.husky/post-checkout and .husky/post-merge
!/bin/sh
# This script tracks changes in `yarn.lock` and `package.json` files
# and reruns `yarn` when changes are detected, using Git for change detection.
# Exit immediately if a command exits with a non-zero status.
set -e
# Get the hash of the last commit where yarn was run successfully
LAST_YARN_RUN=$(git config --get hooks.last-yarn-run || true)
# If there's no record of the last yarn run, use the initial commit
if [ -z "$LAST_YARN_RUN" ]; then
LAST_YARN_RUN=$(git rev-list --max-parents=0 HEAD)
fi
# echo "Last yarn run: $LAST_YARN_RUN"
# Check if package.json or yarn.lock have changed since the last yarn run
if git diff --quiet "$LAST_YARN_RUN" HEAD -- package.json yarn.lock; then
echo "No changes in package.json or yarn.lock since last yarn run. Skipping yarn."
else
echo "package.json or yarn.lock has changed. Running yarn..."
if yarn; then
# Store the current commit hash as the last successful yarn run
git config hooks.last-yarn-run $(git rev-parse HEAD)
echo "yarn completed successfully."
else
echo "yarn failed. Please resolve the issues and try again."
exit 1
fi
fi
exit 0
# Courtesy Claude Sonnet 3.5 with testing and prompting by Stan