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commit-msg
executable file
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/
commit-msg
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#!/bin/sh
# From Gerrit Code Review v2.0.19.1-4-g21d307b
#
# 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.
#
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)
out="$MSG.OUT"
ftt="$MSG.FTT"
sed -e '2,${
/^[A-Za-z][A-Za-z0-9-]*: /,$d
}' <"$MSG" >"$out"
sed -ne '2,${
/^[A-Za-z][A-Za-z0-9-]*: /,$p
}' <"$MSG" >"$ftt"
if ! test -s "$ftt"
then
echo >>"$out"
fi
echo "Change-Id: I$id" >>"$out"
cat "$ftt" >>"$out"
mv -f "$out" "$MSG"
rm -f "$out" "$ftt"
}
_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