Fix Linux setup script

setup_env.sh

@@ -1,10 +1,75 @@
-#!/bin/bash
-
-git submodule init
-git submodule update
-android update project -p actionbarsherlock/library -n ActionBarSherlock
-android update lib-project -p owncloud-android-library
-android update project -p .
-android update project -p oc_jb_workaround
-cp third_party/android-support-library/android-support-v4.jar actionbarsherlock/library/libs/android-support-v4.jar 
-android update test-project -p tests -m ..
+#!/bin/bash -e
+
+
+#Repository
+ActionBarSherlockRepo="https://github.com/JakeWharton/ActionBarSherlock.git"
+
+#Directory for actionbarsherlock
+DIRECTORY="actionbarsherlock"
+
+#Commit for version 4.2 of actionbar sherlock
+COMMIT="90939dc3925ffaaa0de269bbbe1b35e274968ea1"
+
+
+function initDefault {
+    git submodule init
+    git submodule update
+    android update lib-project -p owncloud-android-library
+    android update project -p .
+    android update project -p oc_jb_workaround
+    android update test-project -p tests -m ..
+}
+
+function initForAnt {
+    #If the directory exists the script has already been executed
+    if [ ! -d "$DIRECTORY" ]; then
+
+        #Gets the owncloud-android-library
+        git submodule init
+        git submodule update
+
+        #Clones the actionbarsherlock and checks-out the right release (4.2.0)
+        git clone $ActionBarSherlockRepo $DIRECTORY
+        cd $DIRECTORY
+        git checkout $COMMIT
+        cd ../
+
+        #As default it updates the ant scripts
+        android update project -p "$DIRECTORY"/library -n ActionBarSherlock --target android-19
+        android update lib-project -p owncloud-android-library
+        android update project -p .
+        android update project -p oc_jb_workaround
+        cp third_party/android-support-library/android-support-v4.jar actionbarsherlock/library/libs/android-support-v4.jar
+        android update test-project -p tests -m ..
+    fi
+}
+
+#No args
+if [ $# -lt 1 ]; then
+        echo "No args found"
+        echo "Usage : $0 [gradle | maven | ant]"
+        exit
+fi
+
+#checking args
+case "$1" in
+
+    "ant")  
+        echo "Creating Ant environment"
+        initForAnt
+        ;;
+
+    "gradle")  echo  "Creating gradle environment"
+        initDefault
+        ;;
+
+    "maven")  echo  "Creating maven environment"
+        initDefault
+        ;;
+
+    *)  echo "Argument not recognized"
+        echo "Usage : $0 [gradle | maven | ant]"
+       ;;
+esac
+
+exit