$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtserialport.git /var/lib/mock/f40-build-2378662-60443/root/chroot_tmpdir/scmroot/qt6-qtserialport
Cloning into '/var/lib/mock/f40-build-2378662-60443/root/chroot_tmpdir/scmroot/qt6-qtserialport'...
$ git fetch origin 975df17524d51414b6f4b63563c2c1ee7aca42d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtserialport
 * [new ref]         975df17524d51414b6f4b63563c2c1ee7aca42d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 975df17 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild