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