projects / rfc1751 / blame
| Commit | Line | Data |
|---|---|---|
| 27ff981f SW |
1 | #! /usr/bin/env nix-shell |
| 2 | #! nix-shell -i bash -p shfmt | |
| 3 | # shellcheck shell=bash | |
| 4 | ||
| 5 | # Copy me to .git/hooks/pre-commit | |
| 6 | ||
| 7 | set -euo pipefail | |
| 8 | ||
| 9 | tmpdir= | |
| 10 | cleanup_tmpdir() { | |
| 11 | if [[ "$tmpdir" && -e "$tmpdir" ]];then | |
| 12 | rm -rf "$tmpdir" | |
| 13 | fi | |
| 14 | } | |
| 15 | trap cleanup_tmpdir EXIT | |
| 16 | ||
| 17 | # Check out the git index (what's about to be committed) in a temporary | |
| 18 | # directory & run the supplied command there. | |
| 19 | in_git_index_in_tmpdir() { | |
| 20 | tmpdir=$(mktemp -d) | |
| 21 | [[ "$tmpdir" && -d "$tmpdir" ]] | |
| 22 | start_index=$(sha256sum "${GIT_INDEX_FILE:-.git/index}") | |
| 23 | git checkout-index --prefix="$tmpdir/" -a | |
| 24 | pushd "$tmpdir" | |
| 25 | "$@" | |
| 26 | popd | |
| 27 | end_index=$(sha256sum "${GIT_INDEX_FILE:-.git/index}") | |
| 28 | if [[ "$start_index" != "$end_index" ]];then | |
| 29 | echo "Index changed while pre-commit tests were running. Aborting!" | |
| 30 | exit 1 | |
| 31 | fi | |
| 32 | } | |
| 33 | ||
| 34 | verify() { | |
| 35 | nix-shell --arg lint true --run './test.sh lint' | |
| 36 | } | |
| 37 | ||
| 38 | in_git_index_in_tmpdir verify |