fix: release page for empty or non-existing target (#24470)
Fixes #24145 To solve the bug, I added a "computed" `TargetBehind` field to the `Release` model, which indicates the target branch of a release. This is particularly useful if the target branch was deleted in the meantime (or is empty). I also did a micro-optimization in `calReleaseNumCommitsBehind`. Instead of checking that a branch exists and then call `GetBranchCommit`, I immediately call `GetBranchCommit` and handle the `git.ErrNotExist` error. This optimization is covered by the added unit test.
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6 changed files with 107 additions and 17 deletions
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@ -108,3 +108,31 @@
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is_prerelease: false
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is_tag: false
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created_unix: 946684803
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- id: 9
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repo_id: 57
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publisher_id: 2
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tag_name: "non-existing-target-branch"
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lower_tag_name: "non-existing-target-branch"
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target: "non-existing"
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title: "non-existing-target-branch"
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sha1: "cef06e48f2642cd0dc9597b4bea09f4b3f74aad6"
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num_commits: 5
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is_draft: false
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is_prerelease: false
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is_tag: false
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created_unix: 946684803
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- id: 10
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repo_id: 57
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publisher_id: 2
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tag_name: "empty-target-branch"
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lower_tag_name: "empty-target-branch"
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target: ""
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title: "empty-target-branch"
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sha1: "cef06e48f2642cd0dc9597b4bea09f4b3f74aad6"
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num_commits: 5
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is_draft: false
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is_prerelease: false
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is_tag: false
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created_unix: 946684803
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@ -72,6 +72,7 @@ type Release struct {
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OriginalAuthorID int64 `xorm:"index"`
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LowerTagName string
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Target string
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TargetBehind string `xorm:"-"` // to handle non-existing or empty target
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Title string
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Sha1 string `xorm:"VARCHAR(40)"`
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NumCommits int64
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@ -5,6 +5,7 @@
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package repo
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import (
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"errors"
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"fmt"
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"net/http"
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"strings"
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@ -16,6 +17,7 @@ import (
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/markup/markdown"
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@ -36,24 +38,32 @@ const (
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// calReleaseNumCommitsBehind calculates given release has how many commits behind release target.
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func calReleaseNumCommitsBehind(repoCtx *context.Repository, release *repo_model.Release, countCache map[string]int64) error {
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// Get count if not exists
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if _, ok := countCache[release.Target]; !ok {
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// short-circuit for the default branch
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if repoCtx.Repository.DefaultBranch == release.Target || repoCtx.GitRepo.IsBranchExist(release.Target) {
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commit, err := repoCtx.GitRepo.GetBranchCommit(release.Target)
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if err != nil {
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target := release.Target
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if target == "" {
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target = repoCtx.Repository.DefaultBranch
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}
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// Get count if not cached
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if _, ok := countCache[target]; !ok {
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commit, err := repoCtx.GitRepo.GetBranchCommit(target)
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if err != nil {
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var errNotExist git.ErrNotExist
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if target == repoCtx.Repository.DefaultBranch || !errors.As(err, &errNotExist) {
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return fmt.Errorf("GetBranchCommit: %w", err)
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}
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countCache[release.Target], err = commit.CommitsCount()
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// fallback to default branch
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target = repoCtx.Repository.DefaultBranch
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commit, err = repoCtx.GitRepo.GetBranchCommit(target)
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if err != nil {
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return fmt.Errorf("CommitsCount: %w", err)
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return fmt.Errorf("GetBranchCommit(DefaultBranch): %w", err)
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}
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} else {
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// Use NumCommits of the newest release on that target
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countCache[release.Target] = release.NumCommits
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}
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countCache[target], err = commit.CommitsCount()
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if err != nil {
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return fmt.Errorf("CommitsCount: %w", err)
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}
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}
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release.NumCommitsBehind = countCache[release.Target] - release.NumCommits
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release.NumCommitsBehind = countCache[target] - release.NumCommits
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release.TargetBehind = target
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return nil
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}
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@ -11,6 +11,8 @@ import (
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"code.gitea.io/gitea/modules/test"
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"code.gitea.io/gitea/modules/web"
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"code.gitea.io/gitea/services/forms"
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"github.com/stretchr/testify/assert"
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)
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func TestNewReleasePost(t *testing.T) {
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@ -62,3 +64,48 @@ func TestNewReleasePost(t *testing.T) {
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ctx.Repo.GitRepo.Close()
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}
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}
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func TestNewReleasesList(t *testing.T) {
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unittest.PrepareTestEnv(t)
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ctx := test.MockContext(t, "user2/repo-release/releases")
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test.LoadUser(t, ctx, 2)
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test.LoadRepo(t, ctx, 57)
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test.LoadGitRepo(t, ctx)
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t.Cleanup(func() { ctx.Repo.GitRepo.Close() })
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Releases(ctx)
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releases := ctx.Data["Releases"].([]*repo_model.Release)
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type computedFields struct {
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NumCommitsBehind int64
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TargetBehind string
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}
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expectedComputation := map[string]computedFields{
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"v1.0": {
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NumCommitsBehind: 3,
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TargetBehind: "main",
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},
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"v1.1": {
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NumCommitsBehind: 1,
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TargetBehind: "main",
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},
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"v2.0": {
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NumCommitsBehind: 0,
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TargetBehind: "main",
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},
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"non-existing-target-branch": {
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NumCommitsBehind: 1,
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TargetBehind: "main",
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},
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"empty-target-branch": {
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NumCommitsBehind: 1,
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TargetBehind: "main",
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},
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}
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for _, r := range releases {
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actual := computedFields{
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NumCommitsBehind: r.NumCommitsBehind,
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TargetBehind: r.TargetBehind,
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}
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assert.Equal(t, expectedComputation[r.TagName], actual, "wrong computed fields for %s: %#v", r.TagName, r)
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}
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}
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@ -56,7 +56,7 @@
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{{end}}
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{{end}}
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<span class="ahead"><a href="{{$.RepoLink}}/compare/{{.TagName | PathEscapeSegments}}{{if .Target}}...{{.Target | PathEscapeSegments}}{{end}}">{{$.locale.Tr "repo.release.ahead.commits" .NumCommitsBehind | Str2html}}</a> {{$.locale.Tr "repo.tag.ahead.target" $.DefaultBranch}}</span>
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<span class="ahead"><a href="{{$.RepoLink}}/compare/{{.TagName | PathEscapeSegments}}...{{.TargetBehind | PathEscapeSegments}}">{{$.locale.Tr "repo.release.ahead.commits" .NumCommitsBehind | Str2html}}</a> {{$.locale.Tr "repo.tag.ahead.target" .TargetBehind}}</span>
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</p>
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{{else}}
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<p class="text grey">
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@ -77,7 +77,7 @@
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<span class="time">{{TimeSinceUnix .CreatedUnix $.locale}}</span>
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{{end}}
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{{if not .IsDraft}}
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| <span class="ahead"><a href="{{$.RepoLink}}/compare/{{.TagName | PathEscapeSegments}}...{{.Target | PathEscapeSegments}}">{{$.locale.Tr "repo.release.ahead.commits" .NumCommitsBehind | Str2html}}</a> {{$.locale.Tr "repo.release.ahead.target" .Target}}</span>
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| <span class="ahead"><a href="{{$.RepoLink}}/compare/{{.TagName | PathEscapeSegments}}...{{.TargetBehind | PathEscapeSegments}}">{{$.locale.Tr "repo.release.ahead.commits" .NumCommitsBehind | Str2html}}</a> {{$.locale.Tr "repo.release.ahead.target" .TargetBehind}}</span>
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{{end}}
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</p>
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{{end}}
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@ -143,10 +143,10 @@ func TestViewReleaseListNoLogin(t *testing.T) {
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htmlDoc := NewHTMLParser(t, rsp.Body)
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releases := htmlDoc.Find("#release-list li.ui.grid")
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assert.Equal(t, 3, releases.Length())
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assert.Equal(t, 5, releases.Length())
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links := make([]string, 0, 3)
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commitsToMain := make([]string, 0, 3)
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links := make([]string, 0, 5)
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commitsToMain := make([]string, 0, 5)
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releases.Each(func(i int, s *goquery.Selection) {
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link, exist := s.Find(".release-list-title a").Attr("href")
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if !exist {
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@ -158,11 +158,15 @@ func TestViewReleaseListNoLogin(t *testing.T) {
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})
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assert.EqualValues(t, []string{
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"/user2/repo-release/releases/tag/empty-target-branch",
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"/user2/repo-release/releases/tag/non-existing-target-branch",
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"/user2/repo-release/releases/tag/v2.0",
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"/user2/repo-release/releases/tag/v1.1",
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"/user2/repo-release/releases/tag/v1.0",
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}, links)
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assert.EqualValues(t, []string{
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"1 commits", // like v1.1
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"1 commits", // like v1.1
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"0 commits",
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"1 commits", // should be 3 commits ahead and 2 commits behind, but not implemented yet
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"3 commits",
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