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![Brandon Casey](/assets/img/avatar_default.png)
The following python 2.5 features were worked around: * the sha module is used as a fallback when the hashlib module is not available * the 'any' built-in method was replaced with a 'for' loop * a conditional expression was replaced with an 'if' statement * the subprocess.check_call method was replaced by a call to subprocess.Popen followed by a call to subprocess.wait with a check of its return status These changes allow the python infrastructure to be used with python 2.4 which is distributed with RedHat's RHEL 5, for example. t5800 was updated to check for python >= 2.4 to reflect these changes. Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil> Signed-off-by: Junio C Hamano <gitster@pobox.com>
245 lines
5.1 KiB
Python
245 lines
5.1 KiB
Python
#!/usr/bin/env python
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# hashlib is only available in python >= 2.5
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try:
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import hashlib
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_digest = hashlib.sha1
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except ImportError:
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import sha
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_digest = sha.new
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import sys
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import os
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sys.path.insert(0, os.getenv("GITPYTHONLIB","."))
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from git_remote_helpers.util import die, debug, warn
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from git_remote_helpers.git.repo import GitRepo
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from git_remote_helpers.git.exporter import GitExporter
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from git_remote_helpers.git.importer import GitImporter
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from git_remote_helpers.git.non_local import NonLocalGit
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def get_repo(alias, url):
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"""Returns a git repository object initialized for usage.
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"""
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repo = GitRepo(url)
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repo.get_revs()
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repo.get_head()
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hasher = _digest()
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hasher.update(repo.path)
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repo.hash = hasher.hexdigest()
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repo.get_base_path = lambda base: os.path.join(
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base, 'info', 'fast-import', repo.hash)
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prefix = 'refs/testgit/%s/' % alias
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debug("prefix: '%s'", prefix)
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repo.gitdir = ""
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repo.alias = alias
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repo.prefix = prefix
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repo.exporter = GitExporter(repo)
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repo.importer = GitImporter(repo)
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repo.non_local = NonLocalGit(repo)
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return repo
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def local_repo(repo, path):
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"""Returns a git repository object initalized for usage.
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"""
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local = GitRepo(path)
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local.non_local = None
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local.gitdir = repo.gitdir
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local.alias = repo.alias
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local.prefix = repo.prefix
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local.hash = repo.hash
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local.get_base_path = repo.get_base_path
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local.exporter = GitExporter(local)
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local.importer = GitImporter(local)
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return local
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def do_capabilities(repo, args):
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"""Prints the supported capabilities.
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"""
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print "import"
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print "export"
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print "gitdir"
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print "refspec refs/heads/*:%s*" % repo.prefix
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print # end capabilities
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def do_list(repo, args):
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"""Lists all known references.
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Bug: This will always set the remote head to master for non-local
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repositories, since we have no way of determining what the remote
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head is at clone time.
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"""
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for ref in repo.revs:
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debug("? refs/heads/%s", ref)
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print "? refs/heads/%s" % ref
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if repo.head:
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debug("@refs/heads/%s HEAD" % repo.head)
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print "@refs/heads/%s HEAD" % repo.head
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else:
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debug("@refs/heads/master HEAD")
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print "@refs/heads/master HEAD"
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print # end list
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def update_local_repo(repo):
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"""Updates (or clones) a local repo.
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"""
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if repo.local:
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return repo
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path = repo.non_local.clone(repo.gitdir)
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repo.non_local.update(repo.gitdir)
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repo = local_repo(repo, path)
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return repo
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def do_import(repo, args):
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"""Exports a fast-import stream from testgit for git to import.
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"""
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if len(args) != 1:
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die("Import needs exactly one ref")
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if not repo.gitdir:
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die("Need gitdir to import")
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repo = update_local_repo(repo)
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repo.exporter.export_repo(repo.gitdir)
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def do_export(repo, args):
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"""Imports a fast-import stream from git to testgit.
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"""
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if not repo.gitdir:
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die("Need gitdir to export")
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dirname = repo.get_base_path(repo.gitdir)
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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path = os.path.join(dirname, 'testgit.marks')
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print path
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if os.path.exists(path):
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print path
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else:
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print ""
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sys.stdout.flush()
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update_local_repo(repo)
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repo.importer.do_import(repo.gitdir)
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repo.non_local.push(repo.gitdir)
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def do_gitdir(repo, args):
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"""Stores the location of the gitdir.
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"""
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if not args:
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die("gitdir needs an argument")
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repo.gitdir = ' '.join(args)
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COMMANDS = {
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'capabilities': do_capabilities,
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'list': do_list,
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'import': do_import,
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'export': do_export,
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'gitdir': do_gitdir,
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}
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def sanitize(value):
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"""Cleans up the url.
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"""
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if value.startswith('testgit::'):
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value = value[9:]
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return value
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def read_one_line(repo):
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"""Reads and processes one command.
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"""
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line = sys.stdin.readline()
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cmdline = line
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if not cmdline:
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warn("Unexpected EOF")
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return False
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cmdline = cmdline.strip().split()
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if not cmdline:
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# Blank line means we're about to quit
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return False
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cmd = cmdline.pop(0)
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debug("Got command '%s' with args '%s'", cmd, ' '.join(cmdline))
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if cmd not in COMMANDS:
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die("Unknown command, %s", cmd)
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func = COMMANDS[cmd]
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func(repo, cmdline)
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sys.stdout.flush()
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return True
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def main(args):
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"""Starts a new remote helper for the specified repository.
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"""
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if len(args) != 3:
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die("Expecting exactly three arguments.")
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sys.exit(1)
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if os.getenv("GIT_DEBUG_TESTGIT"):
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import git_remote_helpers.util
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git_remote_helpers.util.DEBUG = True
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alias = sanitize(args[1])
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url = sanitize(args[2])
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if not alias.isalnum():
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warn("non-alnum alias '%s'", alias)
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alias = "tmp"
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args[1] = alias
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args[2] = url
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repo = get_repo(alias, url)
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debug("Got arguments %s", args[1:])
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more = True
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while (more):
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more = read_one_line(repo)
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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