some more progress on script

config/fish/config.fish

@@ -0,0 +1,90 @@
+alias ls='ls -l --color'
+alias ll='ls -la --color'
+
+if status is-interactive
+	function fish_prompt
+
+  # Cache exit status
+  set -l last_status $status
+
+  # Set color for variables in prompt
+  set -l normal (set_color normal)
+  set -l white (set_color FFFFFF)
+  set -l turquoise (set_color 5fdfff)
+  set -l orange (set_color df5f00)
+  set -l hotpink (set_color df005f)
+  set -l blue (set_color blue)
+  set -l limegreen (set_color 87ff00)
+  set -l purple (set_color af5fff)
+  set -l red (set_color e70e0e)
+
+  # Configure __fish_git_prompt
+  set -g __fish_git_prompt_char_stateseparator ' '
+  set -g __fish_git_prompt_color 5fdfff
+  set -g __fish_git_prompt_color_flags df5f00
+  set -g __fish_git_prompt_color_prefix white
+  set -g __fish_git_prompt_color_suffix white
+  set -g __fish_git_prompt_showdirtystate true
+  set -g __fish_git_prompt_showuntrackedfiles true
+  set -g __fish_git_prompt_showstashstate true
+
+  # FIXME: below var causes rendering issues with fish v3.2.0
+  set -g __fish_git_prompt_show_informative_status true 
+
+
+  # Only calculate once, to save a few CPU cycles when displaying the prompt
+  if not set -q __fish_prompt_hostname
+    # set -g __fish_prompt_hostname (hostname|cut -d . -f 1)
+    set -g __fish_prompt_hostname $orange(prompt_hostname)(set_color normal)
+  end
+  if not set -q __fish_prompt_char
+    if [ (id -u) -eq 0 ]
+      set -g __fish_prompt_char (set_color red)'λ'(set_color normal)
+    else  
+      set -g __fish_prompt_char 'λ'
+    end
+  end
+  
+  # change `at` to `ssh` when an interactive ssh session is present
+  if [ "$SSH_TTY" = "" ]
+    set -g location at
+    # set -g __fish_prompt_hostname (set_color orange)(hostname|cut -d . -f 1)
+  else # connected via ssh
+    if [ "$TERM" = "xterm-256color-italic" -o "$TERM" = "tmux-256color" ]
+      set -g location (echo -e "\e[3mssh\e[23m")
+      # set -g ssh_hostname (echo -e $blue$__fish_prompt_hostname)
+      set -g __fish_prompt_hostname $blue(prompt_hostname)(set_color normal)
+    else
+      set -g location ssh
+      # set -g ssh_hostname (echo -e $blue$__fish_prompt_hostname)
+      set -g __fish_prompt_hostname $blue(prompt_hostname)(set_color normal)
+    end
+  end
+
+  if [ (id -u) -eq 0 ]
+    # top line > Superuser
+    echo -n $red'╭─'$hotpink$USER $white$location $__fish_prompt_hostname$white' in '$limegreen(pwd)$turquoise
+    __fish_git_prompt " (%s)"
+    echo
+    # bottom line > Superuser
+    echo -n $red'╰'
+    echo -n $red'─'$__fish_prompt_char $normal
+  else # top line > non superuser's
+    echo -n $white'╭─'$hotpink$USER $white$location $__fish_prompt_hostname$white' in '$limegreen(pwd)$turquoise
+    __fish_git_prompt " (%s)"
+    echo
+    # bottom line > non superuser's
+    echo -n $white'╰'
+    echo -n $white'─'$__fish_prompt_char $normal
+  end
+  
+  # NOTE: disable `VIRTUAL_ENV_DISABLE_PROMPT` in `config.fish`
+  # see:  https://virtualenv.pypa.io/en/latest/reference/#envvar-VIRTUAL_ENV_DISABLE_PROMPT
+  # support for virtual env name
+  if set -q VIRTUAL_ENV
+      echo -n "($turquoise"(basename "$VIRTUAL_ENV")"$white)"
+  end
+end
+
+
+end