From c64f3af6d60f1ee68d71197d5216711c73394c29 Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Wed, 12 Aug 2026 14:41:20 +0000
Subject: [PATCH 1/2] feat(go-format): disclose goimports rewrites on the user
 channel

Partially addresses #1596

Co-authored-by: Kyle Sexton <kyle-sexton@users.noreply.github.com>
---
 plugins/go-format/CHANGELOG.md       |  7 +++++++
 plugins/go-format/hooks/go-format.sh | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/plugins/go-format/CHANGELOG.md b/plugins/go-format/CHANGELOG.md
index a5eff7f2a0..e438718324 100644
--- a/plugins/go-format/CHANGELOG.md
+++ b/plugins/go-format/CHANGELOG.md
@@ -3,6 +3,13 @@
 All notable changes to the `go-format` plugin are documented here. Format follows
 [Keep a Changelog](https://keepachangelog.com/en/1.1.0/); this plugin uses semantic versioning.
 
+## [0.3.8]
+
+### Added
+
+- **Content-mutation disclosure on goimports rewrites (#1596).** When goimports changes a file,
+  the hook emits a `systemMessage` naming the path.
+
 ## [0.3.7]
 
 ### Changed
diff --git a/plugins/go-format/hooks/go-format.sh b/plugins/go-format/hooks/go-format.sh
index 73a1028fae..369876cfad 100755
--- a/plugins/go-format/hooks/go-format.sh
+++ b/plugins/go-format/hooks/go-format.sh
@@ -224,6 +224,10 @@ fi
 GOIMPORTS_ARGS=(-w -l)
 [[ -n "$LOCAL_PREFIX" ]] && GOIMPORTS_ARGS+=(-local "$LOCAL_PREFIX")
 
+_go_before=""
+if _go_before=$(mktemp 2>/dev/null); then
+  cp "$FILE" "$_go_before" 2>/dev/null || _go_before=""
+fi
 # -w writes the fix in place; -l (combined with -w) lists the changed
 # filename on stdout, which this hook doesn't need (a successful autofix
 # carries no advisory noise, same posture as a successful ruff/typos fix
@@ -240,6 +244,12 @@ STDERR=$("$GOIMPORTS_BIN" "${GOIMPORTS_ARGS[@]}" -- "$FILE" 2>&1 >/dev/null)
 RC=$?
 
 if [[ $RC -eq 0 ]]; then
+  if [[ -n "$_go_before" ]]; then
+    if ! cmp -s "$_go_before" "$FILE" 2>/dev/null; then
+      hook::emit_system_message "go-format: reformatted $(basename "$FILE") via goimports (imports and layout only)."
+    fi
+    rm -f "$_go_before"
+  fi
   # Clean, or fixed silently (formatting/import changes carry no advisory
   # noise — same posture as a successful ruff/typos autofix pass).
   emit_tel "ok" '[]'

From 2c06f15945e2e19755e85d6fc90104ab4b8a8333 Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Wed, 12 Aug 2026 15:02:51 +0000
Subject: [PATCH 2/2] fix(go-format): bump manifest to match CHANGELOG 0.3.8
 entry

Co-authored-by: Kyle Sexton <kyle-sexton@users.noreply.github.com>
---
 plugins/go-format/.claude-plugin/plugin.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/go-format/.claude-plugin/plugin.json b/plugins/go-format/.claude-plugin/plugin.json
index 2f210b4aa9..101d8effd1 100644
--- a/plugins/go-format/.claude-plugin/plugin.json
+++ b/plugins/go-format/.claude-plugin/plugin.json
@@ -1,8 +1,8 @@
 {
   "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
   "name": "go-format",
-  "version": "0.3.7",
-  "description": "Auto-fix Go formatting and import management on edit via goimports \u2014 runs unconditionally (no consumer-config gate), skipping generated files.",
+  "version": "0.3.8",
+  "description": "Auto-fix Go formatting and import management on edit via goimports — runs unconditionally (no consumer-config gate), skipping generated files.",
   "author": {
     "name": "Melodic Software",
     "email": "info@melodicsoftware.com"