3 # hashlib is only available in python >= 2.5
12 sys.path.insert(0, os.getenv("GITPYTHONLIB","."))
14 from git_remote_helpers.util import die, debug, warn
15 from git_remote_helpers.git.repo import GitRepo
16 from git_remote_helpers.git.exporter import GitExporter
17 from git_remote_helpers.git.importer import GitImporter
18 from git_remote_helpers.git.non_local import NonLocalGit
20 def get_repo(alias, url):
21 """Returns a git repository object initialized for usage.
29 hasher.update(repo.path)
30 repo.hash = hasher.hexdigest()
32 repo.get_base_path = lambda base: os.path.join(
33 base, 'info', 'fast-import', repo.hash)
35 prefix = 'refs/testgit/%s/' % alias
36 debug("prefix: '%s'", prefix)
38 repo.gitdir = os.environ["GIT_DIR"]
42 repo.exporter = GitExporter(repo)
43 repo.importer = GitImporter(repo)
44 repo.non_local = NonLocalGit(repo)
49 def local_repo(repo, path):
50 """Returns a git repository object initalized for usage.
55 local.non_local = None
56 local.gitdir = repo.gitdir
57 local.alias = repo.alias
58 local.prefix = repo.prefix
59 local.hash = repo.hash
60 local.get_base_path = repo.get_base_path
61 local.exporter = GitExporter(local)
62 local.importer = GitImporter(local)
67 def do_capabilities(repo, args):
68 """Prints the supported capabilities.
73 print "refspec refs/heads/*:%s*" % repo.prefix
75 print # end capabilities
78 def do_list(repo, args):
79 """Lists all known references.
81 Bug: This will always set the remote head to master for non-local
82 repositories, since we have no way of determining what the remote
83 head is at clone time.
87 debug("? refs/heads/%s", ref)
88 print "? refs/heads/%s" % ref
91 debug("@refs/heads/%s HEAD" % repo.head)
92 print "@refs/heads/%s HEAD" % repo.head
94 debug("@refs/heads/master HEAD")
95 print "@refs/heads/master HEAD"
100 def update_local_repo(repo):
101 """Updates (or clones) a local repo.
107 path = repo.non_local.clone(repo.gitdir)
108 repo.non_local.update(repo.gitdir)
109 repo = local_repo(repo, path)
113 def do_import(repo, args):
114 """Exports a fast-import stream from testgit for git to import.
118 die("Import needs exactly one ref")
121 die("Need gitdir to import")
127 line = sys.stdin.readline()
130 if not line.startswith('import '):
131 die("Expected import line.")
133 # strip of leading 'import '
134 ref = line[7:].strip()
137 repo = update_local_repo(repo)
138 repo.exporter.export_repo(repo.gitdir, refs)
143 def do_export(repo, args):
144 """Imports a fast-import stream from git to testgit.
148 die("Need gitdir to export")
150 dirname = repo.get_base_path(repo.gitdir)
152 if not os.path.exists(dirname):
155 path = os.path.join(dirname, 'testgit.marks')
157 if os.path.exists(path):
163 update_local_repo(repo)
164 changed = repo.importer.do_import(repo.gitdir)
167 repo.non_local.push(repo.gitdir)
175 'capabilities': do_capabilities,
183 """Cleans up the url.
186 if value.startswith('testgit::'):
192 def read_one_line(repo):
193 """Reads and processes one command.
196 line = sys.stdin.readline()
201 warn("Unexpected EOF")
204 cmdline = cmdline.strip().split()
206 # Blank line means we're about to quit
210 debug("Got command '%s' with args '%s'", cmd, ' '.join(cmdline))
212 if cmd not in COMMANDS:
213 die("Unknown command, %s", cmd)
223 """Starts a new remote helper for the specified repository.
227 die("Expecting exactly three arguments.")
230 if os.getenv("GIT_DEBUG_TESTGIT"):
231 import git_remote_helpers.util
232 git_remote_helpers.util.DEBUG = True
234 alias = sanitize(args[1])
235 url = sanitize(args[2])
237 if not alias.isalnum():
238 warn("non-alnum alias '%s'", alias)
244 repo = get_repo(alias, url)
246 debug("Got arguments %s", args[1:])
251 more = read_one_line(repo)
253 if __name__ == '__main__':
254 sys.exit(main(sys.argv))