Add fish config

config/fish/functions/fish_prompt.fish

@@ -0,0 +1,30 @@
+# vim: se ts=4:
+
+function fish_prompt --description 'Write out the prompt'
+	set -l last_status $status
+
+	if not set -q __fish_prompt_normal
+		set -g __fish_prompt_normal (set_color normal)
+	end
+
+	set_color $fish_color_hostname
+	echo -n (hostname -s)
+	set_color $fish_color_hostname_colon
+	echo -n :
+
+	# PWD
+	set_color $fish_color_cwd
+	echo -n (prompt_pwd)
+	echo -n $__fish_prompt_normal
+
+	echo -n (__fish_git_prompt)
+
+	set_color $fish_color_prompt
+	if [ $USER = root ]
+		echo -n '# '
+	else
+		echo -n '$ '
+	end
+
+	echo -n $__fish_prompt_normal
+end