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author | Jan Tojnar <jtojnar@gmail.com> | 2017-12-25 10:46:52 +0100 |
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committer | Jan Tojnar <jtojnar@gmail.com> | 2018-03-01 02:53:00 +0100 |
commit | cc1d6fcbcb83608f7a1c86c103e55bb1728c1ad6 (patch) | |
tree | e4a523f3dc7dc53652d351d1d5f6a448ab8909de /pkgs/desktops/gnome-3/find-latest-version.py | |
parent | b0a57be4feef0a6243ffd8fcbfd2f41b584839b4 (diff) | |
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gnome3: add updateScript
Diffstat (limited to 'pkgs/desktops/gnome-3/find-latest-version.py')
-rw-r--r-- | pkgs/desktops/gnome-3/find-latest-version.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/pkgs/desktops/gnome-3/find-latest-version.py b/pkgs/desktops/gnome-3/find-latest-version.py new file mode 100644 index 00000000000..e6089c69c04 --- /dev/null +++ b/pkgs/desktops/gnome-3/find-latest-version.py @@ -0,0 +1,58 @@ +import argparse +import json +import requests +import sys + +def version_to_list(version): + return list(map(int, version.split('.'))) + +def odd_unstable(version_str, selected): + version = version_to_list(version_str) + if len(version) < 2: + return True + + even = version[1] % 2 == 0 + if selected == 'stable': + return even + else: + return not even + +def no_policy(version, selected): + return True + +version_policies = { + 'odd-unstable': odd_unstable, + 'none': no_policy, +} + +def make_version_policy(version_predicate, selected): + return lambda version: version_predicate(version, selected) + +parser = argparse.ArgumentParser(description='Find latest version for a GNOME package by crawling their release server.') +parser.add_argument('package-name', help='Name of the directory in https://ftp.gnome.org/pub/GNOME/sources/ containing the package.') +parser.add_argument('version-policy', help='Policy determining which versions are considered stable. For most GNOME packages, odd minor versions are unstable but there are exceptions.', choices=version_policies.keys(), nargs='?', default='odd-unstable') +parser.add_argument('requested-release', help='Most of the time, we will want to update to stable version but sometimes it is useful to test.', choices=['stable', 'unstable'], nargs='?', default='stable') + + +if __name__ == '__main__': + args = parser.parse_args() + + package_name = getattr(args, 'package-name') + requested_release = getattr(args, 'requested-release') + version_predicate = version_policies[getattr(args, 'version-policy')] + version_policy = make_version_policy(version_predicate, requested_release) + + # The structure of cache.json: https://gitlab.gnome.org/Infrastructure/sysadmin-bin/blob/master/ftpadmin#L762 + cache = json.loads(requests.get('https://ftp.gnome.org/pub/GNOME/sources/{}/cache.json'.format(package_name)).text) + if type(cache) != list or cache[0] != 4: + print('Unknown format of cache.json file.', file=sys.stderr) + sys.exit(1) + + versions = cache[2][package_name] + versions = sorted(filter(version_policy, versions), key=version_to_list) + + if len(versions) == 0: + print('No versions matched.', file=sys.stderr) + sys.exit(1) + + print(versions[-1]) |