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Viewing changes to bzrlib/bundle/commands.py

  • Committer: Aaron Bentley
  • Date: 2007-07-03 22:44:19 UTC
  • mto: (2520.4.120 bzr.mpbundle)
  • mto: This revision was merged to the branch mainline in revision 2631.
  • Revision ID: abentley@panoramicfeedback.com-20070703224419-f0t5tyj6zhlubyfh
Replace 'bundle-revisions' with 'submit' command

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bzrlib/bundle/commands.py
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"""
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import sys
 
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib import (
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    branch,
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    errors,
 
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    merge_directive,
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    revision as _mod_revision,
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    urlutils,
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    transport,
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from bzrlib.trace import note
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class cmd_bundle_revisions(Command):
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    """Generate a revision bundle.
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    This bundle contains all of the meta-information of a
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    diff, rather than just containing the patch information.
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    You can apply it to another tree using 'bzr merge'.
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    bzr bundle-revisions
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        - Generate a bundle relative to a remembered location
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    bzr bundle-revisions BASE
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        - Bundle to apply the current tree into BASE
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    bzr bundle-revisions --revision A
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        - Bundle to apply revision A to remembered location 
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    bzr bundle-revisions --revision A..B
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        - Bundle to transform A into B
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    """
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    takes_options = ['revision', 'remember',
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                     Option("output", help="write bundle to specified file",
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                            type=unicode)]
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    takes_args = ['base?']
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    aliases = ['bundle']
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    encoding_type = 'exact'
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    def run(self, base=None, revision=None, output=None, remember=False):
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        from bzrlib import user_encoding
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        from bzrlib.bundle.serializer import write_bundle
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        target_branch = branch.Branch.open_containing(u'.')[0]
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        target_branch.lock_write()
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        locked = [target_branch]
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        try:
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            if base is None:
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                base_specified = False
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            else:
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                base_specified = True
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            if revision is None:
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                target_revision = target_branch.last_revision()
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            elif len(revision) < 3:
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                target_revision = revision[-1].in_history(target_branch).rev_id
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                if len(revision) == 2:
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                    if base_specified:
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                        raise errors.BzrCommandError(
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                            'Cannot specify base as well as two revision'
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                            ' arguments.')
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                    revspec = revision[0].in_history(target_branch)
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                    base_revision = revspec.rev_id
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            else:
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                raise errors.BzrCommandError('--revision takes 1 or 2 '
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                                             'parameters')
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            if revision is None or len(revision) < 2:
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                submit_branch = target_branch.get_submit_branch()
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                if base is None:
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                    base = submit_branch
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                if base is None:
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                    base = target_branch.get_parent()
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                if base is None:
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                    raise errors.BzrCommandError("No base branch known or"
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                                                 " specified.")
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                elif not base_specified:
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                    # FIXME:
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                    # note() doesn't pay attention to terminal_encoding() so
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                    # we must format with 'ascii' to be safe
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                    note('Using saved location: %s',
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                         urlutils.unescape_for_display(base, 'ascii'))
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                base_branch = branch.Branch.open(base)
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                base_branch.lock_read()
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                locked.append(base_branch)
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                if submit_branch is None or remember:
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                    if base_specified:
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                        target_branch.set_submit_branch(base_branch.base)
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                    elif remember:
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                        raise errors.BzrCommandError(
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                            '--remember requires a branch to be specified.')
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                target_branch.repository.fetch(base_branch.repository,
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                                               base_branch.last_revision())
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                graph = target_branch.repository.get_graph()
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                base_revision = graph.find_unique_lca(
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                    _mod_revision.ensure_null(base_branch.last_revision()),
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                    _mod_revision.ensure_null(target_revision))
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            if output is not None:
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                fileobj = file(output, 'wb')
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            else:
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                fileobj = sys.stdout
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            write_bundle(target_branch.repository, target_revision,
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                         base_revision, fileobj)
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        finally:
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            for item in reversed(locked):
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                item.unlock()
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class cmd_bundle_info(Command):
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    """Output interesting stats about a bundle"""
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    hidden = True
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    takes_args = ['location']
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    takes_options = [Option('verbose', help="output decoded contents",
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                            short_name='v')]
 
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    takes_options = []
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    encoding_type = 'exact'
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    def run(self, location, verbose=False):
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        from bzrlib.bundle.serializer import read_bundle
 
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        from bzrlib.bundle import read_mergeable_from_url
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        from bzrlib import osutils
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        term_encoding = osutils.get_terminal_encoding()
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        dirname, basename = urlutils.split(location)
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        bundle_file = transport.get_transport(dirname).get(basename)
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        bundle_info = read_bundle(bundle_file)
 
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        bundle_info = read_mergeable_from_url(location)
 
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        if isinstance(bundle_info, merge_directive._BaseMergeDirective):
 
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            bundle_info = read_bundle(StringIO(bundle_info.get_raw_bundle()))
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        reader_method = getattr(bundle_info, 'get_bundle_reader', None)
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        if reader_method is None:
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            raise errors.BzrCommandError('Bundle format not supported')