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Repare and Improve GetDiffRangeWithWhitespaceBehavior (#16894)

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* repare and improve GetDiffRangeWithWhitespaceBehavior

* Context with Timeout
This commit is contained in:
6543 2021-08-31 06:16:23 +02:00 committed by GitHub
parent f2b4b0f491
commit bb4cc876b1
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 26 additions and 37 deletions
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10
routers/web/repo/commit.go
View file

@ -259,9 +259,8 @@ func Diff(ctx *context.Context) {
repoName := ctx.Repo.Repository.Name
commitID := ctx.Params(":sha")
var (
gitRepo *git.Repository
err error
repoPath string
gitRepo *git.Repository
err error
)
if ctx.Data["PageIsWiki"] != nil {
@ -270,10 +269,9 @@ func Diff(ctx *context.Context) {
ctx.ServerError("Repo.GitRepo.GetCommit", err)
return
}
repoPath = ctx.Repo.Repository.WikiPath()
defer gitRepo.Close()
} else {
gitRepo = ctx.Repo.GitRepo
repoPath = models.RepoPath(userName, repoName)
}
commit, err := gitRepo.GetCommit(commitID)
@ -297,7 +295,7 @@ func Diff(ctx *context.Context) {
ctx.Data["CommitStatus"] = models.CalcCommitStatus(statuses)
ctx.Data["CommitStatuses"] = statuses
diff, err := gitdiff.GetDiffCommitWithWhitespaceBehavior(repoPath,
diff, err := gitdiff.GetDiffCommitWithWhitespaceBehavior(gitRepo,
commitID, setting.Git.MaxGitDiffLines,
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)))

8
routers/web/repo/compare.go
View file

@ -526,7 +526,7 @@ func PrepareCompareDiff(
return true
}
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(models.RepoPath(headUser.Name, headRepo.Name),
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(headGitRepo,
compareInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, whitespaceBehavior)
if err != nil {
@ -616,11 +616,15 @@ func getBranchesAndTagsForRepo(user *models.User, repo *models.Repository) (bool
// 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
}
defer headGitRepo.Close()
nothingToCompare := PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch,
gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)))

8
routers/web/repo/pull.go
View file

@ -599,10 +599,9 @@ func ViewPullFiles(ctx *context.Context) {
pull := issue.PullRequest
var (
diffRepoPath string
startCommitID string
endCommitID string
gitRepo *git.Repository
gitRepo = ctx.Repo.GitRepo
)
var prInfo *git.CompareInfo
@ -619,9 +618,6 @@ func ViewPullFiles(ctx *context.Context) {
return
}
diffRepoPath = ctx.Repo.GitRepo.Path
gitRepo = ctx.Repo.GitRepo
headCommitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
if err != nil {
ctx.ServerError("GetRefCommitID", err)
@ -635,7 +631,7 @@ func ViewPullFiles(ctx *context.Context) {
ctx.Data["Reponame"] = ctx.Repo.Repository.Name
ctx.Data["AfterCommitID"] = endCommitID
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(diffRepoPath,
diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(gitRepo,
startCommitID, endCommitID, setting.Git.MaxGitDiffLines,
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)))

29
services/gitdiff/gitdiff.go
View file

@ -20,6 +20,7 @@ import (
"regexp"
"sort"
"strings"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/charset"
@ -1205,31 +1206,20 @@ func readFileName(rd *strings.Reader) (string, bool) {
return name[2:], ambiguity
}
// GetDiffRange builds a Diff between two commits of a repository.
// passing the empty string as beforeCommitID returns a diff from the
// parent commit.
func GetDiffRange(repoPath, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(repoPath, beforeCommitID, afterCommitID, maxLines, maxLineCharacters, maxFiles, "")
}
// GetDiffRangeWithWhitespaceBehavior builds a Diff between two commits of a repository.
// Passing the empty string as beforeCommitID returns a diff from the parent commit.
// The whitespaceBehavior is either an empty string or a git flag
func GetDiffRangeWithWhitespaceBehavior(repoPath, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
gitRepo, err := git.OpenRepository(repoPath)
if err != nil {
return nil, err
}
defer gitRepo.Close()
func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
repoPath := gitRepo.Path
commit, err := gitRepo.GetCommit(afterCommitID)
if err != nil {
return nil, err
}
// FIXME: graceful: These commands should likely have a timeout
ctx, cancel := context.WithCancel(git.DefaultContext)
ctx, cancel := context.WithTimeout(git.DefaultContext, time.Duration(setting.Git.Timeout.Default)*time.Second)
defer cancel()
var cmd *exec.Cmd
if (len(beforeCommitID) == 0 || beforeCommitID == git.EmptySHA) && commit.ParentCount() == 0 {
diffArgs := []string{"diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M"}
@ -1303,15 +1293,10 @@ func GetDiffRangeWithWhitespaceBehavior(repoPath, beforeCommitID, afterCommitID
return diff, nil
}
// GetDiffCommit builds a Diff representing the given commitID.
func GetDiffCommit(repoPath, commitID string, maxLines, maxLineCharacters, maxFiles int) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(repoPath, "", commitID, maxLines, maxLineCharacters, maxFiles, "")
}
// GetDiffCommitWithWhitespaceBehavior builds a Diff representing the given commitID.
// The whitespaceBehavior is either an empty string or a git flag
func GetDiffCommitWithWhitespaceBehavior(repoPath, commitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(repoPath, "", commitID, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior)
func GetDiffCommitWithWhitespaceBehavior(gitRepo *git.Repository, commitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior)
}
// CommentAsDiff returns c.Patch as *Diff

8
services/gitdiff/gitdiff_test.go
View file

@ -13,6 +13,7 @@ import (
"testing"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/setting"
@ -514,8 +515,13 @@ func TestDiffLine_GetCommentSide(t *testing.T) {
}
func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
gitRepo, err := git.OpenRepository("./testdata/academic-module")
if !assert.NoError(t, err) {
return
}
defer gitRepo.Close()
for _, behavior := range []string{"-w", "--ignore-space-at-eol", "-b", ""} {
diffs, err := GetDiffRangeWithWhitespaceBehavior("./testdata/academic-module", "559c156f8e0178b71cb44355428f24001b08fc68", "bd7063cc7c04689c4d082183d32a604ed27a24f9",
diffs, err := GetDiffRangeWithWhitespaceBehavior(gitRepo, "559c156f8e0178b71cb44355428f24001b08fc68", "bd7063cc7c04689c4d082183d32a604ed27a24f9",
setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles, behavior)
assert.NoError(t, err, fmt.Sprintf("Error when diff with %s", behavior))
for _, f := range diffs.Files {