templates: Add Patchwork version

This is managed using a combination of hardcoded string, for
installations from tarball, and 'git describe', for installations from
a Git repo.

This includes installing Git in the Docker environment, to enable this
in the development environment.

Signed-off-by: Stephen Finucane <stephen@that.guru>
Acked-by: Daniel Axtens <dja@axtens.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/patchwork/context_processors.py b/patchwork/context_processors.py
index 8f1de9e..b021b31 100644
--- a/patchwork/context_processors.py
+++ b/patchwork/context_processors.py
@@ -19,6 +19,12 @@
 
 from django.contrib.sites.models import Site
 
+import patchwork
+
 
 def site(request):
     return {'site': Site.objects.get_current()}
+
+
+def version(request):
+    return {'version': patchwork.__version__}