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Simplify how the output is defaulted to stdout.

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This commit is contained in:
Rob Rix 2017-07-19 20:07:17 -04:00
parent 201f9358f8
commit aaf39930b0
1 changed files with 2 additions and 1 deletions
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3
src/SemanticCmdLine.hs
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@ -41,7 +41,8 @@ arguments = info (version <*> helper <*> argumentsParser) description
argumentsParser = (. Task.writeToOutput) . (>>=)
<$> hsubparser (diffCommand <> parseCommand)
<*> (maybe (Left stdout) Right <$> optional (strOption (long "output" <> short 'o' <> help "Output path, defaults to stdout")))
<*> ( Right <$> strOption (long "output" <> short 'o' <> help "Output path, defaults to stdout")
<|> pure (Left stdout) )
diffCommand = command "diff" (info diffArgumentsParser (progDesc "Show changes between commits or paths"))
diffArgumentsParser = runDiff