man-page

internal/cmdmanpage/BUILD

@@ -0,0 +1,9 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["cmdmanpage.go"],
+    importpath = "github.com/motiejus/code/undocker/internal/cmdmanpage",
+    visibility = ["//src/undocker:__subpackages__"],
+    deps = ["@com_github_jessevdk_go_flags//:go_default_library"],
+)

internal/cmdmanpage/cmdmanpage.go

@@ -0,0 +1,25 @@
+package cmdmanpage
+
+import (
+	"io"
+	"os"
+
+	goflags "github.com/jessevdk/go-flags"
+)
+
+type Command struct {
+	parser *goflags.Parser
+	stdout io.Writer
+}
+
+func NewCommand(parser *goflags.Parser) *Command {
+	return &Command{
+		parser: parser,
+		stdout: os.Stdout,
+	}
+}
+
+func (c *Command) Execute(args []string) error {
+	c.parser.WriteManPage(c.stdout)
+	return nil
+}