$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-qt.git /var/lib/mock/f45-build-8807-396/root/chroot_tmpdir/scmroot/fcitx5-qt
Cloning into '/var/lib/mock/f45-build-8807-396/root/chroot_tmpdir/scmroot/fcitx5-qt'...
$ git fetch origin 9e906d13a10e486faa68a771cf65110eec5b6484:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-qt
 * [new ref]         9e906d13a10e486faa68a771cf65110eec5b6484 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e906d1 Rebuild (qt6)