tag Docker images with the corresponding version number

build-docker.sh

@@ -2,6 +2,11 @@
 
 set -eu
 
+version=$( git describe --match v* --abbrev=0 )
+imagename=stowtest
+image=$imagename:$version
+
 pushd docker
-docker build -t stowtest .
+echo "Building Docker image $image ..."
+docker build -t $image .
 popd

test-docker.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
 
-# Run the docker image that test.
+# Test Stow across multiple Perl versions, by executing the
-docker run --rm -it -v $(pwd):$(pwd) -w $(pwd) stowtest
+# Docker image built via build-docker.sh.
+
+version=$( git describe --match v* --abbrev=0 )
+
+docker run --rm -it -v $(pwd):$(pwd) -w $(pwd) stowtest:$version