$ git clone -n https://src.fedoraproject.org/rpms/koko.git /var/lib/mock/f40-build-2227504-53026/root/chroot_tmpdir/scmroot/koko
Cloning into '/var/lib/mock/f40-build-2227504-53026/root/chroot_tmpdir/scmroot/koko'...
$ git fetch origin 4d8a3159f0300459eae4e82fbbba5aec0f366920:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koko
 * [new ref]         4d8a3159f0300459eae4e82fbbba5aec0f366920 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  83% (5/6)
Updating files: 100% (6/6)
Updating files: 100% (6/6), done.
HEAD is now at 4d8a315 24.01.85