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#!/usr/bin/env python
#
# makeupdates - Generate an updates.img containing changes since the last
# tag, but only changes that do not need to be compiled. If
# you need an updated _isys.so or a new loader, you should
# still compile things as usual.
#
# Copyright (C) 2009 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Author: David Cantrell <dcantrell@redhat.com>
import getopt
import os
import shutil
import subprocess
import sys
def getArchiveTag(configure, spec):
tag = ""
f = open(configure)
lines = f.readlines()
f.close()
for line in lines:
if line.startswith('AC_INIT('):
fields = line.split('[')
tag += fields[1].split(']')[0] + '-' + fields[2].split(']')[0]
break
else:
continue
f = open(spec)
lines = f.readlines()
f.close()
for line in lines:
if line.startswith('Release:'):
tag += '-' + line.split()[1].split('%')[0]
else:
continue
return tag
def doGitDiff(tag, args=[]):
proc = subprocess.Popen(['git', 'diff', '--stat', tag] + args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE).communicate()
lines = proc[0].split('\n')
return lines
def copyUpdatedFiles(tag, updates, cwd):
def pruneFile(src, names):
lst = []
for name in names:
if name.startswith('Makefile') or name.endswith('.pyc'):
lst.append(name)
return lst
subdirs = []
lines = doGitDiff(tag)
for line in lines:
if line.find(' | ') == -1:
continue
fields = line.split()
file = fields[0]
if file.endswith('.spec.in') or file.startswith('Makefile') or \
file.endswith('.c') or file.endswith('.h') or \
file.endswith('.sh') or file == 'configure.ac':
continue
if file.find('/') != -1:
fields = file.split('/')
subdir = fields[0]
if subdir == 'installclasses' or subdir == 'storage' or \
subdir == 'booty':
subupdates = os.path.realpath(updates + '/' + subdir)
if os.path.isdir(subupdates):
shutil.rmtree(subupdates)
if not subdir in subdirs:
sys.stdout.write("Including %s/\n" % (subdir,))
subdirs.append(subdir)
shutil.copytree(os.path.realpath(cwd + '/' + subdir),
subupdates, ignore=pruneFile)
elif subdir == 'loader' or subdir == 'po' or \
subdir =='scripts' or subdir == 'command-stubs' or \
subdir == 'tests' or subdir == 'bootdisk' or \
subdir == 'docs' or subdir == 'fonts' or \
subdir == 'utils' or subdir == 'gptsync':
continue
else:
sys.stdout.write("Including %s\n" % (file,))
shutil.copy2(file, updates)
def isysChanged(tag):
lines = doGitDiff(tag, ['isys'])
for line in lines:
if line.find(' | ') == -1:
continue
fields = line.split()
file = fields[0]
if file.startswith('Makefile') or file.endswith('.h') or \
file.endswith('.c'):
return True
return False
def copyUpdatedIsys(updates, cwd):
os.chdir(cwd)
if not os.path.isfile('Makefile'):
if not os.path.isfile('configure'):
os.system('./autogen.sh')
os.system('./configure')
os.system('make')
isysmodule = os.path.realpath(cwd + '/isys/.libs/_isys.so')
if os.path.isfile(isysmodule):
shutil.copy2(isysmodule, updates)
def createUpdatesImage(cwd, updates):
os.chdir(updates)
os.system("find . | cpio -c -o | gzip -9cv > %s/updates.img" % (cwd,))
sys.stdout.write("updates.img ready\n")
def usage(cmd):
sys.stdout.write("Usage: %s [OPTION]...\n" % (cmd,))
sys.stdout.write("Options:\n")
sys.stdout.write(" -k, --keep Do not delete updates subdirectory.\n")
sys.stdout.write(" -c, --compile Compile code if there are isys changes.\n")
sys.stdout.write(" -h, --help Display this help and exit.\n")
def main(argv):
prog = os.path.basename(sys.argv[0])
cwd = os.getcwd()
configure = os.path.realpath(cwd + '/configure.ac')
spec = os.path.realpath(cwd + '/anaconda.spec.in')
updates = cwd + '/updates'
keep, compile, help, unknown = False, False, False, False
try:
opts, args = getopt.getopt(sys.argv[1:], 'kc?',
['keep', 'compile', 'help'])
except getopt.GetoptError:
help = True
for o, a in opts:
if o in ('-k', '--keep'):
keep = True
elif o in ('-c', '--compile'):
compile = True
elif o in ('-?', '--help'):
help = True
else:
unknown = True
if help:
usage(prog)
sys.exit(0)
elif unknown:
sys.stderr.write("%s: extra operand `%s'" % (prog, sys.argv[1],))
sys.stderr.write("Try `%s --help' for more information." % (prog,))
sys.exit(1)
if not os.path.isfile(configure) and not os.path.isfile(spec):
sys.stderr.write("You must be at the top level of the anaconda source tree.\n")
sys.exit(1)
tag = getArchiveTag(configure, spec)
if not os.path.isdir(updates):
os.makedirs(updates)
copyUpdatedFiles(tag, updates, cwd)
if compile:
if isysChanged(tag):
copyUpdatedIsys(updates, cwd)
createUpdatesImage(cwd, updates)
if not keep:
shutil.rmtree(updates)
if __name__ == "__main__":
main(sys.argv)
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