| | 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 |
projects / rfc1751 / blame_incremental