fish: formatted fish functions

nix/homeModules/fish/functions/file_mantissa.fish

@@ -1,8 +1,8 @@
 function file_mantissa
-if count $argv >/dev/null
-    echo (basename $argv) | sed 's/\.[^.]*$//'
-else
-    echo "Please supply a path"
-    return 1
-end
+    if count $argv >/dev/null
+        echo (basename $argv) | sed 's/\.[^.]*$//'
+    else
+        echo "Please supply a path"
+        return 1
+    end
 end