use test to not install programs if already installed

dot_config/private_fish/config.fish

@@ -10,8 +10,13 @@ if status is-interactive
     if test -f ~/.config/fish/config.fish.local
         source ~/.config/fish/config.fish.local
     end
+    if test -f ~/.config/fish/config.local.fish
+        source ~/.config/fish/config.local.fish
+    end
 end
 
+alias ls="lsd"
+
 fish_add_path $HOME/.webman/bin
 
 set -gx EDITOR nvim

dot_config/private_fish/dot_on_install.fish

@@ -1,11 +1,18 @@
-curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source && fisher install jorgebucaran/fisher
-
-fisher install IlanCosman/tide@v6
-fisher install PatrickF1/fzf.fish
+# if fisher is not installed, install it
+if not functions -q fisher
+    curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source && fisher install jorgebucaran/fisher
+end
+if functions -q fisher
+    fisher install IlanCosman/tide@v6
+    fisher install PatrickF1/fzf.fish
+end
 
 fish_add_path ~/.webman/bin/
 
-bash (curl https://raw.githubusercontent.com/atuinsh/atuin/main/install.sh | psub)
-if type -q $atuin
+# if atuin is not installed, install it
+if not type -q atuin
+    bash (curl https://raw.githubusercontent.com/atuinsh/atuin/main/install.sh | psub)
+end
+if type -q atuin
     atuin import auto
 end