$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwindowsystem.git /var/lib/mock/f42-build-side-1-3506355-45996/root/chroot_tmpdir/scmroot/kf6-kwindowsystem
Cloning into '/var/lib/mock/f42-build-side-1-3506355-45996/root/chroot_tmpdir/scmroot/kf6-kwindowsystem'...
$ git fetch origin 677b19b1c8208e1e82d89e1050e0b71b1f1e5714:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/kf6-kwindowsystem.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443 
$ git reset --hard 677b19b1c8208e1e82d89e1050e0b71b1f1e5714
HEAD is now at 677b19b Rebuild (qt6)