feat: implement gno bug

gnovm/cmd/gno/bug.go

@@ -0,0 +1,129 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"net/url"
+	"os/exec"
+	"runtime"
+	"strings"
+	"text/template"
+
+	"github.com/gnolang/gno/tm2/pkg/commands"
+)
+
+const bugTmpl = `## [Subject of the issue]
+
+### Description
+
+Describe your issue in as much detail as possible here
+
+### Your environment
+
+* go version {{.GoVersion}} {{.Os}}/{{.Arch}}
+* version of gno
+* branch that causes this issue (with the commit hash)
+
+### Steps to reproduce
+
+* Tell us how to reproduce this issue
+* Where the issue is, if you know
+* Which commands triggered the issue, if any
+
+### Expected behaviour
+
+Tell us what should happen
+
+### Actual behaviour
+
+Tell us what happens instead
+
+### Logs
+
+Please paste any logs here that demonstrate the issue, if they exist
+
+### Proposed solution
+
+If you have an idea of how to fix this issue, please write it down here, so we can begin discussing it
+
+`
+
+type bugCfg struct {
+	skipBrowser bool
+}
+
+func newBugCmd(io commands.IO) *commands.Command {
+	cfg := &bugCfg{}
+	return commands.NewCommand(
+		commands.Metadata{
+			Name:       "bug",
+			ShortUsage: "bug",
+			ShortHelp:  "Start a bug report",
+		},
+		cfg,
+		func(_ context.Context, args []string) error {
+			return execBug(cfg, args, io)
+		},
+	)
+}
+
+func (c *bugCfg) RegisterFlags(fs *flag.FlagSet) {
+	fs.BoolVar(
+		&c.skipBrowser,
+		"skip-browser",
+		false,
+		"do not open the browser",
+	)
+}
+
+func execBug(cfg *bugCfg, args []string, io commands.IO) error {
+	if len(args) != 0 {
+		return flag.ErrHelp
+	}
+
+	bugReportEnv := struct { // TODO: include gno version or commit?
+		Os, Arch, GoVersion string
+	}{
+		runtime.GOOS,
+		runtime.GOARCH,
+		runtime.Version(),
+	}
+
+	var buf strings.Builder
+	tmpl, err := template.New("bug.tmpl").Parse(bugTmpl)
+	if err != nil {
+		return err
+	}
+	tmpl.Execute(&buf, bugReportEnv)
+
+	body := buf.String()
+	url := "https://github.com/gnolang/gno/issues/new?body=" + url.QueryEscape(body)
+
+	if !cfg.skipBrowser {
+		// Try opening browser (ignore error)
+		_ = openBrowser(url)
+	}
+
+	// Print on console, regardless if the browser opened or not
+	io.Println("Please file a new issue at github.com/gnolang/gno/issues/new using this template:")
+	io.Println()
+	io.Println(body)
+
+	return nil
+}
+
+// openBrowser opens a default web browser with the specified URL.
+func openBrowser(url string) error {
+	var cmdArgs []string
+	switch runtime.GOOS {
+	case "windows":
+		cmdArgs = []string{"cmd", "/c", "start", url}
+	case "darwin":
+		cmdArgs = []string{"/usr/bin/open", url}
+	default: // "linux"
+		cmdArgs = []string{"xdg-open", url}
+	}
+
+	cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
+	return cmd.Start()
+}

gnovm/cmd/gno/bug_test.go

@@ -0,0 +1,21 @@
+package main
+
+import "testing"
+
+func TestBugApp(t *testing.T) {
+	tc := []testMainCase{
+		{
+			args:        []string{"bug -h"},
+			errShouldBe: "flag: help requested",
+		},
+		{
+			args:        []string{"bug unknown"},
+			errShouldBe: "flag: help requested",
+		},
+		{
+			args:                []string{"bug", "-skip-browser"},
+			stdoutShouldContain: "go version go1.",
+		},
+	}
+	testMainCaseRun(t, tc)
+}

gnovm/cmd/gno/main.go

@@ -33,6 +33,7 @@ func newGnocliCmd(io commands.IO) *commands.Command {
 		newReplCmd(),
 		newDocCmd(io),
 		newEnvCmd(io),
+		newBugCmd(io),
 		// fmt -- gofmt
 		// graph
 		// vendor -- download deps from the chain in vendor/
@@ -41,8 +42,7 @@ func newGnocliCmd(io commands.IO) *commands.Command {
 		// publish/release
 		// generate
 		// "vm" -- starts an in-memory chain that can be interacted with?
-		// bug -- start a bug report
-		// version -- show gno, golang versions
+		// version -- show gnodev, golang versions
 	)
 
 	return cmd