mirror of
https://codeberg.org/forgejo/forgejo.git
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Backport https://github.com/go-gitea/gitea/pull/28794
Fixes #22236
---
Error occurring currently while trying to revert commit using read-tree
-m approach:
> 2022/12/26 16:04:43 ...rvices/pull/patch.go:240:AttemptThreeWayMerge()
[E] [63a9c61a] Unable to run read-tree -m! Error: exit status 128 -
fatal: this operation must be run in a work tree
> - fatal: this operation must be run in a work tree
We need to clone a non-bare repository for `git read-tree -m` to work.
bb371aee6e
adds support to create a non-bare cloned temporary upload repository.
After cloning a non-bare temporary upload repository, we [set default
index](https://github.com/go-gitea/gitea/blob/main/services/repository/files/cherry_pick.go#L37)
(`git read-tree HEAD`).
This operation ends up resetting the git index file (see investigation
details below), due to which, we need to call `git update-index
--refresh` afterward.
Here's the diff of the index file before and after we execute
SetDefaultIndex: https://www.diffchecker.com/hyOP3eJy/
Notice the **ctime**, **mtime** are set to 0 after SetDefaultIndex.
You can reproduce the same behavior using these steps:
```bash
$ git clone https://try.gitea.io/me-heer/test.git -s -b main
$ cd test
$ git read-tree HEAD
$ git read-tree -m 1f085d7ed8 1f085d7ed8 9933caed00
error: Entry '1' not uptodate. Cannot merge.
```
After which, we can fix like this:
```bash
$ git update-index --refresh
$ git read-tree -m 1f085d7ed8 1f085d7ed8 9933caed00
```
This commit is contained in:
parent
89960c3dfb
commit
62f2d717b7
18 changed files with 98 additions and 9 deletions
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@ -649,3 +649,10 @@
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repo_id: 49
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type: 2
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created_unix: 946684810
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-
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id: 98
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repo_id: 59
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type: 1
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config: "{}"
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created_unix: 946684810
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@ -1693,3 +1693,16 @@
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size: 0
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is_fsck_enabled: true
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close_issues_via_commit_in_any_branch: false
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-
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id: 59
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owner_id: 2
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owner_name: user2
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lower_name: test_commit_revert
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name: test_commit_revert
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default_branch: main
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is_empty: false
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is_archived: false
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is_private: true
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status: 0
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num_issues: 0
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@ -66,7 +66,7 @@
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num_followers: 2
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num_following: 1
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num_stars: 2
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num_repos: 14
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num_repos: 15
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num_teams: 0
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num_members: 0
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visibility: 0
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@ -267,7 +267,7 @@ func alterRepositoryContent(ctx context.Context, doer *user_model.User, repo *re
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defer t.Close()
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var lastCommitID string
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if err := t.Clone(repo.DefaultBranch); err != nil {
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if err := t.Clone(repo.DefaultBranch, true); err != nil {
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if !git.IsErrBranchNotExist(err) || !repo.IsEmpty {
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return err
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}
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@ -31,12 +31,15 @@ func CherryPick(ctx context.Context, repo *repo_model.Repository, doer *user_mod
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log.Error("%v", err)
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}
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defer t.Close()
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if err := t.Clone(opts.OldBranch); err != nil {
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if err := t.Clone(opts.OldBranch, false); err != nil {
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return nil, err
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}
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if err := t.SetDefaultIndex(); err != nil {
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return nil, err
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}
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if err := t.RefreshIndex(); err != nil {
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return nil, err
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}
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// Get the commit of the original branch
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commit, err := t.GetBranchCommit(opts.OldBranch)
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@ -21,7 +21,7 @@ func GetDiffPreview(ctx context.Context, repo *repo_model.Repository, branch, tr
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return nil, err
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}
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defer t.Close()
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if err := t.Clone(branch); err != nil {
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if err := t.Clone(branch, true); err != nil {
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return nil, err
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}
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if err := t.SetDefaultIndex(); err != nil {
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@ -108,7 +108,7 @@ func ApplyDiffPatch(ctx context.Context, repo *repo_model.Repository, doer *user
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log.Error("%v", err)
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}
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defer t.Close()
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if err := t.Clone(opts.OldBranch); err != nil {
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if err := t.Clone(opts.OldBranch, true); err != nil {
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return nil, err
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}
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if err := t.SetDefaultIndex(); err != nil {
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@ -51,8 +51,13 @@ func (t *TemporaryUploadRepository) Close() {
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}
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// Clone the base repository to our path and set branch as the HEAD
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func (t *TemporaryUploadRepository) Clone(branch string) error {
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if _, _, err := git.NewCommand(t.ctx, "clone", "-s", "--bare", "-b").AddDynamicArguments(branch, t.repo.RepoPath(), t.basePath).RunStdString(nil); err != nil {
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func (t *TemporaryUploadRepository) Clone(branch string, bare bool) error {
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cmd := git.NewCommand(t.ctx, "clone", "-s", "-b").AddDynamicArguments(branch, t.repo.RepoPath(), t.basePath)
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if bare {
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cmd.AddArguments("--bare")
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}
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if _, _, err := cmd.RunStdString(nil); err != nil {
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stderr := err.Error()
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if matched, _ := regexp.MatchString(".*Remote branch .* not found in upstream origin.*", stderr); matched {
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return git.ErrBranchNotExist{
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@ -98,6 +103,14 @@ func (t *TemporaryUploadRepository) SetDefaultIndex() error {
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return nil
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}
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// RefreshIndex looks at the current index and checks to see if merges or updates are needed by checking stat() information.
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func (t *TemporaryUploadRepository) RefreshIndex() error {
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if _, _, err := git.NewCommand(t.ctx, "update-index", "--refresh").RunStdString(&git.RunOpts{Dir: t.basePath}); err != nil {
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return fmt.Errorf("RefreshIndex: %w", err)
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}
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return nil
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}
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// LsFiles checks if the given filename arguments are in the index
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func (t *TemporaryUploadRepository) LsFiles(filenames ...string) ([]string, error) {
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stdOut := new(bytes.Buffer)
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@ -141,7 +141,7 @@ func ChangeRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use
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}
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defer t.Close()
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hasOldBranch := true
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if err := t.Clone(opts.OldBranch); err != nil {
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if err := t.Clone(opts.OldBranch, true); err != nil {
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for _, file := range opts.Files {
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if file.Operation == "delete" {
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return nil, err
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@ -87,7 +87,7 @@ func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use
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defer t.Close()
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hasOldBranch := true
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if err = t.Clone(opts.OldBranch); err != nil {
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if err = t.Clone(opts.OldBranch, true); err != nil {
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if !git.IsErrBranchNotExist(err) || !repo.IsEmpty {
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return err
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}
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@ -0,0 +1 @@
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ref: refs/heads/main
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@ -0,0 +1,8 @@
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[core]
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repositoryformatversion = 0
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filemode = true
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bare = true
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ignorecase = true
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precomposeunicode = true
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[remote "origin"]
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url = https://try.gitea.io/me-heer/test_commit_revert.git
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@ -0,0 +1 @@
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Unnamed repository; edit this file 'description' to name the repository.
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@ -0,0 +1,6 @@
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# git ls-files --others --exclude-from=.git/info/exclude
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# Lines that start with '#' are comments.
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# For a project mostly in C, the following would be a good set of
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# exclude patterns (uncomment them if you want to use them):
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# *.[oa]
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# *~
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Binary file not shown.
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@ -0,0 +1,3 @@
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# pack-refs with: peeled fully-peeled sorted
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46aa6ab2c881ae90e15d9ccfc947d1625c892ce5 refs/heads/develop
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deebcbc752e540bab4ce3ee713d3fc8fdc35b2f7 refs/heads/main
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34
tests/integration/repo_mergecommit_revert_test.go
Normal file
34
tests/integration/repo_mergecommit_revert_test.go
Normal file
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@ -0,0 +1,34 @@
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package integration
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import (
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"net/http"
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"testing"
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"code.gitea.io/gitea/tests"
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"github.com/stretchr/testify/assert"
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)
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func TestRepoMergeCommitRevert(t *testing.T) {
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defer tests.PrepareTestEnv(t)()
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session := loginUser(t, "user2")
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req := NewRequest(t, "GET", "/user2/test_commit_revert/_cherrypick/deebcbc752e540bab4ce3ee713d3fc8fdc35b2f7/main?ref=main&refType=branch&cherry-pick-type=revert")
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resp := session.MakeRequest(t, req, http.StatusOK)
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htmlDoc := NewHTMLParser(t, resp.Body)
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req = NewRequestWithValues(t, "POST", "/user2/test_commit_revert/_cherrypick/deebcbc752e540bab4ce3ee713d3fc8fdc35b2f7/main", map[string]string{
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"_csrf": htmlDoc.GetCSRF(),
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"last_commit": "deebcbc752e540bab4ce3ee713d3fc8fdc35b2f7",
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"page_has_posted": "true",
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"revert": "true",
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"commit_summary": "reverting test commit",
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"commit_message": "test message",
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"commit_choice": "direct",
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"new_branch_name": "test-revert-branch-1",
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})
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resp = session.MakeRequest(t, req, http.StatusSeeOther)
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// A successful revert redirects to the main branch
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assert.EqualValues(t, "/user2/test_commit_revert/src/branch/main", resp.Header().Get("Location"))
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}
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