enhance verbosity for Dockerfile.fedora

Author: pvalena

Diff for: 3.3/Dockerfile.fedora

@@ -30,9 +30,11 @@ LABEL summary="$SUMMARY" \
       maintainer="SoftwareCollections.org <[email protected]>"
 
 # Install required packages
-RUN INSTALL_PKGS="ruby ruby-devel rubygem-bundler ruby-bundled-gems rubygem-rake rubygems-devel redhat-rpm-config libffi-devel" && \
+RUN set -x && \
+    INSTALL_PKGS="ruby ruby-devel rubygem-bundler ruby-bundled-gems rubygem-rake rubygems-devel redhat-rpm-config libffi-devel" && \
     dnf install -y --setopt=tsflags=nodocs $INSTALL_PKGS && \
     rpm -V $INSTALL_PKGS && \
+    ruby -v && \
     ruby -v | grep -qe "^ruby $RUBY_VERSION\." && echo "Found VERSION $RUBY_VERSION" && \
     dnf clean all