$ git clone -n https://src.fedoraproject.org/rpms/QXlsx.git /var/lib/mock/f39-build-1561815-37409/root/chroot_tmpdir/scmroot/QXlsx
Cloning into '/var/lib/mock/f39-build-1561815-37409/root/chroot_tmpdir/scmroot/QXlsx'...
$ git fetch origin 684bbc9ae8a5d5aae9870ebd6e9c78d7ee3d4b41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/QXlsx
 * [new ref]         684bbc9ae8a5d5aae9870ebd6e9c78d7ee3d4b41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 684bbc9 Rebuild (qt6)