keyguard: add update script

pkgs/by-name/ke/keyguard/package.nix

@@ -60,6 +60,8 @@ stdenv.mkDerivation (finalAttrs: {
     useBwrap = false;
   };
 
+  passthru.updateScript = ./update.sh;
+
   doCheck = false;
 
   gradleFlags = [ "-Dorg.gradle.java.home=${jdk17}" ];

pkgs/by-name/ke/keyguard/update.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -I nixpkgs=./. -i bash -p bash nixVersions.latest curl coreutils jq common-updater-scripts
+
+set -eou pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+
+latest=$(curl ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} -sL https://api.github.com/repos/AChep/keyguard-app/releases/latest)
+latestTag=$(echo "$latest" | jq -r ".tag_name")
+latestName=$(echo "$latest" | jq -r ".name")
+latestVersion=$(echo "$latestName" | awk -F'v|-' '{print $2}')
+
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; keyguard.version" | tr -d '"')
+
+echo "latest  version: $latestVersion"
+echo "current version: $currentVersion"
+
+if [[ "$latestVersion" == "$currentVersion" ]]; then
+    echo "package is up-to-date"
+    exit 0
+fi
+
+hash=$(nix hash convert --hash-algo sha256 --to sri $(nix-prefetch-url --unpack "https://github.com/AChep/keyguard-app/archive/refs/tags/${latestTag}.tar.gz"))
+update-source-version keyguard $latestVersion $hash
+
+sed -i "s/tag = \"r[0-9]\+\";/tag = \"$latestTag\";/g" "$ROOT/package.nix"
+
+$(nix-build -A keyguard.mitmCache.updateScript)