fixed wrong home dir substitution

scripts/cwd.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-source $current_dir/utils.sh
+source "$current_dir/utils.sh"
 
 # return current working directory of tmux pane
 getPaneDir() {
@@ -18,20 +18,25 @@ getPaneDir() {
 main() {
   path=$(getPaneDir)
 
+  if [[ "$path" == "$HOME" ]]; then
+    echo "~"
+    exit 0
+  fi
+
   # change '/home/user' to '~'
-  cwd="${path/"$HOME"/'~'}"
+  cwd="${path/"${HOME}/"/'~/'}"
 
   # check max number of subdirs to display. 0 means unlimited
-  cwd_len=$(get_tmux_option "@dracula-cwd-length" "0")
+  cwd_max_dirs=$(get_tmux_option "@dracula-cwd-max-dirs" "0")
 
-  if [[ "$cwd_len" -gt 0 ]]; then
+  if [[ "$cwd_max_dirs" -gt 0 ]]; then
     base_to_erase=$cwd
-    for ((i = 0 ; i < cwd_len ; i++)); do
+    for ((i = 0 ; i < cwd_max_dirs ; i++)); do
       base_to_erase="${base_to_erase%/*}"
     done
     # / would have #base_to_erase of 0 and ~/ has #base_to_erase of 1. we want to exclude both cases
     if [[ ${#base_to_erase} -gt 1 ]]; then
-      cwd=${cwd:${#base_to_erase}+1}
+      cwd="…/${cwd:${#base_to_erase}+1}"
     fi
   fi