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main.py
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main.py
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import argparse
import github3
import toml
import json
import re
import functools
from . import utils
import logging
from threading import Thread, Lock
import time
import traceback
import sqlite3
import requests
from contextlib import contextmanager
from itertools import chain
from queue import Queue
import os
import sys
from enum import IntEnum
import subprocess
from .git_helper import SSH_KEY_FILE
import shlex
import random
STATUS_TO_PRIORITY = {
'success': 0,
'pending': 1,
'approved': 2,
'': 3,
'error': 4,
'failure': 5,
}
INTERRUPTED_BY_HOMU_FMT = 'Interrupted by Homu ({})'
INTERRUPTED_BY_HOMU_RE = re.compile(r'Interrupted by Homu \((.+?)\)')
TEST_TIMEOUT = 3600 * 10
global_cfg = {}
@contextmanager
def buildbot_sess(repo_cfg):
sess = requests.Session()
sess.post(
repo_cfg['buildbot']['url'] + '/login',
allow_redirects=False,
data={
'username': repo_cfg['buildbot']['username'],
'passwd': repo_cfg['buildbot']['password'],
})
yield sess
sess.get(repo_cfg['buildbot']['url'] + '/logout', allow_redirects=False)
db_query_lock = Lock()
def db_query(db, *args):
with db_query_lock:
db.execute(*args)
class Repository:
treeclosed = -1
gh = None
label = None
db = None
def __init__(self, gh, repo_label, db):
self.gh = gh
self.repo_label = repo_label
self.db = db
db_query(
db,
'SELECT treeclosed FROM repos WHERE repo = ?',
[repo_label]
)
row = db.fetchone()
if row:
self.treeclosed = row[0]
else:
self.treeclosed = -1
def update_treeclosed(self, value):
self.treeclosed = value
db_query(
self.db,
'DELETE FROM repos where repo = ?',
[self.repo_label]
)
if value > 0:
db_query(
self.db,
'INSERT INTO repos (repo, treeclosed) VALUES (?, ?)',
[self.repo_label, value]
)
def __lt__(self, other):
return self.gh < other.gh
class PullReqState:
num = 0
priority = 0
rollup = False
title = ''
body = ''
head_ref = ''
base_ref = ''
assignee = ''
delegate = ''
def __init__(self, num, head_sha, status, db, repo_label, mergeable_que,
gh, owner, name, repos):
self.head_advanced('', use_db=False)
self.num = num
self.head_sha = head_sha
self.status = status
self.db = db
self.repo_label = repo_label
self.mergeable_que = mergeable_que
self.gh = gh
self.owner = owner
self.name = name
self.repos = repos
self.test_started = time.time() # FIXME: Save in the local database
def head_advanced(self, head_sha, *, use_db=True):
self.head_sha = head_sha
self.approved_by = ''
self.status = ''
self.merge_sha = ''
self.build_res = {}
self.try_ = False
self.mergeable = None
if use_db:
self.set_status('')
self.set_mergeable(None)
self.init_build_res([])
def __repr__(self):
fmt = 'PullReqState:{}/{}#{}(approved_by={}, priority={}, status={})'
return fmt.format(
self.owner,
self.name,
self.num,
self.approved_by,
self.priority,
self.status,
)
def sort_key(self):
return [
STATUS_TO_PRIORITY.get(self.get_status(), -1),
1 if self.mergeable is False else 0,
0 if self.approved_by else 1,
1 if self.rollup else 0,
-self.priority,
self.num,
]
def __lt__(self, other):
return self.sort_key() < other.sort_key()
def get_issue(self):
issue = getattr(self, 'issue', None)
if not issue:
issue = self.issue = self.get_repo().issue(self.num)
return issue
def add_comment(self, text):
self.get_issue().create_comment(text)
def set_status(self, status):
self.status = status
db_query(
self.db,
'UPDATE pull SET status = ? WHERE repo = ? AND num = ?',
[self.status, self.repo_label, self.num]
)
# FIXME: self.try_ should also be saved in the database
if not self.try_:
db_query(
self.db,
'UPDATE pull SET merge_sha = ? WHERE repo = ? AND num = ?',
[self.merge_sha, self.repo_label, self.num]
)
def get_status(self):
if self.status == '' and self.approved_by:
if self.mergeable is not False:
return 'approved'
return self.status
def set_mergeable(self, mergeable, *, cause=None, que=True):
if mergeable is not None:
self.mergeable = mergeable
db_query(
self.db,
'INSERT OR REPLACE INTO mergeable (repo, num, mergeable) VALUES (?, ?, ?)', # noqa
[self.repo_label, self.num, self.mergeable]
)
else:
if que:
self.mergeable_que.put([self, cause])
else:
self.mergeable = None
db_query(
self.db,
'DELETE FROM mergeable WHERE repo = ? AND num = ?',
[self.repo_label, self.num]
)
def init_build_res(self, builders, *, use_db=True):
self.build_res = {x: {
'res': None,
'url': '',
} for x in builders}
if use_db:
db_query(
self.db,
'DELETE FROM build_res WHERE repo = ? AND num = ?',
[self.repo_label, self.num]
)
def set_build_res(self, builder, res, url):
if builder not in self.build_res:
raise Exception('Invalid builder: {}'.format(builder))
self.build_res[builder] = {
'res': res,
'url': url,
}
db_query(
self.db,
'INSERT OR REPLACE INTO build_res (repo, num, builder, res, url, merge_sha) VALUES (?, ?, ?, ?, ?, ?)', # noqa
[
self.repo_label,
self.num,
builder,
res,
url,
self.merge_sha,
])
def build_res_summary(self):
return ', '.join('{}: {}'.format(builder, data['res'])
for builder, data in self.build_res.items())
def get_repo(self):
repo = self.repos[self.repo_label].gh
if not repo:
repo = self.gh.repository(self.owner, self.name)
self.repos[self.repo_label].gh = repo
assert repo.owner.login == self.owner
assert repo.name == self.name
return repo
def save(self):
db_query(
self.db,
'INSERT OR REPLACE INTO pull (repo, num, status, merge_sha, title, body, head_sha, head_ref, base_ref, assignee, approved_by, priority, try_, rollup, delegate) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)', # noqa
[
self.repo_label,
self.num,
self.status,
self.merge_sha,
self.title,
self.body,
self.head_sha,
self.head_ref,
self.base_ref,
self.assignee,
self.approved_by,
self.priority,
self.try_,
self.rollup,
self.delegate,
])
def refresh(self):
issue = self.get_repo().issue(self.num)
self.title = issue.title
self.body = issue.body
def fake_merge(self, repo_cfg):
if not repo_cfg.get('linear', False):
return
if repo_cfg.get('autosquash', False):
return
issue = self.get_issue()
title = issue.title
# We tell github to close the PR via the commit message, but it
# doesn't know that constitutes a merge. Edit the title so that it's
# clearer.
merged_prefix = '[merged] '
if not title.startswith(merged_prefix):
title = merged_prefix + title
issue.edit(title=title)
def change_treeclosed(self, value):
self.repos[self.repo_label].update_treeclosed(value)
def blocked_by_closed_tree(self):
treeclosed = self.repos[self.repo_label].treeclosed
return treeclosed if self.priority < treeclosed else None
def sha_cmp(short, full):
return len(short) >= 4 and short == full[:len(short)]
def sha_or_blank(sha):
return sha if re.match(r'^[0-9a-f]+$', sha) else ''
class AuthState(IntEnum):
# Higher is more privileged
REVIEWER = 3
TRY = 2
NONE = 1
def verify_auth(username, repo_cfg, state, auth, realtime, my_username):
# In some cases (e.g. non-fully-qualified r+) we recursively talk to
# ourself via a hidden markdown comment in the message. This is so that
# when re-synchronizing after shutdown we can parse these comments and
# still know the SHA for the approval.
#
# So comments from self should always be allowed
if username == my_username:
return True
is_reviewer = False
auth_collaborators = repo_cfg.get('auth_collaborators', False)
if auth_collaborators:
is_reviewer = state.get_repo().is_collaborator(username)
if not is_reviewer:
is_reviewer = username in repo_cfg.get('reviewers', [])
if not is_reviewer:
is_reviewer = username.lower() == state.delegate.lower()
if is_reviewer:
have_auth = AuthState.REVIEWER
elif username in repo_cfg.get('try_users', []):
have_auth = AuthState.TRY
else:
have_auth = AuthState.NONE
if have_auth >= auth:
return True
else:
if realtime:
reply = '@{}: :key: Insufficient privileges: '.format(username)
if auth == AuthState.REVIEWER:
if auth_collaborators:
reply += 'Collaborator required'
else:
reply += 'Not in reviewers'
elif auth == AuthState.TRY:
reply += 'and not in try users'
state.add_comment(reply)
return False
PORTAL_TURRET_DIALOG = ["Target acquired", "Activated", "There you are"]
PORTAL_TURRET_IMAGE = "https://cloud.githubusercontent.com/assets/1617736/22222924/c07b2a1c-e16d-11e6-91b3-ac659550585c.png" # noqa
def parse_commands(body, username, repo_cfg, state, my_username, db, states,
*, realtime=False, sha=''):
global global_cfg
state_changed = False
_reviewer_auth_verified = functools.partial(
verify_auth,
username,
repo_cfg,
state,
AuthState.REVIEWER,
realtime,
my_username,
)
_try_auth_verified = functools.partial(
verify_auth,
username,
repo_cfg,
state,
AuthState.TRY,
realtime,
my_username,
)
words = list(chain.from_iterable(re.findall(r'\S+', x) for x in body.splitlines() if '@' + my_username in x)) # noqa
if words[1:] == ["are", "you", "still", "there?"] and realtime:
state.add_comment(
":cake: {}\n\n".format(
random.choice(PORTAL_TURRET_DIALOG), PORTAL_TURRET_IMAGE)
)
for i, word in reversed(list(enumerate(words))):
found = True
if word == 'r+' or word.startswith('r='):
if not _reviewer_auth_verified():
continue
if not sha and i + 1 < len(words):
cur_sha = sha_or_blank(words[i + 1])
else:
cur_sha = sha
approver = word[len('r='):] if word.startswith('r=') else username
# Ignore "r=me"
if approver == 'me':
continue
# Ignore WIP PRs
if any(map(state.title.startswith, [
'WIP', 'TODO', '[WIP]', '[TODO]',
])):
if realtime:
state.add_comment(':clipboard: Looks like this PR is still in progress, ignoring approval') # noqa
continue
# Sometimes, GitHub sends the head SHA of a PR as 0000000
# through the webhook. This is called a "null commit", and
# seems to happen when GitHub internally encounters a race
# condition. Last time, it happened when squashing commits
# in a PR. In this case, we just try to retrieve the head
# SHA manually.
if all(x == '0' for x in state.head_sha):
if realtime:
state.add_comment(
':bangbang: Invalid head SHA found, retrying: `{}`'
.format(state.head_sha)
)
state.head_sha = state.get_repo().pull_request(state.num).head.sha # noqa
state.save()
assert any(x != '0' for x in state.head_sha)
if state.approved_by and realtime and username != my_username:
for _state in states[state.repo_label].values():
if _state.status == 'pending':
break
else:
_state = None
lines = []
if state.status in ['failure', 'error']:
lines.append('- This pull request previously failed. You should add more commits to fix the bug, or use `retry` to trigger a build again.') # noqa
if _state:
if state == _state:
lines.append('- This pull request is currently being tested. If there\'s no response from the continuous integration service, you may use `retry` to trigger a build again.') # noqa
else:
lines.append('- There\'s another pull request that is currently being tested, blocking this pull request: #{}'.format(_state.num)) # noqa
if lines:
lines.insert(0, '')
lines.insert(0, ':bulb: This pull request was already approved, no need to approve it again.') # noqa
state.add_comment('\n'.join(lines))
if sha_cmp(cur_sha, state.head_sha):
state.approved_by = approver
state.try_ = False
state.set_status('')
state.save()
elif realtime and username != my_username:
if cur_sha:
msg = '`{}` is not a valid commit SHA.'.format(cur_sha)
state.add_comment(
':scream_cat: {} Please try again with `{:.7}`.'
.format(msg, state.head_sha)
)
else:
state.add_comment(
':pushpin: Commit {:.7} has been approved by `{}`\n\n<!-- @{} r={} {} -->' # noqa
.format(
state.head_sha,
approver,
my_username,
approver,
state.head_sha,
))
treeclosed = state.blocked_by_closed_tree()
if treeclosed:
state.add_comment(
':evergreen_tree: The tree is currently closed for pull requests below priority {}, this pull request will be tested once the tree is reopened' # noqa
.format(treeclosed)
)
elif word == 'r-':
if not verify_auth(username, repo_cfg, state, AuthState.REVIEWER,
realtime, my_username):
continue
state.approved_by = ''
state.save()
elif word.startswith('p='):
if not verify_auth(username, repo_cfg, state, AuthState.TRY,
realtime, my_username):
continue
try:
pvalue = int(word[len('p='):])
except ValueError:
continue
if pvalue > global_cfg['max_priority']:
if realtime:
state.add_comment(
':stop_sign: Priority higher than {} is ignored.'
.format(global_cfg['max_priority'])
)
continue
state.priority = pvalue
state.save()
elif word.startswith('delegate='):
if not verify_auth(username, repo_cfg, state, AuthState.REVIEWER,
realtime, my_username):
continue
state.delegate = word[len('delegate='):]
state.save()
if realtime:
state.add_comment(
':v: @{} can now approve this pull request'
.format(state.delegate)
)
elif word == 'delegate-':
# TODO: why is this a TRY?
if not _try_auth_verified():
continue
state.delegate = ''
state.save()
elif word == 'delegate+':
if not _reviewer_auth_verified():
continue
state.delegate = state.get_repo().pull_request(state.num).user.login # noqa
state.save()
if realtime:
state.add_comment(
':v: @{} can now approve this pull request'
.format(state.delegate)
)
elif word == 'retry' and realtime:
if not _try_auth_verified():
continue
state.set_status('')
elif word in ['try', 'try-'] and realtime:
if not _try_auth_verified():
continue
state.try_ = word == 'try'
state.merge_sha = ''
state.init_build_res([])
state.save()
elif word in ['rollup', 'rollup-']:
if not _try_auth_verified():
continue
state.rollup = word == 'rollup'
state.save()
elif word == 'force' and realtime:
if not _try_auth_verified():
continue
if 'buildbot' in repo_cfg:
with buildbot_sess(repo_cfg) as sess:
res = sess.post(
repo_cfg['buildbot']['url'] + '/builders/_selected/stopselected', # noqa
allow_redirects=False,
data={
'selected': repo_cfg['buildbot']['builders'],
'comments': INTERRUPTED_BY_HOMU_FMT.format(int(time.time())), # noqa
})
if 'authzfail' in res.text:
err = 'Authorization failed'
else:
mat = re.search('(?s)<div class="error">(.*?)</div>', res.text)
if mat:
err = mat.group(1).strip()
if not err:
err = 'Unknown error'
else:
err = ''
if err:
state.add_comment(
':bomb: Buildbot returned an error: `{}`'.format(err)
)
elif word == 'clean' and realtime:
if not _try_auth_verified():
continue
state.merge_sha = ''
state.init_build_res([])
state.save()
elif (word == 'hello?' or word == 'ping') and realtime:
state.add_comment(":sleepy: I'm awake I'm awake")
elif word.startswith('treeclosed='):
if not _reviewer_auth_verified():
continue
try:
treeclosed = int(word[len('treeclosed='):])
state.change_treeclosed(treeclosed)
except ValueError:
pass
state.save()
elif word == 'treeclosed-':
if not _reviewer_auth_verified():
continue
state.change_treeclosed(-1)
state.save()
elif 'hooks' in global_cfg:
hook_found = False
for hook in global_cfg['hooks']:
hook_cfg = global_cfg['hooks'][hook]
if hook_cfg['realtime'] and not realtime:
continue
if word == hook or word.startswith('%s=' % hook):
if hook_cfg['access'] == "reviewer":
if not _reviewer_auth_verified():
continue
else:
if not _try_auth_verified():
continue
hook_found = True
extra_data = ""
if word.startswith('%s=' % hook):
extra_data = word.split("=")[1]
Thread(
target=handle_hook_response,
args=[state, hook_cfg, body, extra_data]
).start()
if not hook_found:
found = False
else:
found = False
if found:
state_changed = True
words[i] = ''
return state_changed
def handle_hook_response(state, hook_cfg, body, extra_data):
post_data = {}
post_data["pull"] = state.num
post_data["body"] = body
post_data["extra_data"] = extra_data
print(post_data)
response = requests.post(hook_cfg['endpoint'], json=post_data)
print(response.text)
# We only post a response if we're configured to have a response
# non-realtime hooks cannot post
if hook_cfg['has_response'] and hook_cfg['realtime']:
state.add_comment(response.text)
def git_push(git_cmd, branch, state):
merge_sha = subprocess.check_output(git_cmd('rev-parse', 'HEAD')).decode('ascii').strip() # noqa
if utils.silent_call(git_cmd('push', '-f', 'origin', branch)):
utils.logged_call(git_cmd('branch', '-f', 'homu-tmp', branch))
utils.logged_call(git_cmd('push', '-f', 'origin', 'homu-tmp'))
def inner():
utils.github_create_status(
state.get_repo(),
merge_sha,
'success',
'',
'Branch protection bypassed',
context='homu',
)
def fail(err):
state.add_comment(
':boom: Unable to create a status for {} ({})'
.format(merge_sha, err)
)
utils.retry_until(inner, fail, state)
utils.logged_call(git_cmd('push', '-f', 'origin', branch))
return merge_sha
def init_local_git_cmds(repo_cfg, git_cfg):
fpath = 'cache/{}/{}'.format(repo_cfg['owner'], repo_cfg['name'])
url = 'git@github.com:{}/{}.git'.format(repo_cfg['owner'], repo_cfg['name']) # noqa
if not os.path.exists(SSH_KEY_FILE):
os.makedirs(os.path.dirname(SSH_KEY_FILE), exist_ok=True)
with open(SSH_KEY_FILE, 'w') as fp:
fp.write(git_cfg['ssh_key'])
os.chmod(SSH_KEY_FILE, 0o600)
if not os.path.exists(fpath):
utils.logged_call(['git', 'init', fpath])
utils.logged_call(['git', '-C', fpath, 'remote', 'add', 'origin', url]) # noqa
return lambda *args: ['git', '-C', fpath] + list(args)
def branch_equal_to_merge(git_cmd, state, branch):
utils.logged_call(git_cmd('fetch', 'origin',
'pull/{}/merge'.format(state.num)))
return utils.silent_call(git_cmd('diff', '--quiet', 'FETCH_HEAD', branch)) == 0 # noqa
def create_merge(state, repo_cfg, branch, git_cfg, ensure_merge_equal=False):
base_sha = state.get_repo().ref('heads/' + state.base_ref).object.sha
state.refresh()
merge_msg = 'Auto merge of #{} - {}, r={}\n\n{}\n\n{}'.format(
state.num,
state.head_ref,
'<try>' if state.try_ else state.approved_by,
state.title,
state.body)
desc = 'Merge conflict'
if git_cfg['local_git']:
git_cmd = init_local_git_cmds(repo_cfg, git_cfg)
utils.logged_call(git_cmd('fetch', 'origin', state.base_ref,
'pull/{}/head'.format(state.num)))
utils.silent_call(git_cmd('rebase', '--abort'))
utils.silent_call(git_cmd('merge', '--abort'))
if repo_cfg.get('linear', False):
utils.logged_call(
git_cmd('checkout', '-B', branch, state.head_sha))
try:
args = [base_sha]
if repo_cfg.get('autosquash', False):
args += ['-i', '--autosquash']
utils.logged_call(git_cmd('-c',
'user.name=' + git_cfg['name'],
'-c',
'user.email=' + git_cfg['email'],
'rebase',
*args))
except subprocess.CalledProcessError:
if repo_cfg.get('autosquash', False):
utils.silent_call(git_cmd('rebase', '--abort'))
if utils.silent_call(git_cmd('rebase', base_sha)) == 0:
desc = 'Auto-squashing failed'
else:
ap = '<try>' if state.try_ else state.approved_by
text = '\nCloses: #{}\nApproved by: {}'.format(state.num, ap)
msg_code = 'cat && echo {}'.format(shlex.quote(text))
env_code = 'export GIT_COMMITTER_NAME={} && export GIT_COMMITTER_EMAIL={} && unset GIT_COMMITTER_DATE'.format(shlex.quote(git_cfg['name']), shlex.quote(git_cfg['email'])) # noqa
utils.logged_call(git_cmd('filter-branch', '-f',
'--msg-filter', msg_code,
'--env-filter', env_code,
'{}..'.format(base_sha)))
if ensure_merge_equal:
if not branch_equal_to_merge(git_cmd, state, branch):
return ''
return git_push(git_cmd, branch, state)
else:
utils.logged_call(git_cmd(
'checkout',
'-B',
'homu-tmp',
state.head_sha))
ok = True
if repo_cfg.get('autosquash', False):
try:
merge_base_sha = subprocess.check_output(
git_cmd(
'merge-base',
base_sha,
state.head_sha)).decode('ascii').strip()
utils.logged_call(git_cmd(
'-c',
'user.name=' + git_cfg['name'],
'-c',
'user.email=' + git_cfg['email'],
'rebase',
'-i',
'--autosquash',
'--onto',
merge_base_sha, base_sha))
except subprocess.CalledProcessError:
desc = 'Auto-squashing failed'
ok = False
if ok:
utils.logged_call(git_cmd('checkout', '-B', branch, base_sha))
try:
utils.logged_call(git_cmd(
'-c',
'user.name=' + git_cfg['name'],
'-c',
'user.email=' + git_cfg['email'],
'merge',
'heads/homu-tmp',
'--no-ff',
'-m',
merge_msg))
except subprocess.CalledProcessError:
pass
else:
if ensure_merge_equal:
if not branch_equal_to_merge(git_cmd, state, branch):
return ''
return git_push(git_cmd, branch, state)
else:
if repo_cfg.get('linear', False) or repo_cfg.get('autosquash', False):
raise RuntimeError('local_git must be turned on to use this feature') # noqa
# if we're merging using the GitHub API, we have no way to predict
# with certainty what the final result will be so make sure the caller
# isn't asking us to keep any promises (see also discussions at
# https://github.com/servo/homu/pull/57)
assert ensure_merge_equal is False
if branch != state.base_ref:
utils.github_set_ref(
state.get_repo(),
'heads/' + branch,
base_sha,
force=True,
)
try:
merge_commit = state.get_repo().merge(
branch,
state.head_sha,
merge_msg)
except github3.models.GitHubError as e:
if e.code != 409:
raise
else:
return merge_commit.sha if merge_commit else ''
state.set_status('error')
utils.github_create_status(
state.get_repo(),
state.head_sha,
'error',
'',
desc,
context='homu')
state.add_comment(':lock: ' + desc)
return ''
def pull_is_rebased(state, repo_cfg, git_cfg, base_sha):
assert git_cfg['local_git']
git_cmd = init_local_git_cmds(repo_cfg, git_cfg)
utils.logged_call(git_cmd('fetch', 'origin', state.base_ref,
'pull/{}/head'.format(state.num)))
return utils.silent_call(git_cmd('merge-base', '--is-ancestor',
base_sha, state.head_sha)) == 0
# We could fetch this from GitHub instead, but that API is being deprecated:
# https://developer.github.com/changes/2013-04-25-deprecating-merge-commit-sha/
def get_github_merge_sha(state, repo_cfg, git_cfg):
assert git_cfg['local_git']
git_cmd = init_local_git_cmds(repo_cfg, git_cfg)
if state.mergeable is not True:
return None
utils.logged_call(git_cmd('fetch', 'origin',
'pull/{}/merge'.format(state.num)))
return subprocess.check_output(git_cmd('rev-parse', 'FETCH_HEAD')).decode('ascii').strip() # noqa
def do_exemption_merge(state, repo_cfg, git_cfg, url, check_merge, reason):
try:
merge_sha = create_merge(
state,
repo_cfg,
state.base_ref,
git_cfg,
check_merge)
except subprocess.CalledProcessError:
print('* Unable to create a merge commit for the exempted PR: {}'.format(state)) # noqa
traceback.print_exc()
return False
if not merge_sha:
return False
desc = 'Test exempted'
state.set_status('success')
utils.github_create_status(state.get_repo(), state.head_sha, 'success',
url, desc, context='homu')
state.add_comment(':zap: {}: {}.'.format(desc, reason))
state.merge_sha = merge_sha
state.save()
state.fake_merge(repo_cfg)
return True
def try_travis_exemption(state, repo_cfg, git_cfg):
travis_info = None
for info in utils.github_iter_statuses(state.get_repo(), state.head_sha):
if info.context == 'continuous-integration/travis-ci/pr':
travis_info = info
break
if travis_info is None or travis_info.state != 'success':
return False
mat = re.search('/builds/([0-9]+)$', travis_info.target_url)
if not mat:
return False
url = 'https://api.travis-ci.org/{}/{}/builds/{}'.format(state.owner,
state.name,
mat.group(1))
try:
res = requests.get(url)
except Exception as ex:
print('* Unable to gather build info from Travis CI: {}'.format(ex))
return False
travis_sha = json.loads(res.text)['commit']
travis_commit = state.get_repo().commit(travis_sha)
if not travis_commit:
return False
base_sha = state.get_repo().ref('heads/' + state.base_ref).object.sha
if (travis_commit.parents[0]['sha'] == base_sha and
travis_commit.parents[1]['sha'] == state.head_sha):
# make sure we check against the github merge sha before pushing
return do_exemption_merge(state, repo_cfg, git_cfg,
travis_info.target_url, True,
"merge already tested by Travis CI")
return False
def try_status_exemption(state, repo_cfg, git_cfg):
# If all the builders are status-based, then we can do some checks to
# exempt testing under the following cases:
# 1. The PR head commit has the equivalent statuses set to 'success' and