Input "version" is never used, when Flutter already installed

[richard-bogdan-bitrise]

If Flutter already installed, then it won't check the input version, and wrong version of Flutter will be used.

Please see related code: A B C

I think it should check the version too, or at least add a warning message that in this case the version will be ignored (and make the input not required).

[koral--]

Thanks for pointing this out.

At the time of creating this step there was no preinstalled Flutter on any Bitrise stack, so I've never considered case when Flutter is installed.