$ git clone -n https://src.fedoraproject.org/rpms/git-lfs.git /var/lib/mock/f39-build-1777706-41529/root/chroot_tmpdir/scmroot/git-lfs
Cloning into '/var/lib/mock/f39-build-1777706-41529/root/chroot_tmpdir/scmroot/git-lfs'...
$ git fetch origin 3c53fac122cb2d51851a721f2b52a17b988a2935:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-lfs
 * [new ref]         3c53fac122cb2d51851a721f2b52a17b988a2935 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c53fac Update to latest version (#2226881)