[darcs-devel] [patch1661] give FileUUID some love

[Guillaume Hoffmann]

Guillaume Hoffmann <guillaumh at gmail.com> added the comment:

This new pretty-show dependency is problematic for me when I try to
cabal-install darcs with GHC 8.0 and cabal 1.24.2 or cabal 2. 

Also this dependency is only used for the function ppShow in
src/Darcs/Patch/Prim/FileUUID/Apply.hs .

How about we just use `show` and stop depending on pretty-show?

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