pebble/third_party/jerryscript/tools/check-signed-off.sh
2025-01-27 11:38:16 -08:00

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#!/bin/bash
# Copyright 2015-2016 Samsung Electronics Co., Ltd.
# Copyright 2016 University of Szeged
#
# 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.
# Usage
function print_usage
{
echo "Usage: $0 [--help] [--tolerant] [--travis]"
}
function print_help
{
echo "$0: Check Signed-off-by message of the latest commit"
echo ""
print_usage
echo ""
echo "Optional arguments:"
echo " --help print this help message"
echo " --tolerant check the existence of the message only but don't"
echo " require the name and email address to match the author"
echo " of the commit"
echo " --travis perform check in tolerant mode if on Travis CI and not"
echo " checking a pull request, perform strict check otherwise"
echo ""
echo "The last line of every commit message must follow the form of:"
echo "'JerryScript-DCO-1.0-Signed-off-by: NAME EMAIL', where NAME and EMAIL must"
echo "match the name and email address of the author of the commit (unless in"
echo "tolerant mode)."
}
# Processing command line
TOLERANT="no"
while [ "$#" -gt 0 ]
do
if [ "$1" == "--help" ]
then
print_help
exit 0
elif [ "$1" == "--tolerant" ]
then
TOLERANT="yes"
shift
elif [ "$1" == "--travis" ]
then
if [ "$TRAVIS_PULL_REQUEST" == "" ]
then
echo -e "\e[1;33mWarning! Travis-tolerant mode requested but not running on Travis CI! \e[0m"
elif [ "$TRAVIS_PULL_REQUEST" == "false" ]
then
TOLERANT="yes"
else
TOLERANT="no"
fi
shift
else
print_usage
exit 1
fi
done
# Determining latest commit
parent_hashes=(`git show -s --format=%p HEAD | head -1`)
if [ "${#parent_hashes[@]}" -eq 1 ]
then
commit_hash=`git show -s --format=%h HEAD | head -1`
elif [ "${#parent_hashes[@]}" -eq 2 ]
then
commit_hash=${parent_hashes[1]}
else
echo "$0: cannot handle commit with ${#parent_hashes[@]} parents ${parent_hashes[@]}"
exit 1
fi
# Checking the last line
actual_signed_off_by_line=`git show -s --format=%B $commit_hash | sed '/^$/d' | tr -d '\015' | tail -n 1`
if [ "$TOLERANT" == "no" ]
then
author_name=`git show -s --format=%an $commit_hash`
author_email=`git show -s --format=%ae $commit_hash`
required_signed_off_by_line="JerryScript-DCO-1.0-Signed-off-by: $author_name $author_email"
if [ "$actual_signed_off_by_line" != "$required_signed_off_by_line" ]
then
echo -e "\e[1;33mSigned-off-by message is incorrect. The following line should be at the end of the $commit_hash commit's message: '$required_signed_off_by_line'. \e[0m"
exit 1
fi
else
echo -e "\e[1;33mWarning! The name and email address of the author of the $commit_hash commit is not checked in tolerant mode! \e[0m"
if echo "$actual_signed_off_by_line" | grep -q -v '^JerryScript-DCO-1.0-Signed-off-by:'
then
echo -e "\e[1;33mSigned-off-by message is incorrect. The following line should be at the end of the $commit_hash commit's message: '$required_signed_off_by_line'. \e[0m"
exit 1
fi
fi
exit 0