$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-forms.git /var/lib/mock/f38-build-side-42-init-devel-851438-28425/root/chroot_tmpdir/scmroot/gap-pkg-forms
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-851438-28425/root/chroot_tmpdir/scmroot/gap-pkg-forms'...
$ git fetch origin 0cc78a4a22752ee79e1e756e593d0c6f49ad70c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-forms
 * [new ref]         0cc78a4a22752ee79e1e756e593d0c6f49ad70c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cc78a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild