$ git clone -n https://src.fedoraproject.org/rpms/rubygem-sassc.git /var/lib/mock/f38-build-side-42-init-devel-647893-26439/root/chroot_tmpdir/scmroot/rubygem-sassc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-647893-26439/root/chroot_tmpdir/scmroot/rubygem-sassc'...
$ git fetch origin a52e8b2da85319fabdeda4f73c078878d20867c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-sassc
 * [new ref]         a52e8b2da85319fabdeda4f73c078878d20867c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a52e8b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild