From e5bf4281b5519d845dd85a153831ba5cc1117590 Mon Sep 17 00:00:00 2001
From: Unknwon <u@gogs.io>
Date: Sun, 7 Aug 2016 14:29:16 -0700
Subject: [PATCH] #2825 early response 200 when ?go-get=1

---
 README.md               |  2 +-
 gogs.go                 |  2 +-
 models/repo.go          |  7 ++++++-
 modules/context/repo.go | 33 ++++++++++++++++++++++++++++++++-
 templates/.VERSION      |  2 +-
 5 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index daa372c240b1..a593274ca3bc 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Gogs - Go Git Service [![Build Status](https://travis-ci.org/gogits/gogs.svg?bra
 
 ![](https://github.com/gogits/gogs/blob/master/public/img/gogs-large-resize.png?raw=true)
 
-##### Current tip version: 0.9.66 (see [Releases](https://github.com/gogits/gogs/releases) for binary versions)
+##### Current tip version: 0.9.67 (see [Releases](https://github.com/gogits/gogs/releases) for binary versions)
 
 | Web | UI  | Preview  |
 |:-------------:|:-------:|:-------:|
diff --git a/gogs.go b/gogs.go
index 6f5f4a434a39..0e850eb2d736 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.9.66.0806"
+const APP_VER = "0.9.67.0806"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
diff --git a/models/repo.go b/models/repo.go
index 02b4e9fbc76f..7de9499ae5d0 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -494,6 +494,11 @@ type CloneLink struct {
 	Git   string
 }
 
+// ComposeHTTPSCloneURL returns HTTPS clone URL based on given owner and repository name.
+func ComposeHTTPSCloneURL(owner, repo string) string {
+	return fmt.Sprintf("%s%s/%s.git", setting.AppUrl, owner, repo)
+}
+
 func (repo *Repository) cloneLink(isWiki bool) *CloneLink {
 	repoName := repo.Name
 	if isWiki {
@@ -507,7 +512,7 @@ func (repo *Repository) cloneLink(isWiki bool) *CloneLink {
 	} else {
 		cl.SSH = fmt.Sprintf("%s@%s:%s/%s.git", setting.RunUser, setting.SSH.Domain, repo.Owner.Name, repoName)
 	}
-	cl.HTTPS = fmt.Sprintf("%s%s/%s.git", setting.AppUrl, repo.Owner.Name, repoName)
+	cl.HTTPS = ComposeHTTPSCloneURL(repo.Owner.Name, repo.Name)
 	return cl
 }
 
diff --git a/modules/context/repo.go b/modules/context/repo.go
index 949913273ce7..bc58b490eb9d 100644
--- a/modules/context/repo.go
+++ b/modules/context/repo.go
@@ -9,6 +9,7 @@ import (
 	"path"
 	"strings"
 
+	"github.com/Unknwon/com"
 	"gopkg.in/macaron.v1"
 
 	"github.com/gogits/git-module"
@@ -84,6 +85,24 @@ func RetrieveBaseRepo(ctx *Context, repo *models.Repository) {
 	}
 }
 
+// composeGoGetImport returns go-get-import meta content.
+func composeGoGetImport(owner, repo string) string {
+	return path.Join(setting.Domain, setting.AppSubUrl, owner, repo)
+}
+
+// earlyResponseForGoGetMeta responses appropriate go-get meta with status 200
+// if user does not have actual access to the requested repository,
+// or the owner or repository does not exist at all.
+// This is particular a workaround for "go get" command which does not respect
+// .netrc file.
+func earlyResponseForGoGetMeta(ctx *Context) {
+	ctx.PlainText(200, []byte(com.Expand(`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`,
+		map[string]string{
+			"GoGetImport": composeGoGetImport(ctx.Params(":username"), ctx.Params(":reponame")),
+			"CloneLink":   models.ComposeHTTPSCloneURL(ctx.Params(":username"), ctx.Params(":reponame")),
+		})))
+}
+
 func RepoAssignment(args ...bool) macaron.Handler {
 	return func(ctx *Context) {
 		var (
@@ -112,6 +131,10 @@ func RepoAssignment(args ...bool) macaron.Handler {
 			owner, err = models.GetUserByName(userName)
 			if err != nil {
 				if models.IsErrUserNotExist(err) {
+					if ctx.Query("go-get") == "1" {
+						earlyResponseForGoGetMeta(ctx)
+						return
+					}
 					ctx.Handle(404, "GetUserByName", err)
 				} else {
 					ctx.Handle(500, "GetUserByName", err)
@@ -125,6 +148,10 @@ func RepoAssignment(args ...bool) macaron.Handler {
 		repo, err := models.GetRepositoryByName(owner.ID, repoName)
 		if err != nil {
 			if models.IsErrRepoNotExist(err) {
+				if ctx.Query("go-get") == "1" {
+					earlyResponseForGoGetMeta(ctx)
+					return
+				}
 				ctx.Handle(404, "GetRepositoryByName", err)
 			} else {
 				ctx.Handle(500, "GetRepositoryByName", err)
@@ -149,6 +176,10 @@ func RepoAssignment(args ...bool) macaron.Handler {
 
 		// Check access.
 		if ctx.Repo.AccessMode == models.ACCESS_MODE_NONE {
+			if ctx.Query("go-get") == "1" {
+				earlyResponseForGoGetMeta(ctx)
+				return
+			}
 			ctx.Handle(404, "no access right", err)
 			return
 		}
@@ -269,7 +300,7 @@ func RepoAssignment(args ...bool) macaron.Handler {
 		ctx.Data["PullRequestCtx"] = ctx.Repo.PullRequest
 
 		if ctx.Query("go-get") == "1" {
-			ctx.Data["GoGetImport"] = path.Join(setting.Domain, setting.AppSubUrl, owner.Name, repo.Name)
+			ctx.Data["GoGetImport"] = composeGoGetImport(owner.Name, repo.Name)
 			prefix := setting.AppUrl + path.Join(owner.Name, repo.Name, "src", ctx.Repo.BranchName)
 			ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
 			ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
diff --git a/templates/.VERSION b/templates/.VERSION
index f9b30b1cf689..a6c0a2d1e5d0 100644
--- a/templates/.VERSION
+++ b/templates/.VERSION
@@ -1 +1 @@
-0.9.66.0806
\ No newline at end of file
+0.9.67.0806
\ No newline at end of file