#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2010-2016 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Provide some basic access to the cvs command.
#
from __future__ import print_function
import os
from . import error
from . import execute
from . import log
from . import path
class repo:
"""An object to manage a cvs repo."""
def __init__(self, _path, opts, macros = None, prefix = None):
self.path = _path
self.opts = opts
self.prefix = prefix
if macros is None:
self.macros = opts.defaults
else:
self.macros = macros
self.cvs = self.macros.expand('%{__cvs}')
def _cvs_exit_code(self, cmd, ec, output):
if ec:
log.output(output)
raise error.general('cvs command failed (%s): %d' % (cmd, ec))
def _parse_args(self, url):
if not url.startswith('cvs://'):
raise error.general('invalid cvs url: %s' % (url))
opts = { 'cvsroot': ':%s' % (us[0][6:]),
'module': '' }
for o in us:
os = o.split('=')
if len(os) == 1:
opts[os[0]] = True
else:
opts[os[0]] = os[1:]
return opts
def _run(self, args, check = False, cwd = None):
e = execute.capture_execution()
if cwd is None:
cwd = path.join(self.path, self.prefix)
if not path.exists(cwd):
raise error.general('cvs path needs to exist: %s' % (cwd))
cmd = [self.cvs, '-z', '9', '-q'] + args
log.output('cmd: (%s) %s' % (str(cwd), ' '.join(cmd)))
exit_code, proc, output = e.spawn(cmd, cwd = path.host(cwd))
log.trace(output)
if check:
self._cvs_exit_code(cmd, exit_code, output)
return exit_code, output
def cvs_version(self):
ec, output = self._run(['--version'], True)
lines = output.split('\n')
if len(lines) < 12:
raise error.general('invalid version string from cvs: %s' % (output))
cvs = lines[0].split(' ')
if len(cvs) != 6:
raise error.general('invalid version number from cvs: %s' % (lines[0]))
vs = cvs[4].split('.')
if len(vs) < 3:
raise error.general('invalid version number from cvs: %s' % (cvs[4]))
return (int(vs[0]), int(vs[1]), int(vs[2]))
def checkout(self, root, module = None, tag = None, date = None):
cmd = ['-d', root, 'co', '-N']
if tag:
cmd += ['-r', tag]
if date:
cmd += ['-D', date]
if module:
cmd += [module]
ec, output = self._run(cmd, check = True, cwd = self.path)
def update(self):
ec, output = self._run(['up'], check = True)
def reset(self):
ec, output = self._run(['up', '-C'], check = True)
def branch(self):
ec, output = self._run(['branch'])
if ec == 0:
for b in output.split('\n'):
if b[0] == '*':
return b[2:]
return None
def status(self):
keys = { 'U': 'modified',
'P': 'modified',
'M': 'modified',
'R': 'removed',
'C': 'conflict',
'A': 'added',
'?': 'untracked' }
_status = {}
if path.exists(self.path):
ec, output = self._run(['-n', 'up'])
if ec == 0:
state = 'none'
for l in output.split('\n'):
if len(l) > 2 and l[0] in keys:
if keys[l[0]] not in _status:
_status[keys[l[0]]] = []
_status[keys[l[0]]] += [l[2:]]
return _status
def clean(self):
_status = self.status()
return len(_status) == 0
def valid(self):
if path.exists(self.path):
ec, output = self._run(['-n', 'up', '-l'])
if ec == 0:
if not output.startswith('cvs status: No CVSROOT specified'):
return True
return False
if __name__ == '__main__':
import sys
from . import options
opts = options.load(sys.argv, defaults = 'defaults.mc')
ldir = 'cvs-test-rm-me'
c = repo(ldir, opts)
if not path.exists(ldir):
path.mkdir(ldir)
c.checkout(':pserver:anoncvs@sourceware.org:/cvs/src', module = 'newlib')
print(c.cvs_version())
print(c.valid())
print(c.status())
c.reset()
print(c.clean())
