mirror of
				https://codeberg.org/forgejo/forgejo.git
				synced 2025-11-04 00:11:04 +00:00 
			
		
		
		
	* Resolve error when comparing images Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Check blob existence instead of git-ls when checking if file exists Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Show file metadata also when a file was newly added Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Fixes error in commit view Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Excludes assigning path and image infos for compare routers to service package Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Removes nil default and fixes import order Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Adds missing comments Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Moves methods for assigning compare data to context into repo router package Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com> * Show image compare for deleted images as well. Simplify check if image should be displayed Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>
		
			
				
	
	
		
			397 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			397 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// 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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	"fmt"
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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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// setPathsCompareContext sets context data for source and raw paths
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func setPathsCompareContext(ctx *context.Context, base *git.Commit, head *git.Commit, headTarget string) {
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	sourcePath := setting.AppSubURL + "/%s/src/commit/%s"
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	rawPath := setting.AppSubURL + "/%s/raw/commit/%s"
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	ctx.Data["SourcePath"] = fmt.Sprintf(sourcePath, headTarget, head.ID)
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	ctx.Data["RawPath"] = fmt.Sprintf(rawPath, headTarget, head.ID)
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	if base != nil {
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		baseTarget := path.Join(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
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		ctx.Data["BeforeSourcePath"] = fmt.Sprintf(sourcePath, baseTarget, base.ID)
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		ctx.Data["BeforeRawPath"] = fmt.Sprintf(rawPath, baseTarget, base.ID)
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	}
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}
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// setImageCompareContext sets context data that is required by image compare template
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func setImageCompareContext(ctx *context.Context, base *git.Commit, head *git.Commit) {
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	ctx.Data["IsImageFileInHead"] = head.IsImageFile
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	ctx.Data["IsImageFileInBase"] = base.IsImageFile
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	ctx.Data["ImageInfoBase"] = func(name string) *git.ImageMetaData {
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		if base == nil {
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			return nil
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		}
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		result, err := base.ImageInfo(name)
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		if err != nil {
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			log.Error("ImageInfo failed: %v", err)
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			return nil
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		}
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		return result
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	}
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	ctx.Data["ImageInfo"] = func(name string) *git.ImageMetaData {
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		result, err := head.ImageInfo(name)
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		if err != nil {
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			log.Error("ImageInfo failed: %v", err)
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			return nil
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		}
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		return result
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	}
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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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	baseGitRepo := ctx.Repo.GitRepo
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	baseCommitID := baseBranch
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	if ctx.Data["BaseIsCommit"] == false {
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		if ctx.Data["BaseIsTag"] == true {
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			baseCommitID, err = baseGitRepo.GetTagCommitID(baseBranch)
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		} else {
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			baseCommitID, err = baseGitRepo.GetBranchCommitID(baseBranch)
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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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	baseCommit, err := baseGitRepo.GetCommit(baseCommitID)
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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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	setImageCompareContext(ctx, baseCommit, headCommit)
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	headTarget := path.Join(headUser.Name, repo.Name)
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	setPathsCompareContext(ctx, baseCommit, headCommit, headTarget)
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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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						|
	}
 | 
						|
 | 
						|
	if ctx.Data["PageIsComparePull"] == true {
 | 
						|
		headBranches, err := headGitRepo.GetBranches()
 | 
						|
		if err != nil {
 | 
						|
			ctx.ServerError("GetBranches", err)
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						|
			return
 | 
						|
		}
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						|
		ctx.Data["HeadBranches"] = headBranches
 | 
						|
 | 
						|
		pr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch)
 | 
						|
		if err != nil {
 | 
						|
			if !models.IsErrPullRequestNotExist(err) {
 | 
						|
				ctx.ServerError("GetUnmergedPullRequest", err)
 | 
						|
				return
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			ctx.Data["HasPullRequest"] = true
 | 
						|
			ctx.Data["PullRequest"] = pr
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						|
			ctx.HTML(200, tplCompareDiff)
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						|
			return
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						|
		}
 | 
						|
 | 
						|
		if !nothingToCompare {
 | 
						|
			// Setup information for new form.
 | 
						|
			RetrieveRepoMetas(ctx, ctx.Repo.Repository)
 | 
						|
			if ctx.Written() {
 | 
						|
				return
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	beforeCommitID := ctx.Data["BeforeCommitID"].(string)
 | 
						|
	afterCommitID := ctx.Data["AfterCommitID"].(string)
 | 
						|
 | 
						|
	ctx.Data["Title"] = "Comparing " + base.ShortSha(beforeCommitID) + "..." + base.ShortSha(afterCommitID)
 | 
						|
 | 
						|
	ctx.Data["IsRepoToolbarCommits"] = true
 | 
						|
	ctx.Data["IsDiffCompare"] = true
 | 
						|
	ctx.Data["RequireHighlightJS"] = true
 | 
						|
	ctx.Data["RequireTribute"] = true
 | 
						|
	ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
 | 
						|
	setTemplateIfExists(ctx, pullRequestTemplateKey, pullRequestTemplateCandidates)
 | 
						|
	renderAttachmentSettings(ctx)
 | 
						|
 | 
						|
	ctx.HTML(200, tplCompare)
 | 
						|
}
 |