$ git clone -n https://src.fedoraproject.org/rpms/urlview.git /var/lib/mock/f41-build-1033679-18591/root/chroot_tmpdir/scmroot/urlview
Cloning into '/var/lib/mock/f41-build-1033679-18591/root/chroot_tmpdir/scmroot/urlview'...
$ git fetch origin d0b8e6604beec9fc122513e00a529017e28ebb2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/urlview
 * [new ref]         d0b8e6604beec9fc122513e00a529017e28ebb2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0b8e66 Eliminate use of obsolete %patchN syntax (#2283636)