$ git clone -n https://src.fedoraproject.org/rpms/wkhtmltopdf.git /var/lib/mock/f38-build-side-42-init-devel-735841-27636/root/chroot_tmpdir/scmroot/wkhtmltopdf
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-735841-27636/root/chroot_tmpdir/scmroot/wkhtmltopdf'...
$ git fetch origin ced1c3ce19885e47c95d049d486abdb458cb32c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wkhtmltopdf
 * [new ref]         ced1c3ce19885e47c95d049d486abdb458cb32c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ced1c3c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild