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339 lines
10 KiB
339 lines
10 KiB
// Copyright 2019 The Gitea 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 repo
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import (
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"path"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/services/gitdiff"
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)
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const (
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tplCompare base.TplName = "repo/diff/compare"
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)
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// ParseCompareInfo parse compare info between two commit for preparing comparing references
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func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *git.Repository, *git.CompareInfo, string, string) {
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baseRepo := ctx.Repo.Repository
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// Get compared branches information
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// format: <base branch>...[<head repo>:]<head branch>
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// base<-head: master...head:feature
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// same repo: master...feature
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var (
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headUser *models.User
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headBranch string
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isSameRepo bool
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infoPath string
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err error
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)
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infoPath = ctx.Params("*")
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infos := strings.Split(infoPath, "...")
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if len(infos) != 2 {
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log.Trace("ParseCompareInfo[%d]: not enough compared branches information %s", baseRepo.ID, infos)
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ctx.NotFound("CompareAndPullRequest", nil)
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return nil, nil, nil, nil, "", ""
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}
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baseBranch := infos[0]
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ctx.Data["BaseBranch"] = baseBranch
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// If there is no head repository, it means compare between same repository.
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headInfos := strings.Split(infos[1], ":")
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if len(headInfos) == 1 {
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isSameRepo = true
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headUser = ctx.Repo.Owner
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headBranch = headInfos[0]
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} else if len(headInfos) == 2 {
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headUser, err = models.GetUserByName(headInfos[0])
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.NotFound("GetUserByName", nil)
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} else {
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ctx.ServerError("GetUserByName", err)
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}
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return nil, nil, nil, nil, "", ""
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}
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headBranch = headInfos[1]
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isSameRepo = headUser.ID == ctx.Repo.Owner.ID
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} else {
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ctx.NotFound("CompareAndPullRequest", nil)
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return nil, nil, nil, nil, "", ""
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}
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ctx.Data["HeadUser"] = headUser
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ctx.Data["HeadBranch"] = headBranch
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ctx.Repo.PullRequest.SameRepo = isSameRepo
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// Check if base branch is valid.
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baseIsCommit := ctx.Repo.GitRepo.IsCommitExist(baseBranch)
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baseIsBranch := ctx.Repo.GitRepo.IsBranchExist(baseBranch)
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baseIsTag := ctx.Repo.GitRepo.IsTagExist(baseBranch)
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if !baseIsCommit && !baseIsBranch && !baseIsTag {
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// Check if baseBranch is short sha commit hash
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if baseCommit, _ := ctx.Repo.GitRepo.GetCommit(baseBranch); baseCommit != nil {
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baseBranch = baseCommit.ID.String()
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ctx.Data["BaseBranch"] = baseBranch
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baseIsCommit = true
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} else {
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ctx.NotFound("IsRefExist", nil)
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return nil, nil, nil, nil, "", ""
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}
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}
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ctx.Data["BaseIsCommit"] = baseIsCommit
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ctx.Data["BaseIsBranch"] = baseIsBranch
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ctx.Data["BaseIsTag"] = baseIsTag
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// Check if current user has fork of repository or in the same repository.
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headRepo, has := models.HasForkedRepo(headUser.ID, baseRepo.ID)
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if !has && !isSameRepo {
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ctx.Data["PageIsComparePull"] = false
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}
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var headGitRepo *git.Repository
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if isSameRepo {
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headRepo = ctx.Repo.Repository
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headGitRepo = ctx.Repo.GitRepo
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ctx.Data["BaseName"] = headUser.Name
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} else {
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headGitRepo, err = git.OpenRepository(models.RepoPath(headUser.Name, headRepo.Name))
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ctx.Data["BaseName"] = baseRepo.OwnerName
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if err != nil {
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ctx.ServerError("OpenRepository", err)
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return nil, nil, nil, nil, "", ""
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}
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}
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// user should have permission to read baseRepo's codes and pulls, NOT headRepo's
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permBase, err := models.GetUserRepoPermission(baseRepo, ctx.User)
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if err != nil {
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ctx.ServerError("GetUserRepoPermission", err)
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return nil, nil, nil, nil, "", ""
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}
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if !permBase.CanRead(models.UnitTypeCode) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User: %-v cannot read code in Repo: %-v\nUser in baseRepo has Permissions: %-+v",
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ctx.User,
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baseRepo,
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permBase)
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}
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ctx.NotFound("ParseCompareInfo", nil)
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return nil, nil, nil, nil, "", ""
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}
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// user should have permission to read headrepo's codes
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permHead, err := models.GetUserRepoPermission(headRepo, ctx.User)
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if err != nil {
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ctx.ServerError("GetUserRepoPermission", err)
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return nil, nil, nil, nil, "", ""
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}
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if !permHead.CanRead(models.UnitTypeCode) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User: %-v cannot read code in Repo: %-v\nUser in headRepo has Permissions: %-+v",
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ctx.User,
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headRepo,
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permHead)
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}
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ctx.NotFound("ParseCompareInfo", nil)
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return nil, nil, nil, nil, "", ""
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}
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// Check if head branch is valid.
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headIsCommit := ctx.Repo.GitRepo.IsCommitExist(headBranch)
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headIsBranch := headGitRepo.IsBranchExist(headBranch)
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headIsTag := headGitRepo.IsTagExist(headBranch)
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if !headIsCommit && !headIsBranch && !headIsTag {
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// Check if headBranch is short sha commit hash
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if headCommit, _ := ctx.Repo.GitRepo.GetCommit(headBranch); headCommit != nil {
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headBranch = headCommit.ID.String()
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ctx.Data["HeadBranch"] = headBranch
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headIsCommit = true
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} else {
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ctx.NotFound("IsRefExist", nil)
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return nil, nil, nil, nil, "", ""
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}
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}
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ctx.Data["HeadIsCommit"] = headIsCommit
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ctx.Data["HeadIsBranch"] = headIsBranch
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ctx.Data["HeadIsTag"] = headIsTag
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// Treat as pull request if both references are branches
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if ctx.Data["PageIsComparePull"] == nil {
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ctx.Data["PageIsComparePull"] = headIsBranch && baseIsBranch
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}
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if ctx.Data["PageIsComparePull"] == true && !permBase.CanReadIssuesOrPulls(true) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User: %-v cannot create/read pull requests in Repo: %-v\nUser in baseRepo has Permissions: %-+v",
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ctx.User,
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baseRepo,
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permBase)
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}
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ctx.NotFound("ParseCompareInfo", nil)
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return nil, nil, nil, nil, "", ""
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}
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compareInfo, err := headGitRepo.GetCompareInfo(models.RepoPath(baseRepo.Owner.Name, baseRepo.Name), baseBranch, headBranch)
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if err != nil {
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ctx.ServerError("GetCompareInfo", err)
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return nil, nil, nil, nil, "", ""
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}
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ctx.Data["BeforeCommitID"] = compareInfo.MergeBase
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return headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch
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}
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// PrepareCompareDiff renders compare diff page
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func PrepareCompareDiff(
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ctx *context.Context,
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headUser *models.User,
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headRepo *models.Repository,
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headGitRepo *git.Repository,
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compareInfo *git.CompareInfo,
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baseBranch, headBranch string) bool {
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var (
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repo = ctx.Repo.Repository
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err error
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title string
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)
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// Get diff information.
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ctx.Data["CommitRepoLink"] = headRepo.Link()
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headCommitID := headBranch
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if ctx.Data["HeadIsCommit"] == false {
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if ctx.Data["HeadIsTag"] == true {
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headCommitID, err = headGitRepo.GetTagCommitID(headBranch)
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} else {
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headCommitID, err = headGitRepo.GetBranchCommitID(headBranch)
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}
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if err != nil {
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ctx.ServerError("GetRefCommitID", err)
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return false
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}
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}
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ctx.Data["AfterCommitID"] = headCommitID
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if headCommitID == compareInfo.MergeBase {
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ctx.Data["IsNothingToCompare"] = true
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return true
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}
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diff, err := gitdiff.GetDiffRange(models.RepoPath(headUser.Name, headRepo.Name),
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compareInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
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setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
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if err != nil {
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ctx.ServerError("GetDiffRange", err)
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return false
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}
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ctx.Data["Diff"] = diff
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ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
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headCommit, err := headGitRepo.GetCommit(headCommitID)
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if err != nil {
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ctx.ServerError("GetCommit", err)
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return false
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}
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compareInfo.Commits = models.ValidateCommitsWithEmails(compareInfo.Commits)
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compareInfo.Commits = models.ParseCommitsWithSignature(compareInfo.Commits)
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compareInfo.Commits = models.ParseCommitsWithStatus(compareInfo.Commits, headRepo)
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ctx.Data["Commits"] = compareInfo.Commits
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ctx.Data["CommitCount"] = compareInfo.Commits.Len()
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if ctx.Data["CommitCount"] == 0 {
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ctx.Data["PageIsComparePull"] = false
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}
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if compareInfo.Commits.Len() == 1 {
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c := compareInfo.Commits.Front().Value.(models.SignCommitWithStatuses)
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title = strings.TrimSpace(c.UserCommit.Summary())
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body := strings.Split(strings.TrimSpace(c.UserCommit.Message()), "\n")
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if len(body) > 1 {
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ctx.Data["content"] = strings.Join(body[1:], "\n")
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}
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} else {
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title = headBranch
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}
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ctx.Data["title"] = title
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ctx.Data["Username"] = headUser.Name
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ctx.Data["Reponame"] = headRepo.Name
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ctx.Data["IsImageFile"] = headCommit.IsImageFile
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headTarget := path.Join(headUser.Name, repo.Name)
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ctx.Data["SourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", headCommitID)
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ctx.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", compareInfo.MergeBase)
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ctx.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", "commit", headCommitID)
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return false
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}
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// CompareDiff show different from one commit to another commit
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func CompareDiff(ctx *context.Context) {
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headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch := ParseCompareInfo(ctx)
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if ctx.Written() {
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return
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}
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nothingToCompare := PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch)
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if ctx.Written() {
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return
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}
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if ctx.Data["PageIsComparePull"] == true {
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headBranches, err := headGitRepo.GetBranches()
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if err != nil {
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ctx.ServerError("GetBranches", err)
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return
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}
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ctx.Data["HeadBranches"] = headBranches
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pr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch)
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if err != nil {
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if !models.IsErrPullRequestNotExist(err) {
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ctx.ServerError("GetUnmergedPullRequest", err)
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return
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}
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} else {
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ctx.Data["HasPullRequest"] = true
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ctx.Data["PullRequest"] = pr
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ctx.HTML(200, tplCompareDiff)
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return
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}
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if !nothingToCompare {
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// Setup information for new form.
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RetrieveRepoMetas(ctx, ctx.Repo.Repository)
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if ctx.Written() {
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return
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}
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}
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}
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beforeCommitID := ctx.Data["BeforeCommitID"].(string)
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afterCommitID := ctx.Data["AfterCommitID"].(string)
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ctx.Data["Title"] = "Comparing " + base.ShortSha(beforeCommitID) + "..." + base.ShortSha(afterCommitID)
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ctx.Data["IsRepoToolbarCommits"] = true
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ctx.Data["IsDiffCompare"] = true
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ctx.Data["RequireHighlightJS"] = true
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ctx.Data["RequireTribute"] = true
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ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
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setTemplateIfExists(ctx, pullRequestTemplateKey, pullRequestTemplateCandidates)
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renderAttachmentSettings(ctx)
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ctx.HTML(200, tplCompare)
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}
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