482 lines
14 KiB
Go
482 lines
14 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package context
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import (
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"fmt"
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"io/ioutil"
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"path"
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"strings"
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"code.gitea.io/git"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/Unknwon/com"
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editorconfig "gopkg.in/editorconfig/editorconfig-core-go.v1"
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macaron "gopkg.in/macaron.v1"
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)
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// PullRequest contains informations to make a pull request
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type PullRequest struct {
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BaseRepo *models.Repository
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Allowed bool
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SameRepo bool
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HeadInfo string // [<user>:]<branch>
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}
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// Repository contains informations to operate a repository
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type Repository struct {
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AccessMode models.AccessMode
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IsWatching bool
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IsViewBranch bool
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IsViewTag bool
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IsViewCommit bool
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Repository *models.Repository
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Owner *models.User
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Commit *git.Commit
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Tag *git.Tag
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GitRepo *git.Repository
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BranchName string
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TagName string
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TreePath string
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CommitID string
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RepoLink string
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CloneLink models.CloneLink
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CommitsCount int64
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Mirror *models.Mirror
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PullRequest *PullRequest
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}
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// IsOwner returns true if current user is the owner of repository.
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func (r *Repository) IsOwner() bool {
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return r.AccessMode >= models.AccessModeOwner
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}
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// IsAdmin returns true if current user has admin or higher access of repository.
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func (r *Repository) IsAdmin() bool {
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return r.AccessMode >= models.AccessModeAdmin
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}
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// IsWriter returns true if current user has write or higher access of repository.
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func (r *Repository) IsWriter() bool {
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return r.AccessMode >= models.AccessModeWrite
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}
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// HasAccess returns true if the current user has at least read access for this repository
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func (r *Repository) HasAccess() bool {
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return r.AccessMode >= models.AccessModeRead
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}
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// CanEnableEditor returns true if repository is editable and user has proper access level.
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func (r *Repository) CanEnableEditor() bool {
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return r.Repository.CanEnableEditor() && r.IsViewBranch && r.IsWriter()
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}
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// GetEditorconfig returns the .editorconfig definition if found in the
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// HEAD of the default repo branch.
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func (r *Repository) GetEditorconfig() (*editorconfig.Editorconfig, error) {
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commit, err := r.GitRepo.GetBranchCommit(r.Repository.DefaultBranch)
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if err != nil {
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return nil, err
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}
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treeEntry, err := commit.GetTreeEntryByPath(".editorconfig")
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if err != nil {
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return nil, err
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}
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reader, err := treeEntry.Blob().Data()
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if err != nil {
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return nil, err
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}
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data, err := ioutil.ReadAll(reader)
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if err != nil {
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return nil, err
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}
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return editorconfig.ParseBytes(data)
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}
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// RetrieveBaseRepo retrieves base repository
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func RetrieveBaseRepo(ctx *Context, repo *models.Repository) {
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// Non-fork repository will not return error in this method.
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if err := repo.GetBaseRepo(); err != nil {
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if models.IsErrRepoNotExist(err) {
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repo.IsFork = false
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repo.ForkID = 0
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return
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}
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ctx.Handle(500, "GetBaseRepo", err)
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return
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} else if err = repo.BaseRepo.GetOwner(); err != nil {
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ctx.Handle(500, "BaseRepo.GetOwner", err)
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return
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}
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}
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// composeGoGetImport returns go-get-import meta content.
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func composeGoGetImport(owner, repo string) string {
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return path.Join(setting.Domain, setting.AppSubURL, owner, repo)
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}
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// earlyResponseForGoGetMeta responses appropriate go-get meta with status 200
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// if user does not have actual access to the requested repository,
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// or the owner or repository does not exist at all.
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// This is particular a workaround for "go get" command which does not respect
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// .netrc file.
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func earlyResponseForGoGetMeta(ctx *Context) {
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ctx.PlainText(200, []byte(com.Expand(`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`,
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map[string]string{
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"GoGetImport": composeGoGetImport(ctx.Params(":username"), ctx.Params(":reponame")),
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"CloneLink": models.ComposeHTTPSCloneURL(ctx.Params(":username"), ctx.Params(":reponame")),
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})))
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}
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// RepoAssignment returns a macaron to handle repository assignment
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func RepoAssignment(args ...bool) macaron.Handler {
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return func(ctx *Context) {
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var (
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displayBare bool // To display bare page if it is a bare repo.
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)
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if len(args) >= 1 {
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displayBare = args[0]
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}
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var (
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owner *models.User
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err error
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)
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userName := ctx.Params(":username")
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repoName := ctx.Params(":reponame")
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// Check if the user is the same as the repository owner
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if ctx.IsSigned && ctx.User.LowerName == strings.ToLower(userName) {
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owner = ctx.User
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} else {
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owner, err = models.GetUserByName(userName)
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if err != nil {
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if models.IsErrUserNotExist(err) {
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if ctx.Query("go-get") == "1" {
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earlyResponseForGoGetMeta(ctx)
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return
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}
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ctx.Handle(404, "GetUserByName", err)
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} else {
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ctx.Handle(500, "GetUserByName", err)
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}
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return
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}
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}
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ctx.Repo.Owner = owner
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ctx.Data["Username"] = ctx.Repo.Owner.Name
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// Get repository.
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repo, err := models.GetRepositoryByName(owner.ID, repoName)
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if err != nil {
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if models.IsErrRepoNotExist(err) {
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if ctx.Query("go-get") == "1" {
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earlyResponseForGoGetMeta(ctx)
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return
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}
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ctx.Handle(404, "GetRepositoryByName", err)
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} else {
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ctx.Handle(500, "GetRepositoryByName", err)
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}
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return
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} else if err = repo.GetOwner(); err != nil {
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ctx.Handle(500, "GetOwner", err)
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return
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}
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// Admin has super access.
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if ctx.IsSigned && ctx.User.IsAdmin {
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ctx.Repo.AccessMode = models.AccessModeOwner
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} else {
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mode, err := models.AccessLevel(ctx.User, repo)
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if err != nil {
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ctx.Handle(500, "AccessLevel", err)
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return
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}
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ctx.Repo.AccessMode = mode
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}
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// Check access.
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if ctx.Repo.AccessMode == models.AccessModeNone {
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if ctx.Query("go-get") == "1" {
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earlyResponseForGoGetMeta(ctx)
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return
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}
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ctx.Handle(404, "no access right", err)
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return
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}
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ctx.Data["HasAccess"] = true
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if repo.IsMirror {
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ctx.Repo.Mirror, err = models.GetMirrorByRepoID(repo.ID)
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if err != nil {
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ctx.Handle(500, "GetMirror", err)
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return
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}
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ctx.Data["MirrorEnablePrune"] = ctx.Repo.Mirror.EnablePrune
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ctx.Data["MirrorInterval"] = ctx.Repo.Mirror.Interval
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ctx.Data["Mirror"] = ctx.Repo.Mirror
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}
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ctx.Repo.Repository = repo
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ctx.Data["RepoName"] = ctx.Repo.Repository.Name
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ctx.Data["IsBareRepo"] = ctx.Repo.Repository.IsBare
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gitRepo, err := git.OpenRepository(models.RepoPath(userName, repoName))
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if err != nil {
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ctx.Handle(500, "RepoAssignment Invalid repo "+models.RepoPath(userName, repoName), err)
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return
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}
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ctx.Repo.GitRepo = gitRepo
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ctx.Repo.RepoLink = repo.Link()
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ctx.Data["RepoLink"] = ctx.Repo.RepoLink
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ctx.Data["RepoRelPath"] = ctx.Repo.Owner.Name + "/" + ctx.Repo.Repository.Name
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tags, err := ctx.Repo.GitRepo.GetTags()
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if err != nil {
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ctx.Handle(500, "GetTags", err)
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return
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}
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ctx.Data["Tags"] = tags
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ctx.Repo.Repository.NumTags = len(tags)
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ctx.Data["Title"] = owner.Name + "/" + repo.Name
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ctx.Data["Repository"] = repo
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ctx.Data["Owner"] = ctx.Repo.Repository.Owner
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ctx.Data["IsRepositoryOwner"] = ctx.Repo.IsOwner()
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ctx.Data["IsRepositoryAdmin"] = ctx.Repo.IsAdmin()
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ctx.Data["IsRepositoryWriter"] = ctx.Repo.IsWriter()
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ctx.Data["DisableSSH"] = setting.SSH.Disabled
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ctx.Data["DisableHTTP"] = setting.Repository.DisableHTTPGit
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ctx.Data["CloneLink"] = repo.CloneLink()
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ctx.Data["WikiCloneLink"] = repo.WikiCloneLink()
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if ctx.IsSigned {
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ctx.Data["IsWatchingRepo"] = models.IsWatching(ctx.User.ID, repo.ID)
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ctx.Data["IsStaringRepo"] = models.IsStaring(ctx.User.ID, repo.ID)
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}
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// repo is bare and display enable
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if ctx.Repo.Repository.IsBare {
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log.Debug("Bare repository: %s", ctx.Repo.RepoLink)
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// NOTE: to prevent templating error
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ctx.Data["BranchName"] = ""
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if displayBare {
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if !ctx.Repo.IsAdmin() {
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ctx.Flash.Info(ctx.Tr("repo.repo_is_empty"), true)
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}
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ctx.HTML(200, "repo/bare")
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}
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return
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}
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ctx.Data["TagName"] = ctx.Repo.TagName
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brs, err := ctx.Repo.GitRepo.GetBranches()
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if err != nil {
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ctx.Handle(500, "GetBranches", err)
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return
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}
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ctx.Data["Branches"] = brs
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ctx.Data["BrancheCount"] = len(brs)
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// If not branch selected, try default one.
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// If default branch doesn't exists, fall back to some other branch.
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if len(ctx.Repo.BranchName) == 0 {
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if len(ctx.Repo.Repository.DefaultBranch) > 0 && gitRepo.IsBranchExist(ctx.Repo.Repository.DefaultBranch) {
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ctx.Repo.BranchName = ctx.Repo.Repository.DefaultBranch
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} else if len(brs) > 0 {
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ctx.Repo.BranchName = brs[0]
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}
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}
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ctx.Data["BranchName"] = ctx.Repo.BranchName
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ctx.Data["CommitID"] = ctx.Repo.CommitID
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if repo.IsFork {
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RetrieveBaseRepo(ctx, repo)
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if ctx.Written() {
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return
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}
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}
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// People who have push access or have fored repository can propose a new pull request.
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if ctx.Repo.IsWriter() || (ctx.IsSigned && ctx.User.HasForkedRepo(ctx.Repo.Repository.ID)) {
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// Pull request is allowed if this is a fork repository
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// and base repository accepts pull requests.
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if repo.BaseRepo != nil {
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if repo.BaseRepo.AllowsPulls() {
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ctx.Data["BaseRepo"] = repo.BaseRepo
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ctx.Repo.PullRequest.BaseRepo = repo.BaseRepo
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ctx.Repo.PullRequest.Allowed = true
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ctx.Repo.PullRequest.HeadInfo = ctx.Repo.Owner.Name + ":" + ctx.Repo.BranchName
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}
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} else {
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// Or, this is repository accepts pull requests between branches.
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if repo.AllowsPulls() {
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ctx.Data["BaseRepo"] = repo
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ctx.Repo.PullRequest.BaseRepo = repo
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ctx.Repo.PullRequest.Allowed = true
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ctx.Repo.PullRequest.SameRepo = true
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ctx.Repo.PullRequest.HeadInfo = ctx.Repo.BranchName
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}
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}
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}
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ctx.Data["PullRequestCtx"] = ctx.Repo.PullRequest
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if ctx.Query("go-get") == "1" {
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ctx.Data["GoGetImport"] = composeGoGetImport(owner.Name, repo.Name)
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prefix := setting.AppURL + path.Join(owner.Name, repo.Name, "src", ctx.Repo.BranchName)
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ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
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ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
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}
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}
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}
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// RepoRef handles repository reference name including those contain `/`.
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func RepoRef() macaron.Handler {
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return func(ctx *Context) {
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// Empty repository does not have reference information.
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if ctx.Repo.Repository.IsBare {
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return
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}
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var (
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refName string
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err error
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)
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// For API calls.
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if ctx.Repo.GitRepo == nil {
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repoPath := models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
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ctx.Repo.GitRepo, err = git.OpenRepository(repoPath)
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if err != nil {
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ctx.Handle(500, "RepoRef Invalid repo "+repoPath, err)
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return
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}
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}
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// Get default branch.
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if len(ctx.Params("*")) == 0 {
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refName = ctx.Repo.Repository.DefaultBranch
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if !ctx.Repo.GitRepo.IsBranchExist(refName) {
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brs, err := ctx.Repo.GitRepo.GetBranches()
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if err != nil {
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ctx.Handle(500, "GetBranches", err)
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return
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}
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refName = brs[0]
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}
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ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
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if err != nil {
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ctx.Handle(500, "GetBranchCommit", err)
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return
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}
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ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
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ctx.Repo.IsViewBranch = true
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} else {
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hasMatched := false
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parts := strings.Split(ctx.Params("*"), "/")
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for i, part := range parts {
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refName = strings.TrimPrefix(refName+"/"+part, "/")
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if ctx.Repo.GitRepo.IsBranchExist(refName) ||
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ctx.Repo.GitRepo.IsTagExist(refName) {
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if i < len(parts)-1 {
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ctx.Repo.TreePath = strings.Join(parts[i+1:], "/")
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}
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hasMatched = true
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break
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}
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}
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if !hasMatched && len(parts[0]) == 40 {
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refName = parts[0]
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ctx.Repo.TreePath = strings.Join(parts[1:], "/")
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}
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if ctx.Repo.GitRepo.IsBranchExist(refName) {
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ctx.Repo.IsViewBranch = true
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ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
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if err != nil {
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ctx.Handle(500, "GetBranchCommit", err)
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return
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}
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ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
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} else if ctx.Repo.GitRepo.IsTagExist(refName) {
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ctx.Repo.IsViewTag = true
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ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName)
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if err != nil {
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ctx.Handle(500, "GetTagCommit", err)
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return
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}
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ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
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} else if len(refName) == 40 {
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ctx.Repo.IsViewCommit = true
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ctx.Repo.CommitID = refName
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ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetCommit(refName)
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if err != nil {
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ctx.Handle(404, "GetCommit", nil)
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return
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}
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} else {
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ctx.Handle(404, "RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
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return
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}
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}
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ctx.Repo.BranchName = refName
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ctx.Data["BranchName"] = ctx.Repo.BranchName
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ctx.Data["CommitID"] = ctx.Repo.CommitID
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ctx.Data["TreePath"] = ctx.Repo.TreePath
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ctx.Data["IsViewBranch"] = ctx.Repo.IsViewBranch
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ctx.Data["IsViewTag"] = ctx.Repo.IsViewTag
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ctx.Data["IsViewCommit"] = ctx.Repo.IsViewCommit
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ctx.Repo.CommitsCount, err = ctx.Repo.Commit.CommitsCount()
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if err != nil {
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ctx.Handle(500, "CommitsCount", err)
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return
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}
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ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
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}
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}
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// RequireRepoAdmin returns a macaron middleware for requiring repository admin permission
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func RequireRepoAdmin() macaron.Handler {
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return func(ctx *Context) {
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if !ctx.IsSigned || (!ctx.Repo.IsAdmin() && !ctx.User.IsAdmin) {
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ctx.Handle(404, ctx.Req.RequestURI, nil)
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return
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}
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}
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}
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// RequireRepoWriter returns a macaron middleware for requiring repository write permission
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func RequireRepoWriter() macaron.Handler {
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return func(ctx *Context) {
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if !ctx.IsSigned || (!ctx.Repo.IsWriter() && !ctx.User.IsAdmin) {
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ctx.Handle(404, ctx.Req.RequestURI, nil)
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return
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}
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}
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}
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// GitHookService checks if repository Git hooks service has been enabled.
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func GitHookService() macaron.Handler {
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return func(ctx *Context) {
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if !ctx.User.CanEditGitHook() {
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ctx.Handle(404, "GitHookService", nil)
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return
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}
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}
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}
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