Re: [PATCH] documentation: git-mergetool updated to warn against builtin tools invocations

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Sylvain Rabot <srabot@xxxxxxxxx> writes:

> +Be aware that 'git mergetool' has some predefined invocation commands builtin
> +for known diff tools like meld, diffuse, p4merge ... etc. It means that if
> +you set the merge.tool configuration to one of these tools, the
> +mergetool.<tool>.* configurations will not be taken care of. If you
> +really want to customize the invocation of one of these tools,
> +set `merge.tool` to "custom" or whatever you want and `mergetool.custom.cmd`
> +to "/usr/bin/<tool> $LOCAL $MERGED $REMOTE"

Two half-points and three points (that makes them four in total ;-):

 o If I read the above without "It means that", it still makes sense;

 o "If you really" can go without "really";

 * I had to read "will not be taken care of" twice; "are ignored" is
   probably easier to understand;

 * The description and the example makes it sound as if the command line
   has to have these three tokens in the given order, but the whole point
   of this mechanism is that you can launch whatever external command with
   a custom command line, so "and `mergetool.custom.cmd` to a command line
   to invoke the command.  $LOCAL $MERGED and $REMOTE on this command line
   are substituted by ...." may be more reader-friendly.

 * As a documentation update it is perfectly fine to describe this glitch,
   but I wonder if we might want to lift this restriction (read: consider
   this as a bug and fix it).

> ++
> +-------------
> +[merge]
> +    tool = diffuse-custom
> +[mergetool "diffuse-custom"]
> +    cmd = diffuse $LOCAL $MERGED $REMOTE
> +-------------
> ++

Thanks.
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