$ git clone -n https://src.fedoraproject.org/rpms/rubygem-sass.git /var/lib/mock/f38-build-side-42-init-devel-574008-25967/root/chroot_tmpdir/scmroot/rubygem-sass
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-574008-25967/root/chroot_tmpdir/scmroot/rubygem-sass'...
$ git fetch origin a9e42bcbf65dce9c2579ed309cace1576fa24b91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-sass
 * [new ref]         a9e42bcbf65dce9c2579ed309cace1576fa24b91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9e42bc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild