82 lines
3.0 KiB
Python
Executable File
82 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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sys.path.append("debian/lib/python")
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import os, os.path, re, shutil
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from debian_linux.debian import Changelog
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class main(object):
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def __init__(self, input_tar, input_patch = None):
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self.log = sys.stdout.write
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self.input_tar = input_tar
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self.input_patch = input_patch
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changelog = Changelog()[0]
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source = changelog.source
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version = changelog.version.upstream
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self.orig = '%s-%s' % (source, version)
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self.orig_tar = '%s_%s.orig.tar.gz' % (source, version)
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def __call__(self):
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import tempfile
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self.dir = tempfile.mkdtemp(prefix = 'genorig', dir = 'debian')
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try:
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self.extract()
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self.patch()
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self.tar()
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finally:
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shutil.rmtree(self.dir)
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def extract(self):
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self.log("Extracting tarball %s\n" % self.input_tar)
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match = re.match(r'(^|.*/)(?P<dir>linux-\d+\.\d+\.\d+(-\S+)?)\.tar(\.(?P<extension>(bz2|gz)))?$', self.input_tar)
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if not match:
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raise RuntimeError("Can't identify name of tarball")
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cmdline = ['tar -xf', self.input_tar, '-C', self.dir]
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if match.group('extension') == 'bz2':
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cmdline.append('-j')
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elif match.group('extension') == 'gz':
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cmdline.append('-z')
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if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
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raise RuntimeError("Can't extract tarball")
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os.rename(os.path.join(self.dir, match.group('dir')), os.path.join(self.dir, self.orig))
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def patch(self):
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if self.input_patch is None:
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return
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self.log("Patching source with %s\n" % self.input_patch)
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match = re.match(r'(^|.*/)patch-\d+\.\d+\.\d+(-\S+?)?(\.(?P<extension>(bz2|gz)))?$', self.input_patch)
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if not match:
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raise RuntimeError("Can't identify name of patch")
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cmdline = []
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if match.group('extension') == 'bz2':
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cmdline.append('bzcat')
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elif match.group('extension') == 'gz':
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cmdline.append('zcat')
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else:
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cmdline.append('cat')
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cmdline.append(self.input_patch)
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cmdline.append('| (cd %s; patch -p1 -f -s -t --no-backup-if-mismatch)' % os.path.join(self.dir, self.orig))
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if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
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raise RuntimeError("Can't patch source")
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def tar(self):
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out = os.path.join("../orig", self.orig_tar)
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try:
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os.mkdir("../orig")
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except OSError: pass
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try:
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os.stat(out)
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raise RuntimeError("Destination already exists")
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except OSError: pass
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self.log("Generate tarball %s\n" % out)
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cmdline = ['tar -czf', out, '-C', self.dir, self.orig]
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if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
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raise RuntimeError("Can't patch source")
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os.chmod(out, 0644)
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if __name__ == '__main__':
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main(*sys.argv[1:])()
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