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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
from bzrlib import (
delta as _mod_delta,
osutils,
tree,
tsort,
revision as _mod_revision,
)
from bzrlib.diff import _raise_if_nonexistent
import bzrlib.errors as errors
from bzrlib.log import line_log
from bzrlib.osutils import is_inside_any
from bzrlib.symbol_versioning import (deprecated_function,
)
from bzrlib.trace import warning
# TODO: when showing single-line logs, truncate to the width of the terminal
# if known, but only if really going to the terminal (not into a file)
def show_tree_status(wt, show_unchanged=None,
specific_files=None,
show_ids=False,
to_file=None,
show_pending=True,
revision=None,
short=False,
versioned=False):
"""Display summary of changes.
By default this compares the working tree to a previous revision.
If the revision argument is given, summarizes changes between the
working tree and another, or between two revisions.
The result is written out as Unicode and to_file should be able
to encode that.
If showing the status of a working tree, extra information is included
about unknown files, conflicts, and pending merges.
:param show_unchanged: Deprecated parameter. If set, includes unchanged
files.
:param specific_files: If set, a list of filenames whose status should be
shown. It is an error to give a filename that is not in the working
tree, or in the working inventory or in the basis inventory.
:param show_ids: If set, includes each file's id.
:param to_file: If set, write to this file (default stdout.)
:param show_pending: If set, write pending merges.
:param revision: If None the compare latest revision with working tree
If not None it must be a RevisionSpec list.
If one revision show compared it with working tree.
If two revisions show status between first and second.
:param short: If True, gives short SVN-style status lines.
:param versioned: If True, only shows versioned files.
"""
if show_unchanged is not None:
warn("show_status_trees with show_unchanged has been deprecated "
"since bzrlib 0.9", DeprecationWarning, stacklevel=2)
if to_file is None:
to_file = sys.stdout
wt.lock_read()
try:
new_is_working_tree = True
if revision is None:
if wt.last_revision() != wt.branch.last_revision():
warning("working tree is out of date, run 'bzr update'")
new = wt
old = new.basis_tree()
elif len(revision) > 0:
try:
rev_id = revision[0].as_revision_id(wt.branch)
old = wt.branch.repository.revision_tree(rev_id)
except errors.NoSuchRevision, e:
raise errors.BzrCommandError(str(e))
if (len(revision) > 1) and (revision[1].spec is not None):
try:
rev_id = revision[1].as_revision_id(wt.branch)
new = wt.branch.repository.revision_tree(rev_id)
new_is_working_tree = False
except errors.NoSuchRevision, e:
raise errors.BzrCommandError(str(e))
else:
new = wt
old.lock_read()
new.lock_read()
try:
_raise_if_nonexistent(specific_files, old, new)
want_unversioned = not versioned
if short:
changes = new.iter_changes(old, show_unchanged, specific_files,
require_versioned=False, want_unversioned=want_unversioned)
reporter = _mod_delta._ChangeReporter(output_file=to_file,
unversioned_filter=new.is_ignored)
_mod_delta.report_changes(changes, reporter)
else:
delta = new.changes_from(old, want_unchanged=show_unchanged,
specific_files=specific_files,
want_unversioned=want_unversioned)
# filter out unknown files. We may want a tree method for
# this
delta.unversioned = [unversioned for unversioned in
delta.unversioned if not new.is_ignored(unversioned[0])]
delta.show(to_file,
show_ids=show_ids,
show_unchanged=show_unchanged,
short_status=False)
# show the new conflicts only for now. XXX: get them from the
# delta.
conflicts = new.conflicts()
if specific_files is not None:
conflicts = conflicts.select_conflicts(new, specific_files,
ignore_misses=True, recurse=True)[1]
if len(conflicts) > 0 and not short:
to_file.write("conflicts:\n")
for conflict in conflicts:
if short:
prefix = 'C '
else:
prefix = ' '
to_file.write("%s %s\n" % (prefix, conflict))
if (new_is_working_tree and show_pending
and specific_files is None):
show_pending_merges(new, to_file, short)
finally:
old.unlock()
new.unlock()
finally:
wt.unlock()
def show_pending_merges(new, to_file, short=False):
"""Write out a display of pending merges in a working tree."""
parents = new.get_parent_ids()
if len(parents) < 2:
return
pending = parents[1:]
branch = new.branch
last_revision = parents[0]
if not short:
to_file.write('pending merges:\n')
ignore = set([None, last_revision, _mod_revision.NULL_REVISION])
graph = branch.repository.get_graph()
for merge in pending:
# Find all of the revisions in the merge source, which are not in the
# last committed revision.
# We don't care about last_extra
last_extra, merge_extra = graph.find_difference(last_revision, merge)
# Now that we have the revisions, we need to sort them to get a proper
# listing. We want to sort in reverse topological order (which
# MergeSorter gives us). MergeSorter requires that there are no
# dangling references, though, so clean up the graph to point to only
# present nodes.
merge_extra.discard(_mod_revision.NULL_REVISION)
merged_graph = {}
parent_map = graph.get_parent_map(merge_extra)
for next_merge in merge_extra:
if next_merge not in parent_map: # ghost
merged_graph[next_merge] = []
else:
merged_graph[next_merge] = [p for p in parent_map[next_merge]
if p in merge_extra]
sorter = tsort.MergeSorter(merged_graph, merge)
# Get a handle to all of the revisions we will need
width = osutils.terminal_width()
try:
from bzrlib.osutils import terminal_width
width = terminal_width() - 1 # we need one extra space to avoid
# extra blank lines
m_revision = branch.repository.get_revision(merge)
revisions = dict((rev.revision_id, rev) for rev in
branch.repository.get_revisions(merge_extra))
except errors.NoSuchRevision:
# If we are missing a revision, just print out the revision id
if short:
prefix = 'P '
else:
prefix = ' '
to_file.write(prefix + ' ' + merge)
to_file.write('\n')
else:
rev_id_iterator = sorter.iter_topo_order()
num, first, depth, eom = rev_id_iterator.next()
assert first == merge
m_revision = revisions[merge]
if short:
prefix = 'P '
else:
prefix = ' '
to_file.write(prefix)
to_file.write(line_log(m_revision, width - len(prefix)))
to_file.write('\n')
for num, mmerge, depth, eom in rev_id_iterator:
if mmerge in ignore:
continue
mm_revision = revisions[mmerge]
if short:
prefix = 'P. '
else:
prefix = ' '
to_file.write(prefix)
to_file.write(line_log(mm_revision, width - len(prefix)))
to_file.write('\n')
ignore.update(merge_extra)
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