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Bug#1120778: "cabal unpack foo" adds MSDOS/Windows carriage returns (^M)

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reassign 1120778 cabal-install
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>package-plan/README.txt says one should use "cabal unpack foo" to get
>the source that is used to create the package-plan's copy of quilt
>patches for foo.  Unfortunately, these patches cannot be applied to
>the Debian upstream source, because "cabal unpack foo" corrupts the
>upstream source by adding MSDOS/Windows carriage returns (^M).  I
>encountered this issue when I tried to apply the package-plan
>hledger-ui quilt series to haskell-hledger-ui.  The patch does not
>apply.

I think what `cabal unpack` is doing is downloading https://hackage.haskell.org/package/hledger-ui-1.50.2/hledger-ui-1.50.2.tar.gz and then overwriting hledger-ui.cabal from the tarball (which has proper line endings) with https://hackage.haskell.org/package/hledger-ui-1.50.2/hledger-ui.cabal (which does not).

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Bug#1120778: "cabal unpack foo" adds MSDOS/Windows carriage returns (^M) Nicholas D Steeves <sten@debian.org> - 2025-11-16 03:50 +0100
  Bug#1120778: "cabal unpack foo" adds MSDOS/Windows carriage returns (^M) Clint Adams <clint@debian.org> - 2025-11-17 23:30 +0100
    Bug#1120778: "cabal unpack foo" adds MSDOS/Windows carriage returns (^M) Nicholas D Steeves <sten@debian.org> - 2025-11-18 19:40 +0100

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