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{ stdenv, pkgs, lib, writeScript, python3, common-updater-scripts }:
{ packageName, attrPath ? packageName, versionPolicy ? "tagged", freeze ? false }:
let
python = python3.withPackages (p: [ p.requests p.libversion ]);
package = lib.attrByPath (lib.splitString "." attrPath) (throw "Cannot find attribute ‘${attrPath}’.") pkgs;
packageVersion = lib.getVersion package;
upperBound =
let
versionComponents = lib.versions.splitVersion packageVersion;
minorVersion = lib.versions.minor packageVersion;
minorAvailable = builtins.length versionComponents > 1 && builtins.match "[0-9]+" minorVersion != null;
nextMinor = builtins.fromJSON minorVersion + 1;
upperBound = "${lib.versions.major packageVersion}.${builtins.toString nextMinor}";
in
if builtins.isBool freeze then
lib.optionals (freeze && minorAvailable) [ upperBound ]
else if builtins.isString freeze then
[ freeze ]
else
throw "“freeze” argument needs to be either a boolean, or a version string.";
updateScript = writeScript "gnome-update-script" ''
#!${python}/bin/python
import json
import os
import subprocess
import sys
from libversion import Version
_, attr_path, package_name, package_version, version_policy, *remaining_args = sys.argv
flv_args = [
package_name,
version_policy,
os.environ.get("GNOME_UPDATE_STABILITY", "stable"),
]
match remaining_args:
case []:
pass
case [upper_bound]:
flv_args.append(f"--upper-bound={upper_bound}")
case other:
print("gnome-update-script: Received too many arguments.", file=sys.stderr)
sys.exit(1)
latest_tag = subprocess.check_output(
[
"${python}/bin/python",
"${./find-latest-version.py}",
*flv_args,
],
encoding="utf-8",
)
if Version(latest_tag) <= Version(package_version):
# No newer updates found.
print(json.dumps([]))
sys.exit(0)
latest_tag = latest_tag.strip()
subprocess.run(
[
"${common-updater-scripts}/bin/update-source-version",
attr_path,
latest_tag,
],
check=True,
)
report = [
{
"attrPath": attr_path,
"commitBody": f"https://gitlab.gnome.org/GNOME/{package_name}/-/compare/{package_version}...{latest_tag}",
},
]
print(json.dumps(report))
'';
in {
name = "gnome-update-script";
command = [ updateScript attrPath packageName packageVersion versionPolicy ] ++ upperBound;
supportedFeatures = [
"commit"
];
}
|