VOL-1996 Use v-prefixed versions with golang projects

Change-Id: I0de8742fa41b957fe3c6f13ace5b63836ead7993
diff --git a/jjb/shell/github-release.sh b/jjb/shell/github-release.sh
index 2ab2c94..2ded191 100644
--- a/jjb/shell/github-release.sh
+++ b/jjb/shell/github-release.sh
@@ -44,7 +44,8 @@
 pushd "$GERRIT_PROJECT"
   GIT_VERSION=$(git tag -l --points-at HEAD)
 
-  if [[ "$GIT_VERSION" =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]
+  # match bare versions or v-prefixed golang style version
+  if [[ "$GIT_VERSION" =~ ^v?([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]
   then
     echo "git has a SemVer released version tag: '$GIT_VERSION'"
     echo "Building artifacts for GitHub release."