git_remote_helpers/git/non_local.py

   1 import os
   2 import subprocess
   3
   4 from git_remote_helpers.util import die, warn
   5
   6
   7 class NonLocalGit(object):
   8     """Handler to interact with non-local repos.
   9     """
  10
  11     def __init__(self, repo):
  12         """Creates a new non-local handler for the specified repo.
  13         """
  14
  15         self.repo = repo
  16
  17     def clone(self, base):
  18         """Clones the non-local repo to base.
  19
  20         Does nothing if a clone already exists.
  21         """
  22
  23         path = os.path.join(self.repo.get_base_path(base), '.git')
  24
  25         # already cloned
  26         if os.path.exists(path):
  27             return path
  28
  29         os.makedirs(path)
  30         args = ["git", "clone", "--bare", "--quiet", self.repo.gitpath, path]
  31
  32         child = subprocess.Popen(args)
  33         if child.wait() != 0:
  34             raise CalledProcessError
  35
  36         return path
  37
  38     def update(self, base):
  39         """Updates checkout of the non-local repo in base.
  40         """
  41
  42         path = os.path.join(self.repo.get_base_path(base), '.git')
  43
  44         if not os.path.exists(path):
  45             die("could not find repo at %s", path)
  46
  47         args = ["git", "--git-dir=" + path, "fetch", "--quiet", self.repo.gitpath]
  48         child = subprocess.Popen(args)
  49         if child.wait() != 0:
  50             raise CalledProcessError
  51
  52         args = ["git", "--git-dir=" + path, "update-ref", "refs/heads/master", "FETCH_HEAD"]
  53         child = subprocess.Popen(args)
  54         if child.wait() != 0:
  55             raise CalledProcessError
  56
  57     def push(self, base):
  58         """Pushes from the non-local repo to base.
  59         """
  60
  61         path = os.path.join(self.repo.get_base_path(base), '.git')
  62
  63         if not os.path.exists(path):
  64             die("could not find repo at %s", path)
  65
  66         args = ["git", "--git-dir=" + path, "push", "--quiet", self.repo.gitpath]
  67         child = subprocess.Popen(args)
  68         if child.wait() != 0:
  69             raise CalledProcessError