extras/test-env: More changes for autobuild

- Fix build.sh to correctly check for DOCKER_TAG
- New tag matching regex for Docker hub
- Also tag built image latest
- Add post_push tag to push latest.

extras/test-env/build.sh

@@ -10,12 +10,12 @@ set -e
 # for which the image is being built.
 # Hub needs to have build with trigger settings as follows,
 #  Type: Tag
-#  Name: /^v4\.0dev\-[0-9.]+$/
-#  Docker tag name: {sourceref}
+#  Name: /^(v4\.0dev-[0-9]+)/
+#  Docker tag name: {\1}
 # This should trigger builds for new tags.
 
 # If not running in the hub environment set up the hub variables to use
-if [ "x${IMAGE_NAME}" = "x" -o "x${DOCKER_TAG}" ]; then
+if [ "x${IMAGE_NAME}" = "x" -o "x${DOCKER_TAG}" = "x" ]; then
   pkg_version="$(dirname $0)/../../scripts/pkg-version"
   # Doing it this way because pkg-version returns a dirty version when there
   # are commits beyond the latest tag
@@ -26,6 +26,11 @@ else
   GD2_VERSION=${DOCKER_TAG}
 fi
 
+# Build image
 docker build --build-arg=GD2_VERSION=$GD2_VERSION -t $IMAGE_NAME .
 
+# Tag as latest
+IMAGE_LATEST="$(echo $IMAGE_NAME | cut -f1 -d:):latest"
+docker tag $IMAGE_NAME $IMAGE_LATEST
+
 

extras/test-env/hooks/post_push

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+# Also push the latest tag
+LATEST="$(echo $IMAGE_NAME | cut -d: -f1):latest"
+docker push $LATEST