refactor(michelebologna): simplify and clean up code

themes/michelebologna.zsh-theme

@@ -35,23 +35,17 @@ local reset="%{$reset_color%}"
 local -a color_array
 color_array=($green $red $cyan $yellow $blue $magenta $white)
 
-local username_normal_color=$white
-local username_root_color=$red
-local hostname_root_color=$red
-
-# calculating hostname color with hostname characters
-for i in $HOST; local hostname_normal_color=$color_array[$[((#i))%7+1]]
-local -a hostname_color
-hostname_color=%(!.$hostname_root_color.$hostname_normal_color)
-
+local username_color=$white
+local hostname_color=$color_array[$[((#HOST))%7+1]] # choose hostname color based on first character
 local current_dir_color=$blue
-local username_command="%n"
-local hostname_command="%m"
+
+local username="%n"
+local hostname="%m"
 local current_dir="%~"
 
-local username_output="%(!..$username_normal_color$username_command$reset@)"
-local hostname_output="$hostname_color$hostname_command$reset"
-local current_dir_output="$current_dir_color$current_dir$reset"
+local username_output="%(!..${username_color}${username}${reset}@)"
+local hostname_output="${hostname_color}${hostname}${reset}"
+local current_dir_output="${current_dir_color}${current_dir}${reset}"
 local jobs_bg="${red}fg: %j$reset"
 local last_command_output="%(?.%(!.$red.$green).$yellow)"
 
@@ -68,8 +62,18 @@ ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE=">"
 ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE="<"
 ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE="$red<>"
 
-PROMPT='$username_output$hostname_output:$current_dir_output%1(j. [$jobs_bg].)'
-GIT_PROMPT='$(out=$(git_prompt_info)$(git_prompt_status)$(git_remote_status);if [[ -n $out ]]; then printf %s " $white($green$out$white)$reset";fi)'
-PROMPT+="$GIT_PROMPT"
+function michelebologna_git_prompt {
+  local out=$(git_prompt_info)$(git_prompt_status)$(git_remote_status)
+  [[ -n $out ]] || return
+  printf " %s(%s%s%s)%s" \
+    "%{$fg_bold[white]%}" \
+    "%{$fg_bold[green]%}" \
+    "$out" \
+    "%{$fg_bold[white]%}" \
+    "%{$reset_color%}"
+}
+
+PROMPT="$username_output$hostname_output:$current_dir_output%1(j. [$jobs_bg].)"
+PROMPT+='$(michelebologna_git_prompt)'
 PROMPT+=" $last_command_output%#$reset "
 RPROMPT=''