/brz/remove-bazaar

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Add simple HACKING document.

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commands.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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"""Git-specific subcommands for Bazaar."""
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from bzrlib.commands import Command
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from bzrlib.option import Option
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from bzrlib.plugins.git import get_rich_root_format
 
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class cmd_git_serve(Command):
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    """Provide access to a Bazaar branch using the git protocol.
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        server = TCPGitServer(backend, 'localhost')
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        server.serve_forever()
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class cmd_git_import(Command):
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    """Import all branches from a git repository.
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    """
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    takes_args = ["src_location", "dest_location"]
 
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    takes_args = ["src_location", "dest_location?"]
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    def run(self, src_location, dest_location):
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        from bzrlib.bzrdir import BzrDir, format_registry
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        from bzrlib.errors import NoRepositoryPresent, NotBranchError
 
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    def run(self, src_location, dest_location=None):
 
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        import os
 
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        from bzrlib import (
 
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            ui,
 
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            urlutils,
 
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            )
 
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        from bzrlib.bzrdir import (
 
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            BzrDir,
 
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            format_registry,
 
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            )
 
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        from bzrlib.errors import (
 
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            BzrCommandError,
 
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            NoRepositoryPresent,
 
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            NotBranchError,
 
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            )
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        from bzrlib.repository import Repository
 
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        from bzrlib.plugins.git.branch import GitBranch
 
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        from bzrlib.plugins.git.fetch import InterGitNonGitRepository
 
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        from bzrlib.plugins.git.repository import GitRepository
 
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        if dest_location is None:
 
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            dest_location = os.path.basename(src_location.rstrip("/\\"))
 
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        source_repo = Repository.open(src_location)
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        format = format_registry.make_bzrdir('rich-root-pack')
 
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        if not isinstance(source_repo, GitRepository):
 
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            raise BzrCommandError("%r is not a git repository" % src_location)
 
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        format = get_rich_root_format()
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        try:
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            target_bzrdir = BzrDir.open(dest_location)
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        except NotBranchError:
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        except NoRepositoryPresent:
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            target_repo = target_bzrdir.create_repository(shared=True)
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        target_repo.fetch(source_repo)
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        for name, ref in source_repo._git.heads().iteritems():
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            head_loc = os.path.join(dest_location, name)
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            try:
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                head_bzrdir = BzrDir.open(head_loc)
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            except NotBranchError:
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                head_bzrdir = BzrDir.create(head_loc, format=format)
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            try:
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                head_branch = head_bzrdir.open_branch()
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            except NotBranchError:
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                head_branch = head_bzrdir.create_branch()
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            head_branch.generate_revision_history(source_repo.get_mapping().revision_id_foreign_to_bzr(ref))
 
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        interrepo = InterGitNonGitRepository(source_repo, target_repo)
 
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        mapping = source_repo.get_mapping()
 
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        refs = interrepo.fetch_refs()
 
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        pb = ui.ui_factory.nested_progress_bar()
 
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        try:
 
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            for i, (name, ref) in enumerate(refs.iteritems()):
 
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                if name.startswith("refs/tags/"):
 
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                    continue
 
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                pb.update("creating branches", i, len(refs))
 
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                head_loc = os.path.join(dest_location, name)
 
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                try:
 
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                    head_bzrdir = BzrDir.open(head_loc)
 
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                except NotBranchError:
 
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                    parent_path = urlutils.dirname(head_loc)
 
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                    if not os.path.isdir(parent_path):
 
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                        os.makedirs(parent_path)
 
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                    head_bzrdir = BzrDir.create(head_loc, format=format)
 
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                try:
 
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                    head_branch = head_bzrdir.open_branch()
 
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                except NotBranchError:
 
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                    head_branch = head_bzrdir.create_branch()
 
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                revid = mapping.revision_id_foreign_to_bzr(ref)
 
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                source_branch = GitBranch(source_repo.bzrdir, source_repo, 
 
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                    name, ref, None)
 
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                head_branch.generate_revision_history(revid)
 
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                source_branch.tags.merge_to(head_branch.tags)
 
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        finally:
 
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            pb.finished()
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