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gnome3.updateScript: Add freeze functionality

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On stable releases, we will want to change the freeze parameter in pkgs/desktops/gnome-3/update.nix
to true to limit the gnome update script to only bump patch versions.
This commit is contained in:
Jan Tojnar 2020-04-25 00:04:31 +02:00
parent df3e072f24
commit 974f11cb29
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GPG key ID: 7FAB2A15F7A607A4
2 changed files with 24 additions and 6 deletions
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14
pkgs/desktops/gnome-3/find-latest-version.py
View file

@ -1,4 +1,5 @@
import argparse
import math
import json
import requests
import sys
@ -27,13 +28,19 @@ version_policies = {
'none': no_policy,
}
def make_version_policy(version_predicate, selected):
return lambda version: version_predicate(version, selected)
def make_version_policy(version_predicate, selected, upper_bound):
if not upper_bound:
upper_bound = [math.inf, math.inf]
else:
upper_bound = version_to_list(upper_bound)
return lambda version: version_predicate(version, selected) and version_to_list(version) < upper_bound
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')
parser.add_argument('--upper-bound', dest='upper-bound', help='Only look for versions older than this one (useful for pinning dependencies).')
if __name__ == '__main__':
@ -41,8 +48,9 @@ if __name__ == '__main__':
package_name = getattr(args, 'package-name')
requested_release = getattr(args, 'requested-release')
upper_bound = getattr(args, 'upper-bound')
version_predicate = version_policies[getattr(args, 'version-policy')]
version_policy = make_version_policy(version_predicate, requested_release)
version_policy = make_version_policy(version_predicate, requested_release, upper_bound)
# 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)

16
pkgs/desktops/gnome-3/update.nix
View file

@ -1,8 +1,18 @@
{ stdenv, lib, writeScript, python3, common-updater-scripts }:
{ packageName, attrPath ? packageName, versionPolicy ? "odd-unstable" }:
{ stdenv, pkgs, lib, writeScript, python3, common-updater-scripts }:
{ packageName, attrPath ? packageName, versionPolicy ? "odd-unstable", freeze ? false }:
let
python = python3.withPackages (p: [ p.requests ]);
upperBoundFlag =
let
package = lib.getAttrFromPath (lib.splitString "." attrPath) pkgs;
packageVersion = lib.getVersion package;
versionComponents = lib.versions.splitVersion packageVersion;
minorVersion = lib.versions.minor packageVersion;
minorAvailable = builtins.length versionComponents > 1 && builtins.match "[0-9]+" minorVersion != null;
nextMinor = builtins.fromJSON minorVersion + 1;
upperBound = "${lib.versions.major packageVersion}.${builtins.toString nextMinor}";
in lib.optionalString (minorAvailable && freeze) ''--upper-bound="${upperBound}"'';
updateScript = writeScript "gnome-update-script" ''
#!${stdenv.shell}
set -o errexit
@ -10,7 +20,7 @@ let
attr_path="$2"
version_policy="$3"
PATH=${lib.makeBinPath [ common-updater-scripts python ]}
latest_tag=$(python "${./find-latest-version.py}" "$package_name" "$version_policy" "stable")
latest_tag=$(python "${./find-latest-version.py}" "$package_name" "$version_policy" "stable" ${upperBoundFlag})
update-source-version "$attr_path" "$latest_tag"
'';
in [ updateScript packageName attrPath versionPolicy ]