From 3b1cdbce9dac95e9a93c8acdfdf89a7c5bec565c Mon Sep 17 00:00:00 2001
From: 10sr <8slashes+git@gmail.com>
Date: Tue, 11 Nov 2014 11:36:05 +0900
Subject: [PATCH] Show prompt dollars accordiong to SHLVL

---
 shrc      | 15 ++++++++++++---
 tmux.conf |  1 +
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/shrc b/shrc
index 5a3cc5f..5ba34c5 100755
--- a/shrc
+++ b/shrc
@@ -637,7 +637,7 @@ memo(){
     else
         _memo="$1/memo.txt"
     fi
-        $EDITOR "$_memo"
+    $EDITOR "$_memo"
     if test -z "`cat "$_memo"`"
     then
         echo "$_memo is empty. Removing."
@@ -1193,6 +1193,15 @@ __my_ps1_jobs(){
     fi
 }
 
+__my_ps1_dollar(){
+    if test -z "$SHLVL"
+    then
+        printf "$1"
+    else
+        perl -e 'while($ARGV[0]-- > 0){print "$ARGV[1]";}' $SHLVL "$1"
+    fi
+}
+
 __my_alert_fail(){
     test $laststatus -eq 0 || \
         echo "STATUS:${laststatus}"
@@ -1322,13 +1331,13 @@ if $inzsh
 then
     PROMPT="\
 ${__my_ps1_beg}[${__my_c2}%n@%M${__my_cdef}:${__my_c1}%~/${__my_cdef}]\$(__my_ps1_info1)
-${__my_ps1_beg}\$(__my_ps1_info2) %# "
+${__my_ps1_beg}\$(__my_ps1_info2) $(__my_ps1_dollar %#) "
     RPROMPT="%D{%Y/%m/%d %H:%M}"
 elif $inbash
 then
     PS1="\
 ${__my_ps1_beg}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_info1)\n\
-${__my_ps1_beg}\D{%Y/%m/%d %H:%M} \$(__my_ps1_info2)${__my_ps1_right} \$ "
+${__my_ps1_beg}\D{%Y/%m/%d %H:%M} \$(__my_ps1_info2)${__my_ps1_right} $(__my_ps1_dollar \\$) "
 else
     true
     # PS1="$(printf $(whoami)@$(hostname)$ )"
diff --git a/tmux.conf b/tmux.conf
index 9704cb5..86f777f 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -21,6 +21,7 @@ setw -g mode-mouse off
 #set -g default-command /bin/bash
 
 #set -g default-path "$HOME"
+set-environment -u SHLVL
 
 # try to set title of terminal tmux is running on
 # set -g set-titles off