$ git clone -n https://src.fedoraproject.org/rpms/cmake-fedora.git /var/lib/mock/f39-build-1531131-36206/root/chroot_tmpdir/scmroot/cmake-fedora
Cloning into '/var/lib/mock/f39-build-1531131-36206/root/chroot_tmpdir/scmroot/cmake-fedora'...
$ git fetch origin 284d7f243d863272e642fb7bcc02900b570ccd13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmake-fedora
 * [new ref]         284d7f243d863272e642fb7bcc02900b570ccd13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 284d7f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild