Man pages won't have auto gen tag when option is disabled (#1104)

* Man pages wont have  auto gen tag when option is disabled

- this addresses #741

* Add documentation for doc generation and a changelog

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Cobra Changelog
+
+## Pending
+* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` @jpmcb
+
+## v1.0.0
+Announcing v1.0.0 of Cobra. 🎉
+**Notable Changes**
+* Fish completion (including support for Go custom completion) @marckhouzam
+* API (urgent): Rename BashCompDirectives to ShellCompDirectives @marckhouzam
+* Remove/replace SetOutput on Command - deprecated @jpmcb
+* add support for autolabel stale PR @xchapter7x
+* Add Labeler Actions @xchapter7x
+* Custom completions coded in Go (instead of Bash) @marckhouzam
+* Partial Revert of #922 @jharshman
+* Add Makefile to project @jharshman
+* Correct documentation for InOrStdin @desponda
+* Apply formatting to templates @jharshman
+* Revert change so help is printed on stdout again @marckhouzam
+* Update md2man to v2.0.0 @pdf
+* update viper to v1.4.0 @umarcor
+* Update cmd/root.go example in README.md @jharshman

README.md

@@ -718,11 +718,7 @@ Run 'kubectl help' for usage.
 
 ## Generating documentation for your command
 
-Cobra can generate documentation based on subcommands, flags, etc. in the following formats:
-
-- [Markdown](doc/md_docs.md)
-- [ReStructured Text](doc/rest_docs.md)
-- [Man Page](doc/man_docs.md)
+Cobra can generate documentation based on subcommands, flags, etc. Read more about it in the [docs generation documentation](doc/README.md).
 
 ## Generating bash completions
 

doc/README.md

@@ -0,0 +1,12 @@
+# Documentation generation
+
+- [Man page docs](./man_docs.md)
+- [Markdown docs](./md_docs.md)
+- [Rest docs](./rest_docs.md)
+- [Yaml docs](./yaml_docs.md)
+
+## Options
+### `DisableAutoGenTag`
+You may set `cmd.DisableAutoGenTag = true`
+to _entirely_ remove the auto generated string "Auto generated by spf13/cobra..."
+from any documentation source.

doc/man_docs.go

@@ -105,7 +105,7 @@ func GenMan(cmd *cobra.Command, header *GenManHeader, w io.Writer) error {
 	if header == nil {
 		header = &GenManHeader{}
 	}
-	if err := fillHeader(header, cmd.CommandPath()); err != nil {
+	if err := fillHeader(header, cmd.CommandPath(), cmd.DisableAutoGenTag); err != nil {
 		return err
 	}
 
@@ -114,7 +114,7 @@ func GenMan(cmd *cobra.Command, header *GenManHeader, w io.Writer) error {
 	return err
 }
 
-func fillHeader(header *GenManHeader, name string) error {
+func fillHeader(header *GenManHeader, name string, disableAutoGen bool) error {
 	if header.Title == "" {
 		header.Title = strings.ToUpper(strings.Replace(name, " ", "\\-", -1))
 	}
@@ -133,7 +133,7 @@ func fillHeader(header *GenManHeader, name string) error {
 		header.Date = &now
 	}
 	header.date = (*header.Date).Format("Jan 2006")
-	if header.Source == "" {
+	if header.Source == "" && !disableAutoGen {
 		header.Source = "Auto generated by spf13/cobra"
 	}
 	return nil

doc/man_docs_test.go

@@ -101,6 +101,8 @@ func TestGenManNoGenTag(t *testing.T) {
 
 	unexpected := translate("#HISTORY")
 	checkStringOmits(t, output, unexpected)
+	unexpected = translate("Auto generated by spf13/cobra")
+	checkStringOmits(t, output, unexpected)
 }
 
 func TestGenManSeeAlso(t *testing.T) {