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Viewing changes to fetch_ghosts.py

  • Committer: Aaron Bentley
  • Date: 2005-11-10 20:15:27 UTC
  • Revision ID: aaron.bentley@utoronto.ca-20051110201527-8caa84ae529a1871
Added Daniel Silverstone to credits

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fetch_ghosts.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.branch import Branch
 
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from bzrlib.fetch import greedy_fetch
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from bzrlib.errors import NoSuchRevision, InstallFailed, BzrCommandError
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def fetch_ghosts(branch, no_fix):
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    """Install ghosts from copies in another branch."""
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    installed = []
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    failed = []
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    lock_other = this_branch.base != other_branch.base
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    this_branch.lock_write()
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    try:
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        if lock_other:
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            ghosts = iter_ghosts(this_branch)
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            for revision in ghosts:
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                try:
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                    this_branch.fetch(other_branch, revision)
 
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                    greedy_fetch(this_branch, other_branch, revision)
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                    installed.append(revision)
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                except InstallFailed:
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                    failed.append(revision)
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            else:
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                if this_branch.last_revision() is None:
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                    print "No revisions in branch."
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            if len(installed) > 0:
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                print "Installed:"
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                for rev in installed:
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        this_branch.unlock()
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    if not no_fix and len(installed) > 0:
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        from bzrlib.builtins import cmd_reconcile
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        cmd_reconcile().run(".")
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        from reweave_inventory import cmd_fix
 
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        cmd_fix().run(".")
 
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def iter_ghosts(branch):
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    """Find all ancestors that aren't stored in this branch."""
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    seen = set()
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    lines = [branch.last_revision()]
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    if lines[0] is None:
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        return
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    while len(lines) > 0:
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        new_lines = []
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        for line in lines:
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                continue
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            seen.add(line)
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            try:
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                revision = branch.repository.get_revision(line)
 
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                revision = branch.get_revision(line)
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                new_lines.extend(revision.parent_ids)
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            except NoSuchRevision:
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                yield line