osc copypac from project:devel:languages:haskell:ghc-8.6.x package:texmath revision:4, using keep-link

OBS-URL: https://build.opensuse.org/package/show/devel:languages:haskell/texmath?expand=0&rev=83

texmath.spec

@@ -19,14 +19,13 @@
 %global pkg_name texmath
 %bcond_with tests
 Name:           %{pkg_name}
-Version:        0.11.1.1
+Version:        0.11.1.2
 Release:        0
 Summary:        Conversion between formats used to represent mathematics
 License:        GPL-2.0-or-later
 Group:          Development/Libraries/Haskell
 URL:            https://hackage.haskell.org/package/%{name}
 Source0:        https://hackage.haskell.org/package/%{name}-%{version}/%{name}-%{version}.tar.gz
-Source1:        https://hackage.haskell.org/package/%{name}-%{version}/revision/1.cabal#/%{name}.cabal
 BuildRequires:  chrpath
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-aeson-devel
@@ -93,7 +92,6 @@ This package provides the Haskell %{name} library development files.
 
 %prep
 %setup -q
-cp -p %{SOURCE1} %{name}.cabal
 
 %build
 %define cabal_configure_options -fexecutable