$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtserialport.git /var/lib/mock/f42-build-side-1-3569504-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtserialport
Cloning into '/var/lib/mock/f42-build-side-1-3569504-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtserialport'...
$ git fetch origin 1ac8d0bff6f16fdce05cc8f47004b19683190fdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtserialport
 * [new ref]         1ac8d0bff6f16fdce05cc8f47004b19683190fdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ac8d0b Update to 6.9.1