$ git clone -n https://src.fedoraproject.org/rpms/coq.git /var/lib/mock/f39-build-2094753-50366/root/chroot_tmpdir/scmroot/coq
Cloning into '/var/lib/mock/f39-build-2094753-50366/root/chroot_tmpdir/scmroot/coq'...
$ git fetch origin de36257d1e31d4b87f34a170446363ea0bbdc77d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coq
 * [new ref]         de36257d1e31d4b87f34a170446363ea0bbdc77d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de36257 Rebuild for ocaml-zarith 1.13