Reworked zsh

zshrc

@@ -4,8 +4,11 @@ zstyle ':completion:*' completer _expand _complete _ignored _approximate
 zstyle ':completion:*' matcher-list 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}' 'm:{[:lower:]}={[:upper:]}' 'r:|[._-_]=** r:|=**' ''
 zstyle :compinstall filename '/Users/sidharta/.zshrc'
 
-autoload -Uz compinit -D
+autoload -Uz compinit -D && compinit
-compinit
+autoload -U promptinit && promptinit
+autoload -U colors && colors
+autoload -Uz VCS_INFO_get_data_git && VCS_INFO_get_data_git 2> /dev/null
+setopt prompt_subst
 # End of lines added by compinstall
 # Lines configured by zsh-newuser-install
 HISTFILE=~/.zsh_history
@@ -30,6 +33,9 @@ alias pupgrade3="python3.4 ~/.pip-upgrade 3"
 alias pupgrade="pupgrade2 && pupgrade3"
 alias cupgrade="cabal update; cabal list --simple-output --installed | awk '{print $1}' | uniq | xargs -I {} cabal install {} --reinstall"
 alias ghci="ghci -v0"
+alias ghc-sandbox="ghc -no-user-package-db -package-db .cabal-sandbox/*-packages.conf.d"
+alias ghci-sandbox="ghci -no-user-package-db -package-db .cabal-sandbox/*-packages.conf.d"
+alias runhaskell-sandbox="runhaskell -no-user-package-db -package-db .cabal-sandbox/*-packages.conf.d"
 alias psg="ps aux | grep -v grep | grep -i -e VSZ -e"
 alias qmake="/usr/local/Cellar/qt5/5.3.2/bin/qmake"
 alias lupdate="/usr/local/Cellar/qt5/5.3.2/bin/lupdate"
@@ -61,7 +67,7 @@ alias tmv="tmux split-window"
 alias tmh="tmux split-window -h"
 alias tms="tmux select-pane -t"
 alias tmk="killall tmux; tmux"
-PROMPT="[%{$fg[red]%}%n%{$reset_color%}@%{$fg[blue]%}%m %{$fg_no_bold[yellow]%}%1~%{$reset_color%}]\$"
+PROMPT="%{$fg[green]%}<%{$fg[red]%}%n%{$reset_color%}@%{$fg[green]%}%m%{$fg[green]%}>%{$reset_color%} "
 
 expand-or-complete-with-dots(){
     echo -n "e[31m.....\e[0m"
@@ -91,6 +97,48 @@ case $TERM in
         } ;;
     esac
 
+function rprompt-git-current-branch {
+    local name st color gitdir action
+    if [[ "$PWD" =~ '/\.git(/.*)?$' ]]; then
+        return
+    fi
+    name=`git rev-parse --abbrev-ref=loose HEAD 2> /dev/null`
+    if [[ -z $name ]]; then
+        return
+    fi
+ 
+    gitdir=`git rev-parse --git-dir 2> /dev/null`
+    action=`VCS_INFO_git_getaction "$gitdir"` && action="($action)"
+ 
+    st=`git status 2> /dev/null`
+    if [[ -n `echo "$st" | grep "^nothing to"` ]]; then
+        color=%F{green}
+    elif [[ -n `echo "$st" | grep "^no changes added"` ]]; then
+        color=%F{yellow}
+    elif [[ -n `echo "$st" | grep "^# Changes to be committed"` ]]; then
+        color=%B%F{red}
+    else
+        color=%F{red}
+    fi
+ 
+    echo "$color$name$action%f%b "
+}
+
+function cabal_sandbox_info() {
+    cabal_files=(*.cabal(N))
+    if [ $#cabal_files -gt 0 ]; then
+        if [ -f cabal.sandbox.config ]; then
+            echo "%{$fg[green]%}sandboxed%{$reset_color%}"
+        else
+            echo "%{$fg[red]%}not sandboxed%{$reset_color%}"
+        fi
+    fi
+}
+ 
+RPROMPT='`rprompt-git-current-branch`'
+RPROMPT+="%{$fg[yellow]%}%~%{$reset_color%}"
+RPROMPT+=' `cabal_sandbox_info`'
+
 extract(){
 	if [ -f $1 ] ; then
 		case $1 in