osc copypac from project:devel:languages:haskell:ghc-8.6.x package:ghc-Glob revision:6, using keep-link

OBS-URL: https://build.opensuse.org/package/show/devel:languages:haskell/ghc-Glob?expand=0&rev=41

ghc-Glob.spec

@@ -26,6 +26,7 @@ License:        BSD-3-Clause
 Group:          Development/Libraries/Haskell
 URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/1.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-containers-devel
 BuildRequires:  ghc-directory-devel
@@ -58,6 +59,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+cp -p %{SOURCE1} %{pkg_name}.cabal
 chmod -x *.txt   # https://github.com/Deewiant/glob/issues/31
 
 %build