diff --git a/tests/travis/before_script b/tests/travis/before_script
index dcf934ed..c3a62088 100755
--- a/tests/travis/before_script
+++ b/tests/travis/before_script
@@ -1,11 +1,30 @@
+#!/bin/sh
+
+### USAGE: before_script <base-folder> <travis-branch>
+
 BUILD_DIR=$1
 TRAVIS_BRANCH=$2
+
+# Fetch all dependencies
+# TODO Replace with different composer.json variations
+
+echo "Checking out installer@master"
 git clone --depth=100 --quiet git://github.com/silverstripe/silverstripe-installer.git $BUILD_DIR
+
+echo "Checking out sqlite3@master"
 git clone --depth=100 --quiet git://github.com/silverstripe-labs/silverstripe-sqlite3.git $BUILD_DIR/sqlite3
+
+echo "Checking out postgresql@master"
 git clone --depth=100 --quiet git://github.com/silverstripe/silverstripe-postgresql.git $BUILD_DIR/postgresql
+
+echo "Checking out sapphire@$TRAVIS_BRANCH"
 git clone --depth=100 --quiet -b $TRAVIS_BRANCH git://github.com/silverstripe/sapphire.git $BUILD_DIR/framework
+
+# Copy setup files
 cp $BUILD_DIR/framework/tests/travis/_ss_environment.php $BUILD_DIR
 cp $BUILD_DIR/framework/tests/travis/_config.php $BUILD_DIR/mysite
+
+# Copy actual project code into build directory (checked out by travis)
 cp -r . $BUILD_DIR/cms
 
 cd $BUILD_DIR