mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-14 14:49:32 +01:00
805 lines
24 KiB
Go
805 lines
24 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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"bufio"
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"encoding/csv"
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"errors"
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"fmt"
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"html"
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"net/http"
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"path"
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"path/filepath"
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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/charset"
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"code.gitea.io/gitea/modules/context"
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csv_module "code.gitea.io/gitea/modules/csv"
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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/modules/upload"
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"code.gitea.io/gitea/modules/util"
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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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tplBlobExcerpt base.TplName = "repo/diff/blob_excerpt"
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)
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// setCompareContext sets context data.
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func setCompareContext(ctx *context.Context, base *git.Commit, head *git.Commit, headTarget string) {
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ctx.Data["BaseCommit"] = base
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ctx.Data["HeadCommit"] = head
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ctx.Data["GetBlobByPathForCommit"] = func(commit *git.Commit, path string) *git.Blob {
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if commit == nil {
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return nil
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}
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blob, err := commit.GetBlobByPath(path)
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if err != nil {
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return nil
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}
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return blob
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}
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setPathsCompareContext(ctx, base, head, headTarget)
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setImageCompareContext(ctx)
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setCsvCompareContext(ctx)
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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) {
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ctx.Data["IsBlobAnImage"] = func(blob *git.Blob) bool {
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if blob == nil {
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return false
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}
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st, err := blob.GuessContentType()
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if err != nil {
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log.Error("GuessContentType failed: %v", err)
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return false
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}
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return st.IsImage() && (setting.UI.SVG.Enabled || !st.IsSvgImage())
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}
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}
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// setCsvCompareContext sets context data that is required by the CSV compare template
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func setCsvCompareContext(ctx *context.Context) {
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ctx.Data["IsCsvFile"] = func(diffFile *gitdiff.DiffFile) bool {
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extension := strings.ToLower(filepath.Ext(diffFile.Name))
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return extension == ".csv" || extension == ".tsv"
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}
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type CsvDiffResult struct {
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Sections []*gitdiff.TableDiffSection
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Error string
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}
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ctx.Data["CreateCsvDiff"] = func(diffFile *gitdiff.DiffFile, baseCommit *git.Commit, headCommit *git.Commit) CsvDiffResult {
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if diffFile == nil || baseCommit == nil || headCommit == nil {
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return CsvDiffResult{nil, ""}
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}
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errTooLarge := errors.New(ctx.Locale.Tr("repo.error.csv.too_large"))
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csvReaderFromCommit := func(c *git.Commit) (*csv.Reader, error) {
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blob, err := c.GetBlobByPath(diffFile.Name)
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if err != nil {
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return nil, err
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}
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if setting.UI.CSV.MaxFileSize != 0 && setting.UI.CSV.MaxFileSize < blob.Size() {
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return nil, errTooLarge
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}
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reader, err := blob.DataAsync()
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if err != nil {
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return nil, err
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}
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defer reader.Close()
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return csv_module.CreateReaderAndGuessDelimiter(charset.ToUTF8WithFallbackReader(reader))
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}
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baseReader, err := csvReaderFromCommit(baseCommit)
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if err == errTooLarge {
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return CsvDiffResult{nil, err.Error()}
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}
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headReader, err := csvReaderFromCommit(headCommit)
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if err == errTooLarge {
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return CsvDiffResult{nil, err.Error()}
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}
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sections, err := gitdiff.CreateCsvDiff(diffFile, baseReader, headReader)
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if err != nil {
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errMessage, err := csv_module.FormatError(err, ctx.Locale)
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if err != nil {
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log.Error("RenderCsvDiff failed: %v", err)
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return CsvDiffResult{nil, ""}
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}
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return CsvDiffResult{nil, errMessage}
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}
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return CsvDiffResult{sections, ""}
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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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// A full compare url is of the form:
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//
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// 1. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headBranch}
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// 2. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headOwner}:{:headBranch}
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// 3. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headOwner}/{:headRepoName}:{:headBranch}
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//
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// Here we obtain the infoPath "{:baseBranch}...[{:headOwner}/{:headRepoName}:]{:headBranch}" as ctx.Params("*")
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// with the :baseRepo in ctx.Repo.
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//
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// Note: Generally :headRepoName is not provided here - we are only passed :headOwner.
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//
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// How do we determine the :headRepo?
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//
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// 1. If :headOwner is not set then the :headRepo = :baseRepo
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// 2. If :headOwner is set - then look for the fork of :baseRepo owned by :headOwner
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// 3. But... :baseRepo could be a fork of :headOwner's repo - so check that
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// 4. Now, :baseRepo and :headRepos could be forks of the same repo - so check that
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//
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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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headRepo *models.Repository
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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.SplitN(infoPath, "...", 2)
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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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ctx.Data["BaseName"] = baseRepo.OwnerName
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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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headInfosSplit := strings.Split(headInfos[0], "/")
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if len(headInfosSplit) == 1 {
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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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if isSameRepo {
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headRepo = baseRepo
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}
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} else {
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headRepo, err = models.GetRepositoryByOwnerAndName(headInfosSplit[0], headInfosSplit[1])
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if err != nil {
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if models.IsErrRepoNotExist(err) {
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ctx.NotFound("GetRepositoryByOwnerAndName", nil)
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} else {
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ctx.ServerError("GetRepositoryByOwnerAndName", err)
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}
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return nil, nil, nil, nil, "", ""
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}
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if err := headRepo.GetOwner(); 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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headUser = headRepo.Owner
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isSameRepo = headRepo.ID == ctx.Repo.Repository.ID
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}
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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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ctx.Data["IsPull"] = true
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// Now we have the repository that represents the base
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// The current base and head repositories and branches may not
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// actually be the intended branches that the user wants to
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// create a pull-request from - but also determining the head
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// repo is difficult.
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// We will want therefore to offer a few repositories to set as
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// our base and head
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// 1. First if the baseRepo is a fork get the "RootRepo" it was
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// forked from
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var rootRepo *models.Repository
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if baseRepo.IsFork {
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err = baseRepo.GetBaseRepo()
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if err != nil {
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if !models.IsErrRepoNotExist(err) {
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ctx.ServerError("Unable to find root repo", err)
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return nil, nil, nil, nil, "", ""
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}
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} else {
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rootRepo = baseRepo.BaseRepo
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}
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}
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// 2. Now if the current user is not the owner of the baseRepo,
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// check if they have a fork of the base repo and offer that as
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// "OwnForkRepo"
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var ownForkRepo *models.Repository
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if ctx.User != nil && baseRepo.OwnerID != ctx.User.ID {
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repo, has := models.HasForkedRepo(ctx.User.ID, baseRepo.ID)
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if has {
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ownForkRepo = repo
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ctx.Data["OwnForkRepo"] = ownForkRepo
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}
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}
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has := headRepo != nil
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// 3. If the base is a forked from "RootRepo" and the owner of
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// the "RootRepo" is the :headUser - set headRepo to that
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if !has && rootRepo != nil && rootRepo.OwnerID == headUser.ID {
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headRepo = rootRepo
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has = true
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}
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// 4. If the ctx.User has their own fork of the baseRepo and the headUser is the ctx.User
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// set the headRepo to the ownFork
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if !has && ownForkRepo != nil && ownForkRepo.OwnerID == headUser.ID {
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headRepo = ownForkRepo
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has = true
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}
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// 5. If the headOwner has a fork of the baseRepo - use that
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if !has {
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headRepo, has = models.HasForkedRepo(headUser.ID, baseRepo.ID)
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}
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// 6. If the baseRepo is a fork and the headUser has a fork of that use that
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if !has && baseRepo.IsFork {
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headRepo, has = models.HasForkedRepo(headUser.ID, baseRepo.ForkID)
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}
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// 7. Otherwise if we're not the same repo and haven't found a repo give up
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if !isSameRepo && !has {
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ctx.Data["PageIsComparePull"] = false
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}
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// 8. Finally open the git repo
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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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} else if has {
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headGitRepo, err = git.OpenRepository(headRepo.RepoPath())
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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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defer headGitRepo.Close()
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}
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ctx.Data["HeadRepo"] = headRepo
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// Now we need to assert that the ctx.User has permission to read
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// the baseRepo's code and pulls
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// (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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// If we're not merging from the same repo:
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if !isSameRepo {
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// Assert ctx.User has 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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}
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// If we have a rootRepo and it's different from:
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// 1. the computed base
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// 2. the computed head
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// then get the branches of it
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if rootRepo != nil &&
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rootRepo.ID != headRepo.ID &&
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rootRepo.ID != baseRepo.ID {
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perm, branches, tags, err := getBranchesAndTagsForRepo(ctx.User, rootRepo)
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if err != nil {
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ctx.ServerError("GetBranchesForRepo", err)
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return nil, nil, nil, nil, "", ""
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}
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if perm {
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ctx.Data["RootRepo"] = rootRepo
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ctx.Data["RootRepoBranches"] = branches
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ctx.Data["RootRepoTags"] = tags
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}
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}
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// If we have a ownForkRepo and it's different from:
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// 1. The computed base
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// 2. The computed head
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// 3. The rootRepo (if we have one)
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// then get the branches from it.
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if ownForkRepo != nil &&
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ownForkRepo.ID != headRepo.ID &&
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ownForkRepo.ID != baseRepo.ID &&
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(rootRepo == nil || ownForkRepo.ID != rootRepo.ID) {
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perm, branches, tags, err := getBranchesAndTagsForRepo(ctx.User, ownForkRepo)
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if err != nil {
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ctx.ServerError("GetBranchesForRepo", err)
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return nil, nil, nil, nil, "", ""
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}
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if perm {
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ctx.Data["OwnForkRepo"] = ownForkRepo
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ctx.Data["OwnForkRepoBranches"] = branches
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ctx.Data["OwnForkRepoTags"] = tags
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}
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}
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// Check if head branch is valid.
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headIsCommit := headGitRepo.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, _ := headGitRepo.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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baseBranchRef := baseBranch
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if baseIsBranch {
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baseBranchRef = git.BranchPrefix + baseBranch
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} else if baseIsTag {
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baseBranchRef = git.TagPrefix + baseBranch
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}
|
|
headBranchRef := headBranch
|
|
if headIsBranch {
|
|
headBranchRef = git.BranchPrefix + headBranch
|
|
} else if headIsTag {
|
|
headBranchRef = git.TagPrefix + headBranch
|
|
}
|
|
|
|
compareInfo, err := headGitRepo.GetCompareInfo(baseRepo.RepoPath(), baseBranchRef, headBranchRef)
|
|
if err != nil {
|
|
ctx.ServerError("GetCompareInfo", err)
|
|
return nil, nil, nil, nil, "", ""
|
|
}
|
|
ctx.Data["BeforeCommitID"] = compareInfo.MergeBase
|
|
|
|
return headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch
|
|
}
|
|
|
|
// PrepareCompareDiff renders compare diff page
|
|
func PrepareCompareDiff(
|
|
ctx *context.Context,
|
|
headUser *models.User,
|
|
headRepo *models.Repository,
|
|
headGitRepo *git.Repository,
|
|
compareInfo *git.CompareInfo,
|
|
baseBranch, headBranch string,
|
|
whitespaceBehavior string) bool {
|
|
|
|
var (
|
|
repo = ctx.Repo.Repository
|
|
err error
|
|
title string
|
|
)
|
|
|
|
// Get diff information.
|
|
ctx.Data["CommitRepoLink"] = headRepo.Link()
|
|
|
|
headCommitID := compareInfo.HeadCommitID
|
|
|
|
ctx.Data["AfterCommitID"] = headCommitID
|
|
|
|
if headCommitID == compareInfo.MergeBase {
|
|
ctx.Data["IsNothingToCompare"] = true
|
|
if unit, err := repo.GetUnit(models.UnitTypePullRequests); err == nil {
|
|
config := unit.PullRequestsConfig()
|
|
|
|
if !config.AutodetectManualMerge {
|
|
allowEmptyPr := !(baseBranch == headBranch && ctx.Repo.Repository.Name == headRepo.Name)
|
|
ctx.Data["AllowEmptyPr"] = allowEmptyPr
|
|
|
|
return !allowEmptyPr
|
|
}
|
|
|
|
ctx.Data["AllowEmptyPr"] = false
|
|
}
|
|
return true
|
|
}
|
|
|
|
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(headGitRepo,
|
|
compareInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
|
|
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, whitespaceBehavior)
|
|
if err != nil {
|
|
ctx.ServerError("GetDiffRangeWithWhitespaceBehavior", err)
|
|
return false
|
|
}
|
|
ctx.Data["Diff"] = diff
|
|
ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
|
|
|
|
headCommit, err := headGitRepo.GetCommit(headCommitID)
|
|
if err != nil {
|
|
ctx.ServerError("GetCommit", err)
|
|
return false
|
|
}
|
|
|
|
baseGitRepo := ctx.Repo.GitRepo
|
|
baseCommitID := compareInfo.BaseCommitID
|
|
|
|
baseCommit, err := baseGitRepo.GetCommit(baseCommitID)
|
|
if err != nil {
|
|
ctx.ServerError("GetCommit", err)
|
|
return false
|
|
}
|
|
|
|
commits := models.ConvertFromGitCommit(compareInfo.Commits, headRepo)
|
|
ctx.Data["Commits"] = commits
|
|
ctx.Data["CommitCount"] = len(commits)
|
|
|
|
if len(commits) == 1 {
|
|
c := commits[0]
|
|
title = strings.TrimSpace(c.UserCommit.Summary())
|
|
|
|
body := strings.Split(strings.TrimSpace(c.UserCommit.Message()), "\n")
|
|
if len(body) > 1 {
|
|
ctx.Data["content"] = strings.Join(body[1:], "\n")
|
|
}
|
|
} else {
|
|
title = headBranch
|
|
}
|
|
if len(title) > 255 {
|
|
var trailer string
|
|
title, trailer = util.SplitStringAtByteN(title, 255)
|
|
if len(trailer) > 0 {
|
|
if ctx.Data["content"] != nil {
|
|
ctx.Data["content"] = fmt.Sprintf("%s\n\n%s", trailer, ctx.Data["content"])
|
|
} else {
|
|
ctx.Data["content"] = trailer + "\n"
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.Data["title"] = title
|
|
ctx.Data["Username"] = headUser.Name
|
|
ctx.Data["Reponame"] = headRepo.Name
|
|
|
|
headTarget := path.Join(headUser.Name, repo.Name)
|
|
setCompareContext(ctx, baseCommit, headCommit, headTarget)
|
|
|
|
return false
|
|
}
|
|
|
|
func getBranchesAndTagsForRepo(user *models.User, repo *models.Repository) (bool, []string, []string, error) {
|
|
perm, err := models.GetUserRepoPermission(repo, user)
|
|
if err != nil {
|
|
return false, nil, nil, err
|
|
}
|
|
if !perm.CanRead(models.UnitTypeCode) {
|
|
return false, nil, nil, nil
|
|
}
|
|
gitRepo, err := git.OpenRepository(repo.RepoPath())
|
|
if err != nil {
|
|
return false, nil, nil, err
|
|
}
|
|
defer gitRepo.Close()
|
|
|
|
branches, _, err := gitRepo.GetBranches(0, 0)
|
|
if err != nil {
|
|
return false, nil, nil, err
|
|
}
|
|
tags, err := gitRepo.GetTags(0, 0)
|
|
if err != nil {
|
|
return false, nil, nil, err
|
|
}
|
|
return true, branches, tags, nil
|
|
}
|
|
|
|
// CompareDiff show different from one commit to another commit
|
|
func CompareDiff(ctx *context.Context) {
|
|
headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch := ParseCompareInfo(ctx)
|
|
defer func() {
|
|
if headGitRepo != nil {
|
|
headGitRepo.Close()
|
|
}
|
|
}()
|
|
if ctx.Written() {
|
|
return
|
|
}
|
|
|
|
nothingToCompare := PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch,
|
|
gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)))
|
|
if ctx.Written() {
|
|
return
|
|
}
|
|
|
|
baseGitRepo := ctx.Repo.GitRepo
|
|
baseTags, err := baseGitRepo.GetTags(0, 0)
|
|
if err != nil {
|
|
ctx.ServerError("GetTags", err)
|
|
return
|
|
}
|
|
ctx.Data["Tags"] = baseTags
|
|
|
|
headBranches, _, err := headGitRepo.GetBranches(0, 0)
|
|
if err != nil {
|
|
ctx.ServerError("GetBranches", err)
|
|
return
|
|
}
|
|
ctx.Data["HeadBranches"] = headBranches
|
|
|
|
headTags, err := headGitRepo.GetTags(0, 0)
|
|
if err != nil {
|
|
ctx.ServerError("GetTags", err)
|
|
return
|
|
}
|
|
ctx.Data["HeadTags"] = headTags
|
|
|
|
if ctx.Data["PageIsComparePull"] == true {
|
|
pr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch, models.PullRequestFlowGithub)
|
|
if err != nil {
|
|
if !models.IsErrPullRequestNotExist(err) {
|
|
ctx.ServerError("GetUnmergedPullRequest", err)
|
|
return
|
|
}
|
|
} else {
|
|
ctx.Data["HasPullRequest"] = true
|
|
ctx.Data["PullRequest"] = pr
|
|
ctx.HTML(http.StatusOK, tplCompareDiff)
|
|
return
|
|
}
|
|
|
|
if !nothingToCompare {
|
|
// Setup information for new form.
|
|
RetrieveRepoMetas(ctx, ctx.Repo.Repository, true)
|
|
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["RequireTribute"] = true
|
|
ctx.Data["RequireSimpleMDE"] = true
|
|
ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
|
|
setTemplateIfExists(ctx, pullRequestTemplateKey, nil, pullRequestTemplateCandidates)
|
|
ctx.Data["IsAttachmentEnabled"] = setting.Attachment.Enabled
|
|
upload.AddUploadContext(ctx, "comment")
|
|
|
|
ctx.Data["HasIssuesOrPullsWritePermission"] = ctx.Repo.CanWrite(models.UnitTypePullRequests)
|
|
|
|
ctx.HTML(http.StatusOK, tplCompare)
|
|
}
|
|
|
|
// ExcerptBlob render blob excerpt contents
|
|
func ExcerptBlob(ctx *context.Context) {
|
|
commitID := ctx.Params("sha")
|
|
lastLeft := ctx.FormInt("last_left")
|
|
lastRight := ctx.FormInt("last_right")
|
|
idxLeft := ctx.FormInt("left")
|
|
idxRight := ctx.FormInt("right")
|
|
leftHunkSize := ctx.FormInt("left_hunk_size")
|
|
rightHunkSize := ctx.FormInt("right_hunk_size")
|
|
anchor := ctx.FormString("anchor")
|
|
direction := ctx.FormString("direction")
|
|
filePath := ctx.FormString("path")
|
|
gitRepo := ctx.Repo.GitRepo
|
|
chunkSize := gitdiff.BlobExcerptChunkSize
|
|
commit, err := gitRepo.GetCommit(commitID)
|
|
if err != nil {
|
|
ctx.Error(http.StatusInternalServerError, "GetCommit")
|
|
return
|
|
}
|
|
section := &gitdiff.DiffSection{
|
|
FileName: filePath,
|
|
Name: filePath,
|
|
}
|
|
if direction == "up" && (idxLeft-lastLeft) > chunkSize {
|
|
idxLeft -= chunkSize
|
|
idxRight -= chunkSize
|
|
leftHunkSize += chunkSize
|
|
rightHunkSize += chunkSize
|
|
section.Lines, err = getExcerptLines(commit, filePath, idxLeft-1, idxRight-1, chunkSize)
|
|
} else if direction == "down" && (idxLeft-lastLeft) > chunkSize {
|
|
section.Lines, err = getExcerptLines(commit, filePath, lastLeft, lastRight, chunkSize)
|
|
lastLeft += chunkSize
|
|
lastRight += chunkSize
|
|
} else {
|
|
offset := -1
|
|
if direction == "down" {
|
|
offset = 0
|
|
}
|
|
section.Lines, err = getExcerptLines(commit, filePath, lastLeft, lastRight, idxRight-lastRight+offset)
|
|
leftHunkSize = 0
|
|
rightHunkSize = 0
|
|
idxLeft = lastLeft
|
|
idxRight = lastRight
|
|
}
|
|
if err != nil {
|
|
ctx.Error(http.StatusInternalServerError, "getExcerptLines")
|
|
return
|
|
}
|
|
if idxRight > lastRight {
|
|
lineText := " "
|
|
if rightHunkSize > 0 || leftHunkSize > 0 {
|
|
lineText = fmt.Sprintf("@@ -%d,%d +%d,%d @@\n", idxLeft, leftHunkSize, idxRight, rightHunkSize)
|
|
}
|
|
lineText = html.EscapeString(lineText)
|
|
lineSection := &gitdiff.DiffLine{
|
|
Type: gitdiff.DiffLineSection,
|
|
Content: lineText,
|
|
SectionInfo: &gitdiff.DiffLineSectionInfo{
|
|
Path: filePath,
|
|
LastLeftIdx: lastLeft,
|
|
LastRightIdx: lastRight,
|
|
LeftIdx: idxLeft,
|
|
RightIdx: idxRight,
|
|
LeftHunkSize: leftHunkSize,
|
|
RightHunkSize: rightHunkSize,
|
|
}}
|
|
if direction == "up" {
|
|
section.Lines = append([]*gitdiff.DiffLine{lineSection}, section.Lines...)
|
|
} else if direction == "down" {
|
|
section.Lines = append(section.Lines, lineSection)
|
|
}
|
|
}
|
|
ctx.Data["section"] = section
|
|
ctx.Data["fileName"] = filePath
|
|
ctx.Data["AfterCommitID"] = commitID
|
|
ctx.Data["Anchor"] = anchor
|
|
ctx.HTML(http.StatusOK, tplBlobExcerpt)
|
|
}
|
|
|
|
func getExcerptLines(commit *git.Commit, filePath string, idxLeft int, idxRight int, chunkSize int) ([]*gitdiff.DiffLine, error) {
|
|
blob, err := commit.Tree.GetBlobByPath(filePath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
reader, err := blob.DataAsync()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer reader.Close()
|
|
scanner := bufio.NewScanner(reader)
|
|
var diffLines []*gitdiff.DiffLine
|
|
for line := 0; line < idxRight+chunkSize; line++ {
|
|
if ok := scanner.Scan(); !ok {
|
|
break
|
|
}
|
|
if line < idxRight {
|
|
continue
|
|
}
|
|
lineText := scanner.Text()
|
|
diffLine := &gitdiff.DiffLine{
|
|
LeftIdx: idxLeft + (line - idxRight) + 1,
|
|
RightIdx: line + 1,
|
|
Type: gitdiff.DiffLinePlain,
|
|
Content: " " + lineText,
|
|
}
|
|
diffLines = append(diffLines, diffLine)
|
|
}
|
|
return diffLines, nil
|
|
}
|