$ git clone -n https://src.fedoraproject.org/rpms/mingw-qextserialport.git /var/lib/mock/f39-build-1788403-41732/root/chroot_tmpdir/scmroot/mingw-qextserialport
Cloning into '/var/lib/mock/f39-build-1788403-41732/root/chroot_tmpdir/scmroot/mingw-qextserialport'...
$ git fetch origin 3a36eba2b87cf9862298aed121b6c8989d4e147e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qextserialport
 * [new ref]         3a36eba2b87cf9862298aed121b6c8989d4e147e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a36eba Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild