[cantor] cleanup, source0 snippet

[Rex Dieter]

commit a4830541f56c25e990824e0d77f38d5d4ab6af19
Author: Rex Dieter <rdieter at fedoraproject.org>
Date:   Tue Jan 24 08:40:03 2012 -0600

    cleanup, source0 snippet

 .gitignore  |    6 +-----
 cantor.spec |    8 +++++++-
 2 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 2163f49..f51fc82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,2 @@
-/cantor-4.7.3.tar.bz2
-/cantor-4.7.80.tar.bz2
-/cantor-4.7.90.tar.bz2
-/cantor-4.7.95.tar.bz2
-/cantor-4.7.97.tar.bz2
+/cantor-4.7.4.tar.bz2
 /cantor-4.8.0.tar.bz2
diff --git a/cantor.spec b/cantor.spec
index 9569463..87b5cb3 100644
--- a/cantor.spec
+++ b/cantor.spec
@@ -6,7 +6,13 @@ Release: 1%{?dist}
 
 License: GPLv2+
 URL:     https://projects.kde.org/projects/kde/kdeedu/cantor
-Source0: http://download.kde.org/unstable/%{version}/src/%{name}-%{version}.tar.bz2
+%global revision %(echo %{version} | cut -d. -f3)
+%if %{revision} >= 50
+%global stable unstable
+%else
+%global stable stable
+%endif
+Source0: http://download.kde.org/%{stable}/%{version}/src/%{name}-%{version}.tar.bz2
 
 BuildRequires: analitza-devel >= %{version}
 BuildRequires: desktop-file-utils