Add runner-name build-arg

Signed-off-by: Chris Evich <chris_gitlab@icuc.me>

Containerfile

@@ -107,6 +107,7 @@ ENTRYPOINT ["/usr/local/bin/gitlab-runner-wrapper"]
 
 # Gitlab-runner configuration options.  Default to unprivileged (nested)
 # runner.  Privileged is required to permit nested container image building.
+ARG RUNNER_NAME="pipglr"
 ARG PRIVILEGED_RUNNER="false"
 # Tags allow pinning jobs to specific runners, comma-separated list of
 # tags to add to runner (no spaces!)
@@ -119,6 +120,7 @@ ENV REGISTER_NON_INTERACTIVE="true" \
     REGISTER_ACCESS_LEVEL="ref_protected" \
     REGISTER_MAXIMUM_TIMEOUT="3600" \
     CI_SERVER_URL="https://gitlab.com/" \
+    RUNNER_NAME="${RUNNER_NAME}" \
     RUNNER_EXECUTOR="docker" \
     RUNNER_SHELL="bash" \
     REGISTER_MAINTENANCE_NOTE="Podman-in-Podman containerized runner" \