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# Copyright (C) 2005 by Aaron Bentley
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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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.branch import Branch
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from bzrlib.fetch import greedy_fetch
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from bzrlib.errors import NoSuchRevision, InstallFailed
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def fetch_missing(branch):
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"""Install the revisions of missing ancestors from another branch."""
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this_branch = Branch.open_containing('.')
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branch = this_branch.get_parent()
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other_branch = Branch.open_containing(branch)
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# Because iter_missing_ancestors tests for existence after our last fetch
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# is complete, it won't falsely report an ancestor as missing.
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missing = iter_missing_ancestors(this_branch)
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for revision in missing:
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greedy_fetch(this_branch, other_branch, revision)
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installed.append(revision)
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failed.append(revision)
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if len(installed) > 0:
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print "Still missing:"
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def iter_missing_ancestors(branch):
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"""Find all ancestors that aren't stored in this branch."""
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lines = [branch.last_patch()]
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revision = branch.get_revision(line)
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new_lines.extend([r.revision_id for r in revision.parents])
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except NoSuchRevision: