mt-st: init at 1.3

Closes #15787

pkgs/tools/backup/mt-st/default.nix

@@ -0,0 +1,23 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "mt-st-1.3";
+
+  src = fetchurl {
+    url = "https://github.com/iustin/mt-st/releases/download/${name}/${name}.tar.gz";
+    sha256 = "b552775326a327cdcc076c431c5cbc4f4e235ac7c41aa931ad83f94cccb9f6de";
+  };
+
+  installFlags = [ "PREFIX=$(out)" "EXEC_PREFIX=$(out)" ];
+
+  meta = {
+    description = "Magnetic Tape control tools for Linux";
+    longDescription = ''
+      Fork of the standard "mt" tool with additional Linux-specific IOCTLs.
+    '';
+    homepage = https://github.com/iustin/mt-st;
+    license = stdenv.lib.licenses.gpl2;
+    maintainers = [ stdenv.lib.maintainers.redvers ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2507,6 +2507,8 @@ in
 
   mtx = callPackage ../tools/backup/mtx {};
 
+  mt-st = callPackage ../tools/backup/mt-st {};
+
   multitran = recurseIntoAttrs (let callPackage = newScope pkgs.multitran; in rec {
     multitrandata = callPackage ../tools/text/multitran/data { };