Bug#1052451: when receiving a SIGINT, unison should send it to the process group, not just to ssh

[Vincent Lefevre <vincent@vinc17.net>]

On 2024-06-28 15:59:16 +0200, Vincent Lefevre wrote:
> [...] The following case is similar:
> 
>   Shell → A → B → unison
> 
> where B is killed by the SIGINT and A traps it and starts again
> to read from the terminal. As an example, in my case:
> 
>   ... → Mutt → wrapper → unison

Actually since this wrapper exec's unison, this gives

  ... → Mutt → unison

So, in my case, the issue only concerns the descendants of unison
(in particular, the ssh wrapper).

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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