Clean up spec file, autodetect stable/unstable download folder

kf5-kunitconversion.spec

@@ -7,11 +7,14 @@ Summary:        KDE Frameworks 5 Tier 2 addon for unit conversions
 
 License:        LGPLv2+
 URL:            http://www.kde.org
-# git archive --format=tar --prefix=%{framework}-%{version}/ \
-#             --remote=git://anongit.kde.org/%{framework}.git master | \
-# bzip2 -c > %{name}-%{version}-%{snapshot}git.tar.bz2
-#Source0:        %{name}-%{version}-%{snapshot}git.tar.bz2
-Source0:        http://download.kde.org/stable/frameworks/%{version}/%{framework}-%{version}.tar.xz
+
+%global revision %(echo %{version} | cut -d. -f3)
+%if %{revision} >= 50
+%global stable unstable
+%else
+%global stable stable
+%endif
+Source0:        http://download.kde.org/%{stable}/frameworks/%{version}/%{framework}-%{version}.tar.xz
 
 BuildRequires:  kf5-rpm-macros
 BuildRequires:  extra-cmake-modules
@@ -32,11 +35,11 @@ Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       kf5-ki18n-devel
 Requires:       kf5-kconfig-devel
 
-
 %description    devel
 The %{name}-devel package contains libraries and header files for
 developing applications that use %{name}.
 
+
 %prep
 %setup -q -n %{framework}-%{version}
 
@@ -53,10 +56,8 @@ make %{?_smp_mflags} -C %{_target_platform}
 %find_lang kunitconversion5_qt --with-qt --all-name
 
 %post -p /sbin/ldconfig
-
 %postun -p /sbin/ldconfig
 
-
 %files -f kunitconversion5_qt.lang
 %doc COPYING.LIB README.md
 %{_kf5_libdir}/libKF5UnitConversion.so.*