$ git clone -n https://src.fedoraproject.org/rpms/fcitx-qt5.git /var/lib/mock/f40-build-2278031-55255/root/chroot_tmpdir/scmroot/fcitx-qt5
Cloning into '/var/lib/mock/f40-build-2278031-55255/root/chroot_tmpdir/scmroot/fcitx-qt5'...
$ git fetch origin 386249bddf1f8211f0dc3fb1b7041511a3c15206:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx-qt5
 * [new ref]         386249bddf1f8211f0dc3fb1b7041511a3c15206 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 386249b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild