6 from git_remote_helpers.util import die, debug, warn
7 from git_remote_helpers.git.repo import GitRepo
8 from git_remote_helpers.git.exporter import GitExporter
9 from git_remote_helpers.git.importer import GitImporter
10 from git_remote_helpers.git.non_local import NonLocalGit
12 def get_repo(alias, url):
13 """Returns a git repository object initialized for usage.
20 hasher = hashlib.sha1()
21 hasher.update(repo.path)
22 repo.hash = hasher.hexdigest()
24 repo.get_base_path = lambda base: os.path.join(
25 base, 'info', 'fast-import', repo.hash)
27 prefix = 'refs/testgit/%s/' % alias
28 debug("prefix: '%s'", prefix)
34 repo.exporter = GitExporter(repo)
35 repo.importer = GitImporter(repo)
36 repo.non_local = NonLocalGit(repo)
41 def local_repo(repo, path):
42 """Returns a git repository object initalized for usage.
47 local.non_local = None
48 local.gitdir = repo.gitdir
49 local.alias = repo.alias
50 local.prefix = repo.prefix
51 local.hash = repo.hash
52 local.get_base_path = repo.get_base_path
53 local.exporter = GitExporter(local)
54 local.importer = GitImporter(local)
59 def do_capabilities(repo, args):
60 """Prints the supported capabilities.
66 print "refspec refs/heads/*:%s*" % repo.prefix
68 print # end capabilities
71 def do_list(repo, args):
72 """Lists all known references.
74 Bug: This will always set the remote head to master for non-local
75 repositories, since we have no way of determining what the remote
76 head is at clone time.
80 debug("? refs/heads/%s", ref)
81 print "? refs/heads/%s" % ref
84 debug("@refs/heads/%s HEAD" % repo.head)
85 print "@refs/heads/%s HEAD" % repo.head
87 debug("@refs/heads/master HEAD")
88 print "@refs/heads/master HEAD"
93 def update_local_repo(repo):
94 """Updates (or clones) a local repo.
100 path = repo.non_local.clone(repo.gitdir)
101 repo.non_local.update(repo.gitdir)
102 repo = local_repo(repo, path)
106 def do_import(repo, args):
107 """Exports a fast-import stream from testgit for git to import.
111 die("Import needs exactly one ref")
114 die("Need gitdir to import")
116 repo = update_local_repo(repo)
117 repo.exporter.export_repo(repo.gitdir)
120 def do_export(repo, args):
121 """Imports a fast-import stream from git to testgit.
125 die("Need gitdir to export")
127 dirname = repo.get_base_path(repo.gitdir)
129 if not os.path.exists(dirname):
132 path = os.path.join(dirname, 'testgit.marks')
134 print path if os.path.exists(path) else ""
137 update_local_repo(repo)
138 repo.importer.do_import(repo.gitdir)
139 repo.non_local.push(repo.gitdir)
142 def do_gitdir(repo, args):
143 """Stores the location of the gitdir.
147 die("gitdir needs an argument")
149 repo.gitdir = ' '.join(args)
153 'capabilities': do_capabilities,
162 """Cleans up the url.
165 if value.startswith('testgit::'):
171 def read_one_line(repo):
172 """Reads and processes one command.
175 line = sys.stdin.readline()
180 warn("Unexpected EOF")
183 cmdline = cmdline.strip().split()
185 # Blank line means we're about to quit
189 debug("Got command '%s' with args '%s'", cmd, ' '.join(cmdline))
191 if cmd not in COMMANDS:
192 die("Unknown command, %s", cmd)
202 """Starts a new remote helper for the specified repository.
206 die("Expecting exactly three arguments.")
209 if os.getenv("GIT_DEBUG_TESTGIT"):
210 import git_remote_helpers.util
211 git_remote_helpers.util.DEBUG = True
213 alias = sanitize(args[1])
214 url = sanitize(args[2])
216 if not alias.isalnum():
217 warn("non-alnum alias '%s'", alias)
223 repo = get_repo(alias, url)
225 debug("Got arguments %s", args[1:])
230 more = read_one_line(repo)
232 if __name__ == '__main__':
233 sys.exit(main(sys.argv))