Merge branch 'stable-2.6'
* stable-2.6: TrivialRebase: Correctly handle empty patch-id TrivialRebase: Support alternative ssh executable TrivialRebase: Add server argument TrivialRebase: Make private key argument optional TrivialRebase: Pipe subprocesses directly TrivialRebase: Skip unsupported categories TrivialRebase: Raise exception on error TrivialRebase: Refactor as a class Read initial ack for scp
This commit is contained in:
Shawn Pearce
@@ -38,187 +38,200 @@ import argparse
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import json
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import re
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import subprocess
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import sys
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class CheckCallError(OSError):
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"""CheckCall() returned non-0."""
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def __init__(self, command, cwd, retcode, stdout, stderr=None):
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OSError.__init__(self, command, cwd, retcode, stdout, stderr)
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self.command = command
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self.cwd = cwd
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self.retcode = retcode
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self.stdout = stdout
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self.stderr = stderr
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class TrivialRebase:
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def __init__(self):
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usage = "%(prog)s <required options> [--server-port=PORT]"
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parser = argparse.ArgumentParser(usage=usage)
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parser.add_argument("--change-url", dest="changeUrl", help="Change URL")
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parser.add_argument("--project", help="Project path in Gerrit")
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parser.add_argument("--commit", help="Git commit-ish for this patchset")
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parser.add_argument("--patchset", type=int, help="The patchset number")
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parser.add_argument("--private-key-path", dest="private_key_path",
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help="Full path to Gerrit SSH daemon's private host key")
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parser.add_argument("--server", default='localhost',
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help="Gerrit SSH server [default: %(default)s]")
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parser.add_argument("--server-port", dest="port", default='29418',
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help="Port to connect to Gerrit's SSH daemon "
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"[default: %(default)s]")
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parser.add_argument("--ssh", default="ssh", help="SSH executable")
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parser.add_argument("--ssh-port-flag", dest="ssh_port_flag", default="-p", help="SSH port flag")
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def CheckCall(command, cwd=None):
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"""Like subprocess.check_call() but returns stdout.
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args = parser.parse_known_args()[0]
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if None in [args.changeUrl, args.project, args.commit, args.patchset]:
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parser.error("Incomplete arguments")
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try:
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self.changeId = re.search(r'\d+$', args.changeUrl).group()
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except AttributeError:
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parser.error("Invalid changeId")
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self.project = args.project
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self.commit = args.commit
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self.patchset = args.patchset
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self.private_key_path = args.private_key_path
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self.server = args.server
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self.port = args.port
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self.ssh = args.ssh
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self.ssh_port_flag = args.ssh_port_flag
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Works on python 2.4
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"""
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try:
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process = subprocess.Popen(command, cwd=cwd, stdout=subprocess.PIPE)
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std_out, std_err = process.communicate()
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except OSError, e:
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raise CheckCallError(command, cwd, e.errno, None)
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if process.returncode:
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raise CheckCallError(command, cwd, process.returncode, std_out, std_err)
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return std_out, std_err
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class CheckCallError(OSError):
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"""CheckCall() returned non-0."""
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def __init__(self, command, cwd, retcode, stdout, stderr=None):
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OSError.__init__(self, command, cwd, retcode, stdout, stderr)
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self.command = command
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self.cwd = cwd
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self.retcode = retcode
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self.stdout = stdout
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self.stderr = stderr
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def GsqlQuery(sql_query, server, port):
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"""Runs a gerrit gsql query and returns the result"""
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gsql_cmd = ['ssh', '-p', port, server, 'gerrit', 'gsql', '--format',
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'JSON', '-c', sql_query]
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try:
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(gsql_out, _gsql_stderr) = CheckCall(gsql_cmd)
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except CheckCallError, e:
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print "return code is %s" % e.retcode
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print "stdout and stderr is\n%s%s" % (e.stdout, e.stderr)
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raise
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def CheckCall(self, command, cwd=None):
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"""Like subprocess.check_call() but returns stdout.
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new_out = gsql_out.replace('}}\n', '}}\nsplit here\n')
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return new_out.split('split here\n')
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Works on python 2.4
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"""
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try:
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process = subprocess.Popen(command, cwd=cwd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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std_out, std_err = process.communicate()
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except OSError, e:
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raise self.CheckCallError(command, cwd, e.errno, None)
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if process.returncode:
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raise self.CheckCallError(command, cwd, process.returncode, std_out, std_err)
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return std_out, std_err
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def FindPrevRev(changeId, patchset, server, port):
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"""Finds the revision of the previous patch set on the change"""
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sql_query = ("\"SELECT revision FROM patch_sets WHERE "
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"change_id = %s AND patch_set_id = %s\"" % (changeId, (patchset - 1)))
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revisions = GsqlQuery(sql_query, server, port)
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def GsqlQuery(self, sql_query):
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"""Runs a gerrit gsql query and returns the result"""
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gsql_cmd = [self.ssh, self.ssh_port_flag, self.port, self.server, 'gerrit', 'gsql',
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'--format', 'JSON', '-c', sql_query]
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try:
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(gsql_out, _gsql_stderr) = self.CheckCall(gsql_cmd)
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except self.CheckCallError, e:
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print "return code is %s" % e.retcode
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print "stdout and stderr is\n%s%s" % (e.stdout, e.stderr)
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raise
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json_dict = json.loads(revisions[0], strict=False)
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return json_dict["columns"]["revision"]
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new_out = gsql_out.replace('}}\n', '}}\nsplit here\n')
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return new_out.split('split here\n')
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def GetApprovals(changeId, patchset, server, port):
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"""Get all the approvals on a specific patch set
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def FindPrevRev(self):
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"""Finds the revision of the previous patch set on the change"""
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sql_query = ("\"SELECT revision FROM patch_sets WHERE "
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"change_id = %s AND patch_set_id = %s\"" %
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(self.changeId, (self.patchset - 1)))
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revisions = self.GsqlQuery(sql_query)
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Returns a list of approval dicts"""
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sql_query = ("\"SELECT value,account_id,category_id FROM patch_set_approvals "
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"WHERE change_id = %s AND patch_set_id = %s AND value != 0\""
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% (changeId, (patchset - 1)))
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gsql_out = GsqlQuery(sql_query, server, port)
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approvals = []
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for json_str in gsql_out:
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data = json.loads(json_str, strict=False)
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if data["type"] == "row":
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approvals.append(data["columns"])
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return approvals
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json_dict = json.loads(revisions[0], strict=False)
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return json_dict["columns"]["revision"]
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def GetEmailFromAcctId(account_id, server, port):
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"""Returns the preferred email address associated with the account_id"""
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sql_query = ("\"SELECT preferred_email FROM accounts WHERE account_id = %s\""
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% account_id)
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email_addr = GsqlQuery(sql_query, server, port)
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def GetApprovals(self):
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"""Get all the approvals on a specific patch set
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json_dict = json.loads(email_addr[0], strict=False)
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return json_dict["columns"]["preferred_email"]
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Returns a list of approval dicts"""
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sql_query = ("\"SELECT value,account_id,category_id FROM patch_set_approvals "
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"WHERE change_id = %s AND patch_set_id = %s AND value != 0\""
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% (self.changeId, (self.patchset - 1)))
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gsql_out = self.GsqlQuery(sql_query)
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approvals = []
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for json_str in gsql_out:
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data = json.loads(json_str, strict=False)
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if data["type"] == "row":
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approvals.append(data["columns"])
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return approvals
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def GetPatchId(revision):
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git_show_cmd = ['git', 'show', revision]
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patch_id_cmd = ['git', 'patch-id']
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patch_id_process = subprocess.Popen(patch_id_cmd, stdout=subprocess.PIPE,
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stdin=subprocess.PIPE)
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git_show_process = subprocess.Popen(git_show_cmd, stdout=subprocess.PIPE)
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return patch_id_process.communicate(git_show_process.communicate()[0])[0]
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def GetEmailFromAcctId(self, account_id):
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"""Returns the preferred email address associated with the account_id"""
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sql_query = ("\"SELECT preferred_email FROM accounts WHERE account_id = %s\""
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% account_id)
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email_addr = self.GsqlQuery(sql_query)
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def SuExec(server, port, private_key, as_user, cmd):
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suexec_cmd = ['ssh', '-l', "Gerrit Code Review", '-p', port, server, '-i',
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private_key, 'suexec', '--as', as_user, '--', cmd]
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CheckCall(suexec_cmd)
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json_dict = json.loads(email_addr[0], strict=False)
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return json_dict["columns"]["preferred_email"]
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def DiffCommitMessages(commit1, commit2):
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log_cmd1 = ['git', 'log', '--pretty=format:"%an %ae%n%s%n%b"',
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commit1 + '^!']
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commit1_log = CheckCall(log_cmd1)
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log_cmd2 = ['git', 'log', '--pretty=format:"%an %ae%n%s%n%b"',
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commit2 + '^!']
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commit2_log = CheckCall(log_cmd2)
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if commit1_log != commit2_log:
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return True
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return False
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def GetPatchId(self, revision):
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git_show_cmd = ['git', 'show', revision]
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patch_id_cmd = ['git', 'patch-id']
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git_show_process = subprocess.Popen(git_show_cmd, stdout=subprocess.PIPE)
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patch_id_process = subprocess.Popen(patch_id_cmd, stdout=subprocess.PIPE,
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stdin=git_show_process.stdout)
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res = patch_id_process.communicate()[0] or '0'
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return res.split()[0]
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def Main():
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server = 'localhost'
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usage = "%(prog)s <required options> [--server-port=PORT]"
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parser = argparse.ArgumentParser(usage=usage)
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parser.add_argument("--change-url", dest="changeUrl", help="Change URL")
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parser.add_argument("--project", help="Project path in Gerrit")
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parser.add_argument("--commit", help="Git commit-ish for this patchset")
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parser.add_argument("--patchset", type=int, help="The patchset number")
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parser.add_argument("--private-key-path", dest="private_key_path",
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help="Full path to Gerrit SSH daemon's private host key")
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parser.add_argument("--server-port", dest="port", default='29418',
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help="Port to connect to Gerrit's SSH daemon "
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"[default: %(default)s]")
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def SuExec(self, as_user, cmd):
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suexec_cmd = [self.ssh, '-l', "Gerrit Code Review", self.ssh_port_flag, self.port, self.server]
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if self.private_key_path:
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suexec_cmd += ['-i', self.private_key_path]
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suexec_cmd += ['suexec', '--as', as_user, '--', cmd]
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self.CheckCall(suexec_cmd)
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args = parser.parse_known_args()[0]
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try:
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changeId = re.search(r'\d+', args.changeUrl).group()
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except AttributeError:
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parser.print_help()
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exit(0)
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def DiffCommitMessages(self, prev_commit):
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log_cmd1 = ['git', 'log', '--pretty=format:"%an %ae%n%s%n%b"',
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prev_commit + '^!']
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commit1_log = self.CheckCall(log_cmd1)
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log_cmd2 = ['git', 'log', '--pretty=format:"%an %ae%n%s%n%b"',
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self.commit + '^!']
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commit2_log = self.CheckCall(log_cmd2)
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if commit1_log != commit2_log:
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return True
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return False
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if args.patchset == 1:
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# Nothing to detect on first patchset
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exit(0)
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prev_revision = None
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prev_revision = FindPrevRev(changeId, args.patchset, server, args.port)
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if not prev_revision:
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# Couldn't find a previous revision
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exit(0)
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prev_patch_id = GetPatchId(prev_revision)
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cur_patch_id = GetPatchId(args.commit)
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if not (prev_patch_id and cur_patch_id):
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if not prev_patch_id:
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print "GetPatchId failed for commit %s" % (prev_revision)
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if not cur_patch_id:
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print "GetPatchId failed for commit %s" % (args.commit)
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exit(0)
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if cur_patch_id.split()[0] != prev_patch_id.split()[0]:
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# patch-ids don't match
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exit(0)
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# Patch ids match. This is a trivial rebase.
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# In addition to patch-id we should check if the commit message changed. Most
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# approvers would want to re-review changes when the commit message changes.
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changed = DiffCommitMessages(prev_revision, args.commit)
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if changed:
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# Insert a comment into the change letting the approvers know only the
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# commit message changed
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comment_msg = ("\'--message=New patchset patch-id matches previous patchset"
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", but commit message has changed.'")
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comment_cmd = ['ssh', '-p', args.port, server, 'gerrit', 'approve',
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'--project', args.project, comment_msg, args.commit]
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CheckCall(comment_cmd)
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exit(0)
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def Run(self):
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if self.patchset == 1:
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# Nothing to detect on first patchset
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return
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prev_revision = self.FindPrevRev()
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assert prev_revision, "Previous revision not found"
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prev_patch_id = self.GetPatchId(prev_revision)
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cur_patch_id = self.GetPatchId(self.commit)
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if prev_patch_id == '0' and cur_patch_id == '0':
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print "commits %s and %s are both empty or merge commits" % (prev_revision, self.commit)
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return
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if cur_patch_id != prev_patch_id:
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# patch-ids don't match
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return
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# Patch ids match. This is a trivial rebase.
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# In addition to patch-id we should check if the commit message changed. Most
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# approvers would want to re-review changes when the commit message changes.
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changed = self.DiffCommitMessages(prev_revision)
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if changed:
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# Insert a comment into the change letting the approvers know only the
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# commit message changed
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comment_msg = ("\'--message=New patchset patch-id matches previous patchset"
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", but commit message has changed.'")
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comment_cmd = [self.ssh, self.ssh_port_flag, self.port, self.server, 'gerrit',
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'approve', '--project', self.project, comment_msg, self.commit]
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self.CheckCall(comment_cmd)
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return
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# Need to get all approvals on prior patch set, then suexec them onto
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# this patchset.
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approvals = GetApprovals(changeId, args.patchset, server, args.port)
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gerrit_approve_msg = ("\'Automatically re-added by Gerrit trivial rebase "
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"detection script.\'")
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for approval in approvals:
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# Note: Sites with different 'copy_min_score' values in the
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# approval_categories DB table might want different behavior here.
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# Additional categories should also be added if desired.
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if approval["category_id"] == "CRVW":
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approve_category = '--code-review'
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elif approval["category_id"] == "VRIF":
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# Don't re-add verifies
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#approve_category = '--verified'
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continue
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elif approval["category_id"] == "SUBM":
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# We don't care about previous submit attempts
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continue
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else:
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print "Unsupported category: %s" % approval
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exit(0)
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# Need to get all approvals on prior patch set, then suexec them onto
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# this patchset.
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approvals = self.GetApprovals()
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gerrit_approve_msg = ("\'Automatically re-added by Gerrit trivial rebase "
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"detection script.\'")
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for approval in approvals:
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# Note: Sites with different 'copy_min_score' values in the
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# approval_categories DB table might want different behavior here.
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# Additional categories should also be added if desired.
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if approval["category_id"] == "CRVW":
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approve_category = '--code-review'
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elif approval["category_id"] == "VRIF":
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# Don't re-add verifies
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#approve_category = '--verified'
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continue
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elif approval["category_id"] == "SUBM":
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# We don't care about previous submit attempts
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continue
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else:
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print "Unsupported category: %s" % approval
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continue
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score = approval["value"]
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gerrit_approve_cmd = ['gerrit', 'approve', '--project', args.project,
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'--message', gerrit_approve_msg, approve_category,
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score, args.commit]
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email_addr = GetEmailFromAcctId(approval["account_id"], server,
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args.port)
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SuExec(server, args.port, args.private_key_path, email_addr,
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' '.join(gerrit_approve_cmd))
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exit(0)
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score = approval["value"]
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gerrit_approve_cmd = ['gerrit', 'approve', '--project', self.project,
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'--message', gerrit_approve_msg, approve_category,
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score, self.commit]
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email_addr = self.GetEmailFromAcctId(approval["account_id"])
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self.SuExec(email_addr, ' '.join(gerrit_approve_cmd))
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if __name__ == "__main__":
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Main()
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try:
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TrivialRebase().Run()
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except AssertionError, e:
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print >> sys.stderr, e
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@@ -92,6 +92,7 @@ final class ScpCommand extends BaseCommand {
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private void runImp() {
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try {
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readAck();
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if (error != null) {
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throw error;
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}
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Reference in New Issue
Block a user