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Apply Hint removes shebang line at top of file #140

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OwenGraves opened this issue Jun 22, 2023 · 0 comments · May be fixed by #148
Open

Apply Hint removes shebang line at top of file #140

OwenGraves opened this issue Jun 22, 2023 · 0 comments · May be fixed by #148

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@OwenGraves
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For example, applying "Redundant $" clears the first line of the file, so #!/usr/bin/env cabal is removed.
Before:

#!/usr/bin/env cabal

{- cabal:
build-depends: base
-}

main :: IO ()
main = print $ "test"

After:



{- cabal:
build-depends: base
-}

main :: IO ()
main = print "test"

This can be reproduced on refactor --version v0.13.0.0 with ghc 9.4.4 by running
hlint Test.hs --serialise > hlint-refactor
refactor Test.hs --refact-file hlint-refactor
with hlint-refactor containing

[("Test.hs:8:14: Suggestion: Redundant $\nFound:\n  print $ \"test\"\nPerhaps:\n  print \"test\"\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 8, startCol = 8, endLine = 8, endCol = 22}, subts = [("a",SrcSpan {startLine = 8, startCol = 8, endLine = 8, endCol = 13}),("b",SrcSpan {startLine = 8, startCol = 16, endLine = 8, endCol = 22})], orig = "a b"}])]

Looks related to this issue
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Fix stripping of the leading shebang line mattapet/apply-refact-shebang
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@OwenGraves