[vala] Also clean up dangling symlinks from previous alternatives scriptlet

[Michel Alexandre Salim]

commit f80c6514c3b79dacea58e5cc0553456fd59f5a96
Author: Michel Alexandre Salim <salimma at fedoraproject.org>
Date:   Fri Apr 6 01:16:42 2012 +0700

    Also clean up dangling symlinks from previous alternatives scriptlet

 vala.spec |   37 +++++++++++++++++++++++++++----------
 1 files changed, 27 insertions(+), 10 deletions(-)
---
diff --git a/vala.spec b/vala.spec
index fbf69ce..b0d556b 100644
--- a/vala.spec
+++ b/vala.spec
@@ -36,8 +36,8 @@ BuildRequires:  emacs emacs-el
 %global vala_manpages valac
 %global vala_tools_binaries vala-gen-introspect vapicheck vapigen
 %global vala_tools_manpages vala-gen-introspect vapigen
-Requires(posttrans):   %{_sbindir}/update-alternatives
-Requires(preun):       %{_sbindir}/update-alternatives
+Requires(posttrans):   %{_sbindir}/alternatives
+Requires(preun):       %{_sbindir}/alternatives
 
 
 %description
@@ -198,24 +198,41 @@ rm -rf $RPM_BUILD_ROOT
 /sbin/ldconfig
 for f in %{vala_binaries};
 do
-    %{_sbindir}/update-alternatives --install %{_bindir}/$f \
+    if find -L /etc/alternatives/$f -type l | grep $f;
+    then
+        # older vala packages fail to remove alternatives on upgrade
+        %{_sbindir}/alternatives --remove $f $(readlink /etc/alternatives/$f)
+    fi
+    %{_sbindir}/alternatives --install %{_bindir}/$f \
       $f %{_bindir}/$f-%{api_ver} 90
 done
 for f in %{vala_manpages};
 do
-    %{_sbindir}/update-alternatives --install %{_mandir}/man1/$f.1.gz \
+    if find -L /etc/alternatives/$f -type l | grep $f;
+    then
+        %{_sbindir}/alternatives --remove $f $(readlink /etc/alternatives/$f)
+    fi
+    %{_sbindir}/alternatives --install %{_mandir}/man1/$f.1.gz \
       $f.1.gz %{_mandir}/man1/$f-%{api_ver}.1.gz 90
 done
 
 %posttrans tools
 for f in %{vala_tools_binaries};
 do
-    %{_sbindir}/update-alternatives --install %{_bindir}/$f \
+    if find -L /etc/alternatives/$f -type l | grep $f;
+    then
+        %{_sbindir}/alternatives --remove $f $(readlink /etc/alternatives/$f)
+    fi
+    %{_sbindir}/alternatives --install %{_bindir}/$f \
       $f %{_bindir}/$f-%{api_ver} 90
 done
 for f in %{vala_tools_manpages};
 do
-    %{_sbindir}/update-alternatives --install %{_mandir}/man1/$f.1.gz \
+    if find -L /etc/alternatives/$f -type l | grep $f;
+    then
+        %{_sbindir}/alternatives --remove $f $(readlink /etc/alternatives/$f)
+    fi
+    %{_sbindir}/alternatives --install %{_mandir}/man1/$f.1.gz \
       $f.1.gz %{_mandir}/man1/$f-%{api_ver}.1.gz 90
 done
 
@@ -223,24 +240,24 @@ done
 /sbin/ldconfig
 for f in %{vala_binaries};
 do
-    %{_sbindir}/update-alternatives --remove $f \
+    %{_sbindir}/alternatives --remove $f \
       %{_bindir}/$f-%{api_ver}
 done
 for f in %{vala_manpages};
 do
-    %{_sbindir}/update-alternatives --remove $f.1.gz \
+    %{_sbindir}/alternatives --remove $f.1.gz \
       %{_mandir}/man1/$f-%{api_ver}.1.gz
 done
 
 %preun tools
 for f in %{vala_tools_binaries};
 do
-    %{_sbindir}/update-alternatives --remove $f \
+    %{_sbindir}/alternatives --remove $f \
       %{_bindir}/$f-%{api_ver}
 done
 for f in %{vala_tools_manpages};
 do
-    %{_sbindir}/update-alternatives --remove $f.1.gz \
+    %{_sbindir}/alternatives --remove $f.1.gz \
       %{_mandir}/man1/$f-%{api_ver}.1.gz
 done