fix nix-shell initalization in bash

config/bash/aliases

@@ -73,3 +73,4 @@ alias path='sed "s/:/\n/g" <<< $PATH'
 alias utc='date -u +"%Y-%m-%d %H:%M:%S UTC"'
 alias fonts='fc-list | awk -F: "{ print \$2 }" | sort | uniq | fzf'
 alias hz='xrandr --output DisplayPort-1 --mode 1920x1080 --rate'
+alias ns='nix-shell'

config/bash/custom

@@ -33,7 +33,16 @@ _exists zoxide && eval "$(zoxide init bash)"
 
 # use starship prompt, unless in linux terminal
 if [[ "$TERM" != "linux" ]]; then
+    # suppress setting title for the commands run by nix-shell initalization
+    [[ -v IN_NIX_SHELL ]] && _suppress_title=1
     function _set_win_title {
+        if [[ -v _suppress_title ]]; then
+            # this is the last command run during nix-shell initalization
+            if [[ "$@" == "shopt -s execfail" ]]; then
+                unset _suppress_title
+            fi
+            return
+        fi
         # check if still in .bashrc
         if declare -F _bashrc_main > /dev/null; then
             return