radicle-httpd: add updateScript

pkgs/by-name/ra/radicle-httpd/package.nix

@@ -66,6 +66,8 @@ rustPlatform.buildRustPackage (finalAttrs: {
   versionCheckProgramArg = "--version";
   doInstallCheck = true;
 
+  passthru.updateScript = ./update.sh;
+
   meta = {
     description = "Radicle JSON HTTP API Daemon";
     longDescription = ''

pkgs/by-name/ra/radicle-httpd/update.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils gnused gitMinimal nix-update
+
+set -euo pipefail
+
+dirname="$(dirname "${BASH_SOURCE[0]}")"
+
+url=$(nix-instantiate --eval --raw -A radicle-httpd.src.url)
+old_node=$(nix-instantiate --eval --raw -A radicle-httpd.src.node)
+
+ref=$(git ls-remote "$url" 'refs/namespaces/*/refs/tags/v0*' \
+  | cut -f2 | grep -Ev '\^\{\}$' | sort -t/ -k6rV | head -1)
+[[ "$ref" =~ ^refs/namespaces/([^/]+)/refs/tags/v([^/]+)$ ]]
+new_node="${BASH_REMATCH[1]}"
+version="${BASH_REMATCH[2]}"
+
+sed -i "s/${old_node}/${new_node}/g" "${dirname}/package.nix"
+nix-update --version="$version" radicle-httpd
+nix-update --version=skip radicle-explorer