tests: Add kitkat sync test

* Create a simple script to test fetching of a repo.
* Very useful for testing local git mirrors.

tests/sync-kitkat.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+#
+# Test script file that maps itself into a docker container and runs
+#
+# Example invocation:
+#
+# $ AOSP_VOL=$PWD/build ./sync-kitkat.sh
+#
+set -ex
+
+if [ "$1" = "docker" ]; then
+    TEST_BRANCH=${TEST_BRANCH:-android-4.4.4_r2.0.1}
+    TEST_URL=${TEST_URL:-https://android.googlesource.com/platform/manifest}
+
+    repo init --depth 1 -u "$TEST_URL" -b "$TEST_BRANCH"
+
+    # Use default sync '-j' value embedded in manifest file to be polite
+    repo sync
+    retval=$?
+
+    echo "repo sync returned: $retval"
+    exit $retval
+else
+    aosp_url="https://raw.githubusercontent.com/kylemanna/docker-aosp/master/utils/aosp"
+    args="run.sh docker"
+    export AOSP_EXTRA_ARGS="-v $(cd $(dirname $0) && pwd -P)/$(basename $0):/usr/local/bin/run.sh:ro"
+    export AOSP_VOL=/vol1
+    export AOSP_IMAGE=aosp
+
+    [ -n "$TEST_URL" ] && AOSP_EXTRA_ARGS+=" -e TEST_URL=$TEST_URL"
+    [ -n "$TEST_BRANCH" ] && AOSP_EXTRA_ARGS+=" -e TEST_BRANCH=$TEST_BRANCHcY"
+
+    #
+    # Try to invoke the aosp wrapper with the following priority:
+    #
+    # 1. If AOSP_BIN is set, use that
+    # 2. If aosp is found in the shell $PATH
+    # 3. Grab it from the web
+    #
+    if [ -n "$AOSP_BIN" ]; then
+        $AOSP_BIN $args
+    elif [ -x "../utils/aosp" ]; then
+        ../utils/aosp $args
+    elif [ -n "$(type -P aosp)" ]; then
+        aosp $args
+    else
+        if [ -n "$(type -P curl)" ]; then
+            bash <(curl -s $aosp_url) $args
+        elif [ -n "$(type -P wget)" ]; then
+            bash <(wget -q $aosp_url -O -) $args
+        else
+            echo "Unable to run the aosp binary"
+        fi
+    fi
+fi