fix(versionning): Fix version

Version should be x.y.z for releases. It makes things homogenous for
debian version (that needs a number as first char) and it is
semantically better.

At this time, the Makefile is OK. Maybe we don't need `PKG_VERSION`
later.

generator/version_test.go

@@ -8,11 +8,24 @@ import (
 func TestVersion(t *testing.T) {
 	// we build on "devel" branch
 	v := GetVersion()
+	// by default, the version comes from build info and it's a development version
 	if !strings.Contains(v, "(devel)") {
 		t.Errorf("Expected version to be set, got %s", v)
 	}
 
 	// now, imagine we are on a release branch
+	Version = "1.0.0"
+	v = GetVersion()
+	if !strings.Contains(v, "1.0.0") {
+		t.Errorf("Expected version to be set, got %s", v)
+	}
+	// now, imagine we are on v1.0.0
+	Version = "v1.0.0"
+	v = GetVersion()
+	if !strings.Contains(v, "v1.0.0") {
+		t.Errorf("Expected version to be set, got %s", v)
+	}
+	// we can also compile a release branch
 	Version = "release-1.0.0"
 	v = GetVersion()
 	if !strings.Contains(v, "release-1.0.0") {