generate Cartfile using the local path

Author: ekurutepe

build.sh

@@ -48,7 +48,10 @@ if [ "$MODE" = "examples" ]; then
               build
         elif [ -f "${example}/Cartfile" ]; then
           echo "Using Carthage"
+          local_repo=`pwd`
           cd $example
+          
+          echo "git \"file://${local_repo}\" \"master\"" > "Cartfile"
           carthage update --platform iOS
 
           xctool \

examples/CarthageBuildTest/Cartfile

@@ -1 +1 @@
-github "facebook/AsyncDisplayKit" "master"
+git "file:///build.sh/will/put/local/absolute/path/here" "master"