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git: add rebase helper script

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This is a script we have been using to rewrite commit messages when
upstreaming coreboot patches from the Chromium OS tree into coreboot
upstream.

Change-Id: I5442279c099dafe55cc97ccf09ee2bc2df4eca5f
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/9299
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Patrick Georgi
2015-04-03 17:06:48 -07:00
committed by Stefan Reinauer
parent 120aec0902
commit 1707a164c9
1 changed files with 47 additions and 0 deletions
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47
util/gitconfig/rebase.sh Executable file
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#!/bin/sh
# rebase.sh - rebase helper script
#
# This program 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; version 2 of the License.
#
# This program 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.
#
# Adapt to your remote branch:
BRANCH="cros/chromeos-2013.04"
# When pulling in patches from another tree from a gerrit repository,
# do the following at the end of a larger cherry-pick series:
# git remote add ...
# git checkout -b upstreaming
# git cherry-pick ...
# git rebase -i --exec util/gitconfig/rebase.sh master
# Alternatively, you can run util/gitconfig/rebase.sh after every
# individual cherry-pick.
commit_message() {
git log -n 1 | grep "^ " | cut -c5-
}
CHID=$( commit_message | grep -i "^Change-Id: I" )
CID=$( git log -n1 --grep "^$CHID$" --pretty=%H $BRANCH )
GUID="$(git config user.name) <$(git config user.email)>"
# TBD: Don't add Original- to empty lines, and possibly make script more
# solid for commits with an unexpected order of meta data lines.
commit_message | tac | awk '/^$/ {
if (end==0)
print "Original-Commit-Id: '"$CID"'\nSigned-off-by: '"$GUID"'";
end=1
}; {
if (end==0)
print "Original-" $0;
else
print $0;
}' | tac | git commit --amend -F -