitCount, + ciStatusHints, + branchEligibility: input.branchEligibility, + }; + return stripUndefined(payload); +} export function collectPendingCommitCount(cwd, baseRef) { - const count = gitLines(cwd, ["rev-list", "--count", `${baseRef}..HEAD`])[0]; - const parsed = Number(count); - return Number.isFinite(parsed) && parsed >= 0 ? Math.trunc(parsed) : 0; + const count = gitLines(cwd, ["rev-list", "--count", `${baseRef}..HEAD`])[0]; + const parsed = Number(count); + return Number.isFinite(parsed) && parsed >= 0 ? Math.trunc(parsed) : 0; } - export function collectCiStatusHints(cwd, baseRef, changedFiles = []) { - const hints = []; - const paths = changedFiles.map((file) => file.path).filter(Boolean); - if (paths.some((path) => /^\.github\/workflows\//i.test(path))) { - hints.push("Workflow files changed; CI required-check behavior may change after merge."); - } - if (paths.some((path) => /(^|\/)(Makefile|Dockerfile|package\.json|pyproject\.toml|go\.mod|Cargo\.toml)$/i.test(path))) { - hints.push("Build or dependency manifests changed; rerun the repo's standard validation commands."); - } - const pendingCommits = collectPendingCommitCount(cwd, baseRef); - if (pendingCommits > 0) { - hints.push(`${pendingCommits} local commit(s) ahead of ${baseRef}; push or rebase before reviewers rely on the latest diff.`); - } - return hints; -} - + const hints = []; + const paths = changedFiles.map((file) => file.path).filter(Boolean); + if (paths.some((path) => /^\.github\/workflows\//i.test(path))) { + hints.push("Workflow files changed; CI required-check behavior may change after merge."); + } + if (paths.some((path) => /(^|\/)(Makefile|Dockerfile|package\.json|pyproject\.toml|go\.mod|Cargo\.toml)$/i.test(path))) { + hints.push("Build or dependency manifests changed; rerun the repo's standard validation commands."); + } + const pendingCommits = collectPendingCommitCount(cwd, baseRef); + if (pendingCommits > 0) { + hints.push(`${pendingCommits} local commit(s) ahead of ${baseRef}; push or rebase before reviewers rely on the latest diff.`); + } + return hints; +} export function buildBranchAnalysisPayload(input) { - const workspace = resolveWorkspaceCwd(input); - const metadata = collectLocalBranchMetadata({ ...input, cwd: workspace.cwd }); - const scorerMetadata = { ...metadata, repoRoot: workspace.cwd }; - const scorerCommand = resolveScorePreviewCommand(input); - const externalPreview = runExternalScorePreview(scorerMetadata, scorerCommand); - const localScorer = externalPreview.ok ? normalizeScorerOutput(externalPreview.payload) : metadataOnlyScorer(externalPreview); - return { - ...metadata, - localScorer, - localScorerStatus: sanitizeLocalScorerStatus(externalPreview), - }; -} - + const workspace = resolveWorkspaceCwd(input); + const metadata = collectLocalBranchMetadata({ ...input, cwd: workspace.cwd }); + const scorerMetadata = { ...metadata, repoRoot: workspace.cwd }; + const scorerCommand = resolveScorePreviewCommand(input); + const externalPreview = runExternalScorePreview(scorerMetadata, scorerCommand); + const localScorer = externalPreview.ok ? normalizeScorerOutput(externalPreview.payload) : metadataOnlyScorer(externalPreview); + return { + ...metadata, + localScorer, + localScorerStatus: sanitizeLocalScorerStatus(externalPreview), + }; +} export function resolveWorkspaceCwd(input = {}) { - const workspaceRoots = normalizeMcpWorkspaceRoots(input.workspaceRoots); - if (workspaceRoots.length === 0) { + const workspaceRoots = normalizeMcpWorkspaceRoots(input.workspaceRoots); + if (workspaceRoots.length === 0) { + return { + cwd: safeResolvedPath(input.cwd ?? process.cwd()), + rootsAvailable: false, + rootCount: 0, + }; + } + const selectedRoot = workspaceRoots[0]; + const requestedCwd = input.cwd === undefined || input.cwd === null || input.cwd === "" + ? selectedRoot.path + : isAbsolute(String(input.cwd)) + ? String(input.cwd) + : resolve(selectedRoot.path, String(input.cwd)); + const cwd = safeResolvedPath(requestedCwd); + const containingRoot = workspaceRoots.find((root) => pathIsInside(cwd, root.path)); + if (!containingRoot) { + throw new Error("Selected workspace is outside the MCP roots exposed by the client."); + } return { - cwd: safeResolvedPath(input.cwd ?? process.cwd()), - rootsAvailable: false, - rootCount: 0, + cwd, + rootsAvailable: true, + rootCount: workspaceRoots.length, }; - } - - const selectedRoot = workspaceRoots[0]; - const requestedCwd = - input.cwd === undefined || input.cwd === null || input.cwd === "" - ? selectedRoot.path - : isAbsolute(String(input.cwd)) - ? String(input.cwd) - : resolve(selectedRoot.path, String(input.cwd)); - const cwd = safeResolvedPath(requestedCwd); - const containingRoot = workspaceRoots.find((root) => pathIsInside(cwd, root.path)); - if (!containingRoot) { - throw new Error("Selected workspace is outside the MCP roots exposed by the client."); - } - - return { - cwd, - rootsAvailable: true, - rootCount: workspaceRoots.length, - }; -} - +} export function normalizeMcpWorkspaceRoots(roots) { - if (!Array.isArray(roots)) return []; - const normalized = []; - const seen = new Set(); - for (const root of roots) { - const uri = typeof root?.uri === "string" ? root.uri : ""; - if (!uri.startsWith("file:")) continue; - try { - const path = safeResolvedPath(fileURLToPath(uri)); - if (seen.has(path)) continue; - seen.add(path); - normalized.push({ path }); - } catch { - // Ignore non-local or malformed root URIs. Clients without usable roots fall back to cwd. + if (!Array.isArray(roots)) + return []; + const normalized = []; + const seen = new Set(); + for (const root of roots) { + const uri = typeof root?.uri === "string" ? root.uri : ""; + if (!uri.startsWith("file:")) + continue; + try { + const path = safeResolvedPath(fileURLToPath(uri)); + if (seen.has(path)) + continue; + seen.add(path); + normalized.push({ path }); + } + catch { + // Ignore non-local or malformed root URIs. Clients without usable roots fall back to cwd. + } } - } - return normalized; + return normalized; } - function safeResolvedPath(path) { - const resolved = resolve(String(path)); - try { - return realpathSync(resolved); - } catch { - return resolved; - } -} - + const resolved = resolve(String(path)); + try { + return realpathSync(resolved); + } + catch { + return resolved; + } +} function pathIsInside(candidate, root) { - const child = safeResolvedPath(candidate); - const parent = safeResolvedPath(root); - const childRelativeToParent = relative(parent, child); - return childRelativeToParent === "" || (!!childRelativeToParent && !childRelativeToParent.startsWith("..") && !isAbsolute(childRelativeToParent)); + const child = safeResolvedPath(candidate); + const parent = safeResolvedPath(root); + const childRelativeToParent = relative(parent, child); + return childRelativeToParent === "" || (!!childRelativeToParent && !childRelativeToParent.startsWith("..") && !isAbsolute(childRelativeToParent)); } - export function resolveScorePreviewCommand(input = {}) { - const explicit = input.scorePreviewCommand ?? process.env.GITTENSOR_SCORE_PREVIEW_CMD; - if (typeof explicit === "string" && explicit.trim()) return explicit.trim(); - return undefined; + const explicit = input.scorePreviewCommand ?? process.env.GITTENSOR_SCORE_PREVIEW_CMD; + if (typeof explicit === "string" && explicit.trim()) + return explicit.trim(); + return undefined; } - export function referenceScorePreviewExample(kind = "metadata") { - const script = kind === "gittensor" ? "gittensor-score-preview.py" : "gittensor-score-preview.mjs"; - const interpreter = kind === "gittensor" ? "python3" : "node"; - return `${interpreter} ./node_modules/@loopover/mcp/scripts/${script}`; + const script = kind === "gittensor" ? "gittensor-score-preview.py" : "gittensor-score-preview.mjs"; + const interpreter = kind === "gittensor" ? "python3" : "node"; + return `${interpreter} ./node_modules/@loopover/mcp/scripts/${script}`; } - export function redactScorerCommand(command) { - const text = String(command ?? "").trim(); - if (!text) return text; - const parts = splitCommand(text); - const interpreter = parts[0]?.split(/[\\/]/).pop() ?? "command"; - const script = parts.at(-1)?.split(/[\\/]/).pop(); - if (script && /\.(mjs|js|cjs|py)$/i.test(script)) return `${interpreter} /${script}`; - return ""; -} - + const text = String(command ?? "").trim(); + if (!text) + return text; + const parts = splitCommand(text); + /* v8 ignore next -- pop() on a non-empty split() result is always a string, so the "command" fallback is unreachable */ + const interpreter = parts[0]?.split(/[\\/]/).pop() ?? "command"; + const script = parts.at(-1)?.split(/[\\/]/).pop(); + if (script && /\.(mjs|js|cjs|py)$/i.test(script)) + return `${interpreter} /${script}`; + return ""; +} export function sanitizeLocalScorerStatus(status) { - if (!status || typeof status !== "object") return status; - return stripUndefined({ - ...status, - reason: status.reason ? redactLocalPath(String(status.reason)) : undefined, - stderr: status.stderr ? redactLocalPath(String(status.stderr)) : undefined, - scorerCommand: status.scorerCommand ? redactScorerCommand(status.scorerCommand) : undefined, - }); -} - -export function runExternalScorePreview(metadata, scorerCommand) { - const timeoutMs = scorePreviewTimeoutMs(); - if (!scorerCommand) { - return scorerFailure("missing_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is not configured."); - } - const parts = splitCommand(scorerCommand); - const command = parts[0]; - const args = parts.slice(1); - if (!command) { - return scorerFailure("empty_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is empty."); - } - - const startedAt = Date.now(); - try { - const output = execFileSync(command, args, { - input: JSON.stringify({ - ...metadata, - repoRoot: metadata.repoRoot ?? metadata.cwd, - gittensorRoot: process.env.GITTENSOR_ROOT, - }), - encoding: "utf8", - timeout: timeoutMs, - stdio: ["pipe", "pipe", "pipe"], + if (!status || typeof status !== "object") + return status; + return stripUndefined({ + ...status, + reason: status.reason ? redactLocalPath(String(status.reason)) : undefined, + stderr: status.stderr ? redactLocalPath(String(status.stderr)) : undefined, + scorerCommand: status.scorerCommand ? redactScorerCommand(status.scorerCommand) : undefined, }); - const durationMs = Date.now() - startedAt; - let payload; - try { - payload = JSON.parse(output); - } catch { - return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { - durationMs, - stderr: truncateText(output), - fallbackMode: "metadata_only", - }); +} +export function runExternalScorePreview(metadata, scorerCommand) { + const timeoutMs = scorePreviewTimeoutMs(); + if (!scorerCommand) { + return scorerFailure("missing_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is not configured."); } - if (!payload || typeof payload !== "object" || Array.isArray(payload)) { - return scorerFailure("malformed_json", "External scorer stdout must be a JSON object.", { - durationMs, - fallbackMode: "metadata_only", - }); + const parts = splitCommand(scorerCommand); + const command = parts[0]; + const args = parts.slice(1); + if (!command) { + return scorerFailure("empty_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is empty."); } - const normalized = normalizeScorerOutput(payload); - if (normalized.sourceTokenScore === undefined && normalized.totalTokenScore === undefined) { - return scorerFailure("malformed_json", "External scorer JSON must include sourceTokenScore or totalTokenScore.", { - durationMs, - fallbackMode: "metadata_only", - }); + const startedAt = Date.now(); + try { + const output = execFileSync(command, args, { + input: JSON.stringify({ + ...metadata, + repoRoot: metadata.repoRoot ?? metadata.cwd, + gittensorRoot: process.env.GITTENSOR_ROOT, + }), + encoding: "utf8", + timeout: timeoutMs, + stdio: ["pipe", "pipe", "pipe"], + }); + const durationMs = Date.now() - startedAt; + let payload; + try { + payload = JSON.parse(output); + } + catch { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(output), + fallbackMode: "metadata_only", + }); + } + if (!payload || typeof payload !== "object" || Array.isArray(payload)) { + return scorerFailure("malformed_json", "External scorer stdout must be a JSON object.", { + durationMs, + fallbackMode: "metadata_only", + }); + } + const normalized = normalizeScorerOutput(payload); + if (normalized.sourceTokenScore === undefined && normalized.totalTokenScore === undefined) { + return scorerFailure("malformed_json", "External scorer JSON must include sourceTokenScore or totalTokenScore.", { + durationMs, + fallbackMode: "metadata_only", + }); + } + return stripUndefined({ + ok: true, + code: "success", + reason: "external_scorer_succeeded", + durationMs, + payload, + fallbackMode: "external_command", + }); + } + catch (error) { + return classifyScorerExecFailure(error, Date.now() - startedAt, scorerCommand); } - return stripUndefined({ - ok: true, - code: "success", - reason: "external_scorer_succeeded", - durationMs, - payload, - fallbackMode: "external_command", - }); - } catch (error) { - return classifyScorerExecFailure(error, Date.now() - startedAt, scorerCommand); - } } - export function setupGuidanceForLocalScorer(status) { - if (status.ok) return []; - const safeStatus = sanitizeLocalScorerStatus(status); - const code = safeStatus.code ?? inferScorerCode(safeStatus.reason); - const guidance = [ - "LoopOver used metadata-only analysis because no external scorer succeeded.", - ]; - switch (code) { - case "missing_scorer_command": - guidance.push(`Set GITTENSOR_SCORE_PREVIEW_CMD, for example: export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("metadata")}"`); - guidance.push(`For tree-sitter scoring with a local gittensor checkout: export GITTENSOR_ROOT= && export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("gittensor")}"`); - break; - case "empty_scorer_command": - guidance.push("GITTENSOR_SCORE_PREVIEW_CMD is set but empty; provide a command that reads branch metadata JSON from stdin."); - break; - case "timeout": - guidance.push(`External scorer exceeded ${scorePreviewTimeoutMs()}ms; simplify the scorer or raise GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS.`); - break; - case "malformed_json": - guidance.push("External scorer must print one JSON object with sourceTokenScore/totalTokenScore fields to stdout."); - if (safeStatus.stderr) guidance.push(`Last scorer stdout snippet: ${truncateText(safeStatus.stderr, 160)}`); - break; - case "non_zero_exit": - guidance.push("External scorer exited with a non-zero status; inspect stderr and run loopover-mcp doctor."); - if (safeStatus.stderr) guidance.push(`Scorer stderr: ${truncateText(safeStatus.stderr, 160)}`); - if (typeof safeStatus.exitCode === "number") guidance.push(`Exit code: ${safeStatus.exitCode}`); - break; - default: - guidance.push("Set GITTENSOR_SCORE_PREVIEW_CMD to a command that reads branch metadata JSON from stdin and emits scoring metrics JSON."); - if (safeStatus.reason) guidance.push(`Last scorer error: ${safeStatus.reason}`); - break; - } - guidance.push("Local scorer output stays on your machine; LoopOver never uploads source contents."); - return guidance; -} - + if (status.ok) + return []; + const safeStatus = sanitizeLocalScorerStatus(status); + const code = safeStatus.code ?? inferScorerCode(safeStatus.reason); + const guidance = [ + "LoopOver used metadata-only analysis because no external scorer succeeded.", + ]; + switch (code) { + case "missing_scorer_command": + guidance.push(`Set GITTENSOR_SCORE_PREVIEW_CMD, for example: export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("metadata")}"`); + guidance.push(`For tree-sitter scoring with a local gittensor checkout: export GITTENSOR_ROOT= && export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("gittensor")}"`); + break; + case "empty_scorer_command": + guidance.push("GITTENSOR_SCORE_PREVIEW_CMD is set but empty; provide a command that reads branch metadata JSON from stdin."); + break; + case "timeout": + guidance.push(`External scorer exceeded ${scorePreviewTimeoutMs()}ms; simplify the scorer or raise GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS.`); + break; + case "malformed_json": + guidance.push("External scorer must print one JSON object with sourceTokenScore/totalTokenScore fields to stdout."); + if (safeStatus.stderr) + guidance.push(`Last scorer stdout snippet: ${truncateText(safeStatus.stderr, 160)}`); + break; + case "non_zero_exit": + guidance.push("External scorer exited with a non-zero status; inspect stderr and run loopover-mcp doctor."); + if (safeStatus.stderr) + guidance.push(`Scorer stderr: ${truncateText(safeStatus.stderr, 160)}`); + if (typeof safeStatus.exitCode === "number") + guidance.push(`Exit code: ${safeStatus.exitCode}`); + break; + default: + guidance.push("Set GITTENSOR_SCORE_PREVIEW_CMD to a command that reads branch metadata JSON from stdin and emits scoring metrics JSON."); + if (safeStatus.reason) + guidance.push(`Last scorer error: ${safeStatus.reason}`); + break; + } + guidance.push("Local scorer output stays on your machine; LoopOver never uploads source contents."); + return guidance; +} export function probeLocalScorer(scorerCommand = resolveScorePreviewCommand()) { - return sanitizeLocalScorerStatus( - runExternalScorePreview( - { - repoFullName: "JSONbored/loopover", - branchName: "doctor-probe", - changedFiles: [{ path: "src/example.ts", additions: 12, deletions: 2, status: "modified" }], - repoRoot: process.cwd(), - }, - scorerCommand, - ), - ); -} - + return sanitizeLocalScorerStatus(runExternalScorePreview({ + repoFullName: "JSONbored/loopover", + branchName: "doctor-probe", + changedFiles: [{ path: "src/example.ts", additions: 12, deletions: 2, status: "modified" }], + repoRoot: process.cwd(), + }, scorerCommand)); +} function gitOutput(cwd, args) { - try { - return execFileSync("git", args, { cwd, encoding: "utf8", stdio: ["ignore", "pipe", "ignore"], timeout: 5000 }); - } catch { - return ""; - } + try { + return execFileSync("git", args, { cwd, encoding: "utf8", stdio: ["ignore", "pipe", "ignore"], timeout: 5000 }); + } + catch { + return ""; + } } - export function gitLines(cwd, args) { - return gitOutput(cwd, args) - .split("\n") - .map((line) => line.trim()) - .filter(Boolean); + return gitOutput(cwd, args) + .split("\n") + .map((line) => line.trim()) + .filter(Boolean); } - function collectChangedFiles(cwd, baseRef) { - // Read both halves with `-z`: the human format quotes non-ASCII/control-char paths, so a quoted - // name-status key would never match the verbatim numstat key and the file's stats would be lost. - const numstat = new Map(parseNumstat(cwd, baseRef).map((entry) => [entry.path, entry])); - return parseNameStatus(cwd, baseRef).map((entry) => { - const stats = numstat.get(entry.path) ?? { additions: 0, deletions: 0, binary: false }; - return stripUndefined({ - path: entry.path, - previousPath: entry.previousPath, - additions: stats.additions, - deletions: stats.deletions, - status: statusFromCode(entry.code), - binary: stats.binary, + // Read both halves with `-z`: the human format quotes non-ASCII/control-char paths, so a quoted + // name-status key would never match the verbatim numstat key and the file's stats would be lost. + const numstat = new Map(parseNumstat(cwd, baseRef).map((entry) => [entry.path, entry])); + return parseNameStatus(cwd, baseRef).map((entry) => { + /* v8 ignore next -- with -z every --name-status path has a matching --numstat entry, so the default object is unused */ + const stats = numstat.get(entry.path) ?? { additions: 0, deletions: 0, binary: false }; + return stripUndefined({ + path: entry.path, + previousPath: entry.previousPath, + additions: stats.additions, + deletions: stats.deletions, + status: statusFromCode(entry.code), + binary: stats.binary, + }); }); - }); } - function parseNameStatus(cwd, baseRef) { - // `-z`: the status code is its own field and paths are verbatim; a rename is followed by the old - // then the new path, any other status by a single path. - const records = gitOutput(cwd, ["diff", "--name-status", "-M", "-z", baseRef, "--"]).split("\0"); - const entries = []; - for (let index = 0; index < records.length; index += 1) { - const code = records[index]; - if (!code) continue; - const isRename = code.startsWith("R"); - const previousPath = isRename ? records[index + 1] : undefined; - const path = records[index + (isRename ? 2 : 1)]; - index += isRename ? 2 : 1; - entries.push({ code, path, previousPath }); - } - return entries; -} - + // `-z`: the status code is its own field and paths are verbatim; a rename is followed by the old + // then the new path, any other status by a single path. + const records = gitOutput(cwd, ["diff", "--name-status", "-M", "-z", baseRef, "--"]).split("\0"); + const entries = []; + for (let index = 0; index < records.length; index += 1) { + const code = records[index]; + if (!code) + continue; + const isRename = code.startsWith("R"); + const previousPath = isRename ? records[index + 1] : undefined; + const path = records[index + (isRename ? 2 : 1)]; + index += isRename ? 2 : 1; + entries.push({ code, path, previousPath }); + } + return entries; +} function parseNumstat(cwd, baseRef) { - // `-z`: paths are verbatim and a rename emits old/new as separate fields, not the lossy - // "{a => b}" / "a => b" human form that left cross-directory renames keyed by an unmatchable string. - const records = gitOutput(cwd, ["diff", "--numstat", "-M", "-z", baseRef, "--"]).split("\0"); - const entries = []; - for (let index = 0; index < records.length; index += 1) { - const stat = records[index]; - if (!stat) continue; - const [added, deleted, inlinePath] = splitNumstatStat(stat); - // An empty inline path marks a rename: the new path is the second of the two following fields. - let path = inlinePath; - if (inlinePath === "") { - path = records[index + 2]; - index += 2; + // `-z`: paths are verbatim and a rename emits old/new as separate fields, not the lossy + // "{a => b}" / "a => b" human form that left cross-directory renames keyed by an unmatchable string. + const records = gitOutput(cwd, ["diff", "--numstat", "-M", "-z", baseRef, "--"]).split("\0"); + const entries = []; + for (let index = 0; index < records.length; index += 1) { + const stat = records[index]; + if (!stat) + continue; + const [added, deleted, inlinePath] = splitNumstatStat(stat); + // An empty inline path marks a rename: the new path is the second of the two following fields. + let path = inlinePath; + if (inlinePath === "") { + path = records[index + 2]; + index += 2; + } + const binary = added === "-"; + entries.push({ path, additions: binary ? 0 : Number(added), deletions: binary ? 0 : Number(deleted), binary }); } - const binary = added === "-"; - entries.push({ path, additions: binary ? 0 : Number(added), deletions: binary ? 0 : Number(deleted), binary }); - } - return entries; + return entries; } - function splitNumstatStat(stat) { - // "\t\t" -- keep the path slice intact even if it contains tabs. - const firstTab = stat.indexOf("\t"); - const secondTab = stat.indexOf("\t", firstTab + 1); - return [stat.slice(0, firstTab), stat.slice(firstTab + 1, secondTab), stat.slice(secondTab + 1)]; + // "\t\t" -- keep the path slice intact even if it contains tabs. + const firstTab = stat.indexOf("\t"); + const secondTab = stat.indexOf("\t", firstTab + 1); + return [stat.slice(0, firstTab), stat.slice(firstTab + 1, secondTab), stat.slice(secondTab + 1)]; } - function collectCommitMessages(cwd, baseRef) { - const rangeMessages = gitLines(cwd, ["log", "--pretty=%B%x1e", `${baseRef}..HEAD`]).join("\n"); - const messages = rangeMessages - .split("\u001e") - .map((message) => message.trim()) - .filter(Boolean); - if (messages.length > 0) return messages.slice(0, 30); - const last = gitLines(cwd, ["log", "-1", "--pretty=%B"]).join("\n").trim(); - return last ? [last] : []; -} - + const rangeMessages = gitLines(cwd, ["log", "--pretty=%B%x1e", `${baseRef}..HEAD`]).join("\n"); + const messages = rangeMessages + .split("\u001e") + .map((message) => message.trim()) + .filter(Boolean); + if (messages.length > 0) + return messages.slice(0, 30); + const last = gitLines(cwd, ["log", "-1", "--pretty=%B"]).join("\n").trim(); + return last ? [last] : []; +} function defaultBaseRef(cwd) { - const originHead = gitLines(cwd, ["symbolic-ref", "--quiet", "--short", "refs/remotes/origin/HEAD"])[0]; - if (originHead) return originHead; - if (gitLines(cwd, ["rev-parse", "--verify", "origin/main"]).length > 0) return "origin/main"; - if (gitLines(cwd, ["rev-parse", "--verify", "origin/master"]).length > 0) return "origin/master"; - return "HEAD"; + const originHead = gitLines(cwd, ["symbolic-ref", "--quiet", "--short", "refs/remotes/origin/HEAD"])[0]; + if (originHead) + return originHead; + if (gitLines(cwd, ["rev-parse", "--verify", "origin/main"]).length > 0) + return "origin/main"; + if (gitLines(cwd, ["rev-parse", "--verify", "origin/master"]).length > 0) + return "origin/master"; + return "HEAD"; } - function collectRemoteTrackingSha(cwd, baseRef) { - const match = String(baseRef ?? "").replace(/^refs\/remotes\//, "").match(/^origin\/(.+)$/); - const branch = match?.[1]; - if (!branch) return undefined; - const remoteRow = gitLines(cwd, ["ls-remote", "--heads", "origin", branch])[0]; - return remoteRow?.split(/\s+/)[0]; + /* v8 ignore next -- baseRef is always the resolved non-null string from collectLocalBranchMetadata */ + const match = String(baseRef ?? "").replace(/^refs\/remotes\//, "").match(/^origin\/(.+)$/); + const branch = match?.[1]; + if (!branch) + return undefined; + const remoteRow = gitLines(cwd, ["ls-remote", "--heads", "origin", branch])[0]; + return remoteRow?.split(/\s+/)[0]; } - function normalizeScorerOutput(payload) { - return stripUndefined({ - mode: "external_command", - activeModel: stringValue(payload.activeModel ?? payload.active_model), - sourceTokenScore: numberValue(payload.sourceTokenScore ?? payload.source_token_score ?? payload.source?.tokenScore), - totalTokenScore: numberValue(payload.totalTokenScore ?? payload.total_token_score ?? payload.total?.tokenScore), - sourceLines: numberValue(payload.sourceLines ?? payload.source_lines ?? payload.source?.lines), - testTokenScore: numberValue(payload.testTokenScore ?? payload.test_token_score ?? payload.tests?.tokenScore), - nonCodeTokenScore: numberValue(payload.nonCodeTokenScore ?? payload.non_code_token_score ?? payload.nonCode?.tokenScore), - warnings: Array.isArray(payload.warnings) ? payload.warnings.map(String) : undefined, - }); -} - + return stripUndefined({ + mode: "external_command", + activeModel: stringValue(payload.activeModel ?? payload.active_model), + sourceTokenScore: numberValue(payload.sourceTokenScore ?? payload.source_token_score ?? payload.source?.tokenScore), + totalTokenScore: numberValue(payload.totalTokenScore ?? payload.total_token_score ?? payload.total?.tokenScore), + sourceLines: numberValue(payload.sourceLines ?? payload.source_lines ?? payload.source?.lines), + testTokenScore: numberValue(payload.testTokenScore ?? payload.test_token_score ?? payload.tests?.tokenScore), + nonCodeTokenScore: numberValue(payload.nonCodeTokenScore ?? payload.non_code_token_score ?? payload.nonCode?.tokenScore), + warnings: Array.isArray(payload.warnings) ? payload.warnings.map(String) : undefined, + }); +} function metadataOnlyScorer(status) { - return { - mode: "metadata_only", - warnings: [status.reason ?? status.code ?? "external_scorer_unavailable"], - }; + return { + mode: "metadata_only", + /* v8 ignore next -- every failure status carries a reason, so the code / literal fallbacks are unreachable */ + warnings: [status.reason ?? status.code ?? "external_scorer_unavailable"], + }; } - function scorerFailure(code, reason, extra = {}) { - return stripUndefined({ - ok: false, - code, - reason, - fallbackMode: "metadata_only", - ...extra, - }); -} - -function classifyScorerExecFailure(error, durationMs, scorerCommand) { - const execError = error && typeof error === "object" ? error : undefined; - const stdout = String(execError?.stdout ?? execError?.output?.[1] ?? "").trim(); - const stderr = truncateText(execError?.stderr ?? execError?.output?.[2] ?? ""); - const exitCode = typeof execError?.status === "number" ? execError.status : undefined; - if (stdout && !looksLikeScorerJson(stdout)) { - return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { - durationMs, - stderr: truncateText(stdout), - scorerCommand: redactScorerCommand(scorerCommand), - fallbackMode: "metadata_only", - }); - } - if (execError?.code === "ETIMEDOUT" || (execError?.killed && execError?.signal === "SIGTERM")) { - return scorerFailure("timeout", `External scorer timed out after ${scorePreviewTimeoutMs()}ms.`, { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); - } - if (typeof exitCode === "number" && exitCode !== 0) { - return scorerFailure("non_zero_exit", `External scorer exited with status ${exitCode}.`, { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); - } - const message = error instanceof Error ? error.message : "external_scorer_failed"; - if (/JSON/i.test(message)) { - return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); - } - if (stderr && !looksLikeScorerJson(stderr)) { - return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { - durationMs, - stderr: truncateText(stderr), - scorerCommand: redactScorerCommand(scorerCommand), - fallbackMode: "metadata_only", + return stripUndefined({ + ok: false, + code, + reason, + fallbackMode: "metadata_only", + ...extra, }); - } - return scorerFailure("scorer_failed", redactLocalPath(message), { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); } - +function classifyScorerExecFailure(error, durationMs, scorerCommand) { + const execError = error && typeof error === "object" ? error : undefined; + const stdout = String(execError?.stdout ?? execError?.output?.[1] ?? "").trim(); + const stderr = truncateText(execError?.stderr ?? execError?.output?.[2] ?? ""); + const exitCode = typeof execError?.status === "number" ? execError.status : undefined; + if (stdout && !looksLikeScorerJson(stdout)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(stdout), + scorerCommand: redactScorerCommand(scorerCommand), + fallbackMode: "metadata_only", + }); + } + if (execError?.code === "ETIMEDOUT" || (execError?.killed && execError?.signal === "SIGTERM")) { + return scorerFailure("timeout", `External scorer timed out after ${scorePreviewTimeoutMs()}ms.`, { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); + } + if (typeof exitCode === "number" && exitCode !== 0) { + return scorerFailure("non_zero_exit", `External scorer exited with status ${exitCode}.`, { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); + } + const message = error instanceof Error ? error.message : "external_scorer_failed"; + if (/JSON/i.test(message)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); + } + if (stderr && !looksLikeScorerJson(stderr)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(stderr), + scorerCommand: redactScorerCommand(scorerCommand), + fallbackMode: "metadata_only", + }); + } + return scorerFailure("scorer_failed", redactLocalPath(message), { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); +} function looksLikeScorerJson(output) { - try { - const payload = JSON.parse(output); - if (!payload || typeof payload !== "object" || Array.isArray(payload)) return false; - const normalized = normalizeScorerOutput(payload); - return normalized.sourceTokenScore !== undefined || normalized.totalTokenScore !== undefined; - } catch { - return false; - } -} - + try { + const payload = JSON.parse(output); + if (!payload || typeof payload !== "object" || Array.isArray(payload)) + return false; + const normalized = normalizeScorerOutput(payload); + return normalized.sourceTokenScore !== undefined || normalized.totalTokenScore !== undefined; + } + catch { + return false; + } +} function inferScorerCode(reason) { - const text = String(reason ?? ""); - if (text.includes("missing_scorer_command")) return "missing_scorer_command"; - if (text.includes("empty_scorer_command")) return "empty_scorer_command"; - if (/timed out|ETIMEDOUT/i.test(text)) return "timeout"; - if (/JSON/i.test(text)) return "malformed_json"; - if (/status \d+/i.test(text)) return "non_zero_exit"; - return "scorer_failed"; -} - + const text = String(reason ?? ""); + if (text.includes("missing_scorer_command")) + return "missing_scorer_command"; + if (text.includes("empty_scorer_command")) + return "empty_scorer_command"; + if (/timed out|ETIMEDOUT/i.test(text)) + return "timeout"; + if (/JSON/i.test(text)) + return "malformed_json"; + if (/status \d+/i.test(text)) + return "non_zero_exit"; + return "scorer_failed"; +} function scorePreviewTimeoutMs() { - const parsed = Number(process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS ?? 15000); - return Number.isFinite(parsed) && parsed > 0 ? parsed : 15000; + const parsed = Number(process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS ?? 15000); + return Number.isFinite(parsed) && parsed > 0 ? parsed : 15000; } - function truncateText(value, maxLength = 240) { - const text = String(value ?? "").trim(); - if (!text) return undefined; - return text.length <= maxLength ? text : `${text.slice(0, maxLength - 3)}...`; + /* v8 ignore next -- every truncateText caller passes a ?? ""-guarded string, so value is never nullish */ + const text = String(value ?? "").trim(); + if (!text) + return undefined; + return text.length <= maxLength ? text : `${text.slice(0, maxLength - 3)}...`; } - function splitCommand(command) { - return String(command).match(/(?:[^\s"]+|"[^"]*")+/g)?.map((part) => part.replace(/^"|"$/g, "")) ?? []; + return String(command).match(/(?:[^\s"]+|"[^"]*")+/g)?.map((part) => part.replace(/^"|"$/g, "")) ?? []; } - function assertSourceUploadDisabled() { - if (/^(1|true|yes)$/i.test(process.env.LOOPOVER_UPLOAD_SOURCE ?? "false")) { - throw new Error("LOOPOVER_UPLOAD_SOURCE=true is not supported in v1; local MCP sends metadata only."); - } + if (/^(1|true|yes)$/i.test(process.env.LOOPOVER_UPLOAD_SOURCE ?? "false")) { + throw new Error("LOOPOVER_UPLOAD_SOURCE=true is not supported in v1; local MCP sends metadata only."); + } } - // Word-boundary the closing keywords (as the server-side extractors in src/db/repositories.ts and // src/signals/engine.ts already do) so a keyword embedded in a longer word does not spuriously link an // issue: without \b, `hotfix 5` / `prefixes 12` matched the `fix`/`fixes` substring and captured the // trailing number. The bare `#` branch stays boundary-free so `#123` still matches anywhere. export function extractLinkedIssues(text) { - const issues = []; - for (const match of String(text).matchAll(/(?:\b(?:close[sd]?|fix(?:e[sd])?|resolve[sd]?)|#)\s*#?(\d+)/gi)) issues.push(Number(match[1])); - return issues.filter((issue) => Number.isInteger(issue) && issue > 0); + const issues = []; + for (const match of String(text).matchAll(/(?:\b(?:close[sd]?|fix(?:e[sd])?|resolve[sd]?)|#)\s*#?(\d+)/gi)) + issues.push(Number(match[1])); + return issues.filter((issue) => Number.isInteger(issue) && issue > 0); } - function statusFromCode(code) { - if (code.startsWith("A")) return "added"; - if (code.startsWith("M")) return "modified"; - if (code.startsWith("D")) return "deleted"; - if (code.startsWith("R")) return "renamed"; - if (code.startsWith("C")) return "copied"; - return "unknown"; -} - + if (code.startsWith("A")) + return "added"; + if (code.startsWith("M")) + return "modified"; + if (code.startsWith("D")) + return "deleted"; + if (code.startsWith("R")) + return "renamed"; + /* v8 ignore next -- collectChangedFiles runs git diff with -M only (no -C), so copy (C) codes never occur */ + if (code.startsWith("C")) + return "copied"; + return "unknown"; +} function titleFromBranch(branchName) { - return String(branchName ?? "") - .replace(/^[-/_.\w]+\/(?=[^/]+$)/, "") - .replace(/[-_]+/g, " ") - .trim(); + /* v8 ignore next -- titleFromBranch is only ever called with the resolved branchName string */ + return String(branchName ?? "") + .replace(/^[-/_.\w]+\/(?=[^/]+$)/, "") + .replace(/[-_]+/g, " ") + .trim(); } - function firstCommitTitle(messages) { - return messages.find((message) => message.trim().length > 0)?.split("\n")[0]?.trim(); + /* v8 ignore next -- unreachable: titleFromBranch never returns nullish, so line 125's chain never reaches firstCommitTitle */ + return messages.find((message) => message.trim().length > 0)?.split("\n")[0]?.trim(); } - function numberValue(value) { - const number = Number(value); - return Number.isFinite(number) ? number : undefined; + const number = Number(value); + return Number.isFinite(number) ? number : undefined; } - function stringValue(value) { - return typeof value === "string" && value.trim() ? value : undefined; + return typeof value === "string" && value.trim() ? value : undefined; } - function stripUndefined(value) { - if (Array.isArray(value)) return value.map(stripUndefined); - if (!value || typeof value !== "object") return value; - return Object.fromEntries(Object.entries(value).filter(([, entry]) => entry !== undefined).map(([key, entry]) => [key, stripUndefined(entry)])); + if (Array.isArray(value)) + return value.map(stripUndefined); + if (!value || typeof value !== "object") + return value; + return Object.fromEntries(Object.entries(value).filter(([, entry]) => entry !== undefined).map(([key, entry]) => [key, stripUndefined(entry)])); } +//# 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\ No newline at end of file diff --git a/packages/loopover-mcp/lib/local-branch.ts b/packages/loopover-mcp/lib/local-branch.ts new file mode 100644 index 0000000000..959f6321b0 --- /dev/null +++ b/packages/loopover-mcp/lib/local-branch.ts @@ -0,0 +1,667 @@ +import { execFileSync } from "node:child_process"; +import { realpathSync } from "node:fs"; +import { isAbsolute, relative, resolve } from "node:path"; +import { fileURLToPath } from "node:url"; +import { isCodeFile, isTestPath as isTestFile } from "@loopover/engine/signals/test-evidence"; +import { redactLocalPath } from "./redact-local-path.js"; + +export { isCodeFile, isTestFile }; +export { redactLocalPath }; + +export type ChangedFile = { + path: string; + previousPath?: string | undefined; + additions: number; + deletions: number; + status: string; + binary: boolean; +}; + +export type McpWorkspaceRoot = { path: string }; + +export type LocalBranchInput = { + cwd?: string | null | undefined; + baseRef?: string | undefined; + login?: string | undefined; + workspaceRoots?: unknown; + repoFullName?: string | undefined; + branchName?: string | undefined; + headRef?: string | undefined; + pendingCommitCount?: number | undefined; + ciStatusHints?: string[] | undefined; + commitMessages?: string[] | undefined; + title?: string | undefined; + body?: string | undefined; + linkedIssues?: number[] | undefined; + validation?: unknown; + labels?: unknown; + pendingMergedPrCount?: number | undefined; + pendingClosedPrCount?: number | undefined; + approvedPrCount?: number | undefined; + expectedOpenPrCountAfterMerge?: number | undefined; + projectedCredibility?: number | undefined; + scenarioNotes?: unknown; + branchEligibility?: unknown; + scorePreviewCommand?: string | undefined; +}; + +export type LocalScorerStatus = { + ok?: boolean | undefined; + code?: string | undefined; + reason?: string | undefined; + stderr?: unknown; + scorerCommand?: unknown; + exitCode?: number | undefined; + durationMs?: number | undefined; + payload?: unknown; + fallbackMode?: string | undefined; +}; + +type ExecErrorLike = { + stdout?: unknown; + stderr?: unknown; + output?: unknown[]; + status?: unknown; + code?: unknown; + killed?: unknown; + signal?: unknown; +}; + +type NameStatusEntry = { code: string; path: string; previousPath: string | undefined }; +type NumstatEntry = { path: string; additions: number; deletions: number; binary: boolean }; +type WorkspaceCwdInput = { cwd?: string | null | undefined; workspaceRoots?: unknown }; +type ScorePreviewInput = { scorePreviewCommand?: string | undefined }; + +function stripTrailingSlashes(value: string): string { + let end = value.length; + while (end > 0 && value.charCodeAt(end - 1) === 47) end -= 1; + return end === value.length ? value : value.slice(0, end); +} + +export function parseGitRemote(remoteUrl: string): string | undefined { + const trimmed = stripTrailingSlashes(String(remoteUrl ?? "").trim()); + const patterns = [ + /^git@github\.com:([^/]+)\/(.+?)(?:\.git)?$/, + /^https:\/\/github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, + /^ssh:\/\/git@github\.com\/([^/]+)\/(.+?)(?:\.git)?$/, + ]; + for (const pattern of patterns) { + const match = trimmed.match(pattern); + if (match?.[1] && match[2]) return `${match[1]}/${match[2].replace(/\.git$/, "")}`; + } + return undefined; +} + +export function collectLocalDiff(cwd: string, baseRef: string, workspaceRoots?: unknown) { + const metadata = collectLocalBranchMetadata({ cwd, baseRef, login: "local", workspaceRoots }); + return { + /* v8 ignore next -- metadata.title is always a defined string (titleFromBranch never returns nullish) */ + title: metadata.title ?? "Local diff preflight", + commitMessage: metadata.commitMessages.join("\n\n").trim(), + changedFiles: metadata.changedFiles.map((file) => file.path), + /* v8 ignore next -- collectChangedFiles always emits numeric additions/deletions, so the ?? 0 defaults never apply */ + changedLineCount: metadata.changedFiles.reduce((sum, file) => sum + (file.additions ?? 0) + (file.deletions ?? 0), 0), + testFiles: metadata.changedFiles.map((file) => file.path).filter(isTestFile), + codeFiles: metadata.changedFiles.map((file) => file.path).filter(isCodeFile), + }; +} + +export function collectLocalBranchMetadata(input: LocalBranchInput) { + assertSourceUploadDisabled(); + const workspace = resolveWorkspaceCwd(input); + const cwd = workspace.cwd; + const baseRef = input.baseRef ?? defaultBaseRef(cwd); + const remoteUrl = gitLines(cwd, ["config", "--get", "remote.origin.url"])[0] ?? ""; + const repoFullName = input.repoFullName ?? parseGitRemote(remoteUrl); + if (!repoFullName) throw new Error("Could not infer repoFullName from git remote; pass --repo owner/repo."); + const branchName = input.branchName ?? gitLines(cwd, ["branch", "--show-current"])[0] ?? "local-branch"; + const headRef = input.headRef ?? gitLines(cwd, ["rev-parse", "--abbrev-ref", "HEAD"])[0] ?? branchName; + const baseSha = gitLines(cwd, ["rev-parse", "--verify", baseRef])[0]; + const headSha = gitLines(cwd, ["rev-parse", "--verify", "HEAD"])[0]; + const mergeBaseSha = gitLines(cwd, ["merge-base", baseRef, "HEAD"])[0]; + const remoteTrackingSha = collectRemoteTrackingSha(cwd, baseRef); + const changedFiles = collectChangedFiles(cwd, baseRef); + const pendingCommitCount = input.pendingCommitCount ?? collectPendingCommitCount(cwd, baseRef); + const ciStatusHints = input.ciStatusHints ?? collectCiStatusHints(cwd, baseRef, changedFiles); + const commitMessages = input.commitMessages ?? collectCommitMessages(cwd, baseRef); + /* v8 ignore next -- titleFromBranch never returns nullish, so the firstCommitTitle fallback is unreachable */ + const title = input.title ?? titleFromBranch(branchName) ?? firstCommitTitle(commitMessages); + const linkedIssues = [...new Set([...(input.linkedIssues ?? []), ...extractLinkedIssues([branchName, title, input.body, ...commitMessages].filter(Boolean).join("\n"))])].sort( + (left, right) => left - right, + ); + const payload = { + login: input.login, + repoFullName, + baseRef, + headRef, + branchName, + baseSha, + headSha, + mergeBaseSha, + remoteTrackingSha, + commitMessages, + changedFiles, + validation: input.validation, + linkedIssues, + labels: input.labels, + title, + body: input.body, + pendingMergedPrCount: input.pendingMergedPrCount, + pendingClosedPrCount: input.pendingClosedPrCount, + approvedPrCount: input.approvedPrCount, + expectedOpenPrCountAfterMerge: input.expectedOpenPrCountAfterMerge, + projectedCredibility: input.projectedCredibility, + scenarioNotes: input.scenarioNotes, + pendingCommitCount, + ciStatusHints, + branchEligibility: input.branchEligibility, + }; + return stripUndefined(payload); +} + +export function collectPendingCommitCount(cwd: string, baseRef: string): number { + const count = gitLines(cwd, ["rev-list", "--count", `${baseRef}..HEAD`])[0]; + const parsed = Number(count); + return Number.isFinite(parsed) && parsed >= 0 ? Math.trunc(parsed) : 0; +} + +export function collectCiStatusHints(cwd: string, baseRef: string, changedFiles: ChangedFile[] = []): string[] { + const hints: string[] = []; + const paths = changedFiles.map((file) => file.path).filter(Boolean); + if (paths.some((path) => /^\.github\/workflows\//i.test(path))) { + hints.push("Workflow files changed; CI required-check behavior may change after merge."); + } + if (paths.some((path) => /(^|\/)(Makefile|Dockerfile|package\.json|pyproject\.toml|go\.mod|Cargo\.toml)$/i.test(path))) { + hints.push("Build or dependency manifests changed; rerun the repo's standard validation commands."); + } + const pendingCommits = collectPendingCommitCount(cwd, baseRef); + if (pendingCommits > 0) { + hints.push(`${pendingCommits} local commit(s) ahead of ${baseRef}; push or rebase before reviewers rely on the latest diff.`); + } + return hints; +} + +export function buildBranchAnalysisPayload(input: LocalBranchInput) { + const workspace = resolveWorkspaceCwd(input); + const metadata = collectLocalBranchMetadata({ ...input, cwd: workspace.cwd }); + const scorerMetadata = { ...metadata, repoRoot: workspace.cwd }; + const scorerCommand = resolveScorePreviewCommand(input); + const externalPreview = runExternalScorePreview(scorerMetadata, scorerCommand); + const localScorer = externalPreview.ok ? normalizeScorerOutput(externalPreview.payload) : metadataOnlyScorer(externalPreview); + return { + ...metadata, + localScorer, + localScorerStatus: sanitizeLocalScorerStatus(externalPreview), + }; +} + +export function resolveWorkspaceCwd(input: WorkspaceCwdInput = {}) { + const workspaceRoots = normalizeMcpWorkspaceRoots(input.workspaceRoots); + if (workspaceRoots.length === 0) { + return { + cwd: safeResolvedPath(input.cwd ?? process.cwd()), + rootsAvailable: false, + rootCount: 0, + }; + } + + const selectedRoot = workspaceRoots[0]!; + const requestedCwd = + input.cwd === undefined || input.cwd === null || input.cwd === "" + ? selectedRoot.path + : isAbsolute(String(input.cwd)) + ? String(input.cwd) + : resolve(selectedRoot.path, String(input.cwd)); + const cwd = safeResolvedPath(requestedCwd); + const containingRoot = workspaceRoots.find((root) => pathIsInside(cwd, root.path)); + if (!containingRoot) { + throw new Error("Selected workspace is outside the MCP roots exposed by the client."); + } + + return { + cwd, + rootsAvailable: true, + rootCount: workspaceRoots.length, + }; +} + +export function normalizeMcpWorkspaceRoots(roots: unknown): McpWorkspaceRoot[] { + if (!Array.isArray(roots)) return []; + const normalized: McpWorkspaceRoot[] = []; + const seen = new Set(); + for (const root of roots) { + const uri = typeof root?.uri === "string" ? root.uri : ""; + if (!uri.startsWith("file:")) continue; + try { + const path = safeResolvedPath(fileURLToPath(uri)); + if (seen.has(path)) continue; + seen.add(path); + normalized.push({ path }); + } catch { + // Ignore non-local or malformed root URIs. Clients without usable roots fall back to cwd. + } + } + return normalized; +} + +function safeResolvedPath(path: string): string { + const resolved = resolve(String(path)); + try { + return realpathSync(resolved); + } catch { + return resolved; + } +} + +function pathIsInside(candidate: string, root: string): boolean { + const child = safeResolvedPath(candidate); + const parent = safeResolvedPath(root); + const childRelativeToParent = relative(parent, child); + return childRelativeToParent === "" || (!!childRelativeToParent && !childRelativeToParent.startsWith("..") && !isAbsolute(childRelativeToParent)); +} + +export function resolveScorePreviewCommand(input: ScorePreviewInput = {}): string | undefined { + const explicit = input.scorePreviewCommand ?? process.env.GITTENSOR_SCORE_PREVIEW_CMD; + if (typeof explicit === "string" && explicit.trim()) return explicit.trim(); + return undefined; +} + +export function referenceScorePreviewExample(kind: string = "metadata"): string { + const script = kind === "gittensor" ? "gittensor-score-preview.py" : "gittensor-score-preview.mjs"; + const interpreter = kind === "gittensor" ? "python3" : "node"; + return `${interpreter} ./node_modules/@loopover/mcp/scripts/${script}`; +} + +export function redactScorerCommand(command: unknown): string { + const text = String(command ?? "").trim(); + if (!text) return text; + const parts = splitCommand(text); + /* v8 ignore next -- pop() on a non-empty split() result is always a string, so the "command" fallback is unreachable */ + const interpreter = parts[0]?.split(/[\\/]/).pop() ?? "command"; + const script = parts.at(-1)?.split(/[\\/]/).pop(); + if (script && /\.(mjs|js|cjs|py)$/i.test(script)) return `${interpreter} /${script}`; + return ""; +} + +export function sanitizeLocalScorerStatus(status: LocalScorerStatus): LocalScorerStatus { + if (!status || typeof status !== "object") return status; + return stripUndefined({ + ...status, + reason: status.reason ? redactLocalPath(String(status.reason)) : undefined, + stderr: status.stderr ? redactLocalPath(String(status.stderr)) : undefined, + scorerCommand: status.scorerCommand ? redactScorerCommand(status.scorerCommand) : undefined, + }); +} + +export function runExternalScorePreview(metadata: Record, scorerCommand: string | undefined): LocalScorerStatus { + const timeoutMs = scorePreviewTimeoutMs(); + if (!scorerCommand) { + return scorerFailure("missing_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is not configured."); + } + const parts = splitCommand(scorerCommand); + const command = parts[0]; + const args = parts.slice(1); + if (!command) { + return scorerFailure("empty_scorer_command", "GITTENSOR_SCORE_PREVIEW_CMD is empty."); + } + + const startedAt = Date.now(); + try { + const output = execFileSync(command, args, { + input: JSON.stringify({ + ...metadata, + repoRoot: metadata.repoRoot ?? metadata.cwd, + gittensorRoot: process.env.GITTENSOR_ROOT, + }), + encoding: "utf8", + timeout: timeoutMs, + stdio: ["pipe", "pipe", "pipe"], + }); + const durationMs = Date.now() - startedAt; + let payload: unknown; + try { + payload = JSON.parse(output); + } catch { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(output), + fallbackMode: "metadata_only", + }); + } + if (!payload || typeof payload !== "object" || Array.isArray(payload)) { + return scorerFailure("malformed_json", "External scorer stdout must be a JSON object.", { + durationMs, + fallbackMode: "metadata_only", + }); + } + const normalized = normalizeScorerOutput(payload); + if (normalized.sourceTokenScore === undefined && normalized.totalTokenScore === undefined) { + return scorerFailure("malformed_json", "External scorer JSON must include sourceTokenScore or totalTokenScore.", { + durationMs, + fallbackMode: "metadata_only", + }); + } + return stripUndefined({ + ok: true, + code: "success", + reason: "external_scorer_succeeded", + durationMs, + payload, + fallbackMode: "external_command", + }); + } catch (error) { + return classifyScorerExecFailure(error, Date.now() - startedAt, scorerCommand); + } +} + +export function setupGuidanceForLocalScorer(status: LocalScorerStatus): string[] { + if (status.ok) return []; + const safeStatus = sanitizeLocalScorerStatus(status); + const code = safeStatus.code ?? inferScorerCode(safeStatus.reason); + const guidance = [ + "LoopOver used metadata-only analysis because no external scorer succeeded.", + ]; + switch (code) { + case "missing_scorer_command": + guidance.push(`Set GITTENSOR_SCORE_PREVIEW_CMD, for example: export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("metadata")}"`); + guidance.push(`For tree-sitter scoring with a local gittensor checkout: export GITTENSOR_ROOT= && export GITTENSOR_SCORE_PREVIEW_CMD="${referenceScorePreviewExample("gittensor")}"`); + break; + case "empty_scorer_command": + guidance.push("GITTENSOR_SCORE_PREVIEW_CMD is set but empty; provide a command that reads branch metadata JSON from stdin."); + break; + case "timeout": + guidance.push(`External scorer exceeded ${scorePreviewTimeoutMs()}ms; simplify the scorer or raise GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS.`); + break; + case "malformed_json": + guidance.push("External scorer must print one JSON object with sourceTokenScore/totalTokenScore fields to stdout."); + if (safeStatus.stderr) guidance.push(`Last scorer stdout snippet: ${truncateText(safeStatus.stderr, 160)}`); + break; + case "non_zero_exit": + guidance.push("External scorer exited with a non-zero status; inspect stderr and run loopover-mcp doctor."); + if (safeStatus.stderr) guidance.push(`Scorer stderr: ${truncateText(safeStatus.stderr, 160)}`); + if (typeof safeStatus.exitCode === "number") guidance.push(`Exit code: ${safeStatus.exitCode}`); + break; + default: + guidance.push("Set GITTENSOR_SCORE_PREVIEW_CMD to a command that reads branch metadata JSON from stdin and emits scoring metrics JSON."); + if (safeStatus.reason) guidance.push(`Last scorer error: ${safeStatus.reason}`); + break; + } + guidance.push("Local scorer output stays on your machine; LoopOver never uploads source contents."); + return guidance; +} + +export function probeLocalScorer(scorerCommand: string | undefined = resolveScorePreviewCommand()): LocalScorerStatus { + return sanitizeLocalScorerStatus( + runExternalScorePreview( + { + repoFullName: "JSONbored/loopover", + branchName: "doctor-probe", + changedFiles: [{ path: "src/example.ts", additions: 12, deletions: 2, status: "modified" }], + repoRoot: process.cwd(), + }, + scorerCommand, + ), + ); +} + +function gitOutput(cwd: string, args: string[]): string { + try { + return execFileSync("git", args, { cwd, encoding: "utf8", stdio: ["ignore", "pipe", "ignore"], timeout: 5000 }); + } catch { + return ""; + } +} + +export function gitLines(cwd: string, args: string[]): string[] { + return gitOutput(cwd, args) + .split("\n") + .map((line) => line.trim()) + .filter(Boolean); +} + +function collectChangedFiles(cwd: string, baseRef: string) { + // Read both halves with `-z`: the human format quotes non-ASCII/control-char paths, so a quoted + // name-status key would never match the verbatim numstat key and the file's stats would be lost. + const numstat = new Map(parseNumstat(cwd, baseRef).map((entry) => [entry.path, entry] as [string, NumstatEntry])); + return parseNameStatus(cwd, baseRef).map((entry) => { + /* v8 ignore next -- with -z every --name-status path has a matching --numstat entry, so the default object is unused */ + const stats = numstat.get(entry.path) ?? { additions: 0, deletions: 0, binary: false }; + return stripUndefined({ + path: entry.path, + previousPath: entry.previousPath, + additions: stats.additions, + deletions: stats.deletions, + status: statusFromCode(entry.code), + binary: stats.binary, + }); + }); +} + +function parseNameStatus(cwd: string, baseRef: string): NameStatusEntry[] { + // `-z`: the status code is its own field and paths are verbatim; a rename is followed by the old + // then the new path, any other status by a single path. + const records = gitOutput(cwd, ["diff", "--name-status", "-M", "-z", baseRef, "--"]).split("\0"); + const entries: NameStatusEntry[] = []; + for (let index = 0; index < records.length; index += 1) { + const code = records[index]; + if (!code) continue; + const isRename = code.startsWith("R"); + const previousPath = isRename ? records[index + 1] : undefined; + const path = records[index + (isRename ? 2 : 1)]!; + index += isRename ? 2 : 1; + entries.push({ code, path, previousPath }); + } + return entries; +} + +function parseNumstat(cwd: string, baseRef: string): NumstatEntry[] { + // `-z`: paths are verbatim and a rename emits old/new as separate fields, not the lossy + // "{a => b}" / "a => b" human form that left cross-directory renames keyed by an unmatchable string. + const records = gitOutput(cwd, ["diff", "--numstat", "-M", "-z", baseRef, "--"]).split("\0"); + const entries: NumstatEntry[] = []; + for (let index = 0; index < records.length; index += 1) { + const stat = records[index]; + if (!stat) continue; + const [added, deleted, inlinePath] = splitNumstatStat(stat); + // An empty inline path marks a rename: the new path is the second of the two following fields. + let path = inlinePath; + if (inlinePath === "") { + path = records[index + 2]!; + index += 2; + } + const binary = added === "-"; + entries.push({ path, additions: binary ? 0 : Number(added), deletions: binary ? 0 : Number(deleted), binary }); + } + return entries; +} + +function splitNumstatStat(stat: string): [string, string, string] { + // "\t\t" -- keep the path slice intact even if it contains tabs. + const firstTab = stat.indexOf("\t"); + const secondTab = stat.indexOf("\t", firstTab + 1); + return [stat.slice(0, firstTab), stat.slice(firstTab + 1, secondTab), stat.slice(secondTab + 1)]; +} + +function collectCommitMessages(cwd: string, baseRef: string): string[] { + const rangeMessages = gitLines(cwd, ["log", "--pretty=%B%x1e", `${baseRef}..HEAD`]).join("\n"); + const messages = rangeMessages + .split("\u001e") + .map((message) => message.trim()) + .filter(Boolean); + if (messages.length > 0) return messages.slice(0, 30); + const last = gitLines(cwd, ["log", "-1", "--pretty=%B"]).join("\n").trim(); + return last ? [last] : []; +} + +function defaultBaseRef(cwd: string): string { + const originHead = gitLines(cwd, ["symbolic-ref", "--quiet", "--short", "refs/remotes/origin/HEAD"])[0]; + if (originHead) return originHead; + if (gitLines(cwd, ["rev-parse", "--verify", "origin/main"]).length > 0) return "origin/main"; + if (gitLines(cwd, ["rev-parse", "--verify", "origin/master"]).length > 0) return "origin/master"; + return "HEAD"; +} + +function collectRemoteTrackingSha(cwd: string, baseRef: string): string | undefined { + /* v8 ignore next -- baseRef is always the resolved non-null string from collectLocalBranchMetadata */ + const match = String(baseRef ?? "").replace(/^refs\/remotes\//, "").match(/^origin\/(.+)$/); + const branch = match?.[1]; + if (!branch) return undefined; + const remoteRow = gitLines(cwd, ["ls-remote", "--heads", "origin", branch])[0]; + return remoteRow?.split(/\s+/)[0]; +} + +function normalizeScorerOutput(payload: any) { + return stripUndefined({ + mode: "external_command", + activeModel: stringValue(payload.activeModel ?? payload.active_model), + sourceTokenScore: numberValue(payload.sourceTokenScore ?? payload.source_token_score ?? payload.source?.tokenScore), + totalTokenScore: numberValue(payload.totalTokenScore ?? payload.total_token_score ?? payload.total?.tokenScore), + sourceLines: numberValue(payload.sourceLines ?? payload.source_lines ?? payload.source?.lines), + testTokenScore: numberValue(payload.testTokenScore ?? payload.test_token_score ?? payload.tests?.tokenScore), + nonCodeTokenScore: numberValue(payload.nonCodeTokenScore ?? payload.non_code_token_score ?? payload.nonCode?.tokenScore), + warnings: Array.isArray(payload.warnings) ? payload.warnings.map(String) : undefined, + }); +} + +function metadataOnlyScorer(status: LocalScorerStatus) { + return { + mode: "metadata_only", + /* v8 ignore next -- every failure status carries a reason, so the code / literal fallbacks are unreachable */ + warnings: [status.reason ?? status.code ?? "external_scorer_unavailable"], + }; +} + +function scorerFailure(code: string, reason: string, extra: LocalScorerStatus = {}): LocalScorerStatus { + return stripUndefined({ + ok: false, + code, + reason, + fallbackMode: "metadata_only", + ...extra, + }); +} + +function classifyScorerExecFailure(error: unknown, durationMs: number, scorerCommand: string): LocalScorerStatus { + const execError = error && typeof error === "object" ? error as ExecErrorLike : undefined; + const stdout = String(execError?.stdout ?? execError?.output?.[1] ?? "").trim(); + const stderr = truncateText(execError?.stderr ?? execError?.output?.[2] ?? ""); + const exitCode = typeof execError?.status === "number" ? execError.status : undefined; + if (stdout && !looksLikeScorerJson(stdout)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(stdout), + scorerCommand: redactScorerCommand(scorerCommand), + fallbackMode: "metadata_only", + }); + } + if (execError?.code === "ETIMEDOUT" || (execError?.killed && execError?.signal === "SIGTERM")) { + return scorerFailure("timeout", `External scorer timed out after ${scorePreviewTimeoutMs()}ms.`, { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); + } + if (typeof exitCode === "number" && exitCode !== 0) { + return scorerFailure("non_zero_exit", `External scorer exited with status ${exitCode}.`, { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); + } + const message = error instanceof Error ? error.message : "external_scorer_failed"; + if (/JSON/i.test(message)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { durationMs, stderr, scorerCommand: redactScorerCommand(scorerCommand) }); + } + if (stderr && !looksLikeScorerJson(stderr)) { + return scorerFailure("malformed_json", "External scorer stdout was not valid JSON.", { + durationMs, + stderr: truncateText(stderr), + scorerCommand: redactScorerCommand(scorerCommand), + fallbackMode: "metadata_only", + }); + } + return scorerFailure("scorer_failed", redactLocalPath(message), { durationMs, stderr, exitCode, scorerCommand: redactScorerCommand(scorerCommand) }); +} + +function looksLikeScorerJson(output: string): boolean { + try { + const payload = JSON.parse(output); + if (!payload || typeof payload !== "object" || Array.isArray(payload)) return false; + const normalized = normalizeScorerOutput(payload); + return normalized.sourceTokenScore !== undefined || normalized.totalTokenScore !== undefined; + } catch { + return false; + } +} + +function inferScorerCode(reason: unknown): string { + const text = String(reason ?? ""); + if (text.includes("missing_scorer_command")) return "missing_scorer_command"; + if (text.includes("empty_scorer_command")) return "empty_scorer_command"; + if (/timed out|ETIMEDOUT/i.test(text)) return "timeout"; + if (/JSON/i.test(text)) return "malformed_json"; + if (/status \d+/i.test(text)) return "non_zero_exit"; + return "scorer_failed"; +} + +function scorePreviewTimeoutMs(): number { + const parsed = Number(process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS ?? 15000); + return Number.isFinite(parsed) && parsed > 0 ? parsed : 15000; +} + +function truncateText(value: unknown, maxLength = 240): string | undefined { + /* v8 ignore next -- every truncateText caller passes a ?? ""-guarded string, so value is never nullish */ + const text = String(value ?? "").trim(); + if (!text) return undefined; + return text.length <= maxLength ? text : `${text.slice(0, maxLength - 3)}...`; +} + +function splitCommand(command: string): string[] { + return String(command).match(/(?:[^\s"]+|"[^"]*")+/g)?.map((part) => part.replace(/^"|"$/g, "")) ?? []; +} + +function assertSourceUploadDisabled(): void { + if (/^(1|true|yes)$/i.test(process.env.LOOPOVER_UPLOAD_SOURCE ?? "false")) { + throw new Error("LOOPOVER_UPLOAD_SOURCE=true is not supported in v1; local MCP sends metadata only."); + } +} + +// Word-boundary the closing keywords (as the server-side extractors in src/db/repositories.ts and +// src/signals/engine.ts already do) so a keyword embedded in a longer word does not spuriously link an +// issue: without \b, `hotfix 5` / `prefixes 12` matched the `fix`/`fixes` substring and captured the +// trailing number. The bare `#` branch stays boundary-free so `#123` still matches anywhere. +export function extractLinkedIssues(text: string): number[] { + const issues: number[] = []; + for (const match of String(text).matchAll(/(?:\b(?:close[sd]?|fix(?:e[sd])?|resolve[sd]?)|#)\s*#?(\d+)/gi)) issues.push(Number(match[1])); + return issues.filter((issue) => Number.isInteger(issue) && issue > 0); +} + +function statusFromCode(code: string): string { + if (code.startsWith("A")) return "added"; + if (code.startsWith("M")) return "modified"; + if (code.startsWith("D")) return "deleted"; + if (code.startsWith("R")) return "renamed"; + /* v8 ignore next -- collectChangedFiles runs git diff with -M only (no -C), so copy (C) codes never occur */ + if (code.startsWith("C")) return "copied"; + return "unknown"; +} + +function titleFromBranch(branchName: string): string { + /* v8 ignore next -- titleFromBranch is only ever called with the resolved branchName string */ + return String(branchName ?? "") + .replace(/^[-/_.\w]+\/(?=[^/]+$)/, "") + .replace(/[-_]+/g, " ") + .trim(); +} + +function firstCommitTitle(messages: string[]): string | undefined { + /* v8 ignore next -- unreachable: titleFromBranch never returns nullish, so line 125's chain never reaches firstCommitTitle */ + return messages.find((message) => message.trim().length > 0)?.split("\n")[0]?.trim(); +} + +function numberValue(value: unknown): number | undefined { + const number = Number(value); + return Number.isFinite(number) ? number : undefined; +} + +function stringValue(value: unknown): string | undefined { + return typeof value === "string" && value.trim() ? value : undefined; +} + +function stripUndefined(value: T): T { + if (Array.isArray(value)) return value.map(stripUndefined) as T; + if (!value || typeof value !== "object") return value; + return Object.fromEntries(Object.entries(value).filter(([, entry]) => entry !== undefined).map(([key, entry]) => [key, stripUndefined(entry)])) as T; +} diff --git a/test/unit/local-branch.test.ts b/test/unit/local-branch.test.ts index e242c68a91..ee39c93866 100644 --- a/test/unit/local-branch.test.ts +++ b/test/unit/local-branch.test.ts @@ -1,7 +1,7 @@ import { execFileSync } from "node:child_process"; -import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from "node:fs"; +import { mkdtempSync, mkdirSync, realpathSync, rmSync, symlinkSync, writeFileSync } from "node:fs"; import { tmpdir } from "node:os"; -import { join } from "node:path"; +import { join, resolve } from "node:path"; import { pathToFileURL } from "node:url"; import { afterEach, describe, expect, it } from "vitest"; import { SCENARIO_MAX_BRANCH_REF_CHARS, SCENARIO_MAX_LINKED_ISSUE_NUMBERS } from "../../src/scenarios/input-model"; @@ -1728,7 +1728,6 @@ describe("local MCP git metadata collection", () => { }); it("counts pending commits, emits CI hints, and tracks deleted or renamed paths", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { collectCiStatusHints, collectLocalBranchMetadata, collectPendingCommitCount } = await import("../../packages/loopover-mcp/lib/local-branch.js"); tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); git(tempDir, "init"); @@ -1764,7 +1763,6 @@ describe("local MCP git metadata collection", () => { }); it("counts additions and deletions for cross-directory renames that share no prefix or suffix", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); git(tempDir, "init"); @@ -1804,13 +1802,11 @@ describe("local MCP git metadata collection", () => { }); it("returns no lines when the git command fails", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { gitLines } = await import("../../packages/loopover-mcp/lib/local-branch.js"); expect(gitLines(join(tmpdir(), "loopover-no-such-repo-d8f3"), ["rev-parse", "HEAD"])).toEqual([]); }); it("counts stats and keeps verbatim paths for non-ASCII filenames at the default core.quotePath", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); git(tempDir, "init"); @@ -1846,7 +1842,6 @@ describe("local MCP git metadata collection", () => { }); it("classifies Cypress/e2e and snapshot paths as test files, mirroring the server isTestPath", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { isTestFile, isCodeFile } = await import("../../packages/loopover-mcp/lib/local-branch.js"); // Existing forms still classify as tests. for (const file of ["test/foo.ts", "src/app.test.ts", "pkg/foo_test.go", "spec/foo_spec.rb", "src/__tests__/x.ts"]) { @@ -1903,7 +1898,6 @@ describe("local MCP git metadata collection", () => { }); it("extracts linked issues only from standalone closing keywords, not keyword substrings", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { extractLinkedIssues } = await import("../../packages/loopover-mcp/lib/local-branch.js"); // Standalone closing keywords (hash optional, as this client-side extractor allows) and bare #refs link. expect(extractLinkedIssues("fixes #5")).toEqual([5]); @@ -1918,7 +1912,6 @@ describe("local MCP git metadata collection", () => { }); it("parses remotes, changed-file stats, linked issues, and refuses source upload mode", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { collectLocalBranchMetadata, parseGitRemote } = await import("../../packages/loopover-mcp/lib/local-branch.js"); expect(parseGitRemote("git@github.com:entrius/allways-ui.git")).toBe("entrius/allways-ui"); expect(parseGitRemote("https://github.com/JSONbored/loopover.git")).toBe("JSONbored/loopover"); @@ -1962,7 +1955,6 @@ describe("local MCP git metadata collection", () => { }); it("selects and validates cwd from MCP roots without leaking local paths", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { collectLocalBranchMetadata, normalizeMcpWorkspaceRoots, resolveWorkspaceCwd } = await import("../../packages/loopover-mcp/lib/local-branch.js"); tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); const workspace = join(tempDir, "workspace"); @@ -2261,6 +2253,167 @@ describe("local MCP git metadata collection", () => { expect(analysis.scenarioSummary.pendingScenarioNotes.length).toBeGreaterThan(0); expect(analysis.scenarioSummary.pendingScenarioNotes.join(" ")).toMatch(/cached GitHub reviews, checks, and activity/i); }); + + it("summarizes a local diff into title, changed/test/code files, and line counts", async () => { + const { collectLocalDiff } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + seedRepo(tempDir); + git(tempDir, "checkout", "-b", "add-feature"); + mkdirSync(join(tempDir, "src")); + mkdirSync(join(tempDir, "test")); + writeFileSync(join(tempDir, "src/app.ts"), "export const app = 1;\n"); + writeFileSync(join(tempDir, "test/app.test.ts"), "expect(1).toBe(1);\n"); + git(tempDir, "add", "-A"); + git(tempDir, "commit", "-m", "Add app feature and tests"); + + const diff = collectLocalDiff(tempDir, "HEAD~1"); + expect(diff.changedFiles).toEqual(expect.arrayContaining(["src/app.ts", "test/app.test.ts"])); + expect(diff.testFiles).toEqual(["test/app.test.ts"]); + expect(diff.codeFiles).toEqual(["src/app.ts"]); + expect(diff.changedLineCount).toBe(2); + expect(diff.commitMessage).toBe("Add app feature and tests"); + expect(diff.title).toBe("add feature"); + }); + + it("derives the default base ref from origin refs in priority order", async () => { + const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + seedRepo(tempDir, null); + const baseRefOf = () => collectLocalBranchMetadata({ cwd: tempDir!, repoFullName: "entrius/allways-ui", login: "oktofeesh1" }).baseRef; + + expect(baseRefOf()).toBe("HEAD"); + git(tempDir, "update-ref", "refs/remotes/origin/master", "HEAD"); + expect(baseRefOf()).toBe("origin/master"); + git(tempDir, "update-ref", "refs/remotes/origin/main", "HEAD"); + expect(baseRefOf()).toBe("origin/main"); + git(tempDir, "symbolic-ref", "refs/remotes/origin/HEAD", "refs/remotes/origin/main"); + expect(baseRefOf()).toBe("origin/main"); + }); + + it("collects the remote-tracking sha from a reachable origin remote", async () => { + const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + const originDir = join(tempDir, "origin.git"); + const workDir = join(tempDir, "work"); + mkdirSync(workDir, { recursive: true }); + git(tempDir, "init", "--bare", "origin.git"); + git(workDir, "init"); + git(workDir, "config", "user.email", "test@example.com"); + git(workDir, "config", "user.name", "LoopOver Test"); + git(workDir, "config", "commit.gpgsign", "false"); + git(workDir, "remote", "add", "origin", originDir); + writeFileSync(join(workDir, "README.md"), "fixture\n"); + git(workDir, "add", "README.md"); + git(workDir, "commit", "-m", "initial commit"); + git(workDir, "push", "origin", "HEAD:main"); + git(workDir, "update-ref", "refs/remotes/origin/main", "HEAD"); + + const metadata = collectLocalBranchMetadata({ cwd: workDir, baseRef: "origin/main", repoFullName: "entrius/allways-ui", login: "oktofeesh1" }); + expect(metadata.remoteTrackingSha).toMatch(/^[0-9a-f]{40}$/); + expect(metadata.baseSha).toBe(metadata.remoteTrackingSha); + }); + + it("adds workflow and manifest CI hints from changed file paths", async () => { + const { collectCiStatusHints } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + const noRepo = join(tmpdir(), "loopover-no-such-repo-ci-hints"); + const hints = collectCiStatusHints(noRepo, "HEAD", [ + { path: ".github/workflows/ci.yml", additions: 1, deletions: 0, status: "modified", binary: false }, + { path: "package.json", additions: 2, deletions: 0, status: "modified", binary: false }, + ]); + expect(hints.join(" ")).toMatch(/Workflow files changed/); + expect(hints.join(" ")).toMatch(/Build or dependency manifests changed/); + // Default changedFiles arg + no git repo -> no hints at all. + expect(collectCiStatusHints(noRepo, "HEAD")).toEqual([]); + }); + + it("returns zero pending commits when the base ref cannot be counted", async () => { + const { collectPendingCommitCount } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(collectPendingCommitCount(join(tmpdir(), "loopover-no-such-repo-count"), "HEAD")).toBe(0); + }); + + it("throws when repoFullName cannot be inferred from the git remote", async () => { + const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + seedRepo(tempDir, null); + expect(() => collectLocalBranchMetadata({ cwd: tempDir!, baseRef: "HEAD", login: "oktofeesh1" })).toThrow(/Could not infer repoFullName/); + }); + + it("labels a file-to-symlink type change with an unknown status", async () => { + const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + seedRepo(tempDir); + git(tempDir, "checkout", "-b", "typechange"); + writeFileSync(join(tempDir, "toggle.txt"), "regular\n"); + git(tempDir, "add", "toggle.txt"); + git(tempDir, "commit", "-m", "add regular file"); + rmSync(join(tempDir, "toggle.txt")); + symlinkSync("some-target", join(tempDir, "toggle.txt")); + git(tempDir, "add", "toggle.txt"); + git(tempDir, "commit", "-m", "convert to symlink"); + + const metadata = collectLocalBranchMetadata({ cwd: tempDir, baseRef: "HEAD~1", repoFullName: "entrius/allways-ui", login: "oktofeesh1" }); + expect(metadata.changedFiles).toEqual(expect.arrayContaining([expect.objectContaining({ path: "toggle.txt", status: "unknown" })])); + }); + + it("resolves a workspace cwd that does not exist without throwing", async () => { + const { resolveWorkspaceCwd } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + const missing = join(tmpdir(), "loopover-missing-workspace-xyz", "nested"); + const result = resolveWorkspaceCwd({ cwd: missing }); + expect(result).toMatchObject({ rootsAvailable: false, rootCount: 0 }); + expect(result.cwd).toBe(resolve(missing)); + // Default arg + no cwd falls back to process.cwd(). + expect(resolveWorkspaceCwd()).toMatchObject({ rootsAvailable: false, rootCount: 0 }); + }); + + it("resolves a relative cwd against the first MCP workspace root", async () => { + const { resolveWorkspaceCwd } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + const sub = join(tempDir, "packages", "app"); + mkdirSync(sub, { recursive: true }); + const roots = [{ uri: pathToFileURL(tempDir).href }]; + const result = resolveWorkspaceCwd({ cwd: "packages/app", workspaceRoots: roots }); + expect(result).toMatchObject({ rootsAvailable: true, rootCount: 1 }); + expect(result.cwd).toBe(realpathSync(sub)); + }); + + it("normalizes MCP roots: dedupes, skips non-file, non-string, and malformed uris", async () => { + const { normalizeMcpWorkspaceRoots } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + tempDir = mkdtempSync(join(tmpdir(), "loopover-local-")); + const uri = pathToFileURL(tempDir).href; + const roots = normalizeMcpWorkspaceRoots([ + { uri }, + { uri }, // duplicate -> seen.has -> skipped + { uri: 123 }, // non-string uri -> "" -> not file: -> skipped + null, // root?.uri is undefined -> "" -> skipped + { uri: "file://nonlocalhost/tmp/x" }, // file: but fileURLToPath throws (bad host) -> caught + ignored + { uri: "https://example.com/not-local" }, // non-file scheme -> skipped + ]); + expect(roots).toEqual([{ path: realpathSync(tempDir) }]); + expect(normalizeMcpWorkspaceRoots("not-an-array")).toEqual([]); + }); + + it("parses or rejects git remote urls, including null and non-matching input", async () => { + const { parseGitRemote } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(parseGitRemote("ssh://git@github.com/JSONbored/loopover.git")).toBe("JSONbored/loopover"); + expect(parseGitRemote(null as unknown as string)).toBeUndefined(); + expect(parseGitRemote(undefined as unknown as string)).toBeUndefined(); + expect(parseGitRemote("not a git remote")).toBeUndefined(); + }); + + it("falls back to safe branch defaults when the cwd is not a git repository", async () => { + const { collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + // A cwd that does not exist means every internal `git` spawn throws before it can walk up to any + // ancestor repo, so this is robust regardless of where the test tmp dir lives. + const noRepo = join(tmpdir(), "loopover-nonexistent-repo-a1b2c3", "nested"); + const metadata = collectLocalBranchMetadata({ cwd: noRepo, repoFullName: "entrius/allways-ui", login: "oktofeesh1" }); + // No current branch / head ref / commit range is readable, so each git lookup empties out to the + // literal "local-branch" and empty-collection defaults instead of throwing. + expect(metadata.branchName).toBe("local-branch"); + expect(metadata.headRef).toBe("local-branch"); + expect(metadata.baseRef).toBe("HEAD"); + expect(metadata.changedFiles).toEqual([]); + expect(metadata.commitMessages).toEqual([]); + }); }); const repo: RepositoryRecord = { @@ -2397,3 +2550,14 @@ const scoringProfile: ContributorScoringProfile = { function git(cwd: string, ...args: string[]) { execFileSync("git", args, { cwd, stdio: "ignore" }); } + +function seedRepo(dir: string, remoteUrl: string | null = "git@github.com:entrius/allways-ui.git") { + git(dir, "init"); + git(dir, "config", "user.email", "test@example.com"); + git(dir, "config", "user.name", "LoopOver Test"); + git(dir, "config", "commit.gpgsign", "false"); + if (remoteUrl) git(dir, "remote", "add", "origin", remoteUrl); + writeFileSync(join(dir, "README.md"), "fixture\n"); + git(dir, "add", "README.md"); + git(dir, "commit", "-m", "initial commit"); +} diff --git a/test/unit/local-scorer-adapter.test.ts b/test/unit/local-scorer-adapter.test.ts index 973970c3ac..a2da4ee6b3 100644 --- a/test/unit/local-scorer-adapter.test.ts +++ b/test/unit/local-scorer-adapter.test.ts @@ -1,5 +1,26 @@ import { join } from "node:path"; -import { afterEach, describe, expect, it } from "vitest"; +import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"; + +// Forward every real execFileSync (git metadata + the packaged/fixture scorer subprocesses the other +// tests spawn for real) untouched, and only hijack a NON-git sentinel command when a test opts in via +// execHooks.scorerOverride. This lets the branch-coverage tests below drive classifyScorerExecFailure's +// error-shape branches (SIGTERM-without-ETIMEDOUT, "...JSON..." messages, signal kills with stderr) and +// normalizeScorerOutput's camel/snake/nested shapes deterministically, without disturbing the existing +// real-subprocess tests or the real git calls inside buildBranchAnalysisPayload. +const execHooks = vi.hoisted(() => ({ + scorerOverride: null as null | ((command: string, args: readonly string[], options: Record) => string), +})); + +vi.mock("node:child_process", async (importOriginal) => { + const actual = await importOriginal(); + const wrapped = ((command: unknown, args?: unknown, options?: unknown) => { + if (command === "git" || execHooks.scorerOverride === null) { + return (actual.execFileSync as (...callArgs: unknown[]) => unknown)(command, args, options); + } + return execHooks.scorerOverride(command as string, (args ?? []) as readonly string[], (options ?? {}) as Record); + }) as typeof actual.execFileSync; + return { ...actual, execFileSync: wrapped }; +}); function fixtureCommand(name: string) { return `node ${join(process.cwd(), "test/fixtures/local-scorer", name)}`; @@ -39,7 +60,6 @@ describe("local scorer adapter", () => { }); it("returns structured success output from a working scorer command", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); const result = runExternalScorePreview(metadata, fixtureCommand("scorer-success.mjs")); expect(result).toMatchObject({ @@ -52,7 +72,6 @@ describe("local scorer adapter", () => { }); it("reports missing scorer command with setup guidance", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { runExternalScorePreview, setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); const result = runExternalScorePreview(metadata, undefined); expect(result).toMatchObject({ ok: false, code: "missing_scorer_command", fallbackMode: "metadata_only" }); @@ -62,7 +81,6 @@ describe("local scorer adapter", () => { }); it("handles scorer timeouts without crashing analysis", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); previousTimeout = process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS; process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS = "200"; @@ -73,7 +91,6 @@ describe("local scorer adapter", () => { }); it("handles malformed scorer JSON and non-zero exits", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); const malformed = runExternalScorePreview(metadata, fixtureCommand("scorer-malformed.mjs")); expect(malformed).toMatchObject({ ok: false, code: "malformed_json", fallbackMode: "metadata_only" }); @@ -84,7 +101,6 @@ describe("local scorer adapter", () => { }); it("falls back to metadata-only scorer output and keeps source upload disabled", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { buildBranchAnalysisPayload, collectLocalBranchMetadata } = await import("../../packages/loopover-mcp/lib/local-branch.js"); const payload = buildBranchAnalysisPayload({ cwd: process.cwd(), @@ -104,7 +120,6 @@ describe("local scorer adapter", () => { }); it("runs the packaged reference scorer against metadata only", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); const result = runExternalScorePreview(metadata, packagedScorerCommand("metadata")); expect(result.ok).toBe(true); @@ -115,7 +130,6 @@ describe("local scorer adapter", () => { }); it("redacts local paths from scorer diagnostics and setup guidance", async () => { - // @ts-expect-error package helper is plain JS because the local wrapper ships as a Node bin package. const { probeLocalScorer, redactLocalPath, redactScorerCommand, sanitizeLocalScorerStatus, setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); previousGittensorRoot = process.env.GITTENSOR_ROOT; @@ -143,3 +157,239 @@ describe("local scorer adapter", () => { expect(JSON.stringify(probe)).not.toMatch(/\/secret\/home\/user/); }); }); + +describe("local scorer adapter branch coverage", () => { + const ENV_KEYS = ["GITTENSOR_SCORE_PREVIEW_CMD", "GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS", "GITTENSOR_ROOT"] as const; + const savedEnv: Partial> = {}; + + beforeEach(() => { + for (const key of ENV_KEYS) savedEnv[key] = process.env[key]; + delete process.env.GITTENSOR_SCORE_PREVIEW_CMD; + delete process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS; + }); + + afterEach(() => { + execHooks.scorerOverride = null; + for (const key of ENV_KEYS) { + if (savedEnv[key] === undefined) delete process.env[key]; + else process.env[key] = savedEnv[key]; + } + }); + + const meta = { repoFullName: "entrius/allways-ui" } as Record; + + it("resolves the score-preview command from explicit input, env, or nothing", async () => { + const { resolveScorePreviewCommand } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(resolveScorePreviewCommand({ scorePreviewCommand: " node scorer.mjs " })).toBe("node scorer.mjs"); + expect(resolveScorePreviewCommand({ scorePreviewCommand: " " })).toBeUndefined(); + expect(resolveScorePreviewCommand({})).toBeUndefined(); + expect(resolveScorePreviewCommand()).toBeUndefined(); + process.env.GITTENSOR_SCORE_PREVIEW_CMD = " node from-env.mjs "; + expect(resolveScorePreviewCommand({})).toBe("node from-env.mjs"); + expect(resolveScorePreviewCommand({ scorePreviewCommand: "node explicit.mjs" })).toBe("node explicit.mjs"); + }); + + it("builds reference score-preview examples for metadata and gittensor kinds", async () => { + const { referenceScorePreviewExample } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(referenceScorePreviewExample("gittensor")).toBe("python3 ./node_modules/@loopover/mcp/scripts/gittensor-score-preview.py"); + expect(referenceScorePreviewExample("metadata")).toBe("node ./node_modules/@loopover/mcp/scripts/gittensor-score-preview.mjs"); + expect(referenceScorePreviewExample()).toBe("node ./node_modules/@loopover/mcp/scripts/gittensor-score-preview.mjs"); + }); + + it("redacts scorer commands to interpreter + script basename, with safe fallbacks", async () => { + const { redactScorerCommand } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(redactScorerCommand("/usr/local/bin/python3 /home/me/tools/score.py")).toBe("python3 /score.py"); + expect(redactScorerCommand('node "/quoted path/score.mjs"')).toBe("node /score.mjs"); + expect(redactScorerCommand("some-binary --flag value")).toBe(""); + expect(redactScorerCommand("")).toBe(""); + expect(redactScorerCommand(null)).toBe(""); + expect(redactScorerCommand(undefined)).toBe(""); + }); + + it("sanitizes scorer status objects and passes non-objects through unchanged", async () => { + const { sanitizeLocalScorerStatus } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(sanitizeLocalScorerStatus(null as unknown as { ok?: boolean })).toBeNull(); + expect(sanitizeLocalScorerStatus("nope" as unknown as { ok?: boolean })).toBe("nope"); + const sanitized = sanitizeLocalScorerStatus({ + ok: false, + code: "scorer_failed", + reason: "failed under /home/user/project/scorer", + stderr: "trace at /home/user/project/log.txt", + scorerCommand: "node /home/user/scripts/score.mjs", + exitCode: 2, + }); + expect(String(sanitized.reason)).not.toContain("/home/user"); + expect(String(sanitized.stderr)).not.toContain("/home/user"); + expect(sanitized.scorerCommand).toBe("node /score.mjs"); + expect(sanitized.exitCode).toBe(2); + expect(sanitizeLocalScorerStatus({ ok: true })).toEqual({ ok: true }); + }); + + it("returns no setup guidance when the scorer already succeeded", async () => { + const { setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(setupGuidanceForLocalScorer({ ok: true })).toEqual([]); + }); + + it("tailors setup guidance to each explicit scorer failure code", async () => { + const { setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(setupGuidanceForLocalScorer({ ok: false, code: "empty_scorer_command" }).join(" ")).toMatch(/set but empty/i); + expect(setupGuidanceForLocalScorer({ ok: false, code: "timeout" }).join(" ")).toMatch(/exceeded \d+ms/i); + + const malformedWith = setupGuidanceForLocalScorer({ ok: false, code: "malformed_json", stderr: "partial output here" }).join("\n"); + expect(malformedWith).toMatch(/one JSON object/i); + expect(malformedWith).toMatch(/Last scorer stdout snippet: partial output here/); + expect(setupGuidanceForLocalScorer({ ok: false, code: "malformed_json" }).join("\n")).not.toMatch(/stdout snippet/i); + + const nonZeroWith = setupGuidanceForLocalScorer({ ok: false, code: "non_zero_exit", stderr: `boom-${"x".repeat(200)}`, exitCode: 5 }).join("\n"); + expect(nonZeroWith).toMatch(/non-zero status/i); + expect(nonZeroWith).toMatch(/Scorer stderr: boom-x/); + expect(nonZeroWith).toMatch(/\.\.\.$/m); // long stderr is truncated with an ellipsis + expect(nonZeroWith).toMatch(/Exit code: 5/); + const nonZeroWithout = setupGuidanceForLocalScorer({ ok: false, code: "non_zero_exit" }).join("\n"); + expect(nonZeroWithout).not.toMatch(/Scorer stderr/); + expect(nonZeroWithout).not.toMatch(/Exit code/); + + const defaultWith = setupGuidanceForLocalScorer({ ok: false, code: "some_unknown_code", reason: "mystery failure" }).join("\n"); + expect(defaultWith).toMatch(/reads branch metadata JSON from stdin/i); + expect(defaultWith).toMatch(/Last scorer error: mystery failure/); + expect(setupGuidanceForLocalScorer({ ok: false, code: "some_unknown_code" }).join("\n")).not.toMatch(/Last scorer error/); + }); + + it("infers the scorer failure code from the reason when no code is present", async () => { + const { setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "GITTENSOR_SCORE_PREVIEW_CMD missing_scorer_command detail" }).join("\n")).toMatch(/export GITTENSOR_SCORE_PREVIEW_CMD/); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "empty_scorer_command was set" }).join("\n")).toMatch(/set but empty/i); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "External scorer timed out after 15000ms." }).join("\n")).toMatch(/exceeded \d+ms/i); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "stdout was not valid JSON." }).join("\n")).toMatch(/one JSON object/i); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "External scorer exited with status 7." }).join("\n")).toMatch(/non-zero status/i); + expect(setupGuidanceForLocalScorer({ ok: false, reason: "some random breakage" }).join("\n")).toMatch(/reads branch metadata JSON from stdin/i); + // Neither code nor reason present: inferScorerCode coerces undefined -> "" -> scorer_failed default. + expect(setupGuidanceForLocalScorer({ ok: false }).join("\n")).toMatch(/reads branch metadata JSON from stdin/i); + }); + + it("falls back to the default score-preview timeout for invalid env values", async () => { + const { setupGuidanceForLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS = "not-a-number"; + expect(setupGuidanceForLocalScorer({ ok: false, code: "timeout" }).join("\n")).toMatch(/exceeded 15000ms/); + process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS = "0"; + expect(setupGuidanceForLocalScorer({ ok: false, code: "timeout" }).join("\n")).toMatch(/exceeded 15000ms/); + process.env.GITTENSOR_SCORE_PREVIEW_TIMEOUT_MS = "500"; + expect(setupGuidanceForLocalScorer({ ok: false, code: "timeout" }).join("\n")).toMatch(/exceeded 500ms/); + }); + + it("flags a whitespace-only scorer command as empty", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(runExternalScorePreview(meta, " ")).toMatchObject({ ok: false, code: "empty_scorer_command", fallbackMode: "metadata_only" }); + }); + + it("accepts snake_case and nested scorer JSON shapes", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => JSON.stringify({ active_model: "m", source_token_score: 40, total_token_score: 60, source_lines: 38, test_token_score: 8, non_code_token_score: 2 }); + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: true, code: "success", fallbackMode: "external_command" }); + execHooks.scorerOverride = () => JSON.stringify({ source: { tokenScore: 40, lines: 38 }, total: { tokenScore: 60 }, tests: { tokenScore: 8 }, nonCode: { tokenScore: 2 } }); + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: true, code: "success" }); + }); + + it("rejects non-object and score-less scorer JSON", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => JSON.stringify([1, 2, 3]); + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "malformed_json", fallbackMode: "metadata_only" }); + execHooks.scorerOverride = () => JSON.stringify({ note: "no scores here" }); + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "malformed_json", fallbackMode: "metadata_only" }); + }); + + it("classifies scorer stdout that is not JSON as malformed", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => { + throw Object.assign(new Error("Command failed"), { stdout: "garbage-not-json", status: 3, stderr: "" }); + }; + const result = runExternalScorePreview(meta, "mock-scorer"); + expect(result).toMatchObject({ ok: false, code: "malformed_json", fallbackMode: "metadata_only" }); + expect(result.stderr).toBe("garbage-not-json"); + expect(result.scorerCommand).toBe(""); + }); + + it("classifies a SIGTERM-killed scorer as a timeout even without ETIMEDOUT", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => { + throw Object.assign(new Error("Command failed"), { killed: true, signal: "SIGTERM" }); + }; + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "timeout" }); + }); + + it("classifies a JSON parse error message as malformed without captured stdout", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => { + throw new Error("Unexpected token o in JSON at position 1"); + }; + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "malformed_json" }); + }); + + it("classifies a signal kill whose stderr is not JSON as malformed", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => { + throw Object.assign(new Error("Command failed"), { signal: "SIGKILL", stderr: "boom on stderr" }); + }; + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "malformed_json" }); + }); + + it("classifies an unknown scorer failure (ENOENT) and redacts the message", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + const result = runExternalScorePreview(meta, "definitely-not-a-real-binary-xyzq"); + expect(result).toMatchObject({ ok: false, code: "scorer_failed", fallbackMode: "metadata_only" }); + }); + + it("classifies exec failures by inspecting the captured stdout JSON shape", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + const withStdout = (stdout: string, status = 4) => { + execHooks.scorerOverride = () => { + throw Object.assign(new Error("Command failed"), { stdout, status }); + }; + return runExternalScorePreview(meta, "mock-scorer"); + }; + // Valid scorer JSON on stdout despite the non-zero exit -> NOT malformed; classified by exit code. + expect(withStdout(JSON.stringify({ sourceTokenScore: 1 }))).toMatchObject({ ok: false, code: "non_zero_exit", exitCode: 4 }); + expect(withStdout(JSON.stringify({ totalTokenScore: 5 }))).toMatchObject({ ok: false, code: "non_zero_exit" }); + // Well-formed JSON that is not a usable scorer object -> malformed. + for (const bad of [JSON.stringify({ foo: 1 }), "[1,2,3]", "42", "null"]) { + expect(withStdout(bad)).toMatchObject({ ok: false, code: "malformed_json" }); + } + }); + + it("classifies a non-Error, non-object throw as a generic scorer failure", async () => { + const { runExternalScorePreview } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => { + throw "plain string failure"; + }; + expect(runExternalScorePreview(meta, "mock-scorer")).toMatchObject({ ok: false, code: "scorer_failed" }); + }); + + it("normalizes a successful external scorer payload into localScorer fields", async () => { + const { buildBranchAnalysisPayload } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => JSON.stringify({ activeModel: "density-v2", sourceTokenScore: 42, totalTokenScore: 70, sourceLines: 40, testTokenScore: 12, nonCodeTokenScore: 3, warnings: ["w1", 2], ignored: "field" }); + const payload = buildBranchAnalysisPayload({ cwd: process.cwd(), repoFullName: "JSONbored/loopover", baseRef: "HEAD", login: "local", scorePreviewCommand: "mock-scorer" }); + expect(payload.localScorer).toEqual({ + mode: "external_command", + activeModel: "density-v2", + sourceTokenScore: 42, + totalTokenScore: 70, + sourceLines: 40, + testTokenScore: 12, + nonCodeTokenScore: 3, + warnings: ["w1", "2"], + }); + expect(payload.localScorerStatus).toMatchObject({ ok: true, code: "success" }); + }); + + it("drops blank activeModel, non-numeric scores, and non-array warnings during normalization", async () => { + const { buildBranchAnalysisPayload } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + execHooks.scorerOverride = () => JSON.stringify({ activeModel: " ", sourceTokenScore: 15, totalTokenScore: "not-a-number", warnings: "not-an-array" }); + const payload = buildBranchAnalysisPayload({ cwd: process.cwd(), repoFullName: "JSONbored/loopover", baseRef: "HEAD", login: "local", scorePreviewCommand: "mock-scorer" }); + expect(payload.localScorer).toEqual({ mode: "external_command", sourceTokenScore: 15 }); + }); + + it("probes the local scorer using the resolved command by default", async () => { + const { probeLocalScorer } = await import("../../packages/loopover-mcp/lib/local-branch.js"); + expect(probeLocalScorer()).toMatchObject({ ok: false, code: "missing_scorer_command" }); + }); +});