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https://https.git.savannah.gnu.org/git/guix.git/
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b93b7c4a91
Update our copy to the latest version retrieved from <https://gerrit.googlesource.com/gerrit/+/refs/heads/master/resources/com/google/gerrit/server/tools/root/hooks/commit-msg>. This change contains an improved version which avoids creating duplicate Change-Id git trailer when rebasing. * etc/git/commit-msg: Update to latest version, taking care to preserve our changes. Change-Id: Ie6ae6aa5e81cd4fce28a6be5cd68ca0a61cdebc0
123 lines
3.4 KiB
Bash
Executable file
123 lines
3.4 KiB
Bash
Executable file
#!/bin/sh
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# From Gerrit Code Review 3.11.1.
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#
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# Part of Gerrit Code Review (https://www.gerritcodereview.com/)
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#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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### Guix modifications start
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COMMIT_MSG_MAGIC=VGhpcyBpcyB0aGUgY29tbWl0LW1zZyBob29rIG9mIEd1aXg=
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top=$(git rev-parse --show-toplevel)
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if test -d "$top/.git/hooks/commit-msg.d/"; then
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for msg_hook in "$top/.git/hooks/commit-msg.d/"*; do
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if ! sh "$msg_hook"; then
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echo "error while running $msg_hook"
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exit 1
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fi
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done
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fi
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### Guix modifications end
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set -u
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# avoid [[ which is not POSIX sh.
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if test "$#" != 1 ; then
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echo "$0 requires an argument."
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exit 1
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fi
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if test ! -f "$1" ; then
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echo "file does not exist: $1"
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exit 1
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fi
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# Do not create a change id if requested
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case "$(git config --get gerrit.createChangeId)" in
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false)
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exit 0
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;;
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always)
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;;
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*)
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# Do not create a change id for squash/fixup commits.
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if head -n1 "$1" | LC_ALL=C grep -q '^[a-z][a-z]*! '; then
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exit 0
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fi
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;;
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esac
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if git rev-parse --verify HEAD >/dev/null 2>&1; then
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refhash="$(git rev-parse HEAD)"
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else
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refhash="$(git hash-object -t tree /dev/null)"
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fi
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random=$({ git var GIT_COMMITTER_IDENT ; echo "$refhash" ; cat "$1"; } | git hash-object --stdin)
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dest="$1.tmp.${random}"
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trap 'rm -f "$dest" "$dest-2"' EXIT
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if ! cat "$1" | sed -e '/>8/q' | git stripspace --strip-comments > "${dest}" ; then
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echo "cannot strip comments from $1"
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exit 1
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fi
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if test ! -s "${dest}" ; then
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echo "file is empty: $1"
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exit 1
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fi
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reviewurl="$(git config --get gerrit.reviewUrl)"
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if test -n "${reviewurl}" ; then
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token="Link"
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value="${reviewurl%/}/id/I$random"
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pattern=".*/id/I[0-9a-f]\{40\}"
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else
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token="Change-Id"
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value="I$random"
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pattern=".*"
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fi
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if git interpret-trailers --parse < "$1" | grep -q "^$token: $pattern$" ; then
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exit 0
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fi
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# There must be a Signed-off-by trailer for the code below to work. Insert a
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# sentinel at the end to make sure there is one.
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# Avoid the --in-place option which only appeared in Git 2.8
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if ! git interpret-trailers \
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--trailer "Signed-off-by: SENTINEL" < "$1" > "$dest-2" ; then
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echo "cannot insert Signed-off-by sentinel line in $1"
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exit 1
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fi
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# Make sure the trailer appears before any Signed-off-by trailers by inserting
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# it as if it was a Signed-off-by trailer and then use sed to remove the
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# Signed-off-by prefix and the Signed-off-by sentinel line.
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# Avoid the --in-place option which only appeared in Git 2.8
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# Avoid the --where option which only appeared in Git 2.15
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if ! git -c trailer.where=before interpret-trailers \
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--trailer "Signed-off-by: $token: $value" < "$dest-2" |
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sed -e "s/^Signed-off-by: \($token: \)/\1/" \
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-e "/^Signed-off-by: SENTINEL/d" > "$dest" ; then
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echo "cannot insert $token line in $1"
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exit 1
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fi
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if ! mv "${dest}" "$1" ; then
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echo "cannot mv ${dest} to $1"
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exit 1
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fi
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