burpsuite: add updateScript

pkgs/by-name/bu/burpsuite/package.nix

···
     cp -r ${desktopItem}/share/applications $out/share
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     inherit description;
     longDescription = ''

pkgs/by-name/bu/burpsuite/update.sh

···
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq xxd gnused diffutils
+set -eu -o pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+
+curl -s 'https://portswigger.net/burp/releases/data' |
+  jq -r '
+      [[
+        .ResultSet.Results[]
+        | select(
+            (.categories | sort) == (["Professional","Community"] | sort)
+            and .releaseChannels == ["Early Adopter"]
+          )
+      ][0].builds[]
+      | select(.ProductPlatform == "Jar")
+    ]' >latest.json
+
+version=$(jq -r '.[0].Version' latest.json)
+
+comm_hex=$(jq -r '.[] | select(.ProductId=="community") .Sha256Checksum' latest.json)
+pro_hex=$(jq -r '.[] | select(.ProductId=="pro") .Sha256Checksum' latest.json)
+
+comm_sri="sha256-$(printf %s "$comm_hex" | xxd -r -p | base64 -w0)"
+pro_sri="sha256-$(printf %s "$pro_hex" | xxd -r -p | base64 -w0)"
+
+sed -i \
+  -e "s|^\(\s*version = \)\"[^\"]*\";|\1\"$version\";|" \
+  -e "/productName = \"community\"/,/hash =/ {
+        s|sha256-[^\"]*|$comm_sri|
+     }" \
+  -e "/productName = \"pro\"/,/hash =/ {
+        s|sha256-[^\"]*|$pro_sri|
+     }" \
+  $SCRIPT_DIR/package.nix
+
+echo "burpsuite → $version"
+echo "  community: $comm_sri"
+echo "  pro      : $pro_sri"