libreoffice-online/.git-hooks/commit-msg
Miklos Vajna 32517390e8 git hooks: commit msg: allow to opt in for auto-sign-off
Just the subset when author and the committer is the same.

Signed-off-by: Miklos Vajna <vmiklos@collabora.com>
Change-Id: Icff594a6a82bd0395e31f8e46cb56cb0e046e638
2020-11-04 14:37:27 +01:00

91 lines
2.8 KiB
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Executable file

#!/bin/sh
# From Gerrit Code Review 3.2.3-2011-g97ae1c0e08
#
# Part of Gerrit Code Review (https://www.gerritcodereview.com/)
#
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# avoid [[ which is not POSIX sh.
if test "$#" != 1 ; then
echo "$0 requires an argument."
exit 1
fi
if test ! -f "$1" ; then
echo "file does not exist: $1"
exit 1
fi
# $RANDOM will be undefined if not using bash, so don't use set -u
random=$( (whoami ; hostname ; date; cat $1 ; echo $RANDOM) | git hash-object --stdin)
dest="$1.tmp.${random}"
trap 'rm -f "${dest}"' EXIT
GIT_AUTHOR="$(git var GIT_AUTHOR_IDENT | sed 's/^\(.*>\).*$/\1/')"
GIT_COMMITTER="$(git var GIT_COMMITTER_IDENT | sed 's/^\(.*>\).*$/\1/')"
git config --bool --get commit.signOff >/dev/null
if [ $? = 0 -a "${GIT_AUTHOR}" = "${GIT_COMMITTER}" ]; then
SOB="Signed-off-by: ${GIT_AUTHOR}"
git -c trailer.ifexists=doNothing interpret-trailers \
--trailer "${SOB}" < "$1" > "${dest}"
mv "${dest}" "$1"
fi
if ! grep -q "^Signed-off-by:" "$1"; then
echo "Commit message is not signed off: $1"
echo "Use 'git commit -s' to sign off the commit message."
echo "Use 'git config commit.signOff true' to automatically sign off commits."
exit 1
fi
# Do not create a change id if requested
if test "false" = "`git config --bool --get gerrit.createChangeId`" ; then
exit 0
fi
if ! git stripspace --strip-comments < "$1" > "${dest}" ; then
echo "cannot strip comments from $1"
exit 1
fi
if test ! -s "${dest}" ; then
echo "file is empty: $1"
exit 1
fi
reviewurl="$(git config --get gerrit.reviewUrl)"
if test -n "${reviewurl}" ; then
if ! git interpret-trailers --parse < "$1" | grep -q '^Link:.*/id/I[0-9a-f]\{40\}$' ; then
if ! git interpret-trailers \
--trailer "Link: ${reviewurl%/}/id/I${random}" < "$1" > "${dest}" ; then
echo "cannot insert link footer in $1"
exit 1
fi
fi
else
# Avoid the --in-place option which only appeared in Git 2.8
# Avoid the --if-exists option which only appeared in Git 2.15
if ! git -c trailer.ifexists=doNothing interpret-trailers \
--trailer "Change-Id: I${random}" < "$1" > "${dest}" ; then
echo "cannot insert change-id line in $1"
exit 1
fi
fi
if ! mv "${dest}" "$1" ; then
echo "cannot mv ${dest} to $1"
exit 1
fi