$ git clone -n https://src.fedoraproject.org/rpms/ocp.git /var/lib/mock/f38-build-side-42-init-devel-828341-28366/root/chroot_tmpdir/scmroot/ocp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-828341-28366/root/chroot_tmpdir/scmroot/ocp'...
$ git fetch origin 04fc63071bfe7824e936d7448eff1abfe161c66b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocp
 * [new ref]         04fc63071bfe7824e936d7448eff1abfe161c66b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04fc630 Make .otf conditional on f39+