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fix: Windows hook execution for Claude Code 2.1.x (#331)

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* fix: convert shell scripts from CRLF to LF line endings

Add .gitattributes to enforce LF line endings for shell scripts,
preventing bash errors like "/usr/bin/bash: line 1: : command not found"
when scripts are checked out on Windows with CRLF.

Fixes #317 (SessionStart hook fails due to CRLF line endings)

Files converted:
- hooks/session-start.sh
- lib/brainstorm-server/start-server.sh
- lib/brainstorm-server/stop-server.sh
- lib/brainstorm-server/wait-for-feedback.sh
- skills/systematic-debugging/find-polluter.sh

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix: update Windows hook execution for Claude Code 2.1.x

Claude Code 2.1.x changed the Windows execution model: it now auto-detects
.sh files in hook commands and prepends "bash " automatically. This broke
the polyglot wrapper because:

  Before: "run-hook.cmd" session-start.sh  (wrapper executes)
  After:  bash "run-hook.cmd" session-start.sh  (bash can't run .cmd)

Changes:
- hooks.json now calls session-start.sh directly (Claude Code handles bash)
- Added deprecation comment to run-hook.cmd explaining the change
- Updated RELEASE-NOTES.md

Fixes #317, #313, #275, #292

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Jesse Vincent
2026-01-22 13:29:41 -08:00
parent 3964d18670
commit 36fcd57626
4 changed files with 49 additions and 2 deletions
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6
RELEASE-NOTES.md
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@@ -22,6 +22,12 @@ The previous bootstrap injection method using `session.prompt({ noReply: true })
- Added comprehensive Windows installation docs for cmd.exe, PowerShell, and Git Bash
- Documented proper symlink vs junction usage for each platform
**Claude Code: Fixed Windows hook execution for Claude Code 2.1.x**
Claude Code 2.1.x changed how hooks execute on Windows: it now auto-detects `.sh` files in commands and prepends `bash `. This broke the polyglot wrapper pattern because `bash "run-hook.cmd" session-start.sh` tries to execute the .cmd file as a bash script.
Fix: hooks.json now calls session-start.sh directly. Claude Code 2.1.x handles the bash invocation automatically. Also added .gitattributes to enforce LF line endings for shell scripts (fixes CRLF issues on Windows checkout).
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## v4.0.3 (2025-12-26)