$ git clone -n https://src.fedoraproject.org/rpms/cmake.git /var/lib/mock/f40-build-1542531-23937/root/chroot_tmpdir/scmroot/cmake
Cloning into '/var/lib/mock/f40-build-1542531-23937/root/chroot_tmpdir/scmroot/cmake'...
$ git fetch origin 815f5fcb16be9d12bb4e4438fb511d9187c42c18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmake
 * [new ref]         815f5fcb16be9d12bb4e4438fb511d9187c42c18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 815f5fc cmake-3.28.2