backport v2-sdist fix for file permissions

https://github.com/haskell/cabal/issues/5813

cabal-install-sdist-file-permissions.patch

@@ -0,0 +1,26 @@
+--- cabal-install-2.4.1.0/Distribution/Client/CmdSdist.hs.orig	1970-01-01 07:30:00.000000000 +0730
++++ cabal-install-2.4.1.0/Distribution/Client/CmdSdist.hs	2020-04-14 13:08:58.730089942 +0800
+@@ -84,7 +84,8 @@
+ import qualified Data.Set as Set
+ import System.Directory
+     ( getCurrentDirectory, setCurrentDirectory
+-    , createDirectoryIfMissing, makeAbsolute )
++    , createDirectoryIfMissing, makeAbsolute
++    , getPermissions, executable )
+ import System.FilePath
+     ( (</>), (<.>), makeRelative, normalise, takeDirectory )
+
+@@ -269,10 +270,11 @@
+                             Right path -> tell [Tar.directoryEntry path]
+
+                         forM_ files $ \(perm, file) -> do
++                            realPerm <- liftIO $ getPermissions file
+                             let fileDir = takeDirectory (prefix </> file)
+                                 perm' = case perm of
+-                                    Exec -> Tar.executableFilePermissions
+-                                    NoExec -> Tar.ordinaryFilePermissions
++                                    Exec | executable realPerm -> Tar.executableFilePermissions
++                                    _                          -> Tar.ordinaryFilePermissions
+                             needsEntry <- gets (Set.notMember fileDir)
+
+                             when needsEntry $ do

cabal-install.spec

@@ -3,7 +3,7 @@
 
 Name:           cabal-install
 Version:        2.4.1.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The command-line interface for Cabal and Hackage
 
 License:        BSD
@@ -12,8 +12,9 @@ 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}/%{name}.cabal#/%{name}-%{version}.cabal
 # End cabal-rpm sources
-
 Source10:       cabal-install.sh
+# backport fix from https://github.com/haskell/cabal/issues/5813
+Patch0:         cabal-install-sdist-file-permissions.patch
 
 # Begin cabal-rpm deps:
 BuildRequires:  ghc-rpm-macros
@@ -76,6 +77,7 @@ installation of Haskell libraries and programs.
 cp -bp %{SOURCE1} %{name}.cabal
 # End cabal-rpm setup
 cabal-tweak-dep-ver Cabal '>= 2.4.1.0' '>= 2.4.0.0'
+%patch0 -p1 -b .orig
 
 
 %build
@@ -106,6 +108,10 @@ install -pm 644 -D -t %{buildroot}%{_sysconfdir}/profile.d/ %{SOURCE10}
 
 
 %changelog
+* Tue Apr 14 2020 Jens Petersen <petersen@redhat.com> - 2.4.1.0-2
+- backport new-sdist upstream fix for doc file permissions
+  (https://github.com/haskell/cabal/issues/5813)
+
 * Sun Feb 09 2020 Jens Petersen <petersen@redhat.com> - 2.4.1.0-1
 - update to 2.4.1.0