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#!/bin/sh
# cross-repo-cherrypick - 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="origin/master"
# 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/scripts/cross-repo-cherrypick master
# Alternatively, you can run util/scripts/cross-repo-cherrypick after every
# individual cherry-pick.
# use $0 --cros to add a stub BUG/BRANCH/TEST block
commit_message() {
git log -n 1 | grep "^ " | cut -c5-
}
ORIGIN_HOST=$( commit_message |grep "^Reviewed-on: " |head -1 |cut -d/ -f3 )
case "${ORIGIN_HOST}" in
review.coreboot.org)
BRANCH="origin/master"
MESSAGE_PREFIX="UPSTREAM: "
;;
chromium-review.googlesource.com)
BRANCH="cros/chromeos-2016.05"
MESSAGE_PREFIX=""
;;
esac
# lines must be backwards due to tac(1)
SPLICE_CMD=""
if test "$1" = "--cros"; then
if test -z "$( commit_message |egrep '^(BUG|TEST)=')"; then
SPLICE_CMD='print "\nTEST=none\nBRANCH=none\nBUG=none\n"'
fi
fi
CHID=$( commit_message | grep -i "^Change-Id: I" )
CID=$( git log -n1 --grep "^$CHID$" --pretty=%H $BRANCH )
GUID="$(git config user.name) <$(git config user.email)>"
# TBD: Don't add Original- to empty lines, and possibly make script more
# solid for commits with an unexpected order of meta data lines.
(printf "${MESSAGE_PREFIX}"; commit_message) | tac | awk '/^$/ {
if (end==0) {
print "Original-Commit-Id: '"${CID}"'\nSigned-off-by: '"${GUID}"'";
'"${SPLICE_CMD}"'
}
end=1
}; /^(BUG|BRANCH|TEST|CQ-DEPEND)=/ {
if (end==0) {
print "Original-Commit-Id: '"${CID}"'\nSigned-off-by: '"${GUID}"'";
print "";
}
end=1
}; {
if (end==0)
print "Original-" $0;
else
print $0;
}' | tac | git commit --amend -F -
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