feat: add manpages

go.mod

@@ -6,5 +6,8 @@ go 1.19
 
 require (
 	github.com/aymanbagabas/go-osc52 v1.2.0
+	github.com/muesli/mango v0.2.0
+	github.com/muesli/mango-pflag v0.1.0
+	github.com/muesli/roff v0.1.0
 	github.com/spf13/pflag v1.0.5
 )

go.sum

@@ -1,4 +1,10 @@
 github.com/aymanbagabas/go-osc52 v1.2.0 h1:y4lxy5qmZh7hsLj9EOgMCk2qsPE+e5bOQ8EiLy77b3E=
 github.com/aymanbagabas/go-osc52 v1.2.0/go.mod h1:zT8H+Rk4VSabYN90pWyugflM3ZhpTZNC7cASDfUCdT4=
+github.com/muesli/mango v0.2.0 h1:iNNc0c5VLQ6fsMgAqGQofByNUBH2Q2nEbD6TaI+5yyQ=
+github.com/muesli/mango v0.2.0/go.mod h1:5XFpbC8jY5UUv89YQciiXNlbi+iJgt29VDC5xbzrLL4=
+github.com/muesli/mango-pflag v0.1.0 h1:UADqbYgpUyRoBja3g6LUL+3LErjpsOwaC9ywvBWe7Sg=
+github.com/muesli/mango-pflag v0.1.0/go.mod h1:YEQomTxaCUp8PrbhFh10UfbhbQrM/xJ4i2PB8VTLLW0=
+github.com/muesli/roff v0.1.0 h1:YD0lalCotmYuF5HhZliKWlIx7IEhiXeSfq7hNjFqGF8=
+github.com/muesli/roff v0.1.0/go.mod h1:pjAHQM9hdUUwm/krAfrLGgJkXJ+YuhtsfZ42kieB2Ig=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=

main.go

@@ -9,6 +9,9 @@ import (
 	"strings"
 
 	"github.com/aymanbagabas/go-osc52"
+	"github.com/muesli/mango"
+	mpflag "github.com/muesli/mango-pflag"
+	"github.com/muesli/roff"
 	"github.com/spf13/pflag"
 )
 
@@ -23,6 +26,7 @@ var (
 	version = pflag.BoolP("version", "v", false, "Print version and exit.")
 	help    = pflag.BoolP("help", "h", false, "Print help and exit.")
 	debug   = pflag.BoolP("debug", "d", false, "Print debug information.")
+	man     = pflag.Bool("man", false, "Generate man pages.")
 )
 
 func usage(isError bool) {
@@ -47,6 +51,8 @@ func main() {
 		usage(true)
 	}
 	pflag.Parse()
+	pflag.Lookup("debug").Hidden = true
+	pflag.Lookup("man").Hidden = true
 
 	if *version {
 		fmt.Printf("%s version %s (%s)", ProjectName, Version, CommitSHA)
@@ -58,6 +64,17 @@ func main() {
 		os.Exit(0)
 	}
 
+	if *man {
+		manPage := mango.NewManPage(1, ProjectName, "Copy content to the system clipboard from any supported terminal using ANSI OSC 52 sequence.").
+			WithLongDescription(ProjectName+" a utility that copies text to your clipboard from anywhere using ANSI OSC52 sequence.").
+			WithSection("Copyright", "(C) 2022 Ayman Bagabas.\n"+
+				"Released under MIT license.")
+
+		pflag.VisitAll(mpflag.PFlagVisitor(manPage))
+		fmt.Println(manPage.Build(roff.NewDocument()))
+		os.Exit(0)
+	}
+
 	var str string
 	args := pflag.Args()
 	// read from stdin if no arguments are provided and we are not clearing the