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#!/usr/bin/env python3
# Creates a source distribution package.
from os import makedirs, remove
from os.path import isdir
from subprocess import CalledProcessError, PIPE, Popen, check_output
from tarfile import TarError, TarFile
import stat, sys
verbose = False
def archiveFromGit(versionedPackageName, committish):
prefix = '%s/' % versionedPackageName
distBase = 'derived/dist/'
umask = (
stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH
)
def exclude(info):
'''Returns True iff the given tar entry should be excluded.
'''
return any((
info.name.endswith('/.gitignore'),
info.name.startswith(prefix + 'doc/internal'),
info.name.startswith(prefix + '.'),
info.name[info.name.rfind('/') + 1:].startswith('meson'),
))
proc = Popen(
('git', 'archive', '--prefix=' + prefix, '--format=tar', committish),
bufsize = -1,
stdin = None, stdout = PIPE, stderr = sys.stderr,
)
try:
outTarPath = distBase + versionedPackageName + '.tar.gz'
print('archive:', outTarPath)
if not isdir(distBase):
makedirs(distBase)
try:
with TarFile.open(outTarPath, 'w:gz') as outTar:
# Copy entries from "git archive" into output tarball,
# except for excluded entries.
numIncluded = numExcluded = 0
with TarFile.open(mode='r|', fileobj=proc.stdout) as inTar:
for info in inTar:
if exclude(info):
if verbose:
print('EX', info.name)
numExcluded += 1
else:
if verbose:
print('IN', info.name)
numIncluded += 1
info.uid = info.gid = 1000
info.uname = info.gname = 'openmsx'
info.mode = info.mode & umask
outTar.addfile(info, inTar.extractfile(info))
print('entries: %d included, %d excluded' % (
numIncluded, numExcluded))
except:
# Clean up partial output file.
remove(outTarPath)
raise
except:
proc.terminate()
raise
else:
data, _ = proc.communicate()
if len(data) != 0:
print(
'WARNING: %d more bytes of data from "git archive" after '
'tar stream ended' % len(data),
file=sys.stderr
)
def niceVersionFromGitDescription(description):
'''Our release tag names are still based on naming limitations from CVS;
convert them to something more pleasing to the eyes.
'''
parts = description.split('-')
tag = parts[0]
if tag.startswith('RELEASE_'):
tagParts = tag.split('_')[1 : ]
i = 0
while i < len(tagParts) and tagParts[i].isdigit():
i += 1
version = '-'.join(
['.'.join(tagParts[ : i])] +
[s.lower() for s in tagParts[i : ]]
)
else:
version = tag
if len(parts) >= 2:
parts[1] = 'dev' + parts[1]
return '-'.join([version] + parts[1 : ])
def getDescription(committish):
args = ['git', 'describe', '--abbrev=9']
if committish is not None:
args.append(committish)
try:
data = check_output(args)
except CalledProcessError as ex:
print(
'"%s" returned %d' % (' '.join(args), ex.returncode),
file=sys.stderr
)
raise
else:
return data.decode('utf-8', 'replace').rstrip('\n')
def main(committish = None):
try:
description = getDescription(committish)
except CalledProcessError:
sys.exit(1)
version = niceVersionFromGitDescription(description)
try:
archiveFromGit('openmsx-%s' % version, description)
except (OSError, TarError) as ex:
print('ERROR: %s' % ex, file=sys.stderr)
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) == 1:
main()
elif len(sys.argv) == 2:
main(sys.argv[1])
else:
print('Usage: gitdist.py [branch | tag]', file=sys.stderr)
sys.exit(2)
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