commands: Make the gen commands non-global

See #4598

1 files changed, 43 insertions, 29 deletions

diff --git a/commands/genman.go b/commands/genman.go
index 004e669e7..fd9a49720 100644
--- a/commands/genman.go
+++ b/commands/genman.go
@@ -24,43 +24,57 @@ import (
 	jww "github.com/spf13/jwalterweatherman"
 )
 
-var genmandir string
-var genmanCmd = &cobra.Command{
-	Use:   "man",
-	Short: "Generate man pages for the Hugo CLI",
-	Long: `This command automatically generates up-to-date man pages of Hugo's
+var _ cmder = (*genManCmd)(nil)
+
+type genManCmd struct {
+	genmandir string
+	cmd       *cobra.Command
+}
+
+func (c *genManCmd) getCommand() *cobra.Command {
+	return c.cmd
+}
+
+func newGenManCmd() *genManCmd {
+	cc := &genManCmd{}
+
+	cc.cmd = &cobra.Command{
+		Use:   "man",
+		Short: "Generate man pages for the Hugo CLI",
+		Long: `This command automatically generates up-to-date man pages of Hugo's
 command-line interface.  By default, it creates the man page files
 in the "man" directory under the current directory.`,
 
-	RunE: func(cmd *cobra.Command, args []string) error {
-		header := &doc.GenManHeader{
-			Section: "1",
-			Manual:  "Hugo Manual",
-			Source:  fmt.Sprintf("Hugo %s", helpers.CurrentHugoVersion),
-		}
-		if !strings.HasSuffix(genmandir, helpers.FilePathSeparator) {
-			genmandir += helpers.FilePathSeparator
-		}
-		if found, _ := helpers.Exists(genmandir, hugofs.Os); !found {
-			jww.FEEDBACK.Println("Directory", genmandir, "does not exist, creating...")
-			if err := hugofs.Os.MkdirAll(genmandir, 0777); err != nil {
-				return err
+		RunE: func(cmd *cobra.Command, args []string) error {
+			header := &doc.GenManHeader{
+				Section: "1",
+				Manual:  "Hugo Manual",
+				Source:  fmt.Sprintf("Hugo %s", helpers.CurrentHugoVersion),
+			}
+			if !strings.HasSuffix(cc.genmandir, helpers.FilePathSeparator) {
+				cc.genmandir += helpers.FilePathSeparator
+			}
+			if found, _ := helpers.Exists(cc.genmandir, hugofs.Os); !found {
+				jww.FEEDBACK.Println("Directory", cc.genmandir, "does not exist, creating...")
+				if err := hugofs.Os.MkdirAll(cc.genmandir, 0777); err != nil {
+					return err
+				}
 			}
-		}
-		cmd.Root().DisableAutoGenTag = true
+			cmd.Root().DisableAutoGenTag = true
 
-		jww.FEEDBACK.Println("Generating Hugo man pages in", genmandir, "...")
-		doc.GenManTree(cmd.Root(), header, genmandir)
+			jww.FEEDBACK.Println("Generating Hugo man pages in", cc.genmandir, "...")
+			doc.GenManTree(cmd.Root(), header, cc.genmandir)
 
-		jww.FEEDBACK.Println("Done.")
+			jww.FEEDBACK.Println("Done.")
 
-		return nil
-	},
-}
+			return nil
+		},
+	}
 
-func init() {
-	genmanCmd.PersistentFlags().StringVar(&genmandir, "dir", "man/", "the directory to write the man pages.")
+	cc.cmd.PersistentFlags().StringVar(&cc.genmandir, "dir", "man/", "the directory to write the man pages.")
 
 	// For bash-completion
-	genmanCmd.PersistentFlags().SetAnnotation("dir", cobra.BashCompSubdirsInDir, []string{})
+	cc.cmd.PersistentFlags().SetAnnotation("dir", cobra.BashCompSubdirsInDir, []string{})
+
+	return cc
 }