$ git clone -n https://src.fedoraproject.org/rpms/coccinelle.git /var/lib/mock/f38-build-side-42-init-devel-770162-27754/root/chroot_tmpdir/scmroot/coccinelle
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-770162-27754/root/chroot_tmpdir/scmroot/coccinelle'...
$ git fetch origin f9985dc8e9958cbd70bbf4993b22a9710884edb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coccinelle
 * [new ref]         f9985dc8e9958cbd70bbf4993b22a9710884edb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9985dc Rebuild for ocaml-pyml 20220905