$ git clone -n https://src.fedoraproject.org/rpms/ocaml-omake.git /var/lib/mock/f42-build-3406867-45143/root/chroot_tmpdir/scmroot/ocaml-omake
Cloning into '/var/lib/mock/f42-build-3406867-45143/root/chroot_tmpdir/scmroot/ocaml-omake'...
$ git fetch origin b07540edc5eea0df3e489f1a35b2342e50fa44dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-omake
 * [new ref]         b07540edc5eea0df3e489f1a35b2342e50fa44dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b07540e Make build more reproducible by clamping the build date in `omake_magic.ml`