Added git_branch() and git_customer_branch()

git_helpers

@@ -57,6 +57,18 @@ revert_to_commit_before_pull () {
 }
 # revert_to_commit_before_pull
 
+git_branch () {
+    # always relative to a git repository
+    echo $(git branch -a | grep '*' | awk '{ print $2 }')
+}
+
+git_customer_branch () {
+    if cd_customer_repository; then
+        customer_branch=$(git_branch)
+        cd_home;
+        echo $customer_branch
+    fi
+}
 # clone the customer repository in ./workspace.
 # this is done only once.
 #