git-update

   1 #!/usr/bin/env python3
   2 import argparse
   3 import os
   4 import subprocess
   5 import xml.etree.ElementTree as ET
   6
   7
   8 SCRIPTDIR = os.path.dirname(__file__)
   9
  10 class Colors:
  11     HEADER = '\033[95m'
  12     OKBLUE = '\033[94m'
  13     OKGREEN = '\033[92m'
  14     WARNING = '\033[93m'
  15     FAIL = '\033[91m'
  16     ENDC = '\033[0m'
  17
  18     force_disable = False
  19
  20     @classmethod
  21     def disable(cls):
  22         cls.HEADER = ''
  23         cls.OKBLUE = ''
  24         cls.OKGREEN = ''
  25         cls.WARNING = ''
  26         cls.FAIL = ''
  27         cls.ENDC = ''
  28
  29     @classmethod
  30     def enable(cls):
  31         if cls.force_disable:
  32             return
  33
  34         cls.HEADER = '\033[95m'
  35         cls.OKBLUE = '\033[94m'
  36         cls.OKGREEN = '\033[92m'
  37         cls.WARNING = '\033[93m'
  38         cls.FAIL = '\033[91m'
  39         cls.ENDC = '\033[0m'
  40
  41
  42
  43 def git(args, repository_path):
  44     if not isinstance(args, list):
  45         args = [args]
  46
  47     return subprocess.check_output(["git"] + args, cwd=repository_path,
  48                                    stderr=subprocess.STDOUT).decode()
  49
  50
  51 def manifest_get_commits(manifest):
  52     res = {}
  53     tree = ET.parse(manifest)
  54     root = tree.getroot()
  55     for child in root:
  56         if child.tag == 'project':
  57             res[child.attrib["name"]] = child.attrib["revision"]
  58     return res
  59
  60
  61 def update_subprojects(manifest):
  62     if manifest:
  63         repos_commits = manifest_get_commits(manifest)
  64     else:
  65         repos_commits = {}
  66
  67     subprojects_dir = os.path.join(SCRIPTDIR, "subprojects")
  68     for repo_name in os.listdir(subprojects_dir):
  69         repo_dir = os.path.normpath(os.path.join(SCRIPTDIR, subprojects_dir, repo_name))
  70         if not os.path.exists(os.path.join(repo_dir, '.git')):
  71             continue
  72
  73         print("Updating %s..." % repo_name)
  74         try:
  75             revision = repos_commits.get(repo_name)
  76             if revision:
  77                 git(["fetch"], repo_dir)
  78                 git(["checkout", revision], repo_dir)
  79             else:
  80                 git(["pull", "--rebase"], repo_dir)
  81         except Exception as e:
  82             print("\nCould not rebase %s, please fix and try again\nerror:\n  %s" % (repo_dir, e))
  83             return False
  84
  85         commit_message = git("show", repo_dir).split("\n")
  86         print(u"  -> %s%s%s — %s" % (Colors.HEADER, commit_message[0][7:14], Colors.ENDC,
  87                                        commit_message[4].strip()))
  88
  89     return True
  90
  91
  92 if __name__ == "__main__":
  93     parser = argparse.ArgumentParser(prog="git-update")
  94
  95     parser.add_argument("--no-color",
  96                         default=False,
  97                         action='store_true',
  98                         help="Do not output ansi colors.")
  99     parser.add_argument("--manifest",
 100                         default=None,
 101                         help="Use a android repo manifest to sync repositories"
 102                         " Note that it will let all repositories in detached state")
 103     options = parser.parse_args()
 104     if options.no_color:
 105         Colors.disable()
 106
 107     exit(not update_subprojects(options.manifest))