check-commit-hooks

#!/usr/bin/env sh
# Copyright (C) 2025 Yubico AB - See COPYING
#
# This script checks that the individual commits within a given revision range
# respect desired properties.

set -eu
exec 1>&2

: "${1:?revision range}"

: "${GIT_TOPLEVEL:=$(git rev-parse --show-toplevel)}"
export GIT_TOPLEVEL

COMMIT_MSG_HOOK="$GIT_TOPLEVEL/contrib/hooks/commit-msg"

check_commit() {
  git show --pretty='%B' --no-patch "$1" | "$COMMIT_MSG_HOOK"
} 2>&1

CHECKED=0
EXVAL=0

for HASH in $(git log --no-merges --oneline --format=%H "$1"); do
  SUBJECT="$(git show --pretty='%s' --no-patch "$HASH")"

  if ERROR_MSG="$(check_commit "$HASH")"
  then
    echo "$HASH (\"$SUBJECT\"): OK"
  else
    echo "$HASH (\"$SUBJECT\"): NOK"
    printf "%s\n" "$ERROR_MSG" | sed "s/^/  Error:   /"
    printf "\n"

    EXVAL=1
  fi

  CHECKED=$((CHECKED + 1))
done

echo "Checked $CHECKED commits"
exit $EXVAL