mirror of
https://github.com/apache/cloudstack.git
synced 2025-10-26 08:42:29 +01:00
239 lines
8.7 KiB
Bash
Executable File
239 lines
8.7 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Should we clean-up?
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cleanup=1
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clean_up_and_exit() {
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if [ "${cleanup}" -eq 1 ]; then
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echo
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git branch -D pr/${prId} >/dev/null 2>&1
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rm ${jsonTmp} ${tmpMessageFile} >/dev/null 2>&1
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fi
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exit $1
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}
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# Arguments
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argument=$1
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prId=${argument}
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force=0
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if [[ "${2}" == "--force" ]]; then
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force=1
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fi
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# Some of us got used to a git pr alias that you had to feed with the PR url
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# Let's make this script backwards compatible with the previous one.
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if [[ ${argument} =~ https://github.com.* ]]; then
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prId=$(echo "${argument}" | awk -F/ {'print $7'})
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echo "INFO: Found PR id ${prId} from url"
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fi
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# Check the arguments
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if [ -z ${prId} ]; then
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echo "Usage: git pr pool-request-number [ --force ]"
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echo "Works for any Apache repository mirrored on GitHub'"
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echo "For instructions, see: https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61311655"
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clean_up_and_exit 1
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fi
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# Vars we need
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jsonTmp="${PWD}/${prId}.json"
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tmpMessageFile="${PWD}/.git-tmp-message.txt"
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repoName=$(basename `git rev-parse --show-toplevel`)
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# We need UTF-8 to support the GitHub '...' 3-dots-in-1-char, for example.
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export LANG="en_EN.UTF-8"
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if [ "${prId}" -eq "${prId}" 2>/dev/null ]; then
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# Get json data from Github API
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curl -s https://api.github.com/repos/apache/${repoName}/pulls/${prId} > ${jsonTmp}
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else
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echo "ERROR: Pull-request id must be an integer, not '${prId}'"
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clean_up_and_exit 1
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fi
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# Get vars from the GitHub API and parse the returned json
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prAuthor=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['user']['login'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('')
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")
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prTitle=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['title'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('')
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")
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prBody=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['body'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('')
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")
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prOriginBranch=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['head']['label'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('')
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" | sed -e "s/:/\//")
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prState=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['state'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('Unknown')
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")
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prMergeableState=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['mergeable_state'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('Unknown')
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")
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prDestinationBranch=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['base']['ref'].encode('utf-8').decode('ascii','ignore'))
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except:
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print ('Unknown')
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")
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prCommits=$(cat ${jsonTmp} | python3 -c "
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try:
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import sys, json
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print (json.load(sys.stdin)['commits'])
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except:
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print ('Unknown')
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")
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# Do some sanity checking
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if [ ${#prAuthor} -eq 0 ]; then
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echo "ERROR: We couldn't grab the PR author. Something went wrong querying the GitHub API."
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clean_up_and_exit 1
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fi
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if [ ${#prTitle} -eq 0 ]; then
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echo "ERROR: We couldn't grab the PR title. Something went wrong querying the GitHub API."
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clean_up_and_exit 1
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fi
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if [ ${#prOriginBranch} -eq 0 ]; then
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echo "ERROR: We couldn't grab the PR branch name. Something went wrong querying the GitHub API."
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clean_up_and_exit 1
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fi
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currentBranch=$(git branch | grep "^*" | sed -e "s/^[*] //")
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if [ "${prDestinationBranch}" != "${currentBranch}" ] && [ ${force} -lt 1 ]; then
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echo "ERROR: This PR is made against branch '${prDestinationBranch}' while your current checked out branch is '${currentBranch}'."
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echo "ERROR: Please make sure you're in the right branch and run this scipt again."
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clean_up_and_exit 1
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elif [ "${prDestinationBranch}" != "${currentBranch}" ] && [ ${force} -eq 1 ]; then
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echo "WARNING: You used --force to merge to '${currentBranch}' while this PR is for branch '${prDestinationBranch}'."
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fi
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if [ "${prState}" != "open" ] && [ ${force} -lt 1 ]; then
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echo "ERROR: We couldn't merge the PR because the state is not 'open' but '${prState}'."
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echo "ERROR: In general it's a bad idea to merge closed PRs!"
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echo "ERROR: Run this script again with --force if you know what you're doing"
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echo "ERROR: (continuing work on an abandoned PR in which case you'd merge to a branch in your fork"
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echo "ERROR: and send that as a new PR). Ask for help on @dev if unsure."
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clean_up_and_exit 1
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elif [ "${prState}" != "open" ] &&[ ${force} -eq 1 ]; then
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echo "WARNING: You used --force to merge a PR with state '${prState}'."
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fi
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if [ "${prMergeableState}" != "clean" ] && [ ${force} -lt 1 ]; then
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echo "ERROR: We couldn't merge the PR because it cannot be merged 'clean' (GitHub reports '${prMergeableState}')."
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echo "ERROR: This can be caused by a Travis build in progress, a failed Travis build or an unclean merge (conflicts)"
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echo "ERROR: Run this script again with --force if you know what you're doing. Ask for help on @dev if unsure."
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clean_up_and_exit 1
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elif [ "${prMergeableState}" != "clean" ] && [ ${force} -eq 1 ]; then
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echo "WARNING: You used --force to merge a PR with non-clean merge state '${prMergeableState}'."
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fi
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github_remote=$(git remote -v | grep -E "apache/${repoName}(.git)?" | head -n 1 | cut -f1)
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apache_remote=$(git remote -v | grep -E "git-wip-us\.apache\.org" | head -n 1 | cut -f1)
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if [ ${#github_remote} -eq 0 ]; then
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echo "ERROR: We couldn't find a git remote pointing to 'apache/${repoName}.git' to merge the PR from."
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echo "INFO: Currently, your configured remotes are:"
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echo "INFO: ***********************************************************************************"
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git remote -v
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echo "INFO: ***********************************************************************************"
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echo "INFO: To merge a PR, we need access to two remotes: "
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echo "INFO: 1. Read-only access to GitHub mirror"
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echo "INFO: 2. Read/write access to Apache git"
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echo "INFO: Please add a remote like this: 'git remote add github https://github.com/apache/${repoName}.git'"
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echo "INFO: For more help, visit: https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61311655"
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echo "INFO: Once done, run this script again."
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clean_up_and_exit 1
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fi
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echo "INFO: Using remote repository '${github_remote}' to fetch PR (should point to github.com/apache/${repoName}.git)"
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echo "INFO: PR #${prId} against branch '${prDestinationBranch}' from '${prAuthor}': '${prTitle}'"
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echo "INFO: has state '${prState}' and mergable state '${prMergeableState}', about to be merged in branch '${currentBranch}'."
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# Construct commit merge message
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echo "Merge pull request #${prId} from ${prOriginBranch}" > ${tmpMessageFile}
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echo "" >> ${tmpMessageFile}
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echo "${prTitle}${prBody}" >> ${tmpMessageFile}
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# Are you sure?
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echo "ATTENTION: Merging pull request #${prId} from ${prOriginBranch} into '${currentBranch}' branch in 5 seconds. CTRL+c to abort.."
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sec=5
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while [ $sec -ge 0 ]; do
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printf "${sec} "
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sec=$((sec-1))
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sleep 1
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done
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echo
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echo "INFO: Executing the merge now.. Git output below:"
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echo "INFO: ***********************************************************************************"
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# Do the actual merge
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git fetch ${github_remote} pull/${prId}/head:pr/${prId}
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git merge --no-ff --log -m "$(cat ${tmpMessageFile})" pr/${prId}
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if [ $? -eq 0 ]; then
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git commit --amend -s --allow-empty-message -m ''
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else
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echo "ERROR: Merge failed, aborting."
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git merge --abort
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clean_up_and_exit 1
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fi
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# What's next
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echo "INFO: ***********************************************************************************"
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echo "INFO: Merged successfully! Please double check using 'git log -p' and 'git push' when you're sure."
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echo "INFO: About commits: there should be ${prCommits} from the PR plus 1 merge commit."
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echo "INFO: Actual diff in commits is: (running git log --pretty=oneline --abbrev-commit ${apache_remote}/${currentBranch}..${currentBranch})"
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echo
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git log --pretty=oneline --abbrev-commit ${apache_remote}/${currentBranch}..${currentBranch}
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clean_up_and_exit 0
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