this should now open the browser automatically

framework/framework.go

@@ -4,9 +4,10 @@ import "io"
 
 // Flag is used by many of the framework generators
 type Flag struct {
-	Embed  bool
-	Minify bool
-	Hot    bool
+	Embed        bool
+	Minify       bool
+	Hot          bool
+	Noautolaunch bool
 
 	// Comes from *bud.Input
 	Stdin  io.Reader

go.mod

@@ -23,6 +23,7 @@ require (
 	github.com/matthewmueller/gotext v0.0.0-20210424201144-265ed61725ac
 	github.com/matthewmueller/text v0.0.0-20210424201111-ec1e4af8dfe8
 	github.com/otiai10/copy v1.7.0
+	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8
 	github.com/pointlander/peg v1.0.1
 	github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06
 	github.com/timewasted/go-accept-headers v0.0.0-20130320203746-c78f304b1b09

go.sum

@@ -76,6 +76,8 @@ github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6
 github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
 github.com/otiai10/mint v1.3.3 h1:7JgpsBaN0uMkyju4tbYHu0mnM55hNKVYLsXmwr15NQI=
 github.com/otiai10/mint v1.3.3/go.mod h1:/yxELlJQ0ufhjUwhshSj+wFjZ78CnZ48/1wtmBH1OTc=
+github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 h1:KoWmjvw+nsYOo29YJK9vDA65RGE3NrOnUtO7a+RF9HU=
+github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8/go.mod h1:HKlIX3XHQyzLZPlr7++PzdhaXEj94dEiJgZDTsxEqUI=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -132,6 +134,7 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210616045830-e2b7044e8c71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/cli/cli.go

@@ -63,6 +63,7 @@ func (c *CLI) Run(ctx context.Context, args ...string) error {
 		cli.Flag("embed", "embed assets").Bool(&cmd.Flag.Embed).Default(false)
 		cli.Flag("hot", "hot reloading").Bool(&cmd.Flag.Hot).Default(true)
 		cli.Flag("minify", "minify assets").Bool(&cmd.Flag.Minify).Default(false)
+		cli.Flag("noautolaunch", "don't autolaunch browser").Bool(&cmd.Flag.Noautolaunch).Default(false)
 		cli.Flag("listen", "address to listen to").String(&cmd.Listen).Default(":3000")
 		cli.Run(cmd.Run)
 	}

internal/cli/run/run.go

@@ -8,8 +8,6 @@ import (
 	"path/filepath"
 	"time"
 
-	"golang.org/x/sync/errgroup"
-
 	"github.com/livebud/bud/framework"
 	"github.com/livebud/bud/framework/web/webrt"
 	"github.com/livebud/bud/internal/bfs"
@@ -26,6 +24,8 @@ import (
 	"github.com/livebud/bud/package/log"
 	"github.com/livebud/bud/package/socket"
 	"github.com/livebud/bud/package/watcher"
+	"github.com/pkg/browser"
+	"golang.org/x/sync/errgroup"
 )
 
 // New command for bud run.
@@ -150,6 +150,15 @@ func (c *Command) Run(ctx context.Context) (err error) {
 	// Start the internal app server
 	eg.Go(func() error { return appServer.Run(ctx) })
 	// Wait until either the hot or web server exits
+
+	// Launch browser unless we're told not to
+	if !c.Flag.Noautolaunch { // if not not autolaunch, i.e. if autolaunch
+		go func() {
+			time.Sleep(1 * time.Second)
+			_ = browser.OpenURL("http://" + webln.Addr().String())
+		}()
+	}
+
 	err = eg.Wait()
 	log.Field("error", err).Debug("run: command finished")
 	return err