Merge pull request #4 from icy/helm_command_without_separator

helm command doesnot need separator (--)

Author: icy

README.md

@@ -33,6 +33,7 @@ This new way
 
 ```
 $ gk8s :my-cluster get nodes
+$ gk8s :my-cluster helm list
 $ gk8s :my-cluster -- helm list
 $ gk8s :my-cluster -- custom-command   # KUBECONFIG will be set accordingly with default context!
 ```
@@ -94,8 +95,8 @@ You get no idea of the cluster on which you executed the command(s).
 
 ## Getting started
 
-Starting from v1.1.1, you can download binary files generated automatically 
-by Github-Action (via goreleaser tool). You find the files from 
+Starting from v1.1.1, you can download binary files generated automatically
+by Github-Action (via goreleaser tool). You find the files from
 the release listing page: https://github.com/icy/gk8s/releases
 
 To install on your laptop by local compiling process, please try the popular way
@@ -139,6 +140,14 @@ $ gk8s :cluster kubectl get nodes
 $ gk8s :cluster -- kubectl get nodes
 ```
 
+Both `kubectl` and `helm` don't need any separator (`--`). The following
+commands are the same:
+
+```
+$ gk8s :cluster helm list
+$ gk8s :cluster -- helm list
+```
+
 Some notes
 
 * The command `kubectl` is used by default.

go.mod

@@ -0,0 +1,3 @@
+module github.com/icy/gk8s
+
+go 1.20

main.go

@@ -48,7 +48,10 @@ func args2cmd(args []string) (string, []string) {
 			return command, []string{""}
 		}
 	} else {
-		if strings.Index(args[0], "kubectl") == -1 {
+		if strings.Index(args[0], "helm") == 0 {
+			command = "helm"
+			args = args[0:]
+    } else if strings.Index(args[0], "kubectl") == -1 {
 			command = "kubectl"
 			args = append([]string{command}, args...)
 		} else {

tests.sh

@@ -4,6 +4,7 @@
 # Author  : Ky-Anh Huynh
 # License : Public domain
 
+
 _gk8s() {
   "$(pwd -P)"/gk8s "${@}"
 }
@@ -24,6 +25,15 @@ _fail_when_command_not_found() {
   _gk8s :any_name -- foo/bar xyz
 }
 
+# NOTE: helm command is required.
+_fail_with_helm_repo_list() {
+  (
+    export HELM_REPOSITORY_CONFIG=/dev/null
+    touch ~/.config/gk8s/helm_test
+    _gk8s :helm_test helm repo list
+  )
+}
+
 # NOTE: kubectl command is required.
 _fail_with_cluster_config_not_found() {
   (
@@ -118,6 +128,9 @@ _ok_to_delete_with_env_flag() {
   )
 }
 
+# $1: function to test
+# $2: regular expression
+# $*: Test description
 _test() {
   fun="$1"; shift
   reg="$1"; shift
@@ -148,7 +161,7 @@ _test() {
 
 default() {
   ln -sfv /bin/true kubectl
-  mkdir -p ~/.config/gk8s
+  mkdir -pv ~/.config/gk8s
 
   _test _fail_when_command_not_found \
       "Command not found" \
@@ -205,6 +218,10 @@ default() {
   _test _ok_to_delete_with_env_flag \
       "Executing.*kubectl delete pods" \
       "Now executing actual delete command."
+
+  _test _fail_with_helm_repo_list \
+      "Error: no repositories to show" \
+      "helm would not need any separator (--)."
 }
 
 ### main routines ######################################################