os/shell/hooks/pre-commit.sh

33 lines
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#!/usr/bin/env bash
if git rev-parse --verify HEAD >/dev/null 2>&1
then
against=HEAD
else
# Initial commit: diff against an empty tree object
against=$(${git}/bin/git hash-object -t tree /dev/null)
fi
diff="git diff-index --name-only --cached $against --diff-filter d"
nix_files=($($diff -- '*.nix'))
all_files=($($diff))
# Format staged nix files.
if (( ${#nix_files[@]} != 0 )); then
nixpkgs-fmt "${nix_files[@]}" \
&& git add "${nix_files[@]}"
fi
# check editorconfig
if (( ${#all_files[@]} != 0 )); then
editorconfig-checker -- "${all_files[@]}"
fi
if [[ $? != '0' ]]; then
printf "%b\n" \
"\nCode is not aligned with .editorconfig" \
"Review the output and commit your fixes" >&2
exit 1
fi