$ git clone -n https://src.fedoraproject.org/rpms/golang-github-grpc-ecosystem-prometheus.git /var/lib/mock/f41-build-side-1-2878431-34443/root/chroot_tmpdir/scmroot/golang-github-grpc-ecosystem-prometheus
Cloning into '/var/lib/mock/f41-build-side-1-2878431-34443/root/chroot_tmpdir/scmroot/golang-github-grpc-ecosystem-prometheus'...
$ git fetch origin 1a0be778bff3ed20c1ba69623e46734d2dacf461:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-grpc-ecosystem-prometheus
 * [new ref]         1a0be778bff3ed20c1ba69623e46734d2dacf461 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a0be77 convert ASL 2.0 license to SPDX