tweaked bash_profile to show more information about git repos

bash/bash_profile

@@ -1,17 +1,69 @@
 WHITE="\[\033[00m\]"
 BLACK="\[\033[01;30m\]"
 RED="\[\033[0;31m\]"
+LIGHT_RED="\[\033[1;31m\]"
 GREEN="\[\033[0;32m\]"
+LIGHT_GREEN="\[\033[1;32m\]"
 YELLOW="\[\033[0;33m\]"
 BLUE="\[\033[0;34m\]"
 PURPLE="\[\033[0;35m\]"
 CYAN="\[\033[0;36m\]"
+LIGHT_GRAY="\[\033[0;37m\]"
 
 function parse_git_branch {
-	    ref=$(git-symbolic-ref HEAD 2> /dev/null) || return
+	git rev-parse --git-dir > /dev/null 2>&1
-		    echo "("${ref#refs/heads/}")"
+    if [ $? -eq 0 ]; then
+        git_status="$(git status 2> /dev/null)"
+        branch_pattern="^# On branch ([^${IFS}]*)"
+        detached_branch_pattern="# Not currently on any branch"
+        remote_pattern="# Your branch is (.*) of"
+        diverge_pattern="# Your branch and (.*) have diverged"
+        untracked_pattern="# Untracked files:"
+        new_pattern="new file:"
+        not_staged_pattern="Changes not staged for commit"
+         
+        #files not staged for commit
+        if [[ ${git_status}} =~ ${not_staged_pattern} ]]; then
+            state="✔"
+        fi
+        # add an else if or two here if you want to get more specific
+        # show if we're ahead or behind HEAD
+        if [[ ${git_status} =~ ${remote_pattern} ]]; then
+            if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
+                remote="↑"
+            else
+                remote="↓"
+            fi 
+        fi 
+        #new files
+        if [[ ${git_status} =~ ${new_pattern} ]]; then
+            remote="+"
+        fi
+        #untracked files
+        if [[ ${git_status} =~ ${untracked_pattern} ]]; then
+            remote="✖"
+        fi
+        #diverged branch
+        if [[ ${git_status} =~ ${diverge_pattern} ]]; then
+            remote="↕"
+        fi
+        #branch name
+		if [[ ${git_status} =~ ${branch_pattern} ]]; then
+            branch=${BASH_REMATCH[1]}
+        #detached branch
+        elif [[ ${git_status} =~ ${detached_branch_pattern} ]]; then
+            branch="NO BRANCH"
+        fi
+
+        echo " ( ${branch} ${state}${remote})"
+    fi
+    return
 }
 
+if [ -f `brew --prefix`/etc/bash_completion ]; then
+	. `brew --prefix`/etc/bash_completion
+fi
+
 export TERM="xterm-color"
 alias ls="ls -G"
 export PS1="$PURPLE\u@\h$WHITE:$BLUE\w$YELLOW\$(parse_git_branch)$WHITE\$ "