$ git clone -n https://src.fedoraproject.org/rpms/makebootfat.git /var/lib/mock/f41-build-1022312-18064/root/chroot_tmpdir/scmroot/makebootfat
Cloning into '/var/lib/mock/f41-build-1022312-18064/root/chroot_tmpdir/scmroot/makebootfat'...
$ git fetch origin 08d2f6bd1e27607253487ba4cce1e789824e2c60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/makebootfat
 * [new ref]         08d2f6bd1e27607253487ba4cce1e789824e2c60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08d2f6b Eliminate use of obsolete %patchN syntax (#2283636)