bloomeetunes: add update script

pkgs/by-name/bl/bloomeetunes/package.nix

@@ -16,8 +16,8 @@ flutter324.buildFlutterApplication rec {
   src = fetchFromGitHub {
     owner = "HemantKArya";
     repo = "BloomeeTunes";
-    tag = "v${version}+153";
-    hash = "sha256-Zx64hu+f8b/epGR80Ql2z239oSBfBt9k7crIFJCLlm4=";
+    tag = "v${version}+154";
+    hash = "sha256-D3L8tW6ZtUS9UNlykYGcz+V1qZOMARCLKf38d2KYel4=";
   };
 
   pubspecLock = lib.importJSON ./pubspec.lock.json;
@@ -51,6 +51,8 @@ flutter324.buildFlutterApplication rec {
     }"
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = {
     description = "Cross-platform music app designed to bring you ad-free tunes from various sources";
     homepage = "https://github.com/HemantKArya/BloomeeTunes";

pkgs/by-name/bl/bloomeetunes/update.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -I nixpkgs=./. -i bash -p curl gnused jq yq nixVersions.latest bash coreutils common-updater-scripts
+
+set -eou pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+
+latestTag=$(curl ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} -sL https://api.github.com/repos/HemantKArya/BloomeeTunes/releases/latest | jq --raw-output .tag_name)
+latestVersion=$(echo "$latestTag" | sed 's/^v//' | grep -o '^[^+]*')
+RunNumber=$(echo "$latestTag" | grep -o '[^+]*$')
+
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; bloomeetunes.version or (lib.getVersion bloomeetunes)" | tr -d '"')
+
+if [[ "$currentVersion" == "$latestVersion" ]]; then
+    echo "package is up-to-date: $currentVersion"
+    exit 0
+fi
+
+sed -i "s/\(tag = \"v\${version}+\)[0-9]\+/\1${RunNumber}/" "$ROOT/package.nix"
+
+hash=$(nix hash convert --hash-algo sha256 --to sri $(nix-prefetch-url --unpack "https://github.com/HemantKArya/BloomeeTunes/archive/refs/tags/${latestTag}.tar.gz"))
+update-source-version bloomeetunes $latestVersion $hash
+
+curl https://raw.githubusercontent.com/HemantKArya/BloomeeTunes/${latestTag}/pubspec.lock | yq . >$ROOT/pubspec.lock.json