From dbd2e9514884e88772da40fb3dcf46be65db5a6f Mon Sep 17 00:00:00 2001
From: Michael Adler <therisen06@gmail.com>
Date: Wed, 22 Mar 2023 14:19:29 +0100
Subject: [PATCH] mtools: add update script

---
 pkgs/tools/filesystems/mtools/default.nix | 4 ++++
 pkgs/tools/filesystems/mtools/update.sh   | 6 ++++++
 2 files changed, 10 insertions(+)
 create mode 100755 pkgs/tools/filesystems/mtools/update.sh

diff --git a/pkgs/tools/filesystems/mtools/default.nix b/pkgs/tools/filesystems/mtools/default.nix
index d839b51d4e42..a012a9f7e53b 100644
--- a/pkgs/tools/filesystems/mtools/default.nix
+++ b/pkgs/tools/filesystems/mtools/default.nix
@@ -18,6 +18,10 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  passthru = {
+    updateScript = ./update.sh;
+  };
+
   meta = with lib; {
     homepage = "https://www.gnu.org/software/mtools/";
     description = "Utilities to access MS-DOS disks";
diff --git a/pkgs/tools/filesystems/mtools/update.sh b/pkgs/tools/filesystems/mtools/update.sh
new file mode 100755
index 000000000000..8fd6505490fa
--- /dev/null
+++ b/pkgs/tools/filesystems/mtools/update.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl common-updater-scripts
+set -eu -o pipefail
+
+version="$(curl -s --list-only ftp://ftp.gnu.org/gnu/mtools/ | sed 's/^.*-\([0-9]\+\.[0-9]\+\.[0-9]\+\).*$/\1/' | sort -n | uniq | tail -n1)"
+update-source-version mtools "$version"