$ git clone -n https://src.fedoraproject.org/rpms/xed.git /var/lib/mock/f41-build-side-1-2892716-34598/root/chroot_tmpdir/scmroot/xed
Cloning into '/var/lib/mock/f41-build-side-1-2892716-34598/root/chroot_tmpdir/scmroot/xed'...
$ git fetch origin cf01a2d4d9c637291e2d4b9a4287334ab37481f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xed
 * [new ref]         cf01a2d4d9c637291e2d4b9a4287334ab37481f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf01a2d Rebuild against gspell