$ git clone -n https://src.fedoraproject.org/rpms/fcitx-qt5.git /var/lib/mock/f45-build-8759-394/root/chroot_tmpdir/scmroot/fcitx-qt5
Cloning into '/var/lib/mock/f45-build-8759-394/root/chroot_tmpdir/scmroot/fcitx-qt5'...
$ git fetch origin 5a5a7a0fb7835fd7052a271fc2b0715230f03331:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx-qt5
 * [new ref]         5a5a7a0fb7835fd7052a271fc2b0715230f03331 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a5a7a0 Allow to build with CMake 4.0 (rhbz#2380585)