twoliter: Make BUILDSYS_VERSION_IMAGE required

twoliter/embedded/Makefile.toml

@@ -22,7 +22,6 @@ BUILDSYS_VERSION_BUILD = { script = ["git describe --always --dirty --exclude '*
 # later in this section.  You have to edit the path here in Makefile.toml to
 # use a different Release.toml.
 BUILDSYS_RELEASE_CONFIG_PATH = "${BUILDSYS_ROOT_DIR}/Release.toml"
-
 # This can be overridden with -e to build a different variant from the variants/ directory
 BUILDSYS_VARIANT = { script = ['echo "${BUILDSYS_VARIANT:-aws-k8s-1.24}"'] }
 # Product name used for file and directory naming
@@ -137,8 +136,6 @@ TESTSYS_LOG_LEVEL = "info"
 # Certain variables are defined here to allow us to override a component value
 # on the command line.
 
-BUILDSYS_VERSION_IMAGE = { script = ["awk -F '[ =\"]+' '$1 == \"version\" {print $2}' ${BUILDSYS_RELEASE_CONFIG_PATH}"], condition = { env_not_set = ["BUILDSYS_VERSION_IMAGE"]}}
-
 # Depends on ${BUILDSYS_JOBS}.
 CARGO_MAKE_CARGO_LIMIT_JOBS = "--jobs ${BUILDSYS_JOBS}"
 CARGO_MAKE_CARGO_ARGS = "--offline --locked"
@@ -265,6 +262,13 @@ if [[ -z "${TLPRIVATE_SDK_IMAGE}" || -z "{TLPRIVATE_TOOLCHAIN}" ]];then
    exit 1
 fi
 
+# Ensure BUILDSYS_VERSION_IMAGE is set
+if [[ -z "${BUILDSYS_VERSION_IMAGE}" ]];then
+   echo "BUILDSYS_VERSION_IMAGE must be defined and must be non-zero in length."
+   echo "Are you using Twoliter? It is a bug if Twoliter has invoked cargo make without this."
+   exit 1
+fi
+
 mkdir -p ${BUILDSYS_BUILD_DIR}
 mkdir -p ${BUILDSYS_OUTPUT_DIR}
 mkdir -p ${BUILDSYS_PACKAGES_DIR}