$ git clone -n https://src.fedoraproject.org/rpms/gobuster.git /var/lib/mock/f42-build-866289-173809/root/chroot_tmpdir/scmroot/gobuster
Cloning into '/var/lib/mock/f42-build-866289-173809/root/chroot_tmpdir/scmroot/gobuster'...
$ git fetch origin 3abd8f8a6b24988fa2ffbd251d9405da54a32028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gobuster
 * [new ref]         3abd8f8a6b24988fa2ffbd251d9405da54a32028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3abd8f8 Update to latest upstream release (closes rhbz#2133290)