kubectl: add completion

srcpkgs/kubernetes/kubectl.INSTALL.msg

@@ -0,0 +1,4 @@
+For bash completions, install the 'bash-completion' package.
+For zsh completions, put the following code in your ~/.zshrc:
+
+  source /usr/share/kubectl/completion.zsh

srcpkgs/kubernetes/template

@@ -21,6 +21,12 @@ conf_files="/etc/kubernetes/*"
 do_build() {
 	make
 	hack/generate-docs.sh
+	find "_output/local/bin/linux/" -type f -executable | grep "kubectl" | egrep -v "gen|test" | while read line
+	do
+		$line completion bash > completion.bash
+		$line completion zsh > completion.zsh
+		break
+	done
 }
 
 do_install() {
@@ -50,6 +56,8 @@ kubectl_package() {
 	pkg_install() {
 		vmove usr/bin/kubectl
 		vmove usr/share/man/man1/kubectl*
+		vinstall completion.bash 644 usr/share/bash-completion/completions kubectl
+		vinstall completion.zsh 644 usr/share/kubectl
 		vlicense LICENSE
 	}
 }