tailored_hooks=
sample_hooks=
-for hook in commit-msg pre-commit; do
+for hook in commit-msg pre-commit prepare-commit-msg; do
cmp -- build-aux/git-hooks/$hook "$hooks/$hook" >/dev/null 2>&1 ||
tailored_hooks="$tailored_hooks $hook"
done
--- /dev/null
+#!/bin/sh
+# Check the format of GNU Emacs change log entries.
+
+# Copyright 2019 Free Software Foundation, Inc.
+
+# This file is part of GNU Emacs.
+
+# GNU Emacs is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
+
+COMMIT_MSG_FILE=$1
+COMMIT_SOURCE=$2
+SHA1=$3
+
+# Prefer gawk if available, as it handles NUL bytes properly.
+if type gawk >/dev/null 2>&1; then
+ awk=gawk
+else
+ awk=awk
+fi
+
+exec $awk '
+ # Catch the case when someone ran git-commit with -s option,
+ # which automatically adds Signed-off-by.
+ /^Signed-off-by: / {
+ print "'\''Signed-off-by:'\'' in commit message"
+ status = 1
+ }
+ END {
+ if (status != 0) {
+ print "Commit aborted; please see the file 'CONTRIBUTE'"
+ }
+ exit status
+ }
+' <"$COMMIT_MSG_FILE"