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#!/usr/bin/env python
from collections import namedtuple
import argparse
import base64
import copy
import json
import subprocess
import sys
import urllib.parse
import urllib.request
import urllib.error
class Error(Exception):
pass
class Version(object):
def __init__(self, version):
versions = version.split(sep='.')
if len(versions) < 2 or len(versions) > 3:
raise Error("Invalid version string '{}'".format(version))
self.major = int(versions[0])
self.minor = int(versions[1])
self.revision = int(versions[2]) if len(versions) == 3 else 0
def __str__(self):
return '{}.{}.{}'.format(self.major, self.minor, self.revision)
def __eq__(self, other):
return self.major == other.major and self.minor == other.minor and self.revision == other.revision
def verify_version(version):
expected = {
'VERSION': [ '"{}"'.format(version), None ],
'VER_MAJOR': [ str(version.major), None ],
'VER_MINOR': [ str(version.minor), None ],
'VER_REVISION': [ str(version.revision), None ],
'VER_PATCH': [ '0', None ],
'SOVERSION': [ '"{}.{}"'.format(version.major, version.minor), None ],
}
with open('include/git2/version.h') as f:
lines = f.readlines()
for key in expected.keys():
define = '#define LIBGIT2_{} '.format(key)
for line in lines:
if line.startswith(define):
expected[key][1] = line[len(define):].strip()
break
else:
raise Error("version.h: missing define for '{}'".format(key))
for k, v in expected.items():
if v[0] != v[1]:
raise Error("version.h: define '{}' does not match (got '{}', expected '{}')".format(k, v[0], v[1]))
def generate_relnotes(tree, version):
with open('docs/changelog.md') as f:
lines = f.readlines()
if not lines[0].startswith('v'):
raise Error("changelog.md: missing section for v{}".format(version))
try:
v = Version(lines[0][1:].strip())
except:
raise Error("changelog.md: invalid version string {}".format(lines[0].strip()))
if v != version:
raise Error("changelog.md: changelog version doesn't match (got {}, expected {})".format(v, version))
if not lines[1].startswith('----'):
raise Error("changelog.md: missing version header")
if lines[2] != '\n':
raise Error("changelog.md: missing newline after version header")
for i, line in enumerate(lines[3:]):
if not line.startswith('v'):
continue
try:
Version(line[1:].strip())
break
except:
continue
else:
raise Error("changelog.md: cannot find section header of preceding release")
return ''.join(lines[3:i + 3]).strip()
def git(*args):
process = subprocess.run([ 'git', *args ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if process.returncode != 0:
raise Error('Failed executing git {}: {}'.format(' '.join(args), process.stderr.decode()))
return process.stdout
def post(url, data, contenttype, user, password):
request = urllib.request.Request(url, data=data)
request.add_header('Accept', 'application/json')
request.add_header('Content-Type', contenttype)
request.add_header('Content-Length', len(data))
request.add_header('Authorization', 'Basic ' + base64.b64encode('{}:{}'.format(user, password).encode()).decode())
try:
response = urllib.request.urlopen(request)
if response.getcode() != 201:
raise Error("POST to '{}' failed: {}".format(url, response.reason))
except urllib.error.URLError as e:
raise Error("POST to '{}' failed: {}".format(url, e))
data = json.load(response)
return data
def generate_asset(version, tree, archive_format):
Asset = namedtuple('Asset', ['name', 'label', 'mimetype', 'data'])
mimetype = 'application/{}'.format('gzip' if archive_format == 'tar.gz' else 'zip')
return Asset(
"libgit2-{}.{}".format(version, archive_format), "Release sources: libgit2-{}.{}".format(version, archive_format), mimetype,
git('archive', '--format', archive_format, '--prefix', 'libgit2-{}/'.format(version), tree)
)
def release(args):
params = {
"tag_name": 'v' + str(args.version),
"name": 'libgit2 v' + str(args.version),
"target_commitish": git('rev-parse', args.tree).decode().strip(),
"body": generate_relnotes(args.tree, args.version),
}
assets = [
generate_asset(args.version, args.tree, 'tar.gz'),
generate_asset(args.version, args.tree, 'zip'),
]
if args.dryrun:
for k, v in params.items():
print('{}: {}'.format(k, v))
for asset in assets:
print('asset: name={}, label={}, mimetype={}, bytes={}'.format(asset.name, asset.label, asset.mimetype, len(asset.data)))
return
try:
url = 'https://api.github.com/repos/{}/releases'.format(args.repository)
response = post(url, json.dumps(params).encode(), 'application/json', args.user, args.password)
except Error as e:
raise Error('Could not create release: ' + str(e))
for asset in assets:
try:
url = list(urllib.parse.urlparse(response['upload_url'].split('{?')[0]))
url[4] = urllib.parse.urlencode({ 'name': asset.name, 'label': asset.label })
post(urllib.parse.urlunparse(url), asset.data, asset.mimetype, args.user, args.password)
except Error as e:
raise Error('Could not upload asset: ' + str(e))
def main():
parser = argparse.ArgumentParser(description='Create a libgit2 release')
parser.add_argument('--tree', default='HEAD', help='tree to create release for (default: HEAD)')
parser.add_argument('--dryrun', action='store_true', help='generate release, but do not post it')
parser.add_argument('--repository', default='libgit2/libgit2', help='GitHub repository to create repository in')
parser.add_argument('--user', help='user to authenitcate as')
parser.add_argument('--password', help='password to authenticate with')
parser.add_argument('version', type=Version, help='version of the new release')
args = parser.parse_args()
verify_version(args.version)
release(args)
if __name__ == '__main__':
try:
main()
except Error as e:
print(e)
sys.exit(1)
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