40 lines
1.1 KiB
Bash
Executable file
40 lines
1.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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if git rev-parse --verify HEAD >/dev/null 2>&1
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then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=$(git hash-object -t tree /dev/null)
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fi
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diff="git diff-index --name-only --cached $against --diff-filter d"
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mapfile -t nix_files < <($diff -- '*.nix')
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mapfile -t all_files < <($diff)
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# Format staged nix files.
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if [[ -n "${nix_files[@]}" ]]; then
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# stash only unstaged changes, keeping staged changes
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old_stash=$(git rev-parse --quiet --verify refs/stash)
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git stash push --quiet --keep-index -m 'Unstaged changes before pre-commit hook'
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new_stash=$(git rev-parse --quiet --verify refs/stash)
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# format staged changes
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nixpkgs-fmt "${nix_files[@]}" \
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&& git add "${nix_files[@]}"
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# if unstaged changes were stashed reapply to working tree
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if [ "$old_stash" != "$new_stash" ]; then
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git stash pop --quiet
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fi
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fi
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# check editorconfig
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if ! editorconfig-checker -- "${all_files[@]}"; then
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printf "%b\n" \
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"\nCode is not aligned with .editorconfig" \
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"Review the output and commit your fixes" >&2
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exit 1
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fi
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