Make scripts executable

Author: jovial

elements/rocky-container-generic/install.d/00-00-reinstall-core.sh

@@ -0,0 +1,9 @@
+if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+# RUN this after DIB_DISTRIBUTION_MIRROR has been set up. It installs a
+# load of missing packages from the container image
+dnf install -y @core --allowerasing