diff options
Diffstat (limited to 'gbp/git.py')
-rw-r--r-- | gbp/git.py | 67 |
1 files changed, 66 insertions, 1 deletions
@@ -1,7 +1,7 @@ # vim: set fileencoding=utf-8 : # # (C) 2006,2007,2008 Guido Guenther <agx@sigxcpu.org> -"""provides some git repository related helpers""" +"""provides git repository related helpers""" import subprocess import os.path @@ -222,6 +222,71 @@ class GitRepository(object): return (name, email) +class FastImport(object): + """Invoke git-fast-import""" + _bufsize = 1024 + + m_regular = 644 + m_exec = 755 + m_symlink = 120000 + + def __init__(self): + try: + self._fi = subprocess.Popen([ 'git', 'fast-import', '--quiet'], stdin=subprocess.PIPE) + self._out = self._fi.stdin + except OSError, err: + raise GbpError, "Error spawning git fast-import: %s", err + except ValueError, err: + raise GbpError, "Invalid argument when spawning git fast-import: %s", err + + def _do_data(self, fd, size): + self._out.write("data %s\n" % size) + while True: + data = fd.read(self._bufsize) + self._out.write(data) + if len(data) != self._bufsize: + break + self._out.write("\n") + + def _do_file(self, filename, mode, fd, size): + name = "/".join(filename.split('/')[1:]) + self._out.write("M %d inline %s\n" % (mode, name)) + self._do_data(fd, size) + + def add_file(self, filename, fd, size): + self._do_file(filename, self.m_regular, fd, size) + + def add_executable(self, filename, fd, size): + self._do_file(filename, self.m_exec, fd, size) + + def add_symlink(self, filename, linkname): + name = "/".join(filename.split('/')[1:]) + self._out.write("M %d inline %s\n" % (self.m_symlink, name)) + self._out.write("data %s\n" % len(linkname)) + self._out.write("%s\n" % linkname) + + def start_commit(self, branch, committer, email, time, msg): + length = len(msg) + self._out.write("""commit refs/heads/%(branch)s +committer %(committer)s <%(email)s> %(time)s +data %(length)s +%(msg)s +from refs/heads/%(branch)s^0 +""" % locals()) + + def do_deleteall(self): + self._out.write("deleteall\n") + + def close(self): + if self._out: + self._out.close() + if self._fi: + self._fi.wait() + + def __del__(self): + self.close() + + def create_repo(path): """create a repository at path""" abspath = os.path.abspath(path) |