Add tea open (#101)

Fix open default to home page

Improve path join and open with no arg

add labels and milestones

Add tea open

Reviewed-on: https://gitea.com/gitea/tea/pulls/101
Reviewed-by: 6543 <6543@noreply.gitea.io>
Reviewed-by: John Olheiser <john.olheiser@gmail.com>

cmd/open.go

@@ -0,0 +1,77 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"log"
+	"path"
+	"strings"
+
+	local_git "code.gitea.io/tea/modules/git"
+
+	"github.com/skratchdot/open-golang/open"
+	"github.com/urfave/cli/v2"
+)
+
+// CmdOpen represents a sub command of issues to open issue on the web browser
+var CmdOpen = cli.Command{
+	Name:        "open",
+	Usage:       "Open something of the repository on web browser",
+	Description: `Open something of the repository on web browser`,
+	Action:      runOpen,
+	Flags:       append([]cli.Flag{}, LoginRepoFlags...),
+}
+
+func runOpen(ctx *cli.Context) error {
+	login, owner, repo := initCommand()
+
+	var suffix string
+	number := ctx.Args().Get(0)
+	switch {
+	case strings.EqualFold(number, "issues"):
+		suffix = "issues"
+	case strings.EqualFold(number, "pulls"):
+		suffix = "pulls"
+	case strings.EqualFold(number, "releases"):
+		suffix = "releases"
+	case strings.EqualFold(number, "commits"):
+		b, err := local_git.GetRepoReference("./")
+		if err != nil {
+			log.Fatal(err)
+			return nil
+		}
+		name := b.Name()
+		switch {
+		case name.IsBranch():
+			suffix = "commits/branch/" + name.Short()
+		case name.IsTag():
+			suffix = "commits/tag/" + name.Short()
+		}
+	case strings.EqualFold(number, "branches"):
+		suffix = "branches"
+	case strings.EqualFold(number, "wiki"):
+		suffix = "wiki"
+	case strings.EqualFold(number, "activity"):
+		suffix = "activity"
+	case strings.EqualFold(number, "settings"):
+		suffix = "settings"
+	case strings.EqualFold(number, "labels"):
+		suffix = "labels"
+	case strings.EqualFold(number, "milestones"):
+		suffix = "milestones"
+	case number != "":
+		suffix = "issues/" + number
+	default:
+		suffix = number
+	}
+
+	u := path.Join(login.URL, owner, repo, suffix)
+	err := open.Run(u)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return nil
+}