1  #!/usr/bin/env sh
 2  # cross-repo-cherrypick - rebase helper script
 3  #
 4  # SPDX-License-Identifier: GPL-2.0-only
 5  
 6  # Adapt to your remote branch:
 7  BRANCH="origin/main"
 8  
 9  # When pulling in patches from another tree from a gerrit repository,
10  # do the following at the end of a larger cherry-pick series:
11  #  git remote add ...
12  #  git checkout -b upstreaming
13  #  git cherry-pick ...
14  #  git rebase -i --exec util/scripts/cross-repo-cherrypick master
15  # Alternatively, you can run util/scripts/cross-repo-cherrypick after every
16  # individual cherry-pick.
17  
18  # use $0 --cros to add a stub BUG/BRANCH/TEST block
19  
20  commit_message() {
21  	git log -n 1 | grep "^    " | cut -c5-
22  }
23  
24  ORIGIN_HOST=$( commit_message |grep "^Reviewed-on: " |head -1 |cut -d/ -f3 )
25  case "${ORIGIN_HOST}" in
26  	review.coreboot.org)
27  		BRANCH="origin/main"
28  		MESSAGE_PREFIX="UPSTREAM: "
29  		;;
30  	chromium-review.googlesource.com)
31  		BRANCH="cros/main"
32  		MESSAGE_PREFIX=""
33  		;;
34  esac
35  
36  # lines must be backwards due to tac(1)
37  SPLICE_CMD=""
38  if test "$1" = "--cros"; then
39  	if test -z "$(commit_message | grep -E '^(BUG|TEST)=')"; then
40  		SPLICE_CMD='print "\nTEST=none\nBRANCH=none\nBUG=none\n"'
41  	fi
42  fi
43  
44  CHID=$( commit_message | grep -i "^Change-Id: I" )
45  CID=$( git log -n1 --grep "^$CHID$" --pretty=%H $BRANCH )
46  GUID="$(git config user.name) <$(git config user.email)>"
47  
48  # TBD: Don't add Original- to empty lines, and possibly make script more
49  # solid for commits with an unexpected order of meta data lines.
50  
51  (printf "${MESSAGE_PREFIX}"; commit_message) | tac | awk '/^$/ {
52  		if (end==0) {
53  			print "GitOrigin-RevId: '"${CID}"'\nSigned-off-by: '"${GUID}"'";
54  			'"${SPLICE_CMD}"'
55  		}
56  		end=1
57  	}; /^(BUG|BRANCH|TEST)=/ {
58  		if (end==0) {
59  			print "GitOrigin-RevId: '"${CID}"'\nSigned-off-by: '"${GUID}"'";
60  			print "";
61  		}
62  		end=1
63  	}; /^Cq-Depend:/ {
64  		print $0;
65  		next
66  	}; /^Change-Id:/ {
67  		print $0;
68  		next
69  	}; {
70  		if (end==0)
71  			print "Original-" $0;
72  		else
73  			print $0;
74  	}' | tac | git commit --amend -F -