internal: move packages under this directory (#5836)

* Rename pkg -> internal

* Rename routes -> route

* Move route -> internal/route

* Rename models -> db

* Move db -> internal/db

* Fix route2 -> route

* Move cmd -> internal/cmd

* Bump version

internal/route/api/v1/repo/branch.go

@@ -0,0 +1,55 @@
+// Copyright 2016 The Gogs 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 repo
+
+import (
+	api "github.com/gogs/go-gogs-client"
+	convert2 "gogs.io/gogs/internal/route/api/v1/convert"
+
+	"gogs.io/gogs/internal/context"
+	"gogs.io/gogs/internal/db/errors"
+)
+
+// https://github.com/gogs/go-gogs-client/wiki/Repositories#get-branch
+func GetBranch(c *context.APIContext) {
+	branch, err := c.Repo.Repository.GetBranch(c.Params("*"))
+	if err != nil {
+		if errors.IsErrBranchNotExist(err) {
+			c.Error(404, "GetBranch", err)
+		} else {
+			c.Error(500, "GetBranch", err)
+		}
+		return
+	}
+
+	commit, err := branch.GetCommit()
+	if err != nil {
+		c.Error(500, "GetCommit", err)
+		return
+	}
+
+	c.JSON(200, convert2.ToBranch(branch, commit))
+}
+
+// https://github.com/gogs/go-gogs-client/wiki/Repositories#list-branches
+func ListBranches(c *context.APIContext) {
+	branches, err := c.Repo.Repository.GetBranches()
+	if err != nil {
+		c.Error(500, "GetBranches", err)
+		return
+	}
+
+	apiBranches := make([]*api.Branch, len(branches))
+	for i := range branches {
+		commit, err := branches[i].GetCommit()
+		if err != nil {
+			c.Error(500, "GetCommit", err)
+			return
+		}
+		apiBranches[i] = convert2.ToBranch(branches[i], commit)
+	}
+
+	c.JSON(200, &apiBranches)
+}