4 def sanitize(rev, sep='\t'):
5 """Converts a for-each-ref line to a name/value pair.
8 splitrev = rev.split(sep)
9 branchval = splitrev[0]
10 branchname = splitrev[1].strip()
11 if branchname.startswith("refs/heads/"):
12 branchname = branchname[11:]
14 return branchname, branchval
17 """Checks whether the specified value is a remote url.
20 prefixes = ["http", "file", "git"]
22 return any(url.startswith(i) for i in prefixes)
24 class GitRepo(object):
25 """Repo object representing a repo.
28 def __init__(self, path):
29 """Initializes a new repo at the given path.
35 self.local = not is_remote(self.path)
37 if(self.path.endswith('.git')):
38 self.gitpath = self.path
40 self.gitpath = os.path.join(self.path, '.git')
42 if self.local and not os.path.exists(self.gitpath):
43 os.makedirs(self.gitpath)
46 """Fetches all revs from the remote.
49 args = ["git", "ls-remote", self.gitpath]
51 ofile = open(path, "w")
53 subprocess.check_call(args, stdout=ofile)
54 output = open(path).readlines()
55 self.revmap = dict(sanitize(i) for i in output)
56 if "HEAD" in self.revmap:
57 del self.revmap["HEAD"]
58 self.revs = self.revmap.keys()
62 """Determines the head of a local repo.
68 path = os.path.join(self.gitpath, "HEAD")
69 head = open(path).readline()
70 self.head, _ = sanitize(head, ' ')