$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtbase.git /var/lib/mock/f40-build-2254475-54229/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase
Cloning into '/var/lib/mock/f40-build-2254475-54229/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase'...
$ git fetch origin a23bc2932175db213f7a381ef7eb13d9c6b586cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtbase
 * [new ref]         a23bc2932175db213f7a381ef7eb13d9c6b586cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a23bc29 Update to 6.6.1