forked from xuos/xiuos
111 lines
3.4 KiB
Bash
111 lines
3.4 KiB
Bash
#!/bin/bash
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# Copyright JS Foundation and other contributors, http://js.foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Usage
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function print_usage
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{
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echo "Usage: $0 [--help] [--tolerant] [--gh-actions]"
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}
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function print_help
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{
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echo "$0: Check Signed-off-by message of the latest commit"
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echo ""
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print_usage
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echo ""
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echo "Optional arguments:"
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echo " --help print this help message"
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echo " --tolerant check the existence of the message only but don't"
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echo " require the name and email address to match the author"
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echo " of the commit"
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echo " --gh-actions perform check in tolerant mode if on GitHub-Actions and not"
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echo " checking a pull request, perform strict check otherwise"
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echo ""
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echo "The last line of every commit message must follow the form of:"
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echo "'JerryScript-DCO-1.0-Signed-off-by: NAME EMAIL', where NAME and EMAIL must"
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echo "match the name and email address of the author of the commit (unless in"
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echo "tolerant mode)."
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}
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# Processing command line
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TOLERANT="no"
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while [ "$#" -gt 0 ]
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do
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if [ "$1" == "--help" ]
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then
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print_help
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exit 0
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elif [ "$1" == "--tolerant" ]
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then
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TOLERANT="yes"
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shift
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elif [ "$1" == "--gh-actions" ]
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then
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if [ "$GITHUB_EVENT_NAME" == "" ]
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then
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echo -e "\e[1;33mWarning! GitHub-Actions-tolerant mode requested but not running on GitHub-Actions! \e[0m"
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elif [ "$GITHUB_EVENT_NAME" == "pull_request" ]
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then
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TOLERANT="no"
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else
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TOLERANT="yes"
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fi
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shift
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else
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print_usage
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exit 1
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fi
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done
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# Determining latest commit
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parent_hashes=(`git show -s --format=%p HEAD | head -1`)
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if [ "${#parent_hashes[@]}" -eq 1 ]
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then
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commit_hash=`git show -s --format=%h HEAD | head -1`
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elif [ "${#parent_hashes[@]}" -eq 2 ]
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then
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commit_hash=${parent_hashes[1]}
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else
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echo "$0: cannot handle commit with ${#parent_hashes[@]} parents ${parent_hashes[@]}"
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exit 1
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fi
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# Checking the last line
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actual_signed_off_by_line=`git show -s --format=%B $commit_hash | sed '/^$/d' | tr -d '\015' | tail -n 1`
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if [ "$TOLERANT" == "no" ]
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then
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author_name=`git show -s --format=%an $commit_hash`
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author_email=`git show -s --format=%ae $commit_hash`
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required_signed_off_by_line="JerryScript-DCO-1.0-Signed-off-by: $author_name $author_email"
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if [ "$actual_signed_off_by_line" != "$required_signed_off_by_line" ]
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then
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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"
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exit 1
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fi
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else
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echo -e "\e[1;33mWarning! The name and email address of the author of the $commit_hash commit is not checked in tolerant mode! \e[0m"
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if echo "$actual_signed_off_by_line" | grep -q -v '^JerryScript-DCO-1.0-Signed-off-by:'
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then
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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"
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exit 1
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fi
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fi
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exit 0
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