$ git clone -n https://src.fedoraproject.org/rpms/gscan2pdf.git /var/lib/mock/f38-build-side-42-init-devel-863161-28428/root/chroot_tmpdir/scmroot/gscan2pdf
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-863161-28428/root/chroot_tmpdir/scmroot/gscan2pdf'...
$ git fetch origin d80def8f596b2f94a0da9547ce153b83905fcc96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gscan2pdf
 * [new ref]         d80def8f596b2f94a0da9547ce153b83905fcc96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d80def8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild