/5523-stack-test

Testing the PR commercialhaskell/stack#5523

Primary LanguageHaskell

The problem

Stack puts indentation in front of GHC output. This blocks emacs and vim from parsing the output and tracking those errors.

Comparison

Old version of stack

$ stack --version
Version 2.5.1, Git revision d6ab861544918185236cf826cb2028abb266d6d5 x86_64 hpack-0.33.0
$ stack build --no-interleaved-output
Building all executables for `bad' once. After a successful build of all of them, only specified executables will be rebuilt.
bad> configure (exe)
bad> build (exe)
Log files have been written to: /path/to/5523-stack-test/.stack-work/logs/

--  While building package bad-0.1.0 (scroll up to its section to see the error) using:
      /home/user/.stack/setup-exe-cache/x86_64-linux-tinfo6/Cabal-simple_mPHDZzAJ_3.2.1.0_ghc-8.10.4 --builddir=.stack-work/dist/x86_64-linux-tinfo6/Cabal-3.2.1.0 build exe:bad --ghc-options ""
    Process exited with code: ExitFailure 1
    Logs have been written to: /path/to/5523-stack-test/.stack-work/logs/bad-0.1.0.log

    Configuring bad-0.1.0...
    Preprocessing executable 'bad' for bad-0.1.0..
    Building executable 'bad' for bad-0.1.0..
    [1 of 2] Compiling Main

    /path/to/5523-stack-test/bad/Main.hs:4:47: error:
        lexical error in string/character literal at character '\n'
      |
    4 | main = putStrLn "This is a blatant parse error
      |                                               ^

New version of stack

$ ../stack/stack --version
Version 2.6.0, Git revision 21223c306df528f75e769d1eef5ed4bf8d916129 (8305 commits) PRE-RELEASE x86_64 hpack-0.33.0
$ ../stack/stack build --no-interleaved-output
Building all executables for `bad' once. After a successful build of all of them, only specified executables will be rebuilt.
bad> configure (exe)
bad> build (exe)
Log files have been written to: /path/to/5523-stack-test/.stack-work/logs/

--  While building package bad-0.1.0 (scroll up to its section to see the error) using:
      /home/user/.stack/setup-exe-cache/x86_64-linux-tinfo6/Cabal-simple_mPHDZzAJ_3.2.1.0_ghc-8.10.4 --builddir=.stack-work/dist/x86_64-linux-tinfo6/Cabal-3.2.1.0 build exe:bad --ghc-options " -fdiagnostics-color=always"
    Process exited with code: ExitFailure 1
    Logs have been written to: /path/to/5523-stack-test/.stack-work/logs/bad-0.1.0.log

Configuring bad-0.1.0...
Preprocessing executable 'bad' for bad-0.1.0..
Building executable 'bad' for bad-0.1.0..
[1 of 2] Compiling Main

/path/to/5523-stack-test/bad/Main.hs:4:47: error:
    lexical error in string/character literal at character '\n'
  |
4 | main = putStrLn "This is a blatant parse error
  |                                               ^