#!/usr/bin/env bash
#
# Install the repo's git hooks by pointing core.hooksPath at .githooks.
#
# Idempotent: re-running just reaffirms the config and refreshes chmod bits.
# Run from anywhere inside the repo.

set -euo pipefail

if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
    echo "install_git_hooks: not inside a git working tree" >&2
    exit 1
fi

repo_root=$(git rev-parse --show-toplevel)
hooks_dir="$repo_root/.githooks"

if [ ! -d "$hooks_dir" ]; then
    echo "install_git_hooks: $hooks_dir does not exist" >&2
    exit 1
fi

# Ensure the hook scripts are executable. New clones on case-preserving
# filesystems sometimes lose the exec bit; this normalizes it.
chmod +x "$hooks_dir"/* 2>/dev/null || true

git config core.hooksPath .githooks

cat <<EOF
✓ Git hooks installed.
  core.hooksPath = .githooks
  active hooks:  $(ls "$hooks_dir" | tr '\n' ' ')

These hooks enforce Conventional Commits and Conventional Branches.
Bypass with --no-verify when you need to (e.g. for emergency hotfixes).

To uninstall:  git config --unset core.hooksPath
EOF