Set SOSVERSION during build to ensure it is reported correctly

Resolves: bz585942

Makefile

@@ -37,6 +37,7 @@ install:
 	install -m644 LICENSE README TODO $(DESTDIR)/usr/share/$(NAME)/.
 	install -m644 $(NAME).conf $(DESTDIR)/etc/$(NAME).conf
 	install -m644 gpgkeys/rhsupport.pub $(DESTDIR)/usr/share/$(NAME)/.
+	sed 's/@SOSVERSION@/$(VERSION)/g'<sos/__init__.py.in >sos/__init__.py
 	for d in $(SUBDIRS); do make DESTDIR=`cd $(DESTDIR); pwd` -C $$d install; [ $$? = 0 ] || exit 1; done
 
 $(NAME)-$(VERSION).tar.gz: clean gpgkey

sos/__init__.py → sos/__init__.py.in

@@ -22,5 +22,6 @@
 
 gettext.bindtextdomain(gettext_app, gettext_dir)
 
+__version__="@SOSVERSION@"
 def _sos(msg):
     return gettext.dgettext(gettext_app, msg)

sos/sosreport.py

@@ -46,8 +46,8 @@
 from collections import deque
 
 from sos import _sos as _
+from sos import __version__
 
-__version__ = 2.1
 if os.path.isfile('/etc/fedora-release'):
     __distro__ = 'Fedora'
 else: