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|
#!/bin/sh
#
# An example hook script to check the commit log message.
# Called by git-commit with one argument, the name of the file
# that has the commit message. The hook should exit with non-zero
# status after issuing an appropriate message if it wants to stop the
# commit. The hook is allowed to edit the commit message file.
#
# To enable this hook, make this file executable.
# Uncomment the below to add a Signed-off-by line to the message.
# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
# This example catches duplicate Signed-off-by lines.
base_dir=$(dirname $0)
MSG="$1"
abort() {
cp $1 $1.save
cat >&2 <<EOF
Commit aborted, your commit message was saved as '$1.save'.
Reason: $2
EOF
exit 1
}
test "" = "$(grep '^Signed-off-by: ' "$1" |
sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || {
abort "$1" "Duplicate Signed-off-by lines."
}
# Check that the first line exists, and is not an asterisk
if [ -z "`head -n 1 $1 | grep -v '^[[:blank:]]*\*$'`" ] ; then
abort "$1" "Please provide the general description on the first line."
fi
# ...and that it is not too long
if [ "`head -n 1 $1 | wc -c`" -gt 79 ] ; then
abort "$1" "The first line is too long, please try to fit into 79 characters."
fi
# ...and that it does not continue on the second line
if [ "`wc -l < $1`" -gt 1 -a -n "`head -n 2 $1 | tail -n 1 | sed 's/^#.*//'`" ] ; then
abort "$1" "The second line is not empty - maybe the first line continues there?"
fi
# Check that the message is not a ChangeLog-like one
if [ -n "`head -n 1 $1 | grep '^[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}.*<.*@.*>'`" ] ; then
abort "$1" "The commit message looks like ChangeLog, please use the git form."
fi
# Check for whitespace in front of *'s
if [ -n "`sed '/^#/,$d' $1 | grep '^[[:space:]]\+\*.*:'`" -a -z "`grep '^\*' $1`" ] ; then
abort "$1" "Please don't use whitespace in front of '* file: Description.' entries."
fi
# Check that lines do not start with '#<something>' (possibly accidental commit,
# such as starting the message with '#ifdef', git commits start with '#<whitespace>'.
if [ -n "`grep '^#[^[:blank:]]' $1`" ] ; then
abort "$1" "Possible accidental comment in the commit message (leading # without space)."
fi
#------------------ copied gerrit commit-msg hook to handle ChangeId -->
# From Gerrit Code Review 2.3
#
# Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
#
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
CHANGE_ID_AFTER="Bug|Issue"
# Check for, and add if missing, a unique Change-Id
#
add_ChangeId() {
clean_message=`sed -e '
/^diff --git a\/.*/{
s///
q
}
/^Signed-off-by:/d
/^#/d
' "$MSG" | git stripspace`
if test -z "$clean_message"
then
return
fi
id=`grep -i '^Change-Id:' "$MSG" | sed -e "s/.*: I//"`
temp_msg=`grep -v -i '^Change-Id:' "$MSG"`
echo "$temp_msg" > "$MSG"
if test -z "$id"
then
id=`_gen_ChangeId`
fi
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 >= 0; $line--) {
$_ = $message[$line];
if (/^[a-zA-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
#------------------ copied gerrit commit-msg hook to handle ChangeId <--
exit 0
|
