$ git clone -n https://src.fedoraproject.org/rpms/Agda-stdlib.git /var/lib/mock/f40-build-2250355-54047/root/chroot_tmpdir/scmroot/Agda-stdlib
Cloning into '/var/lib/mock/f40-build-2250355-54047/root/chroot_tmpdir/scmroot/Agda-stdlib'...
$ git fetch origin 2ec84682504ecfd0e8e70db3c6085ffcd509355f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Agda-stdlib
 * [new ref]         2ec84682504ecfd0e8e70db3c6085ffcd509355f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ec8468 bump for Agda-2.6.4.1