$ git clone -n https://src.fedoraproject.org/rpms/amanith.git /var/lib/mock/f41-build-1026870-18267/root/chroot_tmpdir/scmroot/amanith
Cloning into '/var/lib/mock/f41-build-1026870-18267/root/chroot_tmpdir/scmroot/amanith'...
$ git fetch origin 6d47a550c13611f8f7124f35e9ea8215bddcd473:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/amanith
 * [new ref]         6d47a550c13611f8f7124f35e9ea8215bddcd473 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d47a55 Eliminate use of obsolete %patchN syntax (#2283636)