/brz/remove-bazaar

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server.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from bzrlib.bzrdir import BzrDir
 
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from bzrlib.repository import Repository
 
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from bzrlib.plugins.git.fetch import import_git_objects
 
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from bzrlib.plugins.git.mapping import default_mapping
 
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from dulwich.server import Backend
 
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from dulwich.pack import Pack, PackData, write_pack_index_v2
 
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from dulwich.objects import ShaFile
 
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import os, tempfile
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class BzrBackend(Backend):
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    def __init__(self, directory):
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        self.directory = directory
 
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        self.mapping = default_mapping
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    def get_refs(self):
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        """ return a dict of all tags and branches in repository (and shas) """
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    def apply_pack(self, refs, read):
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        """ apply pack from client to current repository """
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        self.read()
 
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        fd, path = tempfile.mkstemp(suffix=".pack")
 
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        f = os.fdopen(fd, 'w')
 
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        f.write(read())
 
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        f.close()
 
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        p = PackData(path)
 
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        entries = p.sorted_entries()
 
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        write_pack_index_v2(path[:-5]+".idx", entries, p.calculate_checksum())
 
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        def get_objects():
 
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            pack = Pack(path[:-5])
 
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            for obj in pack.iterobjects():
 
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                yield obj
 
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        target = Repository.open(self.directory)
 
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        target.lock_write()
 
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        try:
 
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            target.start_write_group()
 
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            try:
 
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                import_git_objects(target, self.mapping, iter(get_objects()))
 
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            finally:
 
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                target.commit_write_group()
 
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        finally:
 
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            target.unlock()
 
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        for oldsha, sha, ref in refs:
 
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            if ref[:11] == 'refs/heads/':
 
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                branch_nick = ref[11:]
 
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                try:
 
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                    target_dir = BzrDir.open(self.directory + "/" + branch_nick)
 
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                except:
 
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                    target_dir = BzrDir.create(self.directory + "/" + branch_nick)
 
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                try:
 
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                    target_branch = target_dir.open_branch()
 
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                except:
 
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                    target_branch = target_dir.create_branch()
 
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                rev_id = self.mapping.revision_id_foreign_to_bzr(sha)
 
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                target_branch.generate_revision_history(rev_id) 
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    def fetch_objects(self, determine_wants, graph_walker, progress):
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        """ yield git objects to send to client """