$ git clone -n https://src.fedoraproject.org/rpms/seafile.git /var/lib/mock/f41-build-side-2-python-2713020-30508/root/chroot_tmpdir/scmroot/seafile
Cloning into '/var/lib/mock/f41-build-side-2-python-2713020-30508/root/chroot_tmpdir/scmroot/seafile'...
$ git fetch origin 4e29a7f9652273d60dbb50c1a05db8052031bd09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/seafile
 * [new ref]         4e29a7f9652273d60dbb50c1a05db8052031bd09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e29a7f Update to 9.0.7