thodg/libgit2

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a882a1c..9c58e87 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,9 +31,7 @@ jobs:
     - name: Calculate image label
       run: |
         echo "::set-env name=docker-container::${{ github.repository }}/${{ matrix.container.name }}"
-        echo "::set-env name=docker-container-url::${{ env.docker-registry }}/${{ env.docker-container }}"
-        echo "::set-env name=docker-sha-tag::test3-$(git log -1 --pretty=format:"%h" -- ${{ env.docker-config-path }})"
-    - run: echo ${{ env.docker-container-url }}
+        echo "::set-env name=docker-sha-tag::test4-$(git log -1 --pretty=format:"%h" -- ${{ env.docker-config-path }})"
     - name: Download existing image
       run: |
         docker login https://${{ env.docker-registry }} -u ${{ github.actor }} -p ${{ github.token }}