[darcs-users] darcs patch: Cabal: Look around for diff and sendmail properly.

[Eric Kow]

Cabal: Look around for diff and sendmail properly.
--------------------------------------------------
> +      defs = [ ("SENDMAIL", quote $ head (sendmail ++ ["false"]))
> +             , ("DIFF", quote $ head diff) ]

This falls back to "false" (/bin/false on my machine) instead of setting
SENDMAIL to the empty string.

Is this behaviour more desirable than the current behaviour of setting
it to the empty string?  Are we relying on the current behaviour in any
way (the current code uses the empty string, as far as I can tell)?

-- 
Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow>
PGP Key ID: 08AC04F9
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