$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-amdgpu.git /var/lib/mock/f45-build-38998-731/root/chroot_tmpdir/scmroot/xorg-x11-drv-amdgpu
Cloning into '/var/lib/mock/f45-build-38998-731/root/chroot_tmpdir/scmroot/xorg-x11-drv-amdgpu'...
$ git fetch origin aad8f21336be581e0864a758b140480350de68a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xorg-x11-drv-amdgpu
 * [new ref]         aad8f21336be581e0864a758b140480350de68a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aad8f21 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild