change the zsh prompt to only overwrite PS1 if it's the default

diff --git a/.zsh.d/S03_prompt b/.zsh.d/S03_prompt
index cf3abe32df2db443988501c74278e42a725815f9..407030572014be6d51b129ad68e03659bad1b914 100644 (file)
--- a/.zsh.d/S03_prompt
+++ b/.zsh.d/S03_prompt
@@ -17,8 +17,6 @@ precmd() {
   [[ -n $vcs_info_msg_0_ ]] && psvar[1]="$vcs_info_msg_0_"
 }
 
-PS1="%m:%(1v.%F{red}%1v%f:.)%~%# "
-
-: ${RPS1:="#%(0?..%?,)%!"}
+[[ "${PS1:-}" = '%m%# ' ]] && PS1="%m:%(1v.%F{red}%1v%f:.)%~%# "
 
 # vim:ft=zsh