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Fix bug when review pull request commits (#35192)

Browse Source 
The commit range in the UI follows a half-open, half-closed convention:
(,]. When reviewing a range of commits, the beforeCommitID should be set
to the commit immediately preceding the first selected commit. For
single-commit reviews, we must identify and use the previous commit of
that specific commit.

The endpoint ViewPullFilesStartingFromCommit is currently unused and can
be safely removed.

Fix #35157 
Replace #35184 
Partially extract from #35077
This commit is contained in:
Lunny Xiao
2025-08-03 10:23:10 -07:00
committed by GitHub
parent 1f676b36b1
commit be2a6b4414
5 changed files with 89 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

143
routers/web/repo/pull.go
View File

@@ -643,8 +643,17 @@ func ViewPullCommits(ctx *context.Context) {
ctx.HTML(http.StatusOK, tplPullCommits)
}
func indexCommit(commits []*git.Commit, commitID string) *git.Commit {
for i := range commits {
if commits[i].ID.String() == commitID {
return commits[i]
}
}
return nil
}
// ViewPullFiles render pull request changed files list page
func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommit string, willShowSpecifiedCommitRange, willShowSpecifiedCommit bool) {
func viewPullFiles(ctx *context.Context, beforeCommitID, afterCommitID string) {
ctx.Data["PageIsPullList"] = true
ctx.Data["PageIsPullFiles"] = true
@@ -654,11 +663,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
}
pull := issue.PullRequest
var (
startCommitID string
endCommitID string
gitRepo = ctx.Repo.GitRepo
)
gitRepo := ctx.Repo.GitRepo
prInfo := preparePullViewPullInfo(ctx, issue)
if ctx.Written() {
@@ -668,77 +673,68 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
return
}
// Validate the given commit sha to show (if any passed)
if willShowSpecifiedCommit || willShowSpecifiedCommitRange {
foundStartCommit := len(specifiedStartCommit) == 0
foundEndCommit := len(specifiedEndCommit) == 0
if !(foundStartCommit && foundEndCommit) {
for _, commit := range prInfo.Commits {
if commit.ID.String() == specifiedStartCommit {
foundStartCommit = true
}
if commit.ID.String() == specifiedEndCommit {
foundEndCommit = true
}
if foundStartCommit && foundEndCommit {
break
}
}
}
if !(foundStartCommit && foundEndCommit) {
ctx.NotFound(nil)
return
}
}
if ctx.Written() {
return
}
headCommitID, err := gitRepo.GetRefCommitID(pull.GetGitHeadRefName())
if err != nil {
ctx.ServerError("GetRefCommitID", err)
return
}
ctx.Data["IsShowingOnlySingleCommit"] = willShowSpecifiedCommit
isSingleCommit := beforeCommitID == "" && afterCommitID != ""
ctx.Data["IsShowingOnlySingleCommit"] = isSingleCommit
isShowAllCommits := (beforeCommitID == "" || beforeCommitID == prInfo.MergeBase) && (afterCommitID == "" || afterCommitID == headCommitID)
ctx.Data["IsShowingAllCommits"] = isShowAllCommits
if willShowSpecifiedCommit || willShowSpecifiedCommitRange {
if len(specifiedEndCommit) > 0 {
endCommitID = specifiedEndCommit
if afterCommitID == "" || afterCommitID == headCommitID {
afterCommitID = headCommitID
}
afterCommit := indexCommit(prInfo.Commits, afterCommitID)
if afterCommit == nil {
ctx.HTTPError(http.StatusBadRequest, "after commit not found in PR commits")
return
}
var beforeCommit *git.Commit
if !isSingleCommit {
if beforeCommitID == "" || beforeCommitID == prInfo.MergeBase {
beforeCommitID = prInfo.MergeBase
// mergebase commit is not in the list of the pull request commits
beforeCommit, err = gitRepo.GetCommit(beforeCommitID)
if err != nil {
ctx.ServerError("GetCommit", err)
return
}
} else {
endCommitID = headCommitID
beforeCommit = indexCommit(prInfo.Commits, beforeCommitID)
if beforeCommit == nil {
ctx.HTTPError(http.StatusBadRequest, "before commit not found in PR commits")
return
}
}
if len(specifiedStartCommit) > 0 {
startCommitID = specifiedStartCommit
} else {
startCommitID = prInfo.MergeBase
}
ctx.Data["IsShowingAllCommits"] = false
} else {
endCommitID = headCommitID
startCommitID = prInfo.MergeBase
ctx.Data["IsShowingAllCommits"] = true
beforeCommit, err = afterCommit.Parent(0)
if err != nil {
ctx.ServerError("Parent", err)
return
}
beforeCommitID = beforeCommit.ID.String()
}
ctx.Data["Username"] = ctx.Repo.Owner.Name
ctx.Data["Reponame"] = ctx.Repo.Repository.Name
ctx.Data["AfterCommitID"] = endCommitID
ctx.Data["BeforeCommitID"] = startCommitID
fileOnly := ctx.FormBool("file-only")
ctx.Data["MergeBase"] = prInfo.MergeBase
ctx.Data["AfterCommitID"] = afterCommitID
ctx.Data["BeforeCommitID"] = beforeCommitID
maxLines, maxFiles := setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles
files := ctx.FormStrings("files")
fileOnly := ctx.FormBool("file-only")
if fileOnly && (len(files) == 2 || len(files) == 1) {
maxLines, maxFiles = -1, -1
}
diffOptions := &gitdiff.DiffOptions{
AfterCommitID: endCommitID,
BeforeCommitID: beforeCommitID,
AfterCommitID: afterCommitID,
SkipTo: ctx.FormString("skip-to"),
MaxLines: maxLines,
MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
@@ -746,10 +742,6 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
WhitespaceBehavior: gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)),
}
if !willShowSpecifiedCommit {
diffOptions.BeforeCommitID = startCommitID
}
diff, err := gitdiff.GetDiffForRender(ctx, ctx.Repo.RepoLink, gitRepo, diffOptions, files...)
if err != nil {
ctx.ServerError("GetDiff", err)
@@ -761,7 +753,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
// as the viewed information is designed to be loaded only on latest PR
// diff and if you're signed in.
var reviewState *pull_model.ReviewState
if ctx.IsSigned && !willShowSpecifiedCommit && !willShowSpecifiedCommitRange {
if ctx.IsSigned && isShowAllCommits {
reviewState, err = gitdiff.SyncUserSpecificDiff(ctx, ctx.Doer.ID, pull, gitRepo, diff, diffOptions)
if err != nil {
ctx.ServerError("SyncUserSpecificDiff", err)
@@ -769,7 +761,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
}
}
diffShortStat, err := gitdiff.GetDiffShortStat(ctx.Repo.GitRepo, startCommitID, endCommitID)
diffShortStat, err := gitdiff.GetDiffShortStat(ctx.Repo.GitRepo, beforeCommitID, afterCommitID)
if err != nil {
ctx.ServerError("GetDiffShortStat", err)
return
@@ -816,7 +808,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
if !fileOnly {
// note: use mergeBase is set to false because we already have the merge base from the pull request info
diffTree, err := gitdiff.GetDiffTree(ctx, gitRepo, false, startCommitID, endCommitID)
diffTree, err := gitdiff.GetDiffTree(ctx, gitRepo, false, beforeCommitID, afterCommitID)
if err != nil {
ctx.ServerError("GetDiffTree", err)
return
@@ -836,17 +828,6 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
ctx.Data["Diff"] = diff
ctx.Data["DiffNotAvailable"] = diffShortStat.NumFiles == 0
baseCommit, err := ctx.Repo.GitRepo.GetCommit(startCommitID)
if err != nil {
ctx.ServerError("GetCommit", err)
return
}
commit, err := gitRepo.GetCommit(endCommitID)
if err != nil {
ctx.ServerError("GetCommit", err)
return
}
if ctx.IsSigned && ctx.Doer != nil {
if ctx.Data["CanMarkConversation"], err = issues_model.CanMarkConversation(ctx, issue, ctx.Doer); err != nil {
ctx.ServerError("CanMarkConversation", err)
@@ -854,7 +835,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
}
}
setCompareContext(ctx, baseCommit, commit, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
setCompareContext(ctx, beforeCommit, afterCommit, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
assigneeUsers, err := repo_model.GetRepoAssignees(ctx, ctx.Repo.Repository)
if err != nil {
@@ -901,7 +882,7 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
ctx.Data["CanBlockUser"] = func(blocker, blockee *user_model.User) bool {
return user_service.CanBlockUser(ctx, ctx.Doer, blocker, blockee)
}
if !willShowSpecifiedCommit && !willShowSpecifiedCommitRange && pull.Flow == issues_model.PullRequestFlowGithub {
if isShowAllCommits && pull.Flow == issues_model.PullRequestFlowGithub {
if err := pull.LoadHeadRepo(ctx); err != nil {
ctx.ServerError("LoadHeadRepo", err)
return
@@ -930,19 +911,17 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
}
func ViewPullFilesForSingleCommit(ctx *context.Context) {
viewPullFiles(ctx, "", ctx.PathParam("sha"), true, true)
// it doesn't support showing files from mergebase to the special commit
// otherwise it will be ambiguous
viewPullFiles(ctx, "", ctx.PathParam("sha"))
}
func ViewPullFilesForRange(ctx *context.Context) {
viewPullFiles(ctx, ctx.PathParam("shaFrom"), ctx.PathParam("shaTo"), true, false)
}
func ViewPullFilesStartingFromCommit(ctx *context.Context) {
viewPullFiles(ctx, "", ctx.PathParam("sha"), true, false)
viewPullFiles(ctx, ctx.PathParam("shaFrom"), ctx.PathParam("shaTo"))
}
func ViewPullFilesForAllCommitsOfPr(ctx *context.Context) {
viewPullFiles(ctx, "", "", false, false)
viewPullFiles(ctx, "", "")
}
// UpdatePullRequest merge PR's baseBranch into headBranch

5
routers/web/web.go
View File

@@ -1531,7 +1531,7 @@ func registerWebRoutes(m *web.Router) {
m.Group("/commits", func() {
m.Get("", repo.SetWhitespaceBehavior, repo.GetPullDiffStats, repo.ViewPullCommits)
m.Get("/list", repo.GetPullCommits)
m.Get("/{sha:[a-f0-9]{7,40}}", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesForSingleCommit)
m.Get("/{sha:[a-f0-9]{7,64}}", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesForSingleCommit)
})
m.Post("/merge", context.RepoMustNotBeArchived(), web.Bind(forms.MergePullRequestForm{}), repo.MergePullRequest)
m.Post("/cancel_auto_merge", context.RepoMustNotBeArchived(), repo.CancelAutoMergePullRequest)
@@ -1540,8 +1540,7 @@ func registerWebRoutes(m *web.Router) {
m.Post("/cleanup", context.RepoMustNotBeArchived(), repo.CleanUpPullRequest)
m.Group("/files", func() {
m.Get("", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesForAllCommitsOfPr)
m.Get("/{sha:[a-f0-9]{7,40}}", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesStartingFromCommit)
m.Get("/{shaFrom:[a-f0-9]{7,40}}..{shaTo:[a-f0-9]{7,40}}", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesForRange)
m.Get("/{shaFrom:[a-f0-9]{7,64}}..{shaTo:[a-f0-9]{7,64}}", repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.SetShowOutdatedComments, repo.ViewPullFilesForRange)
m.Group("/reviews", func() {
m.Get("/new_comment", repo.RenderNewCodeCommentForm)
m.Post("/comments", web.Bind(forms.CodeCommentForm{}), repo.SetShowOutdatedComments, repo.CreateCodeComment)