$ git clone -n https://src.fedoraproject.org/rpms/ascii.git /var/lib/mock/f40-build-791129-137122/root/chroot_tmpdir/scmroot/ascii
Cloning into '/var/lib/mock/f40-build-791129-137122/root/chroot_tmpdir/scmroot/ascii'...
$ git fetch origin f9e0d70746658cbded2c3788eeb48c945ad0b39e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ascii
 * [new ref]         f9e0d70746658cbded2c3788eeb48c945ad0b39e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9e0d70 Updated to 3.20 version