From 852f76758daeaf67a988ecbb8daa17310d053010 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Sat, 20 Jun 2026 11:06:23 +0100
Subject: scripts: Report non-existent source files gracefully.

---
 scripts/ccwl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/ccwl b/scripts/ccwl
index 3f8ab9b..cc7728f 100755
--- a/scripts/ccwl
+++ b/scripts/ccwl
@@ -73,6 +73,10 @@ exec guile --no-auto-compile -e main -s "$0" "$@"
   ;; our purposes. Besides, compiling would fail since the workflow
   ;; macro cannot access command definitions.
   (set! %load-should-auto-compile #f)
+  (unless (file-exists? source)
+    (raise-exception
+     (formatted-message "File ~a does not exist"
+                        source)))
   ((case to
      ((cwl) function->cwl)
      ((dot) function->dot))
-- 
cgit 1.4.1