mozilla
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pjs
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pjs/tools/cvs2hg-import.py

356 строки
10 KiB
Python
Исходник Ответственный История

#!/usr/bin/python
"""A script which will import from Mozilla CVS into a Mercurial
repository. It omits certain parts of tree, including NSPR, NSS, and Tamarin."""
from sys import exit
from os import environ, makedirs, listdir, rename, unlink
from os.path import isdir
from os.path import exists
from shutil import rmtree
from tempfile import mkdtemp
from datetime import datetime
import sys
try:
from subprocess import check_call
except ImportError:
# Python 2.4 doesn't have check_call, so we reimplement it
from subprocess import call
def check_call(*popenargs, **kwargs):
retcode = call(*popenargs, **kwargs)
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise Exception("Command '%s' returned non-zero exit status %d" % (cmd, retcode))
## The HG_REPO_INITIAL_IMPORT tag is based on the MOZILLA_1_9a3_RELEASE tag,
## but only applied to the directories that were imported into Hg (not
## the entire tree, like the 1.9a3 tag. The tag date was pulled from the logs
## when that tag was applied. The _DATE is for record keeping purposes, and
## for the initial import checkin message ; the import pulls the tag.
CVS_REPO_IMPORT_TAG = "HG_REPO_INITIAL_IMPORT"
CVS_REPO_IMPORT_DATE = "22 Mar 2007 10:30 PDT"
HG_IMPORT_COMMIT_DATE = "2007-03-22 10:30:00"
HG_INIT_PREP_COMMIT_DATE = "2007-03-22 10:29:00"
HG_USER = "hg@mozilla.com"
mozilla_files = (
"Makefile.in",
"LICENSE",
"LEGAL",
"README.txt",
"accessible",
"aclocal.m4",
"allmakefiles.sh",
"browser",
"build",
"caps",
"chrome",
"config",
"configure.in",
"client.mk",
"content",
"db",
"docshell",
"dom",
"editor",
"embedding",
"extensions/Makefile.in",
"extensions/access-builtin",
"extensions/auth",
"extensions/canvas3d",
"extensions/cookie",
"extensions/gnomevfs",
"extensions/inspector",
"extensions/java",
"extensions/jssh",
"extensions/layout-debug",
"extensions/metrics",
"extensions/negotiateauth",
"extensions/permissions",
"extensions/pref",
"extensions/python",
"extensions/reporter",
"extensions/spellcheck",
"extensions/universalchardet",
"gfx",
"intl",
"ipc",
"jpeg",
"js",
"layout",
"modules/libbz2",
"modules/libimg",
"modules/libjar",
"modules/libmar",
"modules/libpr0n",
"modules/libpref",
"modules/libreg",
"modules/libutil",
"modules/oji",
"modules/plugin",
"modules/staticmod",
"modules/zlib",
"netwerk",
"other-licenses/7zstub",
"other-licenses/atk-1.0",
"other-licenses/branding/firefox",
"other-licenses/bsdiff",
"other-licenses/ia2",
"parser",
"plugin",
"profile",
"rdf",
"security/manager",
"storage",
"sun-java",
"testing",
"toolkit",
"tools/build",
"tools/codesighs",
"tools/cross-commit",
"tools/elf-dynstr-gc",
"tools/footprint",
"tools/httptester",
"tools/jprof",
"tools/l10n",
"tools/leaky",
"tools/memory",
"tools/page-loader",
"tools/patcher",
"tools/performance",
"tools/rb",
"tools/release",
"tools/relic",
"tools/reorder",
"tools/test-harness",
"tools/tests",
"tools/testserver",
"tools/testy",
"tools/trace-malloc",
"tools/update-packaging",
"tools/uuiddeps",
"uriloader",
"view",
"webshell",
"widget",
"xpcom",
"xpfe",
"xpinstall",
"xulrunner"
)
MOZILLA_EXCEPTIONS = (
"db/tripledb",
"js/benchmarks",
"js/docs",
"js/jsd/classes",
"js/jsd/corba",
"js/jsd/java",
"js/jsd/javawrap",
"js/jsd/jsdb",
"js/jsdj",
"js/jsj",
"js/perf",
"js/ref",
"js/rhino",
"js/tamarin"
)
nspr_files = ("nsprpub",)
NSPR_CVS_TRACKING_TAG = "NSPRPUB_PRE_4_2_CLIENT_BRANCH"
nss_files = (
"dbm",
"security/nss",
"security/coreconf",
"security/dbm"
)
NSS_CVS_TRACKING_TAG = "NSS_3_11_5_RTM"
def ensurevalue(val, envvar, default = None):
if val:
return val
if envvar in environ:
return environ[envvar]
if default:
return default
raise ValueError("No %s found." % envvar)
def rmfileortree(path):
if not exists(path):
return
print "Removing %s" % path
sys.stdout.flush()
if isdir(path):
rmtree(path)
else:
unlink(path)
def CheckoutDirs(directory, cvsroot, dirlist, date=None, branch=None):
arglist = ['cvs', '-d', cvsroot, 'co', '-P', '-N']
if date is not None:
arglist.extend(['-D', date])
if branch is not None:
arglist.extend(['-r', branch])
arglist.extend(["mozilla/%s" % dir for dir in dirlist])
check_call(arglist, cwd=directory)
def ImportMozillaCVS(directory, cvsroot=None, hg=None, tempdir=None, mode=None, importDate=None):
cvsroot = ensurevalue(cvsroot, "CVSROOT", ":ext:cltbld@cvs.mozilla.org:/cvsroot")
hg = ensurevalue(hg, "HG", "hg")
tempd = mkdtemp("cvsimport", dir=tempdir)
if mode == 'init':
nspr_tag = nss_tag = mozilla_tag = CVS_REPO_IMPORT_TAG
nspr_date = nss_date = mozilla_date = None
elif mode == 'import':
if importDate is not None:
nspr_date = nss_date = mozilla_date = importDate
else:
nspr_date = nss_date = mozilla_date = datetime.utcnow().strftime("%d %b %Y %T +0000")
nspr_tag = NSPR_CVS_TRACKING_TAG
nss_tag = NSS_CVS_TRACKING_TAG
mozilla_tag = None
else:
raise Exception, "ImportMozillaCVS unknown/unsupported mode: %s" % mode
importModules = {};
importModules['mozilla'] = { 'files' : mozilla_files,
'exceptions' : MOZILLA_EXCEPTIONS,
'tag' : mozilla_tag,
'date' : mozilla_date };
# Per final discussions, we're not importing NSS/NSPR into Hg.
# importModules['nss'] = { 'files' : nss_files,
# 'tag' : nss_tag,
# 'date' : nss_date };
#
# importModules['nspr'] = { 'files' : nspr_files,
# 'tag' : nspr_tag,
# 'date' : nspr_date };
try:
try:
for cvsModuleName in importModules.keys():
cvsModule = importModules[cvsModuleName]
CheckoutDirs(tempd, cvsroot, cvsModule['files'],
cvsModule['date'], cvsModule['tag'])
# Remove the exceptions from the CVS tree; we shouldn't be
# importing these things.
for ex in cvsModule['exceptions']:
rmfileortree("%s/%s/%s" % (tempd, "mozilla", ex))
# Remove everything in the hg repository except for the .hg
# directory
for f in listdir(directory):
if f != ".hg" and f != ".hgignore":
rmfileortree("%s/%s" % (directory, f))
# Move everything from the mozilla/ directory to the hg repo
for f in listdir("%s/mozilla" % tempd):
source = "%s/mozilla/%s" % (tempd, f)
dest = "%s/%s" % (directory, f)
print "Moving %s to %s" % (source, dest)
sys.stdout.flush()
rename(source, dest)
check_call([hg, 'add'], cwd=directory)
check_call([hg, 'remove', '--after'], cwd=directory)
commitMesg = "Automatic merge from CVS: "
for cvsModuleName in importModules.keys():
cvsModule = importModules[cvsModuleName]
if cvsModule['tag'] is None:
cvsTagName = 'HEAD'
else:
cvsTagName = cvsModule['tag']
## In the init case, munge the date (which is None, because
## we pull by tag for the initial import), so the checkin
## message has something useful; also munge the message.
if mode == 'init':
commitMesg = "Free the (distributed) Lizard! " + commitMesg
cvsDate = CVS_REPO_IMPORT_DATE
else:
cvsDate = cvsModule['date']
commitMesg = (commitMesg + "Module %s: tag %s at %s, " %
(cvsModuleName, cvsTagName, cvsDate))
check_call([hg, 'commit', '-d', HG_IMPORT_COMMIT_DATE,
'-u', HG_USER, '-m', commitMesg],
cwd=directory)
except Exception, e:
print "ImportMozillaCVS: Exception hit: %s" % (str(e))
sys.stdout.flush()
raise
finally:
rmtree(tempd)
def InitRepo(directory, hg=None):
hg = ensurevalue(hg, "HG", "hg")
check_call([hg, 'init', directory])
ignoref = open("%s/.hgignore" % directory, "wb")
print >>ignoref, "CVS\/.*\n\\.cvsignore$"
ignoref.close()
check_call([hg, 'add', '.hgignore'], cwd=directory)
check_call([hg, 'commit', '-d', HG_INIT_PREP_COMMIT_DATE, '-u',
HG_USER, '-m', 'Set up .hgignore to ignore CVS files.'],
cwd=directory)
if __name__ == '__main__':
from optparse import OptionParser
usage = "usage: %prog [options] mercural_repository"
p = OptionParser()
p.add_option("--cvsroot", dest="cvsroot",
help="Specify the CVSROOT for checkout.")
p.add_option("--hg", dest="hg",
help="Path to the hg executable.")
p.add_option("--initrepo", dest="initrepo", action="store_true",
help="Initialize a repository for import.")
p.add_option("--tempdir", dest="tempdir",
help="Use a specific directory for temporary files.")
p.add_option("--importdate", dest="importdate",
help="Use a specific date to import from CVS; " +
"must be parseable by CVS's -D option.")
(options, args) = p.parse_args()
if len(args) != 1:
p.print_help()
exit(1)
if options.initrepo:
print "Initializing hg repository '%s'." % args[0]
sys.stdout.flush()
InitRepo(args[0], options.hg)
ImportMozillaCVS(args[0], options.cvsroot, options.hg, options.tempdir,
'init')
print "Initialization successful."
sys.stdout.flush()
else:
print "Importing CVS to repository '%s'." % args[0]
sys.stdout.flush()
ImportMozillaCVS(args[0], options.cvsroot, options.hg, options.tempdir,
'import', options.importdate)
print "Import successful."
sys.stdout.flush()
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