Added shell completion subcommand (#271)

* Added shell completion subcommand

Signed-off-by: Christian Hernandez <chernand@redhat.com>

* wip

* wip

* bump

* bump

* trigger ci

Co-authored-by: roi-codefresh <roi.kramer@codefresh.io>

Author: christianh814

Makefile

@@ -1,4 +1,4 @@
-VERSION=v0.0.251
+VERSION=v0.0.253
 
 OUT_DIR=dist
 YEAR?=$(shell date +"%Y")

cmd/commands/completion.go

@@ -0,0 +1,53 @@
+// Copyright 2022 The Codefresh Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package commands
+
+import (
+	"os"
+
+	"github.com/codefresh-io/cli-v2/pkg/util"
+
+	"github.com/spf13/cobra"
+)
+
+func NewCompletionCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "completion [bash|zsh|fish|powershell]",
+		Short: "Generates shell completion script.",
+		Args:  cobra.ExactArgs(1),
+		Long: util.Doc(`Generates shell completion script for your shell environment
+
+Example:
+
+	source <(<BIN> completion bash)
+`),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			switch args[0] {
+			case "bash":
+				return cmd.Root().GenBashCompletion(os.Stdout)
+			case "zsh":
+				return cmd.Root().GenZshCompletion(os.Stdout)
+			case "fish":
+				return cmd.Root().GenFishCompletion(os.Stdout, true)
+			case "powershell":
+				return cmd.Root().GenPowerShellCompletion(os.Stdout)
+			default:
+				return cmd.Help()
+			}
+		},
+	}
+
+	return cmd
+}

cmd/commands/root.go

@@ -56,6 +56,7 @@ variables in advanced to simplify the use of those commands.
 	cmd.AddCommand(NewWorkflowCommand())
 	cmd.AddCommand(NewPipelineCommand())
 	cmd.AddCommand(NewIntegrationCommand())
+	cmd.AddCommand(NewCompletionCommand())
 
 	cobra.OnInitialize(func() { postInitCommands(cmd.Commands()) })
 

docs/releases/release_notes.md

@@ -23,7 +23,7 @@ cf version
 
 ```bash
 # download and extract the binary
-curl -L --output - https://github.com/codefresh-io/cli-v2/releases/download/v0.0.251/cf-linux-amd64.tar.gz | tar zx
+curl -L --output - https://github.com/codefresh-io/cli-v2/releases/download/v0.0.253/cf-linux-amd64.tar.gz | tar zx
 
 # move the binary to your $PATH
 mv ./cf-linux-amd64 /usr/local/bin/cf
@@ -36,7 +36,7 @@ cf version
 
 ```bash
 # download and extract the binary
-curl -L --output - https://github.com/codefresh-io/cli-v2/releases/download/v0.0.251/cf-darwin-amd64.tar.gz | tar zx
+curl -L --output - https://github.com/codefresh-io/cli-v2/releases/download/v0.0.253/cf-darwin-amd64.tar.gz | tar zx
 
 # move the binary to your $PATH
 mv ./cf-darwin-amd64 /usr/local/bin/cf

manifests/runtime.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: "{{ namespace }}"
 spec:
   defVersion: 1.0.1
-  version: 0.0.251
+  version: 0.0.253
   bootstrapSpecifier: github.com/codefresh-io/cli-v2/manifests/argo-cd
   components:
     - name: events