Update hrunorraise

- Move implementation to scsh
- Cycle through possible windows

herbstluftwm/usr/bin/hrunorraise

@@ -1,17 +1,51 @@
-#!/bin/bash
-# hrunorraise --- Raise a window or start a new process
-#
-# Tries to find a window ID for a window with a given class value. If
-# no such window can be found treat the rest of the command line as
-# the command to start.
-#
-# This script depends on both herbstluftwm and wmctrl.
+#!/usr/local/bin/scsh \
+-o srfi-2 -s
+!#
 
-WINID=$(wmctrl -lx | grep "\.$1" | awk '{ print $1 }')
+(define client-regexp
+  (rx "  " (submatch "0x" (= 7 hex))))
 
-if [ -n "${WINID}" ]; then
-    herbstclient jumpto "${WINID}"
-else
-    shift
-    exec "$@"
-fi
+(define current-client
+  (run/string (herbstclient -n attr clients.focus.winid)))
+
+(define (extract-client-id potential-client)
+  (and-let* ((matched (regexp-search client-regexp potential-client)))
+    (match:substring matched 1)))
+
+(define (compact lst)
+  "Filter #f values from LST."
+  (filter (lambda (x) x) lst))
+
+(define clients
+  (compact (map extract-client-id
+                (run/strings (herbstclient attr clients)))))
+
+(define (client-class client-id)
+  (let ((path (string-append "clients." client-id ".class")))
+   (run/string (herbstclient -n attr ,path))))
+
+(define clients-with-class
+  (map (lambda (client)
+              (cons client (client-class client)))
+            clients))
+
+(define classed-clients
+  (map car
+       (filter (lambda (client-and-class)
+                 (string= (cdr client-and-class)
+                          (car command-line-arguments)))
+               clients-with-class)))
+
+(define (next-client)
+  (and-let* ((tail (member current-client classed-clients)))
+    (cdr tail)))
+
+(define new-client
+  (let ((next (next-client)))
+    (if (or (not next) (null? next))
+        (car (or (and (not (null? classed-clients)) classed-clients) '(#f)))
+        (car next))))
+
+(if new-client
+    (run (herbstclient jumpto ,new-client))
+    (exec-epf (,@(cdr command-line-arguments))))