Backport of cli/main: Add -version flag for CLI version into release/0.2.x

internal/cli/main.go

@@ -59,6 +59,13 @@ func Main(args []string) int {
  // up plugin processes by calling Close on all the resources we use.
  defer plugin.CleanupClients()
 
+ // NOTE: This is only for running `waypoint -v` and expecting it to return
+ // a version. Any other subcommand will expect `-v` to be around verbose
+ // logging rather than printing a version
+ if len(args) == 2 && args[1] == "-v" {
+ args[1] = "-version"
+ }
+
  // Initialize our logger based on env vars
  args, log, logOutput, err := logger(args)
  if err != nil {
@@ -87,6 +94,7 @@ func Main(args []string) int {
  cli := &cli.CLI{
  Name: args[0],
  Args: args[1:],
+ Version: vsn.FullVersionNumber(true),
  Commands: commands,
  Autocomplete: true,
  AutocompleteNoDefaultFlags: true,