Improve boolean flag documentation generation

Update the documentation generation logic to include values in Type and Default columns for boolean flags that have true as a default value.
This change addresses the need for users to differentiate between boolean flags that require explicit negation.

Signed-off-by: George Margaritis <gmargaritis@protonmail.com>

Author: gmargaritis

clidocstool_md.go

@@ -241,7 +241,7 @@ func mdCmdOutput(cmd *cobra.Command, old string) (string, error) {
 			name += mdMakeLink("`--"+f.Name+"`", f.Name, f, isLink)
 
 			var ftype string
-			if f.Value.Type() != "bool" {
+			if f.Value.Type() != "bool" || (f.Value.Type() == "bool" && f.DefValue == "true") {
 				ftype = "`" + f.Value.Type() + "`"
 			}
 
@@ -253,7 +253,7 @@ func mdCmdOutput(cmd *cobra.Command, old string) (string, error) {
 				} else if cd, ok := cmd.Annotations[annotation.CodeDelimiter]; ok {
 					defval = strings.ReplaceAll(defval, cd, "`")
 				}
-			} else if f.DefValue != "" && (f.Value.Type() != "bool" && f.DefValue != "true") && f.DefValue != "[]" {
+			} else if f.DefValue != "" && ((f.Value.Type() != "bool" && f.DefValue != "true") || (f.Value.Type() == "bool" && f.DefValue == "true")) && f.DefValue != "[]" {
 				defval = "`" + f.DefValue + "`"
 			}
 

clidocstool_test.go

@@ -137,6 +137,8 @@ format: "default|<id>[=<socket>|<key>[,<key>]]"`)
 
 	buildxBuildFlags.StringVar(&ignore, "ulimit", "", "Ulimit options")
 
+	buildxBuildFlags.BoolVar(&ignoreBool, "detach", true, "Dummy flag that tests boolean flags with true as default")
+
 	// hidden flags
 	buildxBuildFlags.BoolVar(&ignoreBool, "compress", false, "Compress the build context using gzip")
 	buildxBuildFlags.MarkHidden("compress")

fixtures/buildx_build.md

@@ -18,6 +18,7 @@ Start a build
 | `--cache-from`                                                                                                                                                                               | `stringArray` |           | External cache sources (e.g., `user/app:cache`, `type=local,src=path/to/dir`)                        |
 | `--cache-to`                                                                                                                                                                                 | `stringArray` |           | Cache export destinations (e.g., `user/app:cache`, `type=local,dest=path/to/dir`)                    |
 | [`--cgroup-parent`](https://docs.docker.com/engine/reference/commandline/build/#use-a-custom-parent-cgroup---cgroup-parent)                                                                  | `string`      |           | Optional parent cgroup for the container                                                             |
+| `--detach`                                                                                                                                                                                   | `bool`        | `true`    | Dummy flag that tests boolean flags with true as default                                             |
 | [`-f`](https://docs.docker.com/engine/reference/commandline/build/#specify-a-dockerfile--f), [`--file`](https://docs.docker.com/engine/reference/commandline/build/#specify-a-dockerfile--f) | `string`      |           | Name of the Dockerfile (default: `PATH/Dockerfile`)                                                  |
 | `--iidfile`                                                                                                                                                                                  | `string`      |           | Write the image ID to the file                                                                       |
 | `--label`                                                                                                                                                                                    | `stringArray` |           | Set metadata for an image                                                                            |

fixtures/docker_buildx_build.yaml

@@ -130,6 +130,16 @@ options:
       experimentalcli: false
       kubernetes: false
       swarm: false
+    - option: detach
+      value_type: bool
+      default_value: "true"
+      description: Dummy flag that tests boolean flags with true as default
+      deprecated: false
+      hidden: false
+      experimental: false
+      experimentalcli: false
+      kubernetes: false
+      swarm: false
     - option: file
       shorthand: f
       value_type: string