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# jhbuild - a build script for GNOME 1.x and 2.x
# Copyright (C) 2001-2006 James Henstridge
#
# cvs.py: some code to handle various cvs operations
#
# 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
__all__ = [
'CVSRepository',
'login',
'get_sticky_tag',
]
__metaclass__ = type
import sys
import os
import md5
from jhbuild.errors import BuildStateError
from jhbuild.versioncontrol import Repository, Branch, register_repo_type
# table used to scramble passwords in ~/.cvspass files
_shifts = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87,
111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105,
41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35,
125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56,
36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223,
225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190,
199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193,
174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212,
207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246,
192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176,
227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127,
182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195,
243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152
]
def scramble(password):
return 'A' + ''.join([chr(_shifts[ord(ch)]) for ch in password])
def descramble(password):
assert password[0] == 'A', 'unknown password format'
return ''.join([chr(_shifts[ord(ch)]) for ch in password[1:]])
def _canonicalise_cvsroot(cvsroot):
if not cvsroot.startswith(':pserver:'): return cvsroot
parts = cvsroot.split(':')
if parts[3].startswith('/'):
parts[3] = '2401' + parts[3]
return ':'.join(parts)
def login(cvsroot, password=None):
if not cvsroot.startswith(':pserver:'): return
cvsroot = _canonicalise_cvsroot(cvsroot)
cvspass = os.path.join(os.environ['HOME'], '.cvspass')
# check if the password has already been entered:
try:
fp = open(cvspass, 'r')
for line in fp.readlines():
parts = line.split()
if not parts:
continue
if parts[0] == '/1':
root = parts[1]
else:
root = _canonicalise_cvsroot(parts[0])
if root == cvsroot:
return
break
except IOError:
pass
# if we have a password, just write it directly to the .cvspass file
if password is not None:
fp = open(cvspass, 'a')
fp.write('/1 %s %s\n' % (cvsroot, scramble(password)))
fp.close()
else:
# call cvs login ..
if os.system('cvs -d %s login' % cvsroot) != 0:
sys.stderr.write('could not log into %s\n' % cvsroot)
sys.exit(1)
def check_sticky_tag(filename):
dirname = os.path.dirname(filename)
basename = os.path.basename(filename)
entries_file = os.path.join(dirname, 'CVS', 'Entries')
fp = open(entries_file, 'r')
line = fp.readline()
while line:
parts = line.strip().split('/')
if parts[1] == basename:
# parts[5] is the tag for this file
if parts[5] == '':
return None
else:
return parts[5][1:]
line = fp.readline()
raise RuntimeError('%s is not managed by CVS' % filename)
def check_root(dirname):
root_file = os.path.join(dirname, 'CVS', 'Root')
return open(root_file, 'r').read().strip()
def _process_directory(directory, prefix, write):
if not (os.path.isdir(directory) and
os.path.isdir(os.path.join(directory, 'CVS'))):
return
fp = open(os.path.join(directory, 'CVS', 'Root'), 'rb')
root = fp.read().strip()
fp.close()
fp = open(os.path.join(directory, 'CVS', 'Repository'), 'rb')
repository = fp.read().strip()
fp.close()
write('===\n')
write('Directory: %s\n' % prefix)
write('Root: %s\n' % root)
write('Repository: %s\n' % repository)
write('\n')
fp = open(os.path.join(directory, 'CVS', 'Entries'), 'rb')
subdirs = []
filenames = []
for line in fp:
parts = line.strip().split('/')
if parts[0] == 'D' and len(parts) >= 2:
subdirs.append(parts[1])
if parts[0] == '' and len(parts) >= 3:
filenames.append((parts[1], parts[2]))
fp.close()
filenames.sort()
for name, rev in filenames:
if prefix:
name = '%s/%s' % (prefix, name)
write('%s %s\n' % (name, rev))
write('\n')
subdirs.sort()
for name in subdirs:
if prefix:
name_prefix = '%s/%s' % (prefix, name)
else:
name_prefix = name
_process_directory(os.path.join(directory, name), name_prefix, write)
class CVSRepository(Repository):
"""A class used to work with a CVS repository"""
init_xml_attrs = ['cvsroot', 'password']
def __init__(self, config, name, cvsroot, password=None):
Repository.__init__(self, config, name)
# has the repository path been overridden?
if self.name in config.repos:
self.cvsroot = config.repos[name]
else:
self.cvsroot = cvsroot
login(cvsroot, password)
branch_xml_attrs = ['module', 'checkoutdir', 'revision',
'update-new-dirs', 'override-checkoutdir']
def branch(self, name, module=None, checkoutdir=None, revision=None,
update_new_dirs='yes', override_checkoutdir='yes'):
if module is None:
module = name
# allow remapping of branch for module:
revision = self.config.branches.get(name, revision)
return CVSBranch(repository=self,
module=module,
checkoutdir=checkoutdir,
revision=revision,
update_new_dirs=update_new_dirs != 'no',
override_checkoutdir=override_checkoutdir != 'no')
class CVSBranch(Branch):
"""A class representing a CVS branch inside a CVS repository"""
def __init__(self, repository, module, checkoutdir, revision,
update_new_dirs, override_checkoutdir):
self.repository = repository
self.config = repository.config
self.module = module
self.checkoutdir = checkoutdir
self.revision = revision
self.update_new_dirs = update_new_dirs
self.override_checkoutdir = override_checkoutdir
def srcdir(self):
if self.checkoutdir:
return os.path.join(self.config.checkoutroot, self.checkoutdir)
else:
return os.path.join(self.config.checkoutroot, self.module)
srcdir = property(srcdir)
def branchname(self):
return self.revision
branchname = property(branchname)
def _checkout(self, buildscript):
cmd = ['cvs', '-z3', '-q', '-d', self.repository.cvsroot,
'checkout', '-P']
if self.revision:
cmd.extend(['-r', self.revision])
if self.config.sticky_date:
cmd.extend(['-D', self.config.sticky_date])
if not (self.revision or self.config.sticky_date):
cmd.append('-A')
if self.checkoutdir and self.override_checkoutdir:
cmd.extend(['-d', self.checkoutdir])
cmd.append(self.module)
buildscript.execute(cmd, 'cvs', cwd=self.config.checkoutroot)
def _update(self, buildscript):
# sanity check the existing working tree:
try:
wc_root = check_root(self.srcdir)
except IOError:
raise BuildStateError('"%s" does not appear to be a CVS working '
'copy' % os.path.abspath(self.srcdir))
if wc_root != self.repository.cvsroot:
raise BuildStateError('working copy points at the wrong '
'repository (expected %s but got %s). '
'Consider using the changecvsroot.py '
'script to fix this.'
% (self.repository.cvsroot, wc_root))
# update the working tree
cmd = ['cvs', '-z3', '-q', '-d', self.repository.cvsroot,
'update', '-P']
if self.update_new_dirs:
cmd.append('-d')
if self.revision:
cmd.extend(['-r', self.revision])
if self.config.sticky_date:
cmd.extend(['-D', self.config.sticky_date])
if not (self.revision or self.config.sticky_date):
cmd.append('-A')
cmd.append('.')
buildscript.execute(cmd, 'cvs', cwd=self.srcdir)
def checkout(self, buildscript):
if os.path.exists(self.srcdir):
self._update(buildscript)
else:
self._checkout(buildscript)
def force_checkout(self, buildscript):
self._checkout(buildscript)
def tree_id(self):
if not os.path.exists(self.srcdir):
return None
md5sum = md5.new()
_process_directory(self.srcdir, '', md5sum.update)
return 'jhbuild-cvs-treeid:%s' % md5sum.hexdigest()
register_repo_type('cvs', CVSRepository)
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