mihomo-party: add update script

pkgs/by-name/mi/mihomo-party/update.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash nixVersions.latest curl coreutils jq common-updater-scripts
+
+latestTag=$(curl ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} -sL https://api.github.com/repos/mihomo-party-org/mihomo-party/releases/latest | jq -r ".tag_name")
+latestVersion="$(expr "$latestTag" : 'v\(.*\)')"
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; mihomo-party.version" | tr -d '"')
+
+echo "latest  version: $latestVersion"
+echo "current version: $currentVersion"
+
+if [[ "$latestVersion" == "$currentVersion" ]]; then
+    echo "package is up-to-date"
+    exit 0
+fi
+
+for i in \
+    "x86_64-linux amd64" \
+    "aarch64-linux arm64"; do
+    set -- $i
+    prefetch=$(nix-prefetch-url "https://github.com/mihomo-party-org/mihomo-party/releases/download/v$latestVersion/mihomo-party-linux-$latestVersion-$2.deb")
+    hash=$(nix hash convert --hash-algo sha256 --to sri $prefetch)
+    update-source-version mihomo-party $latestVersion $hash --system=$1 --ignore-same-version
+done