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# Copyright (C) 2005 Aaron Bentley and Panometrics, Inc.
# <abentley@panoramicfeedback.com>
#
# 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
from subprocess import Popen, PIPE
import os
import config
def invoke(args):
q = Popen(args, stdin=PIPE, stdout=PIPE, stderr=PIPE)
output = q.stdout.read()
error = q.stderr.read()
status = q.wait()
if status >= 0:
return status, output, error
raise Exception("Command failed: %s" % error)
def invoke_client(*args, **kwargs):
cl_args = ["bzr"]
cl_args.extend(args)
status,output,error = invoke(cl_args)
if status not in (0,):
raise Exception("Command failed: %s" % error)
return output
def add_id(filename, paranoid=False):
invoke_client("add", filename)
def delete_id(filename):
invoke_client("remove", filename)
def mkdir(path, paranoid=False):
os.mkdir(path)
add_id(path)
def set_file_contents(path, contents):
add = not os.path.exists(path)
file(path, "wb").write(contents)
if add:
add_id(path)
def lookup_revision(revno):
return invoke_client("lookup-revision", str(revno)).rstrip('\n')
def export(revno, revision_dir):
invoke_client("export", "-r", str(revno), revision_dir)
def find_or_make_export(revno):
revision_id = lookup_revision(revno)
home = os.path.expanduser("~")
revision_root = os.path.join(home, ".bzrrevs")
if not os.path.exists(revision_root):
os.mkdir(revision_root)
revision_dir = os.path.join(revision_root, revision_id)
if not os.path.exists(revision_dir):
export(revno, revision_dir)
return revision_dir
def bzr_root(path):
return invoke_client("root", path).rstrip('\r')
def path_in_reference(bug_dir, spec):
if spec is None:
spec = int(invoke_client("revno"))
rel_bug_dir = bug_dir[len(bzr_root(bug_dir)):]
export_root = find_or_make_export(spec)
return os.path.join(export_root, rel_bug_dir)
def unlink(path):
try:
os.unlink(path)
delete_id(path)
except OSError, e:
if e.errno != 2:
raise
def detect(path):
"""Detect whether a directory is revision-controlled using bzr"""
path = os.path.realpath(path)
old_path = None
while True:
if os.path.exists(os.path.join(path, ".bzr")):
return True
if path == old_path:
return False
old_path = path
path = os.path.dirname(path)
name = "bzr"
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