8005e09b26
Partially implements <https://issues.guix.gnu.org/66027>. This will make it possible to track a merged commit back to its original posting on the mailing list, and open the door to new opportunities such as closing fully merged series automatically. * Makefile.am (COMMIT_MSG_MAGIC): New variable. (.git/hooks/commit-msg): New target. * etc/git/commit-msg: New file. * doc/contributing.texi (Configuring Git): Document Change-Id. Series-changes: 3 - Clarify documentation text, as suggested by Simon Change-Id: Ia92fa958eae600fdd4e180bad494c85db8bb4dd6 Reviewed-by: Simon Tournier <zimon.toutoune@gmail.com>
95 lines
2.6 KiB
Bash
Executable File
95 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# From Gerrit Code Review 3.6.1
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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: $1"
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exit 1
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fi
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# Do not create a change id if requested
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if test "false" = "$(git config --bool --get gerrit.createChangeId)" ; then
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exit 0
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fi
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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}"' EXIT
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if ! git stripspace --strip-comments < "$1" > "${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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if ! git interpret-trailers --parse < "$1" | grep -q '^Link:.*/id/I[0-9a-f]\{40\}$' ; then
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if ! git interpret-trailers \
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--trailer "Link: ${reviewurl%/}/id/I${random}" < "$1" > "${dest}" ; then
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echo "cannot insert link footer in $1"
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exit 1
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fi
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fi
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else
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# Avoid the --in-place option which only appeared in Git 2.8
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# Avoid the --if-exists option which only appeared in Git 2.15
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if ! git -c trailer.ifexists=doNothing interpret-trailers \
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--trailer "Change-Id: I${random}" < "$1" > "${dest}" ; then
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echo "cannot insert change-id line in $1"
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exit 1
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fi
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fi
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if ! mv "${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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