Restrict tags to versions

Use the same from of git describe as the setup.py so that only tags
which start with a v will be used for versions

Change-Id: I89b119e52b91c8886cfb9a3dc43b54d2425253b0
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index e131f3b..d950852 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -16,7 +16,7 @@
 ##
 name: osmclient
 base: core18
-version: git
+adopt-info: client
 summary: A python client for orchestrating OSM
 description: |
   A python client for orchestrating Open Source Mano (OSM).
@@ -75,4 +75,5 @@
       $SNAPCRAFT_PART_INSTALL/usr/bin/pip3 install -r requirements.txt
       $SNAPCRAFT_PART_INSTALL/usr/bin/pip3 install .
       rm -rf .tox
+      snapcraftctl set-version $(git describe --match v* --tags --long --dirty)
       snapcraftctl build