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|
#!/bin/sh
#
# Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
#
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
CHANGE_ID_AFTER="Bug|Issue|Task-number"
MSG="$1"
# Check for, and add if missing, a unique Change-Id
#
add_ChangeId() {
clean_message=`sed -e '
/^diff --git a\/.*/{
s///
q
}
/^Signed-off-by:/d
/^#/d
' "$MSG" | git stripspace`
if test -z "$clean_message"
then
return
fi
if grep -i '^Change-Id:' "$MSG" >/dev/null
then
return
fi
id=`_gen_ChangeId`
perl -e '
$MSG = shift;
$id = shift;
$CHANGE_ID_AFTER = shift;
undef $/;
open(I, $MSG); $_ = <I>; close I;
s|^diff --git a/.*||ms;
s|^#.*$||mg;
exit unless $_;
@message = split /\n/;
$haveFooter = 0;
$startFooter = @message;
for($line = @message - 1; $line >= 2; $line--) {
$_ = $message[$line];
if (/^[a-zA-Z0-9-]+:/ && !m,^[a-z0-9-]+://,) {
$haveFooter++;
next;
}
next if /^[ []/;
$startFooter = $line if ($haveFooter && /^\r?$/);
last;
}
@footer = @message[$startFooter+1..@message];
@message = @message[0..$startFooter];
push(@footer, "") unless @footer;
for ($line = 0; $line < @footer; $line++) {
$_ = $footer[$line];
next if /^($CHANGE_ID_AFTER):/i;
last;
}
splice(@footer, $line, 0, "Change-Id: I$id");
$_ = join("\n", @message, @footer);
open(O, ">$MSG"); print O; close O;
' "$MSG" "$id" "$CHANGE_ID_AFTER"
}
_gen_ChangeIdInput() {
echo "tree `git write-tree`"
if parent=`git rev-parse HEAD^0 2>/dev/null`
then
echo "parent $parent"
fi
echo "author `git var GIT_AUTHOR_IDENT`"
echo "committer `git var GIT_COMMITTER_IDENT`"
echo
printf '%s' "$clean_message"
}
_gen_ChangeId() {
_gen_ChangeIdInput |
git hash-object -t commit --stdin
}
add_ChangeId
|
