1 95fee1d4 2014-11-17 rsc #!/bin/sh
  2 95fee1d4 2014-11-17 rsc # From Gerrit Code Review 2.2.1
  3 95fee1d4 2014-11-17 rsc #
  4 95fee1d4 2014-11-17 rsc # Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
  5 95fee1d4 2014-11-17 rsc #
  6 95fee1d4 2014-11-17 rsc # Copyright (C) 2009 The Android Open Source Project
  7 95fee1d4 2014-11-17 rsc #
  8 95fee1d4 2014-11-17 rsc # Licensed under the Apache License, Version 2.0 (the "License");
  9 95fee1d4 2014-11-17 rsc # you may not use this file except in compliance with the License.
 10 95fee1d4 2014-11-17 rsc # You may obtain a copy of the License at
 11 95fee1d4 2014-11-17 rsc #
 12 95fee1d4 2014-11-17 rsc # http://www.apache.org/licenses/LICENSE-2.0
 13 95fee1d4 2014-11-17 rsc #
 14 95fee1d4 2014-11-17 rsc # Unless required by applicable law or agreed to in writing, software
 15 95fee1d4 2014-11-17 rsc # distributed under the License is distributed on an "AS IS" BASIS,
 16 95fee1d4 2014-11-17 rsc # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 17 95fee1d4 2014-11-17 rsc # See the License for the specific language governing permissions and
 18 95fee1d4 2014-11-17 rsc # limitations under the License.
 19 95fee1d4 2014-11-17 rsc #
 20 95fee1d4 2014-11-17 rsc 
 21 95fee1d4 2014-11-17 rsc CHANGE_ID_AFTER="Bug|Issue"
 22 95fee1d4 2014-11-17 rsc MSG="$1"
 23 95fee1d4 2014-11-17 rsc 
 24 95fee1d4 2014-11-17 rsc # Check for, and add if missing, a unique Change-Id
 25 95fee1d4 2014-11-17 rsc #
 26 95fee1d4 2014-11-17 rsc add_ChangeId() {
 27 95fee1d4 2014-11-17 rsc 	clean_message=`sed -e '
 28 95fee1d4 2014-11-17 rsc 		/^diff --git a\/.*/{
 29 95fee1d4 2014-11-17 rsc 			s///
 30 95fee1d4 2014-11-17 rsc 			q
 31 95fee1d4 2014-11-17 rsc 		}
 32 95fee1d4 2014-11-17 rsc 		/^Signed-off-by:/d
 33 95fee1d4 2014-11-17 rsc 		/^#/d
 34 95fee1d4 2014-11-17 rsc 	' "$MSG" | git stripspace`
 35 95fee1d4 2014-11-17 rsc 	if test -z "$clean_message"
 36 95fee1d4 2014-11-17 rsc 	then
 37 95fee1d4 2014-11-17 rsc 		return
 38 95fee1d4 2014-11-17 rsc 	fi
 39 95fee1d4 2014-11-17 rsc 
 40 95fee1d4 2014-11-17 rsc 	if grep -i '^Change-Id:' "$MSG" >/dev/null
 41 95fee1d4 2014-11-17 rsc 	then
 42 95fee1d4 2014-11-17 rsc 		return
 43 95fee1d4 2014-11-17 rsc 	fi
 44 95fee1d4 2014-11-17 rsc 
 45 95fee1d4 2014-11-17 rsc 	id=`_gen_ChangeId`
 46 95fee1d4 2014-11-17 rsc 	perl -e '
 47 95fee1d4 2014-11-17 rsc 		$MSG = shift;
 48 95fee1d4 2014-11-17 rsc 		$id = shift;
 49 95fee1d4 2014-11-17 rsc 		$CHANGE_ID_AFTER = shift;
 50 95fee1d4 2014-11-17 rsc 
 51 95fee1d4 2014-11-17 rsc 		undef $/;
 52 95fee1d4 2014-11-17 rsc 		open(I, $MSG); $_ = <I>; close I;
 53 95fee1d4 2014-11-17 rsc 		s|^diff --git a/.*||ms;
 54 95fee1d4 2014-11-17 rsc 		s|^#.*$||mg;
 55 95fee1d4 2014-11-17 rsc 		exit unless $_;
 56 95fee1d4 2014-11-17 rsc 
 57 95fee1d4 2014-11-17 rsc 		@message = split /\n/;
 58 95fee1d4 2014-11-17 rsc 		$haveFooter = 0;
 59 95fee1d4 2014-11-17 rsc 		$startFooter = @message;
 60 95fee1d4 2014-11-17 rsc 		for($line = @message - 1; $line >= 0; $line--) {
 61 95fee1d4 2014-11-17 rsc 			$_ = $message[$line];
 62 95fee1d4 2014-11-17 rsc 
 63 95fee1d4 2014-11-17 rsc 			if (/^[a-zA-Z0-9-]+:/ && !m,^[a-z0-9-]+://,) {
 64 95fee1d4 2014-11-17 rsc 				$haveFooter++;
 65 95fee1d4 2014-11-17 rsc 				next;
 66 95fee1d4 2014-11-17 rsc 			}
 67 95fee1d4 2014-11-17 rsc 			next if /^[ []/;
 68 95fee1d4 2014-11-17 rsc 			$startFooter = $line if ($haveFooter && /^\r?$/);
 69 95fee1d4 2014-11-17 rsc 			last;
 70 95fee1d4 2014-11-17 rsc 		}
 71 95fee1d4 2014-11-17 rsc 
 72 95fee1d4 2014-11-17 rsc 		@footer = @message[$startFooter+1..@message];
 73 95fee1d4 2014-11-17 rsc 		@message = @message[0..$startFooter];
 74 95fee1d4 2014-11-17 rsc 		push(@footer, "") unless @footer;
 75 95fee1d4 2014-11-17 rsc 
 76 95fee1d4 2014-11-17 rsc 		for ($line = 0; $line < @footer; $line++) {
 77 95fee1d4 2014-11-17 rsc 			$_ = $footer[$line];
 78 95fee1d4 2014-11-17 rsc 			next if /^($CHANGE_ID_AFTER):/i;
 79 95fee1d4 2014-11-17 rsc 			last;
 80 95fee1d4 2014-11-17 rsc 		}
 81 95fee1d4 2014-11-17 rsc 		splice(@footer, $line, 0, "Change-Id: I$id");
 82 95fee1d4 2014-11-17 rsc 
 83 95fee1d4 2014-11-17 rsc 		$_ = join("\n", @message, @footer);
 84 95fee1d4 2014-11-17 rsc 		open(O, ">$MSG"); print O; close O;
 85 95fee1d4 2014-11-17 rsc 	' "$MSG" "$id" "$CHANGE_ID_AFTER"
 86 95fee1d4 2014-11-17 rsc }
 87 95fee1d4 2014-11-17 rsc _gen_ChangeIdInput() {
 88 95fee1d4 2014-11-17 rsc 	echo "tree `git write-tree`"
 89 95fee1d4 2014-11-17 rsc 	if parent=`git rev-parse HEAD^0 2>/dev/null`
 90 95fee1d4 2014-11-17 rsc 	then
 91 95fee1d4 2014-11-17 rsc 		echo "parent $parent"
 92 95fee1d4 2014-11-17 rsc 	fi
 93 95fee1d4 2014-11-17 rsc 	echo "author `git var GIT_AUTHOR_IDENT`"
 94 95fee1d4 2014-11-17 rsc 	echo "committer `git var GIT_COMMITTER_IDENT`"
 95 95fee1d4 2014-11-17 rsc 	echo
 96 95fee1d4 2014-11-17 rsc 	printf '%s' "$clean_message"
 97 95fee1d4 2014-11-17 rsc }
 98 95fee1d4 2014-11-17 rsc _gen_ChangeId() {
 99 95fee1d4 2014-11-17 rsc 	_gen_ChangeIdInput |
100 95fee1d4 2014-11-17 rsc 	git hash-object -t commit --stdin
101 95fee1d4 2014-11-17 rsc }
102 95fee1d4 2014-11-17 rsc 
103 95fee1d4 2014-11-17 rsc 
104 95fee1d4 2014-11-17 rsc add_ChangeId