$ git clone -n https://src.fedoraproject.org/rpms/gappalib-coq.git /var/lib/mock/f42-build-865976-173613/root/chroot_tmpdir/scmroot/gappalib-coq
Cloning into '/var/lib/mock/f42-build-865976-173613/root/chroot_tmpdir/scmroot/gappalib-coq'...
$ git fetch origin 646a7628e0d28f245bd5b89c753f778c817a80b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gappalib-coq
 * [new ref]         646a7628e0d28f245bd5b89c753f778c817a80b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 646a762 OCaml 5.3.0 rebuild for Fedora 42