test dockerfile list too

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

.github/workflows/build-matrices.yaml

@@ -59,6 +59,11 @@ jobs:
             fi
          done
          echo ${parsed}
+
+         # No parsed results will build ALL
+         if [[ "${parsed}" == "" ]]; then
+             parsed="/does/not/exist/pathy"
+         fi
          echo "::set-output name=parsed_files::${parsed}"
 
     - name: Generate Build Matrix
@@ -127,7 +132,7 @@ jobs:
       uses: actions/checkout@v2
 
     - name: GHCR Login
-      if: (github.event_name != 'schedule')
+      if: (github.event_name != 'pull_request')
       uses: docker/login-action@v1 
       with:
         registry: ghcr.io
@@ -175,7 +180,7 @@ jobs:
         echo ::set-output name=dockerfile_dir::${basedir}
 
     - name: Deploy Container
-      if: (github.event_name != 'schedule')
+      if: (github.event_name != 'pull_request')
       env:
         container: ${{ matrix.result.container_name }}
       run: |
@@ -186,7 +191,7 @@ jobs:
     - name: Run Librarian
       id: runner
       uses: rse-ops/librarian/docker-images@main
-      if: (github.event_name != 'schedule')
+      if: (github.event_name != 'pull_request')
       with:
           container: ${{ steps.builder.outputs.uri }} 
           dockerfile: ${{ steps.builder.outputs.dockerfile_dir }}

ubuntu/20.04/Dockerfile

@@ -1,6 +1,7 @@
 FROM ubuntu:20.04@sha256:669e010b58baf5beb2836b253c1fd5768333f0d1dbcb834f7c07a4dc93f474be
 
 LABEL maintainer="Chris White <white238@llnl.gov>,@vsoch"
+
 ARG uptodate_github_commit_spack__spack__develop=dcdf5022ad37daee7809245cfd68eed72fde6171
 ENV spack_commit=${uptodate_github_commit_spack__spack__develop}
 ENV DEBIAN_FRONTEND=noninteractive