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)
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.
76 if not read_one_line(repo):
77 die("Expected gitdir, got empty line")
79 print "refspec refs/heads/*:%s*" % repo.prefix
81 dirname = repo.get_base_path(repo.gitdir)
83 if not os.path.exists(dirname):
86 path = os.path.join(dirname, 'testgit.marks')
88 print "*export-marks %s" % path
89 if os.path.exists(path):
90 print "*import-marks %s" % path
92 print # end capabilities
95 def do_list(repo, args):
96 """Lists all known references.
98 Bug: This will always set the remote head to master for non-local
99 repositories, since we have no way of determining what the remote
100 head is at clone time.
103 for ref in repo.revs:
104 debug("? refs/heads/%s", ref)
105 print "? refs/heads/%s" % ref
108 debug("@refs/heads/%s HEAD" % repo.head)
109 print "@refs/heads/%s HEAD" % repo.head
111 debug("@refs/heads/master HEAD")
112 print "@refs/heads/master HEAD"
117 def update_local_repo(repo):
118 """Updates (or clones) a local repo.
124 path = repo.non_local.clone(repo.gitdir)
125 repo.non_local.update(repo.gitdir)
126 repo = local_repo(repo, path)
130 def do_import(repo, args):
131 """Exports a fast-import stream from testgit for git to import.
135 die("Import expects its ref seperately")
138 die("Need gitdir to import")
143 line = sys.stdin.readline()
146 refs.append(line.strip())
148 repo = update_local_repo(repo)
149 repo.exporter.export_repo(repo.gitdir)
154 def do_export(repo, args):
155 """Imports a fast-import stream from git to testgit.
159 die("Need gitdir to export")
164 line = sys.stdin.readline()
167 refs.append(line.strip())
169 update_local_repo(repo)
170 repo.importer.do_import(repo.gitdir)
173 repo.non_local.push(repo.gitdir)
181 def do_gitdir(repo, args):
182 """Stores the location of the gitdir.
186 die("gitdir needs an argument")
188 repo.gitdir = ' '.join(args)
192 'capabilities': do_capabilities,
201 """Cleans up the url.
204 if value.startswith('testgit::'):
210 def read_one_line(repo):
211 """Reads and processes one command.
214 line = sys.stdin.readline()
219 warn("Unexpected EOF")
222 cmdline = cmdline.strip().split()
224 # Blank line means we're about to quit
228 debug("Got command '%s' with args '%s'", cmd, ' '.join(cmdline))
230 if cmd not in COMMANDS:
231 die("Unknown command, %s", cmd)
241 """Starts a new remote helper for the specified repository.
245 die("Expecting exactly three arguments.")
248 if os.getenv("GIT_DEBUG_TESTGIT"):
249 import git_remote_helpers.util
250 git_remote_helpers.util.DEBUG = True
252 alias = sanitize(args[1])
253 url = sanitize(args[2])
255 if not alias.isalnum():
256 warn("non-alnum alias '%s'", alias)
262 repo = get_repo(alias, url)
264 debug("Got arguments %s", args[1:])
269 more = read_one_line(repo)
271 if __name__ == '__main__':
272 sys.exit(main(sys.argv))