From e1cd3d93d7d2f3cfd89b1945f32b808a477cb9d7 Mon Sep 17 00:00:00 2001
From: Khosrow Moossavi <khos2ow@gmail.com>
Date: Mon, 5 Aug 2019 12:35:57 -0400
Subject: [PATCH] Command long description helper function

---
 cmd/cca/completion/completion.go |  8 ++------
 pkg/cmdutil/description.go       | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 6 deletions(-)
 create mode 100644 pkg/cmdutil/description.go

diff --git a/cmd/cca/completion/completion.go b/cmd/cca/completion/completion.go
index 6ccc6d6..42c5999 100644
--- a/cmd/cca/completion/completion.go
+++ b/cmd/cca/completion/completion.go
@@ -16,13 +16,9 @@
 package completion
 
 import (
-	"fmt"
-	"strings"
-
 	"github.com/cloud-ca/cca/cmd/cca/completion/bash"
 	"github.com/cloud-ca/cca/cmd/cca/completion/zsh"
 	"github.com/cloud-ca/cca/pkg/cmdutil"
-	"github.com/lithammer/dedent"
 	"github.com/spf13/cobra"
 )
 
@@ -32,7 +28,7 @@ func NewCommand(gf *cmdutil.GlobalFlags) *cobra.Command {
 		Args:  cobra.NoArgs,
 		Use:   "completion",
 		Short: "Output completion code for the specified shell (bash or zsh)",
-		Long: strings.TrimLeft(dedent.Dedent(fmt.Sprint(`
+		Long: cmdutil.LongDescription(`
             Outputs cca shell completion for the given shell (bash or zsh)
             This depends on the bash-completion binary.  Example installation instructions:
 
@@ -46,7 +42,7 @@ func NewCommand(gf *cmdutil.GlobalFlags) *cobra.Command {
 
             Additionally, you may want to output the completion to a file and source in your .bashrc
             Note for zsh users: [1] zsh completions are only supported in versions of zsh >= 5.2
-        `)), "\n"),
+        `),
 	}
 
 	cmd.AddCommand(zsh.NewCommand(gf))
diff --git a/pkg/cmdutil/description.go b/pkg/cmdutil/description.go
new file mode 100644
index 0000000..a4b0737
--- /dev/null
+++ b/pkg/cmdutil/description.go
@@ -0,0 +1,14 @@
+package cmdutil
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/lithammer/dedent"
+)
+
+// LongDescription formats long multi-line description and removes
+// the left empty space from the lines
+func LongDescription(a interface{}) string {
+	return strings.TrimLeft(dedent.Dedent(fmt.Sprint(a)), "\n")
+}