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client.py
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client.py
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#!/usr/bin/python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
LIBFFI_DIRS = (('js/ctypes/libffi', 'libffi'),)
HG_EXCLUSIONS = ['.hg', '.hgignore', '.hgtags']
CVSROOT_LIBFFI = ':pserver:anoncvs@sources.redhat.com:/cvs/libffi'
import os
import sys
import datetime
import shutil
import glob
from optparse import OptionParser
from subprocess import check_call
topsrcdir = os.path.dirname(__file__)
if topsrcdir == '':
topsrcdir = '.'
def check_call_noisy(cmd, *args, **kwargs):
print "Executing command:", cmd
check_call(cmd, *args, **kwargs)
def do_hg_pull(dir, repository, hg):
fulldir = os.path.join(topsrcdir, dir)
# clone if the dir doesn't exist, pull if it does
if not os.path.exists(fulldir):
check_call_noisy([hg, 'clone', repository, fulldir])
else:
cmd = [hg, 'pull', '-u', '-R', fulldir]
if repository is not None:
cmd.append(repository)
check_call_noisy(cmd)
check_call([hg, 'parent', '-R', fulldir,
'--template=Updated to revision {node}.\n'])
def do_hg_replace(dir, repository, tag, exclusions, hg):
"""
Replace the contents of dir with the contents of repository, except for
files matching exclusions.
"""
fulldir = os.path.join(topsrcdir, dir)
if os.path.exists(fulldir):
shutil.rmtree(fulldir)
assert not os.path.exists(fulldir)
check_call_noisy([hg, 'clone', '-u', tag, repository, fulldir])
for thing in exclusions:
for excluded in glob.iglob(os.path.join(fulldir, thing)):
if os.path.isdir(excluded):
shutil.rmtree(excluded)
else:
os.remove(excluded)
def do_cvs_export(modules, tag, cvsroot, cvs):
"""Check out a CVS directory without CVS metadata, using "export"
modules is a list of directories to check out and the corresponding
cvs module, e.g. (('js/ctypes/libffi', 'libffi'),)
"""
for module_tuple in modules:
module = module_tuple[0]
cvs_module = module_tuple[1]
fullpath = os.path.join(topsrcdir, module)
if os.path.exists(fullpath):
print "Removing '%s'" % fullpath
shutil.rmtree(fullpath)
(parent, leaf) = os.path.split(module)
print "CVS export begin: " + datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S UTC")
check_call_noisy([cvs, '-d', cvsroot,
'export', '-r', tag, '-d', leaf, cvs_module],
cwd=os.path.join(topsrcdir, parent))
print "CVS export end: " + datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S UTC")
def toggle_trailing_blank_line(depname):
"""If the trailing line is empty, then we'll delete it.
Otherwise we'll add a blank line."""
lines = open(depname, "r").readlines()
if not lines:
print >>sys.stderr, "unexpected short file"
return
if not lines[-1].strip():
# trailing line is blank, removing it
open(depname, "wb").writelines(lines[:-1])
else:
# adding blank line
open(depname, "ab").write("\n")
def get_trailing_blank_line_state(depname):
lines = open(depname, "r").readlines()
if not lines:
print >>sys.stderr, "unexpected short file"
return "no blank line"
if not lines[-1].strip():
return "has blank line"
else:
return "no blank line"
def update_nspr_or_nss(tag, depfile, destination, hgpath):
print "reverting to HG version of %s to get its blank line state" % depfile
check_call_noisy([options.hg, 'revert', depfile])
old_state = get_trailing_blank_line_state(depfile)
print "old state of %s is: %s" % (depfile, old_state)
do_hg_replace(destination, hgpath, tag, HG_EXCLUSIONS, options.hg)
new_state = get_trailing_blank_line_state(depfile)
print "new state of %s is: %s" % (depfile, new_state)
if old_state == new_state:
print "toggling blank line in: ", depfile
toggle_trailing_blank_line(depfile)
tag_file = destination + "/TAG-INFO"
print >>file(tag_file, "w"), tag
o = OptionParser(usage="client.py [options] update_nspr tagname | update_nss tagname | update_libffi tagname")
o.add_option("--skip-mozilla", dest="skip_mozilla",
action="store_true", default=False,
help="Obsolete")
o.add_option("--cvs", dest="cvs", default=os.environ.get('CVS', 'cvs'),
help="The location of the cvs binary")
o.add_option("--cvsroot", dest="cvsroot",
help="The CVSROOT for libffi (default : %s)" % CVSROOT_LIBFFI)
o.add_option("--hg", dest="hg", default=os.environ.get('HG', 'hg'),
help="The location of the hg binary")
o.add_option("--repo", dest="repo",
help="the repo to update from (default: upstream repo)")
try:
options, args = o.parse_args()
action = args[0]
except IndexError:
o.print_help()
sys.exit(2)
if action in ('checkout', 'co'):
print >>sys.stderr, "Warning: client.py checkout is obsolete."
pass
elif action in ('update_nspr'):
tag, = args[1:]
depfile = "nsprpub/config/prdepend.h"
if not options.repo:
options.repo = 'https://hg.mozilla.org/projects/nspr'
update_nspr_or_nss(tag, depfile, 'nsprpub', options.repo)
elif action in ('update_nss'):
tag, = args[1:]
depfile = "security/nss/coreconf/coreconf.dep"
if not options.repo:
options.repo = 'https://hg.mozilla.org/projects/nss'
update_nspr_or_nss(tag, depfile, 'security/nss', options.repo)
elif action in ('update_libffi'):
tag, = args[1:]
if not options.cvsroot:
options.cvsroot = CVSROOT_LIBFFI
do_cvs_export(LIBFFI_DIRS, tag, options.cvsroot, options.cvs)
else:
o.print_help()
sys.exit(2)