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Merge pull request #85968 from jtojnar/gnome-update-freezer

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gnome3.updateScript: Add freeze functionality
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worldofpeace 2020-04-24 19:36:52 -04:00 committed by GitHub
commit 2c3273caa1
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2 changed files with 45 additions and 21 deletions
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50
pkgs/desktops/gnome-3/find-latest-version.py
View file

@ -1,10 +1,13 @@
import argparse
import math
import json
import requests
import sys
def version_to_list(version):
return list(map(int, version.split('.')))
return list(map(int, version.split(".")))
def odd_unstable(version_str, selected):
version = version_to_list(version_str)
@ -14,47 +17,58 @@ def odd_unstable(version_str, selected):
even = version[1] % 2 == 0
prerelease = (version[1] >= 90 and version[1] < 100) or (version[1] >= 900 and version[1] < 1000)
stable = even and not prerelease
if selected == 'stable':
if selected == "stable":
return stable
else:
return True
def no_policy(version, selected):
return True
version_policies = {
'odd-unstable': odd_unstable,
'none': no_policy,
"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')
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
if __name__ == '__main__':
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__":
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)
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, 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)
cache = json.loads(requests.get(f"https://ftp.gnome.org/pub/GNOME/sources/{package_name}/cache.json").text)
if type(cache) != list or cache[0] != 4:
print('Unknown format of cache.json file.', file=sys.stderr)
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)
print("No versions matched.", file=sys.stderr)
sys.exit(1)
print(versions[-1])

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 ]