$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-dav1d.git /var/lib/mock/f45-build-43755-805/root/chroot_tmpdir/scmroot/rust-gst-plugin-dav1d
Cloning into '/var/lib/mock/f45-build-43755-805/root/chroot_tmpdir/scmroot/rust-gst-plugin-dav1d'...
$ git fetch origin 6c367b8413391c369ef661a0397674042dd2590f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-dav1d
 * [new ref]         6c367b8413391c369ef661a0397674042dd2590f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c367b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild