Add and streamline comments for prompt variables

[ax-zsh.git] / themes / axemoji.axzshtheme

diff --git a/themes/axemoji.axzshtheme b/themes/axemoji.axzshtheme
index eeb05f16ea994cd311d30bc1d1a3576fd07d240e..4a54a6ddc600b5ddbd9c5d8f7af4bef4e3449d35 100644 (file)
--- a/themes/axemoji.axzshtheme
+++ b/themes/axemoji.axzshtheme
@@ -4,11 +4,7 @@
 ZSH_THEME_PROMPT_PREFIX_SPACING=" "
 ZSH_THEME_PROMPT_SUFFIX_SPACING=" "
 
-enable_emoji=1
-
-[[ "$TERM_PROGRAM" = "Hyper" ]] && unset enable_emoji
-
-if [[ -n "$enable_emoji" ]] && axzsh_is_utf_terminal; then
+if axzsh_is_widechar_terminal; then
        # UTF8 capable terminal:
        if [[ -r "$HOME/.system_emoji-$SHORT_HOST" ]]; then
                system_emoji=$(<"$HOME/.system_emoji-$SHORT_HOST")
@@ -24,16 +20,23 @@ if [[ -n "$enable_emoji" ]] && axzsh_is_utf_terminal; then
        ZSH_THEME_VCS_PROMPT_CLEAN="👌$emoji_spacing"
        ZSH_THEME_VCS_PROMPT_DIRTY="👻$emoji_spacing"
 
-       # Prompt on right side
+       # Primary prompt on the right-hand side.
        RPS1="%(?..%{$fg_no_bold[red]%}❌$emoji_spacing%? ↵%{$reset_color%})"
 else
        # Non-UTF8 or incompatible terminal
        system_emoji=">"
        emoji_spacing=""
 
+       # Primary prompt on the right-hand side.
        RPS1="%(?..%{$fg_no_bold[red]%}<%?>%{$reset_color%})"
 fi
 
+# The primary prompt string, printed before a command is read.
 PS1="${system_emoji}${emoji_spacing} $(ax_logname_prompt_yn)$(ax_hostname_prompt_yn)%B%2~%b"'$(ax_vcs_prompt)'"$(ax_prompt)"
 
-unset enable_emoji system_emoji emoji_spacing
+# Default execution trace prompt.
+PS4="$fg_no_bold[yellow]->$reset_color "
+# This prompt is compatible with sh(1) and bash(1), too, so export it!
+export PS4
+
+unset system_emoji emoji_spacing