From b4a506efa0d7e4300c65ff02b0c8fa581d9b4e1c Mon Sep 17 00:00:00 2001
From: Frederik Delaere <frederik.delaere@ugent.be>
Date: Thu, 10 Oct 2019 15:57:47 +0200
Subject: [PATCH] bugfix, new installations couldn't create a cache

---
 src/cache.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/cache.rs b/src/cache.rs
index 6441946..be64616 100755
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -132,7 +132,11 @@ pub fn update(modulepath: &str, shell: &str) -> bool {
     let mut index_default: i32 = 0;
 
     let file_str = format!("{}/{}", modulepath, MODULESINDEX);
-    let num_modules = count_modules_in_cache(&PathBuf::from(&file_str));
+    let num_modules = if Path::new(&file_str).exists() {
+        count_modules_in_cache(&PathBuf::from(&file_str))
+    } else {
+        0
+    };
 
     if shell == "progressbar" {
         echo("", shell);