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Handle more pathological branch and tag names (#11843) #11863

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merged 2 commits into from
Jun 12, 2020
Merged

Handle more pathological branch and tag names (#11843) #11863

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a4fc1d7
Handle more pathological branch and tag names (#11843)
zeripath Jun 11, 2020
bec27f0
Merge branch 'release/v1.12' into backport-11843
techknowlogick Jun 12, 2020
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16 changes: 8 additions & 8 deletions integrations/branches_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,14 +32,14 @@ func TestDeleteBranch(t *testing.T) {
}

func TestUndoDeleteBranch(t *testing.T) {
defer prepareTestEnv(t)()

deleteBranch(t)
htmlDoc, name := branchAction(t, ".undo-button")
assert.Contains(t,
htmlDoc.doc.Find(".ui.positive.message").Text(),
i18n.Tr("en", "repo.branch.restore_success", name),
)
onGiteaRun(t, func(t *testing.T, u *url.URL) {
deleteBranch(t)
htmlDoc, name := branchAction(t, ".undo-button")
assert.Contains(t,
htmlDoc.doc.Find(".ui.positive.message").Text(),
i18n.Tr("en", "repo.branch.restore_success", name),
)
})
}

func deleteBranch(t *testing.T) {
Expand Down
2 changes: 1 addition & 1 deletion modules/git/repo_commit.go
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ func (repo *Repository) GetBranchCommitID(name string) (string, error) {

// GetTagCommitID returns last commit ID string of given tag.
func (repo *Repository) GetTagCommitID(name string) (string, error) {
stdout, err := NewCommand("rev-list", "-n", "1", name).RunInDir(repo.Path)
stdout, err := NewCommand("rev-list", "-n", "1", TagPrefix+name).RunInDir(repo.Path)
if err != nil {
if strings.Contains(err.Error(), "unknown revision or path") {
return "", ErrNotExist{name, ""}
Expand Down
72 changes: 6 additions & 66 deletions modules/repository/branch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@ import (

"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
)

// GetBranch returns a branch by its name
Expand Down Expand Up @@ -74,39 +73,9 @@ func CreateNewBranch(doer *models.User, repo *models.Repository, oldBranchName,
return fmt.Errorf("OldBranch: %s does not exist. Cannot create new branch from this", oldBranchName)
}

basePath, err := models.CreateTemporaryPath("branch-maker")
if err != nil {
return err
}
defer func() {
if err := models.RemoveTemporaryPath(basePath); err != nil {
log.Error("CreateNewBranch: RemoveTemporaryPath: %s", err)
}
}()

if err := git.Clone(repo.RepoPath(), basePath, git.CloneRepoOptions{
Bare: true,
Shared: true,
}); err != nil {
log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
return fmt.Errorf("Failed to clone repository: %s (%v)", repo.FullName(), err)
}

gitRepo, err := git.OpenRepository(basePath)
if err != nil {
log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
return fmt.Errorf("Failed to open new temporary repository in: %s %v", basePath, err)
}
defer gitRepo.Close()

if err = gitRepo.CreateBranch(branchName, oldBranchName); err != nil {
log.Error("Unable to create branch: %s from %s. (%v)", branchName, oldBranchName, err)
return fmt.Errorf("Unable to create branch: %s from %s. (%v)", branchName, oldBranchName, err)
}

if err = git.Push(basePath, git.PushOptions{
Remote: "origin",
Branch: branchName,
if err := git.Push(repo.RepoPath(), git.PushOptions{
Remote: repo.RepoPath(),
Branch: fmt.Sprintf("%s:%s%s", oldBranchName, git.BranchPrefix, branchName),
Env: models.PushingEnvironment(doer, repo),
}); err != nil {
if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
Expand All @@ -124,39 +93,10 @@ func CreateNewBranchFromCommit(doer *models.User, repo *models.Repository, commi
if err := checkBranchName(repo, branchName); err != nil {
return err
}
basePath, err := models.CreateTemporaryPath("branch-maker")
if err != nil {
return err
}
defer func() {
if err := models.RemoveTemporaryPath(basePath); err != nil {
log.Error("CreateNewBranchFromCommit: RemoveTemporaryPath: %s", err)
}
}()

if err := git.Clone(repo.RepoPath(), basePath, git.CloneRepoOptions{
Bare: true,
Shared: true,
}); err != nil {
log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
return fmt.Errorf("Failed to clone repository: %s (%v)", repo.FullName(), err)
}

gitRepo, err := git.OpenRepository(basePath)
if err != nil {
log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
return fmt.Errorf("Failed to open new temporary repository in: %s %v", basePath, err)
}
defer gitRepo.Close()

if err = gitRepo.CreateBranch(branchName, commit); err != nil {
log.Error("Unable to create branch: %s from %s. (%v)", branchName, commit, err)
return fmt.Errorf("Unable to create branch: %s from %s. (%v)", branchName, commit, err)
}

if err = git.Push(basePath, git.PushOptions{
Remote: "origin",
Branch: branchName,
if err := git.Push(repo.RepoPath(), git.PushOptions{
Remote: repo.RepoPath(),
Branch: fmt.Sprintf("%s:%s%s", commit, git.BranchPrefix, branchName),
Env: models.PushingEnvironment(doer, repo),
}); err != nil {
if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
Expand Down
17 changes: 9 additions & 8 deletions routers/repo/branch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
package repo

import (
"fmt"
"strings"

"code.gitea.io/gitea/models"
Expand Down Expand Up @@ -102,7 +103,11 @@ func RestoreBranchPost(ctx *context.Context) {
return
}

if err := ctx.Repo.GitRepo.CreateBranch(deletedBranch.Name, deletedBranch.Commit); err != nil {
if err := git.Push(ctx.Repo.Repository.RepoPath(), git.PushOptions{
Remote: ctx.Repo.Repository.RepoPath(),
Branch: fmt.Sprintf("%s:%s%s", deletedBranch.Commit, git.BranchPrefix, deletedBranch.Name),
Env: models.PushingEnvironment(ctx.User, ctx.Repo.Repository),
}); err != nil {
if strings.Contains(err.Error(), "already exists") {
ctx.Flash.Error(ctx.Tr("repo.branch.already_exists", deletedBranch.Name))
return
Expand All @@ -112,12 +117,6 @@ func RestoreBranchPost(ctx *context.Context) {
return
}

if err := ctx.Repo.Repository.RemoveDeletedBranch(deletedBranch.ID); err != nil {
log.Error("RemoveDeletedBranch: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", deletedBranch.Name))
return
}

// Don't return error below this
if err := repofiles.PushUpdate(
ctx.Repo.Repository,
Expand Down Expand Up @@ -216,7 +215,7 @@ func loadBranches(ctx *context.Context) []*Branch {
}
}

divergence, divergenceError := repofiles.CountDivergingCommits(ctx.Repo.Repository, branchName)
divergence, divergenceError := repofiles.CountDivergingCommits(ctx.Repo.Repository, git.BranchPrefix+branchName)
if divergenceError != nil {
ctx.ServerError("CountDivergingCommits", divergenceError)
return nil
Expand Down Expand Up @@ -331,6 +330,8 @@ func CreateBranch(ctx *context.Context, form auth.NewBranchForm) {
var err error
if ctx.Repo.IsViewBranch {
err = repo_module.CreateNewBranch(ctx.User, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
} else if ctx.Repo.IsViewTag {
err = repo_module.CreateNewBranchFromCommit(ctx.User, ctx.Repo.Repository, ctx.Repo.CommitID, form.NewBranchName)
} else {
err = repo_module.CreateNewBranchFromCommit(ctx.User, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
}
Expand Down
15 changes: 14 additions & 1 deletion routers/repo/compare.go
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Expand Up @@ -381,7 +381,20 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
return nil, nil, nil, nil, "", ""
}

compareInfo, err := headGitRepo.GetCompareInfo(baseRepo.RepoPath(), baseBranch, headBranch)
baseBranchRef := baseBranch
if baseIsBranch {
baseBranchRef = git.BranchPrefix + baseBranch
} else if baseIsTag {
baseBranchRef = git.TagPrefix + baseBranch
}
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, "", ""
Expand Down
2 changes: 1 addition & 1 deletion routers/repo/pull.go
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Expand Up @@ -484,7 +484,7 @@ func PrepareViewPullInfo(ctx *context.Context, issue *models.Issue) *git.Compare
}

compareInfo, err := baseGitRepo.GetCompareInfo(pull.BaseRepo.RepoPath(),
pull.BaseBranch, pull.GetGitRefName())
git.BranchPrefix+pull.BaseBranch, pull.GetGitRefName())
if err != nil {
if strings.Contains(err.Error(), "fatal: Not a valid object name") {
ctx.Data["IsPullRequestBroken"] = true
Expand Down
4 changes: 2 additions & 2 deletions services/pull/temp_repo.go
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Expand Up @@ -100,7 +100,7 @@ func createTemporaryRepo(pr *models.PullRequest) (string, error) {
outbuf.Reset()
errbuf.Reset()

if err := git.NewCommand("fetch", "origin", "--no-tags", pr.BaseBranch+":"+baseBranch, pr.BaseBranch+":original_"+baseBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
if err := git.NewCommand("fetch", "origin", "--no-tags", "--", pr.BaseBranch+":"+baseBranch, pr.BaseBranch+":original_"+baseBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
log.Error("Unable to fetch origin base branch [%s:%s -> base, original_base in %s]: %v:\n%s\n%s", pr.BaseRepo.FullName(), pr.BaseBranch, tmpBasePath, err, outbuf.String(), errbuf.String())
if err := models.RemoveTemporaryPath(tmpBasePath); err != nil {
log.Error("CreateTempRepo: RemoveTemporaryPath: %s", err)
Expand Down Expand Up @@ -140,7 +140,7 @@ func createTemporaryRepo(pr *models.PullRequest) (string, error) {

trackingBranch := "tracking"
// Fetch head branch
if err := git.NewCommand("fetch", "--no-tags", remoteRepoName, pr.HeadBranch+":"+trackingBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
if err := git.NewCommand("fetch", "--no-tags", remoteRepoName, git.BranchPrefix+pr.HeadBranch+":"+trackingBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
log.Error("Unable to fetch head_repo head branch [%s:%s -> tracking in %s]: %v:\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, tmpBasePath, err, outbuf.String(), errbuf.String())
if err := models.RemoveTemporaryPath(tmpBasePath); err != nil {
log.Error("CreateTempRepo: RemoveTemporaryPath: %s", err)
Expand Down