$ git clone -n https://src.fedoraproject.org/rpms/ant-antunit.git /var/lib/mock/f38-build-side-42-init-devel-613187-26293/root/chroot_tmpdir/scmroot/ant-antunit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-613187-26293/root/chroot_tmpdir/scmroot/ant-antunit'...
$ git fetch origin cb5712c566b6c2bd053f088a05525f607d00665d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ant-antunit
 * [new ref]         cb5712c566b6c2bd053f088a05525f607d00665d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb5712c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild