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https://git.in.rschanz.org/ryan77627/guix.git
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30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
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Restore compatibility with newer version of base16-bytestring.
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Taken from https://raw.githubusercontent.com/archlinux/svntogit-community/packages/trunk/cabal-install-base16-bytestring1.0.patch
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diff --git a/Distribution/Client/HashValue.hs b/Distribution/Client/HashValue.hs
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index 54b8aee9e..11e647c1c 100644
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--- a/Distribution/Client/HashValue.hs
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+++ b/Distribution/Client/HashValue.hs
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@@ -1,3 +1,4 @@
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+{-# LANGUAGE CPP #-}
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{-# LANGUAGE DeriveDataTypeable #-}
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{-# LANGUAGE DeriveGeneric #-}
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module Distribution.Client.HashValue (
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@@ -72,10 +73,14 @@ hashFromTUF (Sec.Hash hashstr) =
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--TODO: [code cleanup] either we should get TUF to use raw bytestrings or
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-- perhaps we should also just use a base16 string as the internal rep.
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case Base16.decode (BS.pack hashstr) of
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+#if MIN_VERSION_base16_bytestring(1,0,0)
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+ Right hash -> HashValue hash
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+ Left _ -> error "hashFromTUF: cannot decode base16"
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+#else
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(hash, trailing) | not (BS.null hash) && BS.null trailing
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-> HashValue hash
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_ -> error "hashFromTUF: cannot decode base16 hash"
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-
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+#endif
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-- | Truncate a 32 byte SHA256 hash to
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--
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