Re: [PATCH] hooks: add signature using "interpret-trailers"

> The sample hook to prepare the commit message before
> a commit allows users to opt-in to add the signature
> to the commit message. The signature is added at a place
> that isn't consistent with the "-s" option of "git commit".
> Further, it could go out of view in certain cases.
> 
> Add the signature in a way similar to "-s" option of
> "git commit" using git's interpret-trailers command.
> 
> It works well in all cases except when the user invokes
> "git commit" without any arguments. In that case manually
> add a new line after the first line to ensure it's consistent
> with the output of "-s" option.
> 
> While at it, name the input parameters to improve readability
> of script.