$ git clone -n https://src.fedoraproject.org/rpms/golang-github-grpc-ecosystem-gateway.git /var/lib/mock/f38-build-side-42-init-devel-569103-25905/root/chroot_tmpdir/scmroot/golang-github-grpc-ecosystem-gateway
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-569103-25905/root/chroot_tmpdir/scmroot/golang-github-grpc-ecosystem-gateway'...
$ git fetch origin 2434497e00509cd2ffa80c169afbfb95d1dea244:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-grpc-ecosystem-gateway
 * [new ref]         2434497e00509cd2ffa80c169afbfb95d1dea244 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2434497 Bump to 26318a510414ca4d63a664faab34ec717e77d97b