$ git clone -n https://src.fedoraproject.org/rpms/fmtools.git /var/lib/mock/f41-build-1199922-22404/root/chroot_tmpdir/scmroot/fmtools
Cloning into '/var/lib/mock/f41-build-1199922-22404/root/chroot_tmpdir/scmroot/fmtools'...
$ git fetch origin 1602abd2786c34a6f2ab1adfea32af83f4e6d551:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fmtools
 * [new ref]         1602abd2786c34a6f2ab1adfea32af83f4e6d551 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1602abd Eliminate use of obsolete %patchN syntax (#2283636)