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  • Committer: Patch Queue Manager
  • Date: 2012-07-23 17:56:45 UTC
  • mfrom: (6538.1.34 branch-store)
  • Revision ID: pqm@pqm.ubuntu.com-20120723175645-92crzj8j7bfnuglm
(abentley) switch --store stores uncommitted changes in branch (Aaron
 Bentley)

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bzrlib/switch.py
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# Original author: David Allouche
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from bzrlib import errors, merge, revision
 
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from bzrlib import (
 
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    errors,
 
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    lock,
 
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    merge,
 
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    revision
 
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    )
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from bzrlib.branch import Branch
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from bzrlib.i18n import gettext
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from bzrlib.trace import note
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    for hook in hooks:
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        hook(params)
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def switch(control_dir, to_branch, force=False, quiet=False, revision_id=None):
 
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def switch(control_dir, to_branch, force=False, quiet=False, revision_id=None,
 
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           store_uncommitted=False):
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    """Switch the branch associated with a checkout.
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    :param control_dir: ControlDir of the checkout to change
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    :param to_branch: branch that the checkout is to reference
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    :param force: skip the check for local commits in a heavy checkout
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    :param revision_id: revision ID to switch to.
 
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    :param store_uncommitted: If True, store uncommitted changes in the
 
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        branch.
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    """
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    _check_pending_merges(control_dir, force)
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    try:
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        source_repository = control_dir.open_branch().repository
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    except errors.NotBranchError:
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        source_repository = to_branch.repository
 
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    if store_uncommitted:
 
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        with lock.write_locked(control_dir.open_workingtree()) as tree:
 
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            tree.store_uncommitted()
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    to_branch.lock_read()
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    try:
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        _set_branch_location(control_dir, to_branch, force)
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    finally:
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        to_branch.unlock()
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    tree = control_dir.open_workingtree()
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    _update(tree, source_repository, quiet, revision_id)
 
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    _update(tree, source_repository, quiet, revision_id, store_uncommitted)
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    _run_post_switch_hooks(control_dir, to_branch, force, revision_id)
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def _check_pending_merges(control, force=False):
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    return False
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def _update(tree, source_repository, quiet=False, revision_id=None):
 
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def _update(tree, source_repository, quiet=False, revision_id=None,
 
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            restore_uncommitted=False):
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    """Update a working tree to the latest revision of its branch.
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    :param tree: the working tree
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    :param source_repository: repository holding the revisions
 
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    :param restore_uncommitted: restore any uncommitted changes in the branch.
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    """
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    tree.lock_tree_write()
 
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    if restore_uncommitted:
 
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        tree.lock_write()
 
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    else:
 
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        tree.lock_tree_write()
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    try:
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        to_branch = tree.branch
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        if revision_id is None:
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        if tree.last_revision() == revision_id:
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            if not quiet:
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                note(gettext("Tree is up to date at revision %d."), to_branch.revno())
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            return
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        base_tree = source_repository.revision_tree(tree.last_revision())
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        merge.Merge3Merger(tree, tree, base_tree, to_branch.repository.revision_tree(revision_id))
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        tree.set_last_revision(to_branch.last_revision())
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        if not quiet:
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            note(gettext('Updated to revision %d.') % to_branch.revno())
 
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        else:
 
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            base_tree = source_repository.revision_tree(tree.last_revision())
 
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            merge.Merge3Merger(tree, tree, base_tree,
 
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                               to_branch.repository.revision_tree(revision_id))
 
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            tree.set_last_revision(to_branch.last_revision())
 
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            if not quiet:
 
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                note(gettext('Updated to revision %d.') % to_branch.revno())
 
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        if restore_uncommitted:
 
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            tree.restore_uncommitted()
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    finally:
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        tree.unlock()