fix: detect $bunfs virtual paths for daemon autostart in Bun binaries#86
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benvinegar merged 2 commits intomainfrom Mar 23, 2026
Merged
fix: detect $bunfs virtual paths for daemon autostart in Bun binaries#86benvinegar merged 2 commits intomainfrom
benvinegar merged 2 commits intomainfrom
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The previous fix (PR #84) assumed argv[0] was the real binary and execPath was the embedded Bun runtime, but it's the opposite: Bun compiled binaries report argv as ["bun", "/$bunfs/root/<name>", ...] with execPath pointing to the real binary on disk. The old code matched the $bunfs virtual path against SCRIPT_ENTRYPOINT_PATTERN (because it contains "/"), spawning `bun /$bunfs/root/hunk mcp serve` — a path that doesn't exist outside the binary. Fix: detect the /$bunfs/ prefix in argv[1] and use execPath directly. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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Summary
argv[0]/execPathrelationship backwards. In Bun-compiled binaries,argvis["bun", "/$bunfs/root/<name>", ...userArgs]andexecPathis the real binary on disk — not the other way around/$bunfs/virtual path againstSCRIPT_ENTRYPOINT_PATTERN(because it contains/), spawningbun /$bunfs/root/hunk mcp serve— a path that doesn't exist outside the binary/$bunfs/prefix inargv[1]and useexecPathdirectlyHow it was verified
argv/execPathvalueshunkdiff-darwin-arm64binary at v0.6.0-beta.1 contains the old (broken) codeTest plan
hunk show— daemon should auto-start🤖 Generated with Claude Code