Extract cmd/helm to external package

Prior to this commit we couldn't import "helm.sh/helm/v3/cmd/helm"
because "helm.sh/helm/v3/cmd/helm" is a program, not an importable
package.

Signed-off-by: Juan-Luis de Sousa-Valadas Castaño <jvaladas@mirantis.com>

cmd/helm/app/completion.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/completion_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/create.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/create_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/dependency.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/dependency_build.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/dependency_build_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/dependency_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"runtime"

cmd/helm/app/dependency_update.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/dependency_update_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/docs.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/docs_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/env.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/env_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/flags.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"flag"

cmd/helm/app/flags_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/get_all.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/get_all_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_hooks.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get_hooks_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_manifest.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get_manifest_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_metadata.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get_metadata_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_notes.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get_notes_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/get_values.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/get_values_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/helm.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main // import "helm.sh/helm/v3/cmd/helm"
+package app
 
 import (
 	"fmt"
@@ -55,7 +55,7 @@ func warning(format string, v ...interface{}) {
 	fmt.Fprintf(os.Stderr, format, v...)
 }
 
-func main() {
+func Main() {
 	// Setting the name of the app for managedFields in the Kubernetes client.
 	// It is set here to the full name of "helm" so that renaming of helm to
 	// another name (e.g., helm2 or helm3) does not change the name of the

cmd/helm/app/helm_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"
@@ -170,7 +170,7 @@ func TestPluginExitCode(t *testing.T) {
 		os.Args = []string{"helm", "exitwith", "2"}
 
 		// We DO call helm's main() here. So this looks like a normal `helm` process.
-		main()
+		Main()
 
 		// As main calls os.Exit, we never reach this line.
 		// But the test called this block of code catches and verifies the exit code.

cmd/helm/app/history.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/history_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/install.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"context"

cmd/helm/app/install_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/lint.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/lint_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/list.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/list_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/load_plugins.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/package.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/package_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/plugin.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/plugin_install.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/plugin_list.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/plugin_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/plugin_uninstall.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/plugin_update.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/printer.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/pull.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/pull_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/push.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/push_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/registry.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/registry_login.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bufio"

cmd/helm/app/registry_login_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/registry_logout.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/registry_logout_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/release_testing.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/release_testing_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/repo.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/repo_add.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"context"

cmd/helm/app/repo_add_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/repo_index.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/repo_index_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/repo_list.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/repo_list_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/repo_remove.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/repo_remove_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/repo_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/repo_update.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/repo_update_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/rollback.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/rollback_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/root.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main // import "helm.sh/helm/v3/cmd/helm"
+package app
 
 import (
 	"context"

cmd/helm/app/root_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"os"

cmd/helm/app/root_unix.go

@@ -16,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"os"

cmd/helm/app/root_unix_test.go

@@ -16,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/root_windows.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 func checkPerms() {
 	// Not yet implemented on Windows. If you know how to do a comprehensive perms

cmd/helm/app/search.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"io"

cmd/helm/app/search_hub.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/search_hub_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/search_repo.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bufio"

cmd/helm/app/search_repo_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/search_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import "testing"
 

cmd/helm/app/show.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/show_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/status.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/status_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/template.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"bytes"

cmd/helm/app/template_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/uninstall.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/uninstall_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"

cmd/helm/app/upgrade.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"context"

cmd/helm/app/upgrade_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/verify.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/verify_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/version.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"fmt"

cmd/helm/app/version_test.go

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package app
 
 import (
 	"testing"