D5800: config: introduce a new value for ui.relative-paths getting old behavior

Yuya Nishihara yuya at tcha.org
Sun Feb 3 17:48:48 EST 2019

>   > Looks good, but I find it isn't easy to parse the meaning of
>   >  `getuipathfn(repo, forcevalue=True)`. Perhaps it can be spelled as
>   >  `forcerelative=True`.
>   The problem is that this an override value for a boolean value, so it's easy to mistake `forcerelative=False` to mean "don't force it to be relative". That's why I went for `forcevalue` (meaning "force to this value"). I agree that it can still easily be read as "force a value". Perhaps `forceto` works better, although it's a bit unconventional? I'll change it to that and you can tell me if it seems worse.

What I thought confusing is `scmutil.getuipathfn(ctx.repo(), legacyvalue=True)`
in D5801. "What does the `True` mean? relative, absolute, or a complete
different stuff?"

I still think somehow including "relative" in the variable name is better than
"forceto" or "forcevalue".

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