Fixed segfault when no modules are installed or set as default

1 files changed, 13 insertions, 1 deletions

diff --git a/src/bible.cc b/src/bible.cc
index a09c0c0..4da2326 100644
--- a/src/bible.cc
+++ b/src/bible.cc
@@ -31,7 +31,19 @@ void usage() {
 }
 
 string getDefaultModule() {
-    return libbible::settingsRead("module");
+    map<string, vector<string>> mods = libbible::getModules();
+    string mod = libbible::settingsRead("module");
+    if(mods.count(mod) > 0) {
+        return mod;
+    }
+    if(!mods.empty()) {
+        // Just get one
+        for(auto pair : mods) {
+            return pair.first.c_str();
+        }
+    }
+    printf("ERROR: No mods installed!\n");
+    exit(1);
 }
 
 void listModules() {