[6/9] feat: add SCCACHE_FILE_CLONE_COMPRESS for post-write compression - #9
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When SCCACHE_FILE_CLONE=true, users can set SCCACHE_FILE_CLONE_COMPRESS to a command that will be spawned on each cache entry directory after writing. The entry directory path is appended to the command. Example: SCCACHE_FILE_CLONE_COMPRESS="applesauce compress -c lzfse" applies APFS transparent compression on macOS, reducing cache disk usage while keeping files transparently readable and reflink-capable. The command runs in the background and failures are silently ignored. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
SCCACHE_FILE_CLONE_COMPRESSspecifies a command to run on each cache entry directory after writing (whenSCCACHE_FILE_CLONE=true)shlexfor proper quoting supportSCCACHE_FILE_CLONE_COMPRESS="applesauce compress -c lzfse"applies APFS transparent compression on macOSStack: 6/8