Cardano-node: Cardano-node versions

[psychomb]

Issue:
Execution of cardano-node does not return the version installed.
Solution/Feature request:
It would be helpful to have access to that piece of information before running it, as done for cardano-wallet for example.
ex.
cardano-wallet-byron version
2020.3.16 (git revision: 15d6b4e4d6a33fab19550581ddc967d2121ae537)

[erikd]

@psychomb cardano-wallet is another repo. I will transfer this issue to the correct one.

[rvl]

@erikd The way I read this issue was as a feature request for cardano-node to show its version, like how cardano-wallet does.

[KtorZ]

Let me transfer it back :upside_down_face: (cc @Jimbo4350)

[dcoutts]

Yes, it should have a --version flag.

[CodiePP]

this information is available already and for example is shown in the LiveView.

[tatyanavych]

Already implemented: https://github.com/input-output-hk/cardano-node/pull/630