mirror of
https://github.com/dashpay/dash.git
synced 2024-12-26 12:32:48 +01:00
Merge pull request #7378
da6d18b devtools: replace github-merge with python version (Wladimir J. van der Laan)This commit is contained in:
Wladimir J. van der Laan
commit
e6f97efbca
@ -11,10 +11,10 @@ Repository Tools
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### [Developer tools](/contrib/devtools) ###
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Specific tools for developers working on this repository.
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Contains the script `github-merge.sh` for merging github pull requests securely and signing them using GPG.
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Contains the script `github-merge.py` for merging github pull requests securely and signing them using GPG.
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### [Verify-Commits](/contrib/verify-commits) ###
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Tool to verify that every merge commit was signed by a developer using the above `github-merge.sh` script.
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Tool to verify that every merge commit was signed by a developer using the above `github-merge.py` script.
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### [Linearize](/contrib/linearize) ###
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Construct a linear, no-fork, best version of the blockchain.
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@ -56,14 +56,14 @@ Usage: `git-subtree-check.sh DIR COMMIT`
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`COMMIT` may be omitted, in which case `HEAD` is used.
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github-merge.sh
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github-merge.py
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===============
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A small script to automate merging pull-requests securely and sign them with GPG.
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For example:
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./github-merge.sh bitcoin/bitcoin 3077
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./github-merge.py 3077
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(in any git repository) will help you merge pull request #3077 for the
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bitcoin/bitcoin repository.
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223
contrib/devtools/github-merge.py
Executable file
223
contrib/devtools/github-merge.py
Executable file
@ -0,0 +1,223 @@
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#!/usr/bin/env python2
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# Copyright (c) 2016 Bitcoin Core Developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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# This script will locally construct a merge commit for a pull request on a
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# github repository, inspect it, sign it and optionally push it.
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# The following temporary branches are created/overwritten and deleted:
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# * pull/$PULL/base (the current master we're merging onto)
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# * pull/$PULL/head (the current state of the remote pull request)
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# * pull/$PULL/merge (github's merge)
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# * pull/$PULL/local-merge (our merge)
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# In case of a clean merge that is accepted by the user, the local branch with
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# name $BRANCH is overwritten with the merged result, and optionally pushed.
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from __future__ import division,print_function,unicode_literals
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import os,sys
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from sys import stdin,stdout,stderr
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import argparse
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import subprocess
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# External tools (can be overridden using environment)
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GIT = os.getenv('GIT','git')
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BASH = os.getenv('BASH','bash')
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def git_config_get(option, default=None):
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'''
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Get named configuration option from git repository.
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'''
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try:
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return subprocess.check_output([GIT,'config','--get',option]).rstrip()
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except subprocess.CalledProcessError as e:
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return default
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def retrieve_pr_title(repo,pull):
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'''
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Retrieve pull request title from github.
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Return None if no title can be found, or an error happens.
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'''
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import urllib2,json
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try:
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req = urllib2.Request("https://api.github.com/repos/"+repo+"/pulls/"+pull)
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result = urllib2.urlopen(req)
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result = json.load(result)
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return result['title']
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except Exception as e:
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print('Warning: unable to retrieve pull title from github: %s' % e)
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return None
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def ask_prompt(text):
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print(text,end=" ",file=stderr)
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reply = stdin.readline().rstrip()
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print("",file=stderr)
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return reply
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def parse_arguments(branch):
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epilog = '''
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In addition, you can set the following git configuration variables:
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githubmerge.repository (mandatory),
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user.signingkey (mandatory),
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githubmerge.host (default: git@github.com),
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githubmerge.branch (default: master),
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githubmerge.testcmd (default: none).
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'''
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parser = argparse.ArgumentParser(description='Utility to merge, sign and push github pull requests',
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epilog=epilog)
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parser.add_argument('pull', metavar='PULL', type=int, nargs=1,
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help='Pull request ID to merge')
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parser.add_argument('branch', metavar='BRANCH', type=str, nargs='?',
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default=branch, help='Branch to merge against (default: '+branch+')')
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return parser.parse_args()
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def main():
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# Extract settings from git repo
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repo = git_config_get('githubmerge.repository')
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host = git_config_get('githubmerge.host','git@github.com')
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branch = git_config_get('githubmerge.branch','master')
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testcmd = git_config_get('githubmerge.testcmd')
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signingkey = git_config_get('user.signingkey')
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if repo is None:
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print("ERROR: No repository configured. Use this command to set:", file=stderr)
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print("git config githubmerge.repository <owner>/<repo>", file=stderr)
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exit(1)
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if signingkey is None:
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print("ERROR: No GPG signing key set. Set one using:",file=stderr)
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print("git config --global user.signingkey <key>",file=stderr)
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exit(1)
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host_repo = host+":"+repo # shortcut for push/pull target
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# Extract settings from command line
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args = parse_arguments(branch)
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pull = str(args.pull[0])
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branch = args.branch
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# Initialize source branches
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head_branch = 'pull/'+pull+'/head'
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base_branch = 'pull/'+pull+'/base'
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merge_branch = 'pull/'+pull+'/merge'
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local_merge_branch = 'pull/'+pull+'/local-merge'
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devnull = open(os.devnull,'w')
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try:
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subprocess.check_call([GIT,'checkout','-q',branch])
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot check out branch %s." % (branch), file=stderr)
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exit(3)
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try:
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subprocess.check_call([GIT,'fetch','-q',host_repo,'+refs/pull/'+pull+'/*:refs/heads/pull/'+pull+'/*'])
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot find pull request #%s on %s." % (pull,host_repo), file=stderr)
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exit(3)
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try:
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subprocess.check_call([GIT,'log','-q','-1','refs/heads/'+head_branch], stdout=devnull, stderr=stdout)
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot find head of pull request #%s on %s." % (pull,host_repo), file=stderr)
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exit(3)
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try:
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subprocess.check_call([GIT,'log','-q','-1','refs/heads/'+merge_branch], stdout=devnull, stderr=stdout)
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot find merge of pull request #%s on %s." % (pull,host_repo), file=stderr)
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exit(3)
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try:
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subprocess.check_call([GIT,'fetch','-q',host_repo,'+refs/heads/'+branch+':refs/heads/'+base_branch])
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot find branch %s on %s." % (branch,host_repo), file=stderr)
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exit(3)
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subprocess.check_call([GIT,'checkout','-q',base_branch])
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subprocess.call([GIT,'branch','-q','-D',local_merge_branch], stderr=devnull)
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subprocess.check_call([GIT,'checkout','-q','-b',local_merge_branch])
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try:
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# Create unsigned merge commit.
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title = retrieve_pr_title(repo,pull)
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if title:
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firstline = 'Merge #%s: %s' % (pull,title)
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else:
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firstline = 'Merge #%s' % (pull,)
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message = firstline + '\n\n'
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message += subprocess.check_output([GIT,'log','--no-merges','--topo-order','--pretty=format:%h %s (%an)',base_branch+'..'+head_branch])
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try:
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subprocess.check_call([GIT,'merge','-q','--commit','--no-edit','--no-ff','-m',message,head_branch])
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except subprocess.CalledProcessError as e:
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print("ERROR: Cannot be merged cleanly.",file=stderr)
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subprocess.check_call([GIT,'merge','--abort'])
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exit(4)
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logmsg = subprocess.check_output([GIT,'log','--pretty=format:%s','-n','1'])
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if logmsg.rstrip() != firstline.rstrip():
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print("ERROR: Creating merge failed (already merged?).",file=stderr)
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exit(4)
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# Run test command if configured.
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if testcmd:
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# Go up to the repository's root.
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toplevel = subprocess.check_output([GIT,'rev-parse','--show-toplevel'])
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os.chdir(toplevel)
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if subprocess.call(testcmd,shell=True):
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print("ERROR: Running %s failed." % testcmd,file=stderr)
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exit(5)
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# Show the created merge.
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diff = subprocess.check_output([GIT,'diff',merge_branch+'..'+local_merge_branch])
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subprocess.check_call([GIT,'diff',base_branch+'..'+local_merge_branch])
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if diff:
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print("WARNING: merge differs from github!",file=stderr)
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reply = ask_prompt("Type 'ignore' to continue.")
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if reply.lower() == 'ignore':
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print("Difference with github ignored.",file=stderr)
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else:
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exit(6)
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reply = ask_prompt("Press 'd' to accept the diff.")
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if reply.lower() == 'd':
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print("Diff accepted.",file=stderr)
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else:
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print("ERROR: Diff rejected.",file=stderr)
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exit(6)
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else:
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# Verify the result manually.
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print("Dropping you on a shell so you can try building/testing the merged source.",file=stderr)
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print("Run 'git diff HEAD~' to show the changes being merged.",file=stderr)
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print("Type 'exit' when done.",file=stderr)
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if os.path.isfile('/etc/debian_version'): # Show pull number on Debian default prompt
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os.putenv('debian_chroot',pull)
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subprocess.call([BASH,'-i'])
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reply = ask_prompt("Type 'm' to accept the merge.")
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if reply.lower() == 'm':
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print("Merge accepted.",file=stderr)
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else:
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print("ERROR: Merge rejected.",file=stderr)
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exit(7)
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# Sign the merge commit.
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reply = ask_prompt("Type 's' to sign off on the merge.")
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if reply == 's':
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try:
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subprocess.check_call([GIT,'commit','-q','--gpg-sign','--amend','--no-edit'])
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except subprocess.CalledProcessError as e:
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print("Error signing, exiting.",file=stderr)
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exit(1)
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else:
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print("Not signing off on merge, exiting.",file=stderr)
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exit(1)
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# Put the result in branch.
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subprocess.check_call([GIT,'checkout','-q',branch])
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subprocess.check_call([GIT,'reset','-q','--hard',local_merge_branch])
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finally:
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# Clean up temporary branches.
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subprocess.call([GIT,'checkout','-q',branch])
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subprocess.call([GIT,'branch','-q','-D',head_branch],stderr=devnull)
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subprocess.call([GIT,'branch','-q','-D',base_branch],stderr=devnull)
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subprocess.call([GIT,'branch','-q','-D',merge_branch],stderr=devnull)
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subprocess.call([GIT,'branch','-q','-D',local_merge_branch],stderr=devnull)
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# Push the result.
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reply = ask_prompt("Type 'push' to push the result to %s, branch %s." % (host_repo,branch))
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if reply.lower() == 'push':
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subprocess.check_call([GIT,'push',host_repo,'refs/heads/'+branch])
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if __name__ == '__main__':
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main()
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@ -1,185 +0,0 @@
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#!/bin/bash
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# This script will locally construct a merge commit for a pull request on a
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# github repository, inspect it, sign it and optionally push it.
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# The following temporary branches are created/overwritten and deleted:
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# * pull/$PULL/base (the current master we're merging onto)
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# * pull/$PULL/head (the current state of the remote pull request)
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# * pull/$PULL/merge (github's merge)
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# * pull/$PULL/local-merge (our merge)
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# In case of a clean merge that is accepted by the user, the local branch with
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# name $BRANCH is overwritten with the merged result, and optionally pushed.
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REPO="$(git config --get githubmerge.repository)"
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if [[ "d$REPO" == "d" ]]; then
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echo "ERROR: No repository configured. Use this command to set:" >&2
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echo "git config githubmerge.repository <owner>/<repo>" >&2
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echo "In addition, you can set the following variables:" >&2
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echo "- githubmerge.host (default git@github.com)" >&2
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echo "- githubmerge.branch (default master)" >&2
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echo "- githubmerge.testcmd (default none)" >&2
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exit 1
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fi
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HOST="$(git config --get githubmerge.host)"
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if [[ "d$HOST" == "d" ]]; then
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HOST="git@github.com"
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fi
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BRANCH="$(git config --get githubmerge.branch)"
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if [[ "d$BRANCH" == "d" ]]; then
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BRANCH="master"
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fi
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TESTCMD="$(git config --get githubmerge.testcmd)"
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PULL="$1"
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if [[ "d$PULL" == "d" ]]; then
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echo "Usage: $0 pullnumber [branch]" >&2
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exit 2
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fi
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if [[ "d$2" != "d" ]]; then
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BRANCH="$2"
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fi
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# Initialize source branches.
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git checkout -q "$BRANCH"
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if git fetch -q "$HOST":"$REPO" "+refs/pull/$PULL/*:refs/heads/pull/$PULL/*"; then
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if ! git log -q -1 "refs/heads/pull/$PULL/head" >/dev/null 2>&1; then
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echo "ERROR: Cannot find head of pull request #$PULL on $HOST:$REPO." >&2
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exit 3
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fi
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if ! git log -q -1 "refs/heads/pull/$PULL/merge" >/dev/null 2>&1; then
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echo "ERROR: Cannot find merge of pull request #$PULL on $HOST:$REPO." >&2
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exit 3
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fi
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else
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echo "ERROR: Cannot find pull request #$PULL on $HOST:$REPO." >&2
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exit 3
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fi
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if git fetch -q "$HOST":"$REPO" +refs/heads/"$BRANCH":refs/heads/pull/"$PULL"/base; then
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true
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else
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echo "ERROR: Cannot find branch $BRANCH on $HOST:$REPO." >&2
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exit 3
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fi
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git checkout -q pull/"$PULL"/base
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git branch -q -D pull/"$PULL"/local-merge 2>/dev/null
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git checkout -q -b pull/"$PULL"/local-merge
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TMPDIR="$(mktemp -d -t ghmXXXXX)"
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function cleanup() {
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git checkout -q "$BRANCH"
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git branch -q -D pull/"$PULL"/head 2>/dev/null
|
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git branch -q -D pull/"$PULL"/base 2>/dev/null
|
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git branch -q -D pull/"$PULL"/merge 2>/dev/null
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git branch -q -D pull/"$PULL"/local-merge 2>/dev/null
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rm -rf "$TMPDIR"
|
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}
|
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|
||||
# Create unsigned merge commit.
|
||||
(
|
||||
echo "Merge pull request #$PULL"
|
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echo ""
|
||||
git log --no-merges --topo-order --pretty='format:%h %s (%an)' pull/"$PULL"/base..pull/"$PULL"/head
|
||||
)>"$TMPDIR/message"
|
||||
if git merge -q --commit --no-edit --no-ff -m "$(<"$TMPDIR/message")" pull/"$PULL"/head; then
|
||||
if [ "d$(git log --pretty='format:%s' -n 1)" != "dMerge pull request #$PULL" ]; then
|
||||
echo "ERROR: Creating merge failed (already merged?)." >&2
|
||||
cleanup
|
||||
exit 4
|
||||
fi
|
||||
else
|
||||
echo "ERROR: Cannot be merged cleanly." >&2
|
||||
git merge --abort
|
||||
cleanup
|
||||
exit 4
|
||||
fi
|
||||
|
||||
# Run test command if configured.
|
||||
if [[ "d$TESTCMD" != "d" ]]; then
|
||||
# Go up to the repository's root.
|
||||
while [ ! -d .git ]; do cd ..; done
|
||||
if ! $TESTCMD; then
|
||||
echo "ERROR: Running $TESTCMD failed." >&2
|
||||
cleanup
|
||||
exit 5
|
||||
fi
|
||||
# Show the created merge.
|
||||
git diff pull/"$PULL"/merge..pull/"$PULL"/local-merge >"$TMPDIR"/diff
|
||||
git diff pull/"$PULL"/base..pull/"$PULL"/local-merge
|
||||
if [[ "$(<"$TMPDIR"/diff)" != "" ]]; then
|
||||
echo "WARNING: merge differs from github!" >&2
|
||||
read -p "Type 'ignore' to continue. " -r >&2
|
||||
if [[ "d$REPLY" =~ ^d[iI][gG][nN][oO][rR][eE]$ ]]; then
|
||||
echo "Difference with github ignored." >&2
|
||||
else
|
||||
cleanup
|
||||
exit 6
|
||||
fi
|
||||
fi
|
||||
read -p "Press 'd' to accept the diff. " -n 1 -r >&2
|
||||
echo
|
||||
if [[ "d$REPLY" =~ ^d[dD]$ ]]; then
|
||||
echo "Diff accepted." >&2
|
||||
else
|
||||
echo "ERROR: Diff rejected." >&2
|
||||
cleanup
|
||||
exit 6
|
||||
fi
|
||||
else
|
||||
# Verify the result.
|
||||
echo "Dropping you on a shell so you can try building/testing the merged source." >&2
|
||||
echo "Run 'git diff HEAD~' to show the changes being merged." >&2
|
||||
echo "Type 'exit' when done." >&2
|
||||
if [[ -f /etc/debian_version ]]; then # Show pull number in prompt on Debian default prompt
|
||||
export debian_chroot="$PULL"
|
||||
fi
|
||||
bash -i
|
||||
read -p "Press 'm' to accept the merge. " -n 1 -r >&2
|
||||
echo
|
||||
if [[ "d$REPLY" =~ ^d[Mm]$ ]]; then
|
||||
echo "Merge accepted." >&2
|
||||
else
|
||||
echo "ERROR: Merge rejected." >&2
|
||||
cleanup
|
||||
exit 7
|
||||
fi
|
||||
fi
|
||||
|
||||
# Sign the merge commit.
|
||||
read -p "Press 's' to sign off on the merge. " -n 1 -r >&2
|
||||
echo
|
||||
if [[ "d$REPLY" =~ ^d[Ss]$ ]]; then
|
||||
if [[ "$(git config --get user.signingkey)" == "" ]]; then
|
||||
echo "ERROR: No GPG signing key set, not signing. Set one using:" >&2
|
||||
echo "git config --global user.signingkey <key>" >&2
|
||||
cleanup
|
||||
exit 1
|
||||
else
|
||||
if ! git commit -q --gpg-sign --amend --no-edit; then
|
||||
echo "Error signing, exiting."
|
||||
cleanup
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
else
|
||||
echo "Not signing off on merge, exiting."
|
||||
cleanup
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Clean up temporary branches, and put the result in $BRANCH.
|
||||
git checkout -q "$BRANCH"
|
||||
git reset -q --hard pull/"$PULL"/local-merge
|
||||
cleanup
|
||||
|
||||
# Push the result.
|
||||
read -p "Type 'push' to push the result to $HOST:$REPO, branch $BRANCH. " -r >&2
|
||||
if [[ "d$REPLY" =~ ^d[Pp][Uu][Ss][Hh]$ ]]; then
|
||||
git push "$HOST":"$REPO" refs/heads/"$BRANCH"
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user