import email.mime.text, email.utils, smtplib
mail_sender = "null@localhost"
+config_file = os.path.join(os.path.dirname(__file__), 'git-mirror.conf')
+
+def Popen_quirky(cmd, **args):
+ '''
+ Runs cmd via subprocess.Popen; and if that fails, puts it into the shell (/bin/sh).
+ It seems that's what executing things in bash does, and even execve. Also,
+ all so-far released versions of Gitolite get the shebang line wrong.
+ '''
+ try:
+ return subprocess.Popen(cmd, **args)
+ except OSError as e:
+ return subprocess.Popen(['/bin/sh'] + cmd, **args)
class GitCommand:
def __getattr__(self, name):
assert stderr is None
code = p.returncode
if check and code:
- raise Exception("Error running {0}: Non-zero exit code".format(cmd))
+ raise Exception("Error running {}: Non-zero exit code".format(cmd))
return (stdout.decode('utf-8').strip('\n'), code)
return call
assert code in (0, 1)
return False if code == 0 else True # if oldsha is an ancestor of newsha, then this was a "good" (non-forced) update
-def read_config(fname, defSection = 'DEFAULT'):
+def read_config(defSection = 'DEFAULT'):
'''Reads a config file that may have options outside of any section.'''
config = configparser.ConfigParser()
- with open(fname) as file:
+ with open(config_file) as file:
stream = itertools.chain(("["+defSection+"]\n",), file)
config.read_file(stream)
return config
self.name = name
self.local = conf['local']
self.owner = conf['owner'] # email address to notify in case of problems
- self.hmac_secret = conf['hmac-secret'].encode('utf-8')
+ self.hmac_secret = conf['hmac-secret'].encode('utf-8') if 'hmac-secret' in conf else None
self.deploy_key = conf['deploy-key'] # the SSH ky used for authenticating against remote hosts
self.mirrors = {} # maps mirrors to their URLs
mirror_prefix = 'mirror-'
def mail_owner(self, msg):
global mail_sender
- send_mail("git-mirror {0}".format(self.name), msg, recipients = [self.owner], sender = mail_sender)
+ send_mail("git-mirror {}".format(self.name), msg, recipients = [self.owner], sender = mail_sender)
def compute_hmac(self, data):
+ assert self.hmac_secret is not None
h = hmac.new(self.hmac_secret, digestmod = hashlib.sha1)
h.update(data)
return h.hexdigest()
for mirror in self.mirrors:
if mirror == source_mirror:
continue
- sys.stdout.write("Updating mirror {0}\n".format(mirror)); sys.stdout.flush()
+ sys.stdout.write("Updating mirror {}\n".format(mirror)); sys.stdout.flush()
# update this mirror
if is_forced:
# forcibly update ref remotely (someone already did a force push and hence accepted data loss)
remote_sha = remote_state.split()[0]
else:
remote_sha = git_nullsha
- assert newsha == remote_sha, "Someone lied about the new SHA, which should be {0}.".format(newsha)
+ assert newsha == remote_sha, "Someone lied about the new SHA, which should be {}.".format(newsha)
# locally, we have to be at oldsha or newsha (the latter can happen if we already got this update, e.g. if it originated from us)
local_state, code = git.show_ref(ref, check=False)
if code == 0:
local_sha = local_state.split()[0]
else:
if len(local_state):
- raise Exception("Something went wrong getting the local state of {0}.".format(ref))
+ raise Exception("Something went wrong getting the local state of {}.".format(ref))
local_sha = git_nullsha
- assert local_sha in (oldsha, newsha), "Someone lied about the old SHA."
+ # some sanity checking, but deal gracefully with new branches appearing
+ assert local_sha in (git_nullsha, oldsha, newsha), "Someone lied about the old SHA: Local ({}) is neither old ({}) nor new ({})".format(local_sha, oldsha, newsha)
# if we are already at newsha locally, we also ran the local hooks, so we do not have to do anything
if local_sha == newsha:
return "Local repository is already up-to-date."
# Now run the post-receive hooks. This will *also* push the changes to all mirrors, as we
# are one of these hooks!
os.putenv("GIT_MIRROR_SOURCE", mirror) # tell ourselves which repo we do *not* have to update
- with subprocess.Popen(['/bin/sh', 'hooks/post-receive'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) as p:
- (stdout, stderr) = p.communicate("{0} {1} {2}\n".format(oldsha, newsha, ref).encode('utf-8'))
+ with Popen_quirky(['hooks/post-receive'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) as p:
+ (stdout, stderr) = p.communicate("{} {} {}\n".format(oldsha, newsha, ref).encode('utf-8'))
stdout = stdout.decode('utf-8')
if p.returncode:
- raise Exception("post-receive git hook terminated with non-zero exit code {0}:\n{1}".format(p.returncode, stdout))
+ raise Exception("post-receive git hook terminated with non-zero exit code {}:\n{}".format(p.returncode, stdout))
return stdout
def find_repo_by_directory(repos, dir):
def load_repos():
global mail_sender
- conffile = os.path.join(os.path.dirname(__file__), 'git-mirror.conf')
- conf = read_config(conffile)
+ conf = read_config()
mail_sender = conf['DEFAULT']['mail-sender']
repos = {}
projects / git-mirror.git / blobdiff