$ git clone -n https://src.fedoraproject.org/rpms/libmtp.git /var/lib/mock/f41-build-877622-16351/root/chroot_tmpdir/scmroot/libmtp
Cloning into '/var/lib/mock/f41-build-877622-16351/root/chroot_tmpdir/scmroot/libmtp'...
$ git fetch origin 1356aa8a5cf0f3cb8be70030c1cba518d114ce1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmtp
 * [new ref]         1356aa8a5cf0f3cb8be70030c1cba518d114ce1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1356aa8 Eliminate use of obsolete %patchN syntax (#2283636)