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beads/examples/git-hooks/pre-push
Steve Yegge 0b0d9a43d1 Improve bd-my64 fix based on oracle review
Oracle identified a critical race condition in the initial fix:
- Pre-push hook checked for changes but didn't flush first
- Pending 5s-debounced flushes could land after the check
- Result: stale JSONL could still be pushed

Improvements:
1. Pre-push now flushes pending changes FIRST (bd sync --flush-only)
2. Uses git status --porcelain to catch ALL change types:
   - Staged, unstaged, untracked, deleted, renamed, conflicts
3. Handles both beads.jsonl and issues.jsonl (backward compat)
4. Works even without bd installed (git-only check)
5. Pre-commit stages both JSONL files (simpler loop)

This completely eliminates the race condition.
2025-11-06 19:01:28 -08:00

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#!/bin/sh
# bd-hooks-version: 0.22.0
#
# bd (beads) pre-push hook
#
# This hook prevents pushing stale JSONL by:
# 1. Flushing any pending in-memory changes to JSONL (if bd available)
# 2. Checking for uncommitted changes (staged, unstaged, untracked, deleted)
# 3. Failing the push with clear instructions if changes found
#
# The pre-commit hook already exports changes, but this catches:
# - Changes made between commit and push
# - Pending debounced flushes (5s daemon delay)
#
# Installation:
# cp examples/git-hooks/pre-push .git/hooks/pre-push
# chmod +x .git/hooks/pre-push
#
# Or use the install script:
# examples/git-hooks/install.sh
# Check if we're in a bd workspace
if [ ! -d .beads ]; then
# Not a bd workspace, nothing to do
exit 0
fi
# Optionally flush pending bd changes so they surface in JSONL
# This prevents the race where a debounced flush lands after the check
if command -v bd >/dev/null 2>&1; then
bd sync --flush-only >/dev/null 2>&1 || true
fi
# Collect all tracked or existing JSONL files (supports both old and new names)
FILES=""
for f in .beads/beads.jsonl .beads/issues.jsonl; do
# Include file if it exists in working tree OR is tracked by git (even if deleted)
if git ls-files --error-unmatch "$f" >/dev/null 2>&1 || [ -f "$f" ]; then
FILES="$FILES $f"
fi
done
# Check for any uncommitted changes using porcelain status
# This catches: staged, unstaged, untracked, deleted, renamed, and conflicts
if [ -n "$FILES" ]; then
# shellcheck disable=SC2086
if [ -n "$(git status --porcelain -- $FILES 2>/dev/null)" ]; then
echo "❌ Error: Beads JSONL has uncommitted changes" >&2
echo "" >&2
echo "You made changes to bd issues between your last commit and this push." >&2
echo "Please commit the updated JSONL before pushing:" >&2
echo "" >&2
# shellcheck disable=SC2086
echo " git add $FILES" >&2
echo ' git commit -m "Update bd JSONL"' >&2
echo " git push" >&2
echo "" >&2
exit 1
fi
fi
exit 0