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Generate Diff and Patch direct from Pull head (#10936) (#10938) 

Backport #10936

* Generate Diff and Patch direct from Pull head

Fix #10932
Also fix "Empty Diff/Patch File when pull is merged"

Closes #10934

* Add tests to ensure that diff does not change
* Ensure diffs and pulls pages work if head branch is deleted too

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2020-04-03 15:06:54 +01:00 committed by GitHub
parent 3afbbfe921
commit 99a364a9dc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 72 additions and 22 deletions
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69
integrations/git_test.go
View File

@ -71,7 +71,6 @@ func testGit(t *testing.T, u *url.URL) {
t.Run("BranchProtectMerge", doBranchProtectPRMerge(&httpContext, dstPath))
t.Run("MergeFork", func(t *testing.T) {
t.Run("CreatePRAndMerge", doMergeFork(httpContext, forkedUserCtx, "master", httpContext.Username+":master"))
t.Run("DeleteRepository", doAPIDeleteRepository(httpContext))
rawTest(t, &forkedUserCtx, little, big, littleLFS, bigLFS)
mediaTest(t, &forkedUserCtx, little, big, littleLFS, bigLFS)
})
@ -111,7 +110,6 @@ func testGit(t *testing.T, u *url.URL) {
t.Run("BranchProtectMerge", doBranchProtectPRMerge(&sshContext, dstPath))
t.Run("MergeFork", func(t *testing.T) {
t.Run("CreatePRAndMerge", doMergeFork(sshContext, forkedUserCtx, "master", sshContext.Username+":master"))
t.Run("DeleteRepository", doAPIDeleteRepository(sshContext))
rawTest(t, &forkedUserCtx, little, big, littleLFS, bigLFS)
mediaTest(t, &forkedUserCtx, little, big, littleLFS, bigLFS)
})
@ -419,8 +417,62 @@ func doMergeFork(ctx, baseCtx APITestContext, baseBranch, headBranch string) fun
pr, err = doAPICreatePullRequest(ctx, baseCtx.Username, baseCtx.Reponame, baseBranch, headBranch)(t)
assert.NoError(t, err)
})
t.Run("EnsureCanSeePull", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/files", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/commits", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
})
var diffStr string
t.Run("GetDiff", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d.diff", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
resp := ctx.Session.MakeRequest(t, req, http.StatusOK)
diffStr = resp.Body.String()
})
t.Run("MergePR", doAPIMergePullRequest(baseCtx, baseCtx.Username, baseCtx.Reponame, pr.Index))
t.Run("EnsureCanSeePull", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/files", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/commits", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
})
t.Run("EnsureDiffNoChange", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d.diff", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
resp := ctx.Session.MakeRequest(t, req, http.StatusOK)
assert.Equal(t, diffStr, resp.Body.String())
})
t.Run("DeleteHeadBranch", doBranchDelete(baseCtx, baseCtx.Username, baseCtx.Reponame, headBranch))
t.Run("EnsureCanSeePull", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/files", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/commits", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
})
t.Run("EnsureDiffNoChange", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d.diff", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
resp := ctx.Session.MakeRequest(t, req, http.StatusOK)
assert.Equal(t, diffStr, resp.Body.String())
})
t.Run("DeleteRepository", doAPIDeleteRepository(ctx))
t.Run("EnsureCanSeePull", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/files", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
req = NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d/commits", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
ctx.Session.MakeRequest(t, req, http.StatusOK)
})
t.Run("EnsureDiffNoChange", func(t *testing.T) {
req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/pulls/%d.diff", url.PathEscape(baseCtx.Username), url.PathEscape(baseCtx.Reponame), pr.Index))
resp := ctx.Session.MakeRequest(t, req, http.StatusOK)
assert.Equal(t, diffStr, resp.Body.String())
})
}
}
@ -493,3 +545,14 @@ func doPushCreate(ctx APITestContext, u *url.URL) func(t *testing.T) {
assert.True(t, repo.IsPrivate)
}
}
func doBranchDelete(ctx APITestContext, owner, repo, branch string) func(*testing.T) {
return func(t *testing.T) {
csrf := GetCSRF(t, ctx.Session, fmt.Sprintf("/%s/%s/branches", url.PathEscape(owner), url.PathEscape(repo)))
req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/branches/delete?name=%s", url.PathEscape(owner), url.PathEscape(repo), url.QueryEscape(branch)), map[string]string{
"_csrf": csrf,
})
ctx.Session.MakeRequest(t, req, http.StatusOK)
}
}

25
services/pull/patch.go
View File

@ -31,32 +31,19 @@ func DownloadPatch(pr *models.PullRequest, w io.Writer, patch bool) error {
// DownloadDiffOrPatch will write the patch for the pr to the writer
func DownloadDiffOrPatch(pr *models.PullRequest, w io.Writer, patch bool) error {
// Clone base repo.
tmpBasePath, err := createTemporaryRepo(pr)
if err != nil {
log.Error("CreateTemporaryPath: %v", err)
if err := pr.LoadBaseRepo(); err != nil {
log.Error("Unable to load base repository ID %d for pr #%d [%d]", pr.BaseRepoID, pr.Index, pr.ID)
return err
}
defer func() {
if err := models.RemoveTemporaryPath(tmpBasePath); err != nil {
log.Error("DownloadDiff: RemoveTemporaryPath: %s", err)
}
}()
gitRepo, err := git.OpenRepository(tmpBasePath)
gitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
if err != nil {
return fmt.Errorf("OpenRepository: %v", err)
}
defer gitRepo.Close()
pr.MergeBase, err = git.NewCommand("merge-base", "--", "base", "tracking").RunInDir(tmpBasePath)
if err != nil {
pr.MergeBase = "base"
}
pr.MergeBase = strings.TrimSpace(pr.MergeBase)
if err := gitRepo.GetDiffOrPatch(pr.MergeBase, "tracking", w, patch); err != nil {
log.Error("Unable to get patch file from %s to %s in %s/%s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.MustOwner().Name, pr.BaseRepo.Name, err)
return fmt.Errorf("Unable to get patch file from %s to %s in %s/%s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.MustOwner().Name, pr.BaseRepo.Name, err)
if err := gitRepo.GetDiffOrPatch(pr.MergeBase, pr.GetGitRefName(), w, patch); err != nil {
log.Error("Unable to get patch file from %s to %s in %s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.FullName(), err)
return fmt.Errorf("Unable to get patch file from %s to %s in %s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.FullName(), err)
}
return nil
}