qgis: add update script (#384085)

pkgs/applications/gis/qgis/default.nix

@@ -21,7 +21,7 @@ let
 in
 symlinkJoin rec {
 
-  inherit (qgis-unwrapped) version;
+  inherit (qgis-unwrapped) version src;
   name = "qgis-${version}";
 
   paths = [ qgis-unwrapped ];
@@ -47,6 +47,10 @@ symlinkJoin rec {
   passthru = {
     unwrapped = qgis-unwrapped;
     tests.qgis = nixosTests.qgis;
+    updateScript = [
+      ./update.sh
+      "qgis"
+    ];
   };
 
   meta = qgis-unwrapped.meta;

pkgs/applications/gis/qgis/ltr.nix

@@ -21,7 +21,7 @@ let
 in
 symlinkJoin rec {
 
-  inherit (qgis-ltr-unwrapped) version;
+  inherit (qgis-ltr-unwrapped) version src;
   name = "qgis-${version}";
 
   paths = [ qgis-ltr-unwrapped ];
@@ -48,6 +48,10 @@ symlinkJoin rec {
   passthru = {
     unwrapped = qgis-ltr-unwrapped;
     tests.qgis-ltr = nixosTests.qgis-ltr;
+    updateScript = [
+      ./update.sh
+      "qgis-ltr"
+    ];
   };
 
   inherit (qgis-ltr-unwrapped) meta;

pkgs/applications/gis/qgis/update.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p common-updater-scripts curl jq
+
+set -eu -o pipefail
+
+url="https://version.qgis.org/version.json"
+
+package="$1"
+
+function make_version {
+    jq --raw-output '[.major, .minor, .patch] | join(".")'
+}
+
+if [ "$package" == "qgis" ]; then
+    version="$(curl --silent $url | jq '.latest' | make_version)"
+elif [ "$package" == "qgis-ltr" ]; then
+    version="$(curl --silent $url | jq '.ltr' | make_version)"
+fi
+
+update-source-version "$package" "$version"