forked from Shiloh/githaven
44f2c27d28
closed #17378 Both errors from #17378 were caused by #15175. Problem 1 (error with added file): `ToUTF8WithFallbackReader` creates a `MultiReader` from a `byte[2048]` and the remaining reader. `CreateReaderAndGuessDelimiter` tries to read 10000 bytes from this reader but only gets 2048 because that's the first reader in the `MultiReader`. Then the `if size < 1e4` thinks the input is at EOF and just returns that. Problem 2 (error with changed file): The blob reader gets defer closed. That was fine because the old version reads the whole file into memory. Now with the streaming version the close needs to defer after the method.
852 lines
24 KiB
Go
852 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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"io"
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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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tplDiffBox base.TplName = "repo/diff/box"
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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, io.Closer, error) {
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blob, err := c.GetBlobByPath(diffFile.Name)
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if err != nil {
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return nil, 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, 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, nil, err
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}
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csvReader, err := csv_module.CreateReaderAndGuessDelimiter(charset.ToUTF8WithFallbackReader(reader))
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return csvReader, reader, err
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}
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baseReader, baseBlobCloser, err := csvReaderFromCommit(baseCommit)
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if baseBlobCloser != nil {
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defer baseBlobCloser.Close()
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}
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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, headBlobCloser, err := csvReaderFromCommit(headCommit)
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if headBlobCloser != nil {
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defer headBlobCloser.Close()
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}
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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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// CompareInfo represents the collected results from ParseCompareInfo
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type CompareInfo struct {
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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 string
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HeadBranch string
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DirectComparison bool
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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) *CompareInfo {
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baseRepo := ctx.Repo.Repository
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ci := &CompareInfo{}
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fileOnly := ctx.FormBool("file-only")
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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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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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infos = strings.SplitN(infoPath, "..", 2)
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ci.DirectComparison = true
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ctx.Data["PageIsComparePull"] = false
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}
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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
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}
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ctx.Data["BaseName"] = baseRepo.OwnerName
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ci.BaseBranch = infos[0]
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ctx.Data["BaseBranch"] = ci.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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ci.HeadUser = ctx.Repo.Owner
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ci.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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ci.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
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}
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ci.HeadBranch = headInfos[1]
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isSameRepo = ci.HeadUser.ID == ctx.Repo.Owner.ID
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if isSameRepo {
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ci.HeadRepo = baseRepo
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}
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} else {
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ci.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
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}
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if err := ci.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
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}
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ci.HeadBranch = headInfos[1]
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ci.HeadUser = ci.HeadRepo.Owner
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isSameRepo = ci.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
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}
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ctx.Data["HeadUser"] = ci.HeadUser
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ctx.Data["HeadBranch"] = ci.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(ci.BaseBranch)
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baseIsBranch := ctx.Repo.GitRepo.IsBranchExist(ci.BaseBranch)
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baseIsTag := ctx.Repo.GitRepo.IsTagExist(ci.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(ci.BaseBranch); baseCommit != nil {
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ci.BaseBranch = baseCommit.ID.String()
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ctx.Data["BaseBranch"] = ci.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
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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
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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 := ci.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 == ci.HeadUser.ID {
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ci.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 == ci.HeadUser.ID {
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ci.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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ci.HeadRepo, has = models.HasForkedRepo(ci.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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ci.HeadRepo, has = models.HasForkedRepo(ci.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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if isSameRepo {
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ci.HeadRepo = ctx.Repo.Repository
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ci.HeadGitRepo = ctx.Repo.GitRepo
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} else if has {
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ci.HeadGitRepo, err = git.OpenRepository(ci.HeadRepo.RepoPath())
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if err != nil {
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ctx.ServerError("OpenRepository", err)
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return nil
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}
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defer ci.HeadGitRepo.Close()
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}
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ctx.Data["HeadRepo"] = ci.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
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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
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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(ci.HeadRepo, ctx.User)
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if err != nil {
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ctx.ServerError("GetUserRepoPermission", err)
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return 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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ci.HeadRepo,
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permHead)
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}
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ctx.NotFound("ParseCompareInfo", nil)
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return 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 != ci.HeadRepo.ID &&
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rootRepo.ID != baseRepo.ID {
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canRead := rootRepo.CheckUnitUser(ctx.User, models.UnitTypeCode)
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if canRead {
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ctx.Data["RootRepo"] = rootRepo
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if !fileOnly {
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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
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}
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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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}
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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 != ci.HeadRepo.ID &&
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ownForkRepo.ID != baseRepo.ID &&
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(rootRepo == nil || ownForkRepo.ID != rootRepo.ID) {
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canRead := ownForkRepo.CheckUnitUser(ctx.User, models.UnitTypeCode)
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if canRead {
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ctx.Data["OwnForkRepo"] = ownForkRepo
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if !fileOnly {
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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
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}
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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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}
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// Check if head branch is valid.
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headIsCommit := ci.HeadGitRepo.IsCommitExist(ci.HeadBranch)
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headIsBranch := ci.HeadGitRepo.IsBranchExist(ci.HeadBranch)
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headIsTag := ci.HeadGitRepo.IsTagExist(ci.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, _ := ci.HeadGitRepo.GetCommit(ci.HeadBranch); headCommit != nil {
|
|
ci.HeadBranch = headCommit.ID.String()
|
|
ctx.Data["HeadBranch"] = ci.HeadBranch
|
|
headIsCommit = true
|
|
} else {
|
|
ctx.NotFound("IsRefExist", nil)
|
|
return nil
|
|
}
|
|
}
|
|
ctx.Data["HeadIsCommit"] = headIsCommit
|
|
ctx.Data["HeadIsBranch"] = headIsBranch
|
|
ctx.Data["HeadIsTag"] = headIsTag
|
|
|
|
// Treat as pull request if both references are branches
|
|
if ctx.Data["PageIsComparePull"] == nil {
|
|
ctx.Data["PageIsComparePull"] = headIsBranch && baseIsBranch
|
|
}
|
|
|
|
if ctx.Data["PageIsComparePull"] == true && !permBase.CanReadIssuesOrPulls(true) {
|
|
if log.IsTrace() {
|
|
log.Trace("Permission Denied: User: %-v cannot create/read pull requests in Repo: %-v\nUser in baseRepo has Permissions: %-+v",
|
|
ctx.User,
|
|
baseRepo,
|
|
permBase)
|
|
}
|
|
ctx.NotFound("ParseCompareInfo", nil)
|
|
return nil
|
|
}
|
|
|
|
baseBranchRef := ci.BaseBranch
|
|
if baseIsBranch {
|
|
baseBranchRef = git.BranchPrefix + ci.BaseBranch
|
|
} else if baseIsTag {
|
|
baseBranchRef = git.TagPrefix + ci.BaseBranch
|
|
}
|
|
headBranchRef := ci.HeadBranch
|
|
if headIsBranch {
|
|
headBranchRef = git.BranchPrefix + ci.HeadBranch
|
|
} else if headIsTag {
|
|
headBranchRef = git.TagPrefix + ci.HeadBranch
|
|
}
|
|
|
|
ci.CompareInfo, err = ci.HeadGitRepo.GetCompareInfo(baseRepo.RepoPath(), baseBranchRef, headBranchRef, ci.DirectComparison, fileOnly)
|
|
if err != nil {
|
|
ctx.ServerError("GetCompareInfo", err)
|
|
return nil
|
|
}
|
|
ctx.Data["BeforeCommitID"] = ci.CompareInfo.MergeBase
|
|
|
|
return ci
|
|
}
|
|
|
|
// PrepareCompareDiff renders compare diff page
|
|
func PrepareCompareDiff(
|
|
ctx *context.Context,
|
|
ci *CompareInfo,
|
|
whitespaceBehavior string) bool {
|
|
|
|
var (
|
|
repo = ctx.Repo.Repository
|
|
err error
|
|
title string
|
|
)
|
|
|
|
// Get diff information.
|
|
ctx.Data["CommitRepoLink"] = ci.HeadRepo.Link()
|
|
|
|
headCommitID := ci.CompareInfo.HeadCommitID
|
|
|
|
ctx.Data["AfterCommitID"] = headCommitID
|
|
|
|
if (headCommitID == ci.CompareInfo.MergeBase && !ci.DirectComparison) ||
|
|
headCommitID == ci.CompareInfo.BaseCommitID {
|
|
ctx.Data["IsNothingToCompare"] = true
|
|
if unit, err := repo.GetUnit(models.UnitTypePullRequests); err == nil {
|
|
config := unit.PullRequestsConfig()
|
|
|
|
if !config.AutodetectManualMerge {
|
|
allowEmptyPr := !(ci.BaseBranch == ci.HeadBranch && ctx.Repo.Repository.Name == ci.HeadRepo.Name)
|
|
ctx.Data["AllowEmptyPr"] = allowEmptyPr
|
|
|
|
return !allowEmptyPr
|
|
}
|
|
|
|
ctx.Data["AllowEmptyPr"] = false
|
|
}
|
|
return true
|
|
}
|
|
|
|
beforeCommitID := ci.CompareInfo.MergeBase
|
|
if ci.DirectComparison {
|
|
beforeCommitID = ci.CompareInfo.BaseCommitID
|
|
}
|
|
|
|
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(ci.HeadGitRepo,
|
|
beforeCommitID, headCommitID, ctx.FormString("skip-to"), setting.Git.MaxGitDiffLines,
|
|
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, whitespaceBehavior, ci.DirectComparison)
|
|
if err != nil {
|
|
ctx.ServerError("GetDiffRangeWithWhitespaceBehavior", err)
|
|
return false
|
|
}
|
|
ctx.Data["Diff"] = diff
|
|
ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
|
|
|
|
headCommit, err := ci.HeadGitRepo.GetCommit(headCommitID)
|
|
if err != nil {
|
|
ctx.ServerError("GetCommit", err)
|
|
return false
|
|
}
|
|
|
|
baseGitRepo := ctx.Repo.GitRepo
|
|
baseCommitID := ci.CompareInfo.BaseCommitID
|
|
|
|
baseCommit, err := baseGitRepo.GetCommit(baseCommitID)
|
|
if err != nil {
|
|
ctx.ServerError("GetCommit", err)
|
|
return false
|
|
}
|
|
|
|
commits := models.ConvertFromGitCommit(ci.CompareInfo.Commits, ci.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 = ci.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"] = ci.HeadUser.Name
|
|
ctx.Data["Reponame"] = ci.HeadRepo.Name
|
|
|
|
headTarget := path.Join(ci.HeadUser.Name, repo.Name)
|
|
setCompareContext(ctx, baseCommit, headCommit, headTarget)
|
|
|
|
return false
|
|
}
|
|
|
|
func getBranchesAndTagsForRepo(user *models.User, repo *models.Repository) (branches, tags []string, err error) {
|
|
gitRepo, err := git.OpenRepository(repo.RepoPath())
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
defer gitRepo.Close()
|
|
|
|
branches, _, err = gitRepo.GetBranches(0, 0)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
tags, err = gitRepo.GetTags(0, 0)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
return branches, tags, nil
|
|
}
|
|
|
|
// CompareDiff show different from one commit to another commit
|
|
func CompareDiff(ctx *context.Context) {
|
|
ci := ParseCompareInfo(ctx)
|
|
defer func() {
|
|
if ci != nil && ci.HeadGitRepo != nil {
|
|
ci.HeadGitRepo.Close()
|
|
}
|
|
}()
|
|
if ctx.Written() {
|
|
return
|
|
}
|
|
|
|
ctx.Data["DirectComparison"] = ci.DirectComparison
|
|
ctx.Data["OtherCompareSeparator"] = ".."
|
|
ctx.Data["CompareSeparator"] = "..."
|
|
if ci.DirectComparison {
|
|
ctx.Data["CompareSeparator"] = ".."
|
|
ctx.Data["OtherCompareSeparator"] = "..."
|
|
}
|
|
|
|
nothingToCompare := PrepareCompareDiff(ctx, ci,
|
|
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
|
|
|
|
fileOnly := ctx.FormBool("file-only")
|
|
if fileOnly {
|
|
ctx.HTML(http.StatusOK, tplDiffBox)
|
|
return
|
|
}
|
|
|
|
headBranches, _, err := ci.HeadGitRepo.GetBranches(0, 0)
|
|
if err != nil {
|
|
ctx.ServerError("GetBranches", err)
|
|
return
|
|
}
|
|
ctx.Data["HeadBranches"] = headBranches
|
|
|
|
headTags, err := ci.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(ci.HeadRepo.ID, ctx.Repo.Repository.ID, ci.HeadBranch, ci.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)
|
|
|
|
separator := "..."
|
|
if ci.DirectComparison {
|
|
separator = ".."
|
|
}
|
|
ctx.Data["Title"] = "Comparing " + base.ShortSha(beforeCommitID) + separator + 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
|
|
}
|