How to use rosinstall_generator to install olver version of mavros ?

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Hello all,

I would like to install mavros version 0.29.2 to resolve some issues in my project. I did my research and found this link https://github.com/mavlink/mavros/iss... and https://github.com/mavlink/mavros/iss... , and learned that you can specify the version you want to install. My question is .. how? I've read the documentation of rosinstall nothing exactly shows the usage. I've tried

rosinstall_generator --upstream mavros=0.29.2 --rosdistro kinetic | tee -a /tmp/mavros.rosinstall

rosinstall_generator --upstream mavros/releases/tag/0.29.2 --rosdistro kinetic | tee -a /tmp/mavros.rosinstall

rosinstall_generator --from-path *path_to_downloaded_folder_mavros_0.29.2* --rosdistro kinetic| tee -a /tmp/mavros.rosinstall

rosinstall_generator --tar *mavros_0.29.2.tar.gz* --rosdistro kinetic | tee -a /tmp/mavros.rosinstall

and some more and all returned the same

The following not released packages/stacks will be ignored: *input_by_me*

No packages/stacks left after ignoring not released

Would please someone help me out, I feel like this should not be this complicated.

Best regards,

p.s. : my enviorement is ubuntu 16.04 with ros-kinetic

and all installations neceserray are done (lke wstool etc.)