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chore(gate): pnpm-gated node_modules freshness preflight #50

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Merged
robercano-ghbot merged 1 commit into from
Jul 6, 2026
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chore(gate): pnpm-gated node_modules freshness preflight #50

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17 changes: 17 additions & 0 deletions .claude/scripts/gate.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,23 @@ key="${1:?usage: gate.sh <gate-name>}"
# robust whether or not we're nested inside another git repo.
script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
root="$(cd "$script_dir/../.." && pwd)"

# Dependency-freshness preflight (pnpm-gated: no-ops unless the repo uses pnpm).
# pnpm copies the resolved lockfile to node_modules/.pnpm/lock.yaml on every
# install, so a byte-diff against the working pnpm-lock.yaml is a fast, offline
# staleness check. When they differ, node_modules is behind the lockfile (e.g. a
# merged PR added a dependency) and TS builds fail with opaque "Cannot find
# module" errors printed to STDOUT — leaving Stop hooks to report an unhelpful
# "No stderr output". Surface the real cause on STDERR and abort early so the fix
# ('pnpm install') is obvious. Projects without a root pnpm-lock.yaml skip this.
if [ -f "$root/pnpm-lock.yaml" ]; then
installed_lock="$root/node_modules/.pnpm/lock.yaml"
if [ ! -e "$installed_lock" ] || ! cmp -s "$root/pnpm-lock.yaml" "$installed_lock"; then
echo "gate.sh: node_modules is out of sync with pnpm-lock.yaml — run 'pnpm install' (gate '$key' aborted)." >&2
exit 1
fi
fi

# Which adapter to read. Defaults to the project adapter; set GATES_FILE to run a
# different one (e.g. GATES_FILE=.claude/self/gates.json for the self-host loop —
# see .claude/self/README.md). Relative paths resolve from the repo root.
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