bring back doc re-indexing in posttrans using /var/lib/rpm-state/ghc/

ghc-rpm-macros.ghc

@@ -218,9 +218,19 @@ This package contains the development files.
 %define basepkg ghc-%{pkgname}\
 %post -n %{basepkg}-devel\
 %ghc_pkg_recache\
+if [ -d %{_localstatedir}/lib/rpm-state/ghc/ ]; then\
+  touch %{_localstatedir}/lib/rpm-state/ghc/haddock-reindex\
+fi\
 \
 %postun -n %{basepkg}-devel\
-%ghc_pkg_recache
+%ghc_pkg_recache\
+\
+%posttrans -n %{basepkg}-devel\
+if [ -f %{_localstatedir}/lib/rpm-state/ghc/haddock-reindex ]; then\
+  cd %{ghcdocbasedir}/libraries\
+  ./gen_contents_index\
+  rm %{_localstatedir}/lib/rpm-state/ghc/haddock-reindex\
+fi
 
 # ghc_package_devel [-c cdepslist] [-h pkgdepslist] [-l licensetag] [name] [version]
 %ghc_package_devel(c:h:l:)\

ghc-rpm-macros.spec

@@ -6,7 +6,7 @@
 #%%global without_hscolour 1
 
 Name:           ghc-rpm-macros
-Version:        0.97.3
+Version:        0.98
 Release:        1%{?dist}
 Summary:        Macros for building packages for GHC
 
@@ -72,6 +72,10 @@ EOF
 
 
 %changelog
+* Mon Oct 29 2012 Jens Petersen <petersen@redhat.com> - 0.98-1
+- gen_contents_index is now run once from posttrans (#870694)
+  http://fedoraproject.org/wiki/Packaging:ScriptletSnippets#Saving_state_between_scriptlets
+
 * Thu Oct 25 2012 Jens Petersen <petersen@redhat.com> - 0.97.3-1
 - BR redhat-rpm-config instead of ghc-rpm-macros
 - no longer set without_hscolour in macros.ghc for bootstrapping