update steeef prompt

modules/prompt/themes/steeef.zsh-theme

@@ -10,7 +10,7 @@
 export VIRTUAL_ENV_DISABLE_PROMPT=1
 
 function virtualenv_info {
-    [ $VIRTUAL_ENV ] && print '('%F{blue}`basename $VIRTUAL_ENV`%f') '
+    [ $VIRTUAL_ENV ] && print '('${fg[blue]}`basename $VIRTUAL_ENV`%{${reset_color}%}') '
 }
 PR_GIT_UPDATE=1
 
@@ -18,20 +18,21 @@ setopt prompt_subst
 
 autoload -Uz add-zsh-hook
 autoload -Uz vcs_info
+autoload -Uz colors && colors
 
 #use extended color pallete if available
-if [[ $terminfo[colors] -ge 256 ]]; then
+if [[ ${TERM} == *256* || ${TERM} == *rxvt* ]]; then
     turquoise="%F{81}"
     orange="%F{166}"
     purple="%F{135}"
     hotpink="%F{161}"
     limegreen="%F{118}"
 else
-    turquoise="%F{cyan}"
-    orange="%F{yellow}"
-    purple="%F{magenta}"
-    hotpink="%F{red}"
-    limegreen="%F{green}"
+    turquoise="$fg[cyan]"
+    orange="$fg[yellow]"
+    purple="$fg[magenta]"
+    hotpink="$fg[red]"
+    limegreen="$fg[green]"
 fi
 
 # enable VCS systems you use
@@ -48,7 +49,7 @@ zstyle ':vcs_info:*:prompt:*' check-for-changes true
 # %a - action (e.g. rebase-i)
 # %R - repository path
 # %S - path in the repository
-PR_RST="%f"
+PR_RST="%{${reset_color}%}"
 FMT_BRANCH="(%{$turquoise%}%b%u%c${PR_RST})"
 FMT_ACTION="(%{$limegreen%}%a${PR_RST})"
 FMT_UNSTAGED="%{$orange%}●"
@@ -96,5 +97,5 @@ function steeef_precmd {
 add-zsh-hook precmd steeef_precmd
 
 PROMPT=$'
-%{$purple%}%n${PR_RST} at %{$orange%}%m${PR_RST} in %{$limegreen%}%~${PR_RST} $vcs_info_msg_0_$(virtualenv_info)
+%{$purple%}%n${${reset_color}%} at %{$orange%}%m${${reset_color}%} in %{$limegreen%}%~${${reset_color}%} $vcs_info_msg_0_$(virtualenv_info)%{${reset_color}%}
 $ '