$ git clone -n https://src.fedoraproject.org/rpms/ocaml-pcre2.git /var/lib/mock/f42-build-865905-173583/root/chroot_tmpdir/scmroot/ocaml-pcre2
Cloning into '/var/lib/mock/f42-build-865905-173583/root/chroot_tmpdir/scmroot/ocaml-pcre2'...
$ git fetch origin 7b5e56efe8aa99a3a9186522bc2a02a9d948f77e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-pcre2
 * [new ref]         7b5e56efe8aa99a3a9186522bc2a02a9d948f77e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5e56e OCaml 5.3.0 rebuild for Fedora 42