Add an architecture suffix to images pushed for multi-platform

In order to reduce the likelihood of users accidentally forgetting to
specify unique tags for each architecture, we can add a suffix to the
pushed image if an arch-specific one doesn't exist.

Signed-off-by: arewm <[email protected]>

task/buildah-oci-ta/0.2/buildah-oci-ta.yaml

@@ -537,7 +537,6 @@ spec:
       workingDir: /var/workdir
       volumeMounts:
         - mountPath: /var/lib/containers
-          name: varlibcontainers
         - mountPath: /mnt/trusted-ca
           name: trusted-ca
           readOnly: true
@@ -588,6 +587,7 @@ spec:
           echo -n "${IMAGE}@"
           cat "/var/workdir/image-digest"
         } >"$(results.IMAGE_REF.path)"
+        cp "$(results.IMAGE_REF.path)" /shared/image_ref
 
         # Remove tag from IMAGE while allowing registry to contain a port number.
         sbom_repo="${IMAGE%:*}"

task/buildah-remote-oci-ta/0.2/buildah-remote-oci-ta.yaml

@@ -683,6 +683,7 @@ spec:
         echo -n "${IMAGE}@"
         cat "/var/workdir/image-digest"
       } >"$(results.IMAGE_REF.path)"
+      cp "$(results.IMAGE_REF.path)" /shared/image_ref
 
       # Remove tag from IMAGE while allowing registry to contain a port number.
       sbom_repo="${IMAGE%:*}"

task/buildah-remote/0.2/buildah-remote.yaml

@@ -665,6 +665,7 @@ spec:
         echo -n "${IMAGE}@"
         cat "$(workspaces.source.path)/image-digest"
       } > "$(results.IMAGE_REF.path)"
+      cp "$(results.IMAGE_REF.path)" /shared/image_ref
 
       # Remove tag from IMAGE while allowing registry to contain a port number.
       sbom_repo="${IMAGE%:*}"

task/buildah/0.2/buildah.yaml

@@ -534,6 +534,7 @@ spec:
         echo -n "${IMAGE}@"
         cat "$(workspaces.source.path)/image-digest"
       } > "$(results.IMAGE_REF.path)"
+      cp "$(results.IMAGE_REF.path)" /shared/image_ref
 
       # Remove tag from IMAGE while allowing registry to contain a port number.
       sbom_repo="${IMAGE%:*}"