add functions/vendor files

vendor/github.com/docker/distribution/contrib/docker-integration/run_multiversion.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+# Run the integration tests with multiple versions of the Docker engine
+
+set -e
+set -x
+
+DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+
+
+if [ "$TMPDIR" != "" ] && [ ! -d "$TMPDIR" ]; then
+	mkdir -p $TMPDIR
+fi
+
+cachedir=`mktemp -t -d golem-cache.XXXXXX`
+trap "rm -rf $cachedir" EXIT
+
+if [ "$1" == "-d" ]; then
+       # Drivers to use for Docker engines the tests are going to create.
+       STORAGE_DRIVER=${STORAGE_DRIVER:-overlay}
+
+       docker daemon --log-level=panic --storage-driver="$STORAGE_DRIVER" &
+       DOCKER_PID=$!
+
+       # Wait for it to become reachable.
+       tries=10
+       until docker version &> /dev/null; do
+               (( tries-- ))
+               if [ $tries -le 0 ]; then
+                       echo >&2 "error: daemon failed to start"
+                       exit 1
+               fi
+               sleep 1
+       done
+
+       trap "kill $DOCKER_PID" EXIT
+fi
+
+distimage=$(docker build -q $DIR/../..)
+fullversion=$(git describe --match 'v[0-9]*' --dirty='.m' --always)
+distversion=${fullversion:1}
+
+echo "Testing image $distimage with distribution version $distversion"
+
+# Pull needed images before invoking golem to get pull time
+# These images are defined in golem.conf
+time docker pull nginx:1.9
+time docker pull golang:1.6
+time docker pull registry:0.9.1
+time docker pull dmcgowan/token-server:simple
+time docker pull dmcgowan/token-server:oauth
+time docker pull distribution/golem-runner:0.1-bats
+
+time docker pull docker:1.9.1-dind
+time docker pull docker:1.10.3-dind
+time docker pull docker:1.11.1-dind
+
+golem -cache $cachedir \
+	-i "golem-distribution:latest,$distimage,$distversion" \
+	-i "golem-dind:latest,docker:1.9.1-dind,1.9.1" \
+	-i "golem-dind:latest,docker:1.10.3-dind,1.10.3" \
+	-i "golem-dind:latest,docker:1.11.1-dind,1.11.1" \
+	$DIR
+