set -euo pipefail

ENTIRE_BIN="entire"
tmp="$(mktemp -d)"
log="$tmp/hook.log"

git init "$tmp/repo" >/dev/null
cd "$tmp/repo"
git config user.email [email protected]
git config user.name tester
echo init > f.txt
git add f.txt
git commit -m init >/dev/null

git worktree add "$tmp/wt" -b feat >/dev/null
cd "$tmp/wt"

"$ENTIRE_BIN" enable --agent claude-code --telemetry=false >/dev/null

git_dir="$(git rev-parse --git-dir)"
active_hooks="$(git rev-parse --git-path hooks)"
wrong_hook="$git_dir/hooks/prepare-commit-msg"
active_hook="$active_hooks/prepare-commit-msg"

echo "git-dir:      $git_dir"
echo "active hooks: $active_hooks"
echo "wrong_hook exists: $([ -f "$wrong_hook" ] && echo yes || echo no)"
echo "active_hook exists: $([ -f "$active_hook" ] && echo yes || echo no)"

# tracer: append line to whichever Entire hook exists
for hook in "$wrong_hook" "$active_hook"; do
  if [ -f "$hook" ] && grep -q "Entire CLI hooks" "$hook"; then
    printf '\necho "HOOK_RAN_FROM: %s" >> "%s"\n' "$hook" "$log" >> "$hook"
    chmod +x "$hook"
  fi
done

: > "$log"
echo change >> f.txt
git add f.txt
git commit -m "repro" >/dev/null

echo "hook log content:"
cat "$log" || true