Add fail() to init

init

@@ -2,6 +2,11 @@
 SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
 NEEDS="needs to be installed through your distro's package manager"
 
+function fail {
+    echo "UnderCover Init Failed!"
+    exit 1
+}
+
 failed=false
 
 if ! whereis python3 | grep "/" &> /dev/null; then
@@ -20,7 +25,7 @@ if ! whereis pdflatex | grep "/" &> /dev/null; then
 fi
 
 if $failed; then
-    exit 1
+    fail
 fi
 
 commands=(
@@ -31,8 +36,7 @@ commands=(
 
 for com in "${commands[@]}"; do
     if ! $com; then
-        echo "UnderCover Init Failed!"
-        exit 1
+        fail
     fi
 done