also set $EESSI_VERSION_OVERRIDE for create_lmodsitepackage.py tests

Author: boegel

.github/workflows/tests_scripts.yml

@@ -131,6 +131,9 @@ jobs:
 
           chmod u+x ${test_script}
 
+          # make sure that correct EESSI version is used (required because default is a placeholder version)
+          export EESSI_VERSION_OVERRIDE="${{matrix.EESSI_VERSION}}"
+
           out="${PWD}/test_create_lmodsitepackage.out"
           ./eessi_container.sh --mode run --verbose /software-layer-scripts/run_in_compat_layer_env.sh /software-layer-scripts/test_lmod_sitepackage.sh 2>&1 | tee ${out}
           for pattern in "^Site Pkg location.*/software-layer-scripts/.lmod/SitePackage.lua" "LMOD_SITEPACKAGE_LOCATION.*/software-layer-scripts/.lmod/SitePackage.lua"; do

bot/build.sh

@@ -287,6 +287,22 @@ if [[ ! -z ${SHARED_FS_PATH} ]]; then
     BUILD_STEP_ARGS+=("--host-injections" "${SHARED_FS_PATH}/host-injections")
 fi
 
+# opt-in to use unionfs overlay tool and debian12 container for EESSI version 2025.06
+if [[ "${EESSI_VERSION_OVERRIDE} == "2025.06" ]]; then
+    BUILD_STEP_ARGS+=("--container" "docker://ghcr.io/eessi/build-node:debian12")
+    BUILD_STEP_ARGS+=("--overlay-tool" "unionfs")
+fi
+
+# allow specifying which container image to use via $EESSI_CONTAINER_IMAGE
+if [[ ! -z "${EESSI_CONTAINER_IMAGE}" ]]; then
+    BUILD_STEP_ARGS+=("--container" "docker://ghcr.io/eessi/${EESSI_CONTAINER_IMAGE}")
+fi
+
+# allow specifying which overlay tool to use via $EESSI_OVERLAY_TOOL
+if [[ ! -z "${EESSI_OVERLAY_TOOL}" ]]; then
+    BUILD_STEP_ARGS+=("--overlay-tool" "${EESSI_OVERLAY_TOOL}")
+fi
+
 # create tmp file for output of build step
 build_outerr=$(mktemp build.outerr.XXXX)