chore: refactor starship prompt setup

zsh/.config/zsh/.zshrc

@@ -1,5 +1,3 @@
-#!/bin/sh
-
 # some useful options (man zshoptions)
 setopt autocd extendedglob nomatch menucomplete
 setopt interactive_comments

zsh/.config/zsh/zsh-aliases

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 [ -x "$(command -v lsd)" ] && alias ls="lsd"
 [ -x "$(command -v bat)" ] && alias cat="bat"

zsh/.config/zsh/zsh-exports

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 HISTSIZE=1000000
 
@@ -9,3 +9,5 @@ export HISTFILE="$ZDOTDIR"/.zsh_history
 export EDITOR="micro"
 export PAGE="bat"
 export VISUAL="micro"
+
+export STARSHIP_CONFIG="$XDG_CONFIG_HOME"/starship/starship.toml

zsh/.config/zsh/zsh-prompt

@@ -1,9 +1,3 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
-STARSHIP_HOME=$HOME/.config/starship
-[ ! -d "$STARSHIP_HOME" ] && mkdir -p "$STARSHIP_HOME"
-[ ! -f "$STARSHIP_HOME/starship.toml" ] && touch "$STARSHIP_HOME/starship.toml"
-
-export STARSHIP_CONFIG="$STARSHIP_HOME"/starship.toml
-
-eval "$(starship init zsh)"
+command -v starship > /dev/null 2>&1 && eval "$(starship init zsh)"