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#!/usr/bin/env python
"""\
Remove the last committed revision.
Does not modify the working tree, use 'bzr revert' for that.
"""
import bzrlib, bzrlib.commands
class cmd_uncommit(bzrlib.commands.Command):
"""Remove the last committed revision.
By supplying the --remove flag, it will not only remove the entry
from revision_history, but also remove all of the entries in the
stores.
--verbose will print out what is being removed.
--dry-run will go through all the motions, but not actually
remove anything.
In the future, uncommit will create a changeset, which can then
be re-applied.
"""
takes_options = ['remove', 'dry-run', 'verbose', 'revision']
takes_args = ['location?']
aliases = []
def run(self, location=None, remove=False,
dry_run=False, verbose=False,
revision=None):
from bzrlib.branch import Branch
from bzrlib.log import log_formatter
import uncommit, sys
if location is None:
location = '.'
b = Branch.open_containing(location)
if revision is None:
revno = b.revno()
rev_id = b.last_patch()
else:
revno, rev_id = revision[0].in_history(b)
if rev_id is None:
print 'No revisions to uncommit.'
for r in range(revno, b.revno()+1):
rev_id = b.get_rev_id(revno)
lf = log_formatter('short', to_file=sys.stdout,show_timezone='original')
lf.show(r, b.get_revision(rev_id), None)
print 'The above revision(s) will be removed.'
val = raw_input('Are you sure [y/N]? ')
if val.lower() not in ('y', 'yes'):
print 'Canceled'
return 0
uncommit.uncommit(b, remove_files=remove,
dry_run=dry_run, verbose=verbose,
revno=revno)
bzrlib.commands.register_command(cmd_uncommit)
bzrlib.commands.OPTIONS['remove'] = None
bzrlib.commands.OPTIONS['dry-run'] = None
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