Improve --selector flag help

Shopify · Jan 15, 2018 · 3c3e198 · 3c3e198
1 parent 449814d
commit 3c3e198
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/exe/kubernetes-deploy b/exe/kubernetes-deploy
@@ -24,7 +24,8 @@ ARGV.options do |opts|
   opts.on("--no-prune", "Disable deletion of resources that do not appear in the template dir") { prune = false }
   opts.on("--template-dir=DIR", "Set the template dir (default: config/deploy/$ENVIRONMENT)") { |v| template_dir = v }
   opts.on("--verbose-log-prefix", "Add [context][namespace] to the log prefix") { verbose_log_prefix = true }
-  opts.on("--selector=key1=value1,key2=value2", "Use selector to filter which resources to prune") do |s|
+  opts.on("--selector=SELECTOR", "Use selector to filter which resources to prune and apply the templates to. " \
+    "All the templates need to match the selector or the command will fail (format: k1=v1,k2=v2 or JSON)") do |s|
     selector = KubernetesDeploy::BindingsParser.parse(s)
   end