Feat: change hostname color when ssh

functions/fish_prompt.fish

@@ -19,8 +19,12 @@ function fish_prompt --description 'Informative prompt'
       set -l git_root_basename (basename "$git_root")
       set cwd (string replace --regex "^$git_root" "($git_root_basename)" "$cwd")
     end
-    printf '[%s] %s%s@%s %s%s%s%s %s %s\n> ' (date "+%H:%M:%S") \
-      (set_color brblue) "$USER" (prompt_hostname) \
+    set -l hostname_color (set_color brblue)
+    if test -n $SSH_CLIENT
+      set hostname_color (set_color magenta)
+    end
+    printf '[%s] %s%s@%s%s %s%s%s%s %s %s\n> ' (date "+%H:%M:%S") \
+      (set_color brblue) "$USER" "$hostname_color" (prompt_hostname) \
       (set_color $fish_color_cwd) "$cwd" \
       (set_color yellow) "$(fish_git_prompt)" \
       "$pipestatus_string" \