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	Sort branches and tags by date descending (#21136)
This fixes #5709 and #17316 by changing the order of listed branches and tags to show the ones with latest commits atop. It's achieved with changing underlying "show-ref" git command with "for-each-ref" as suggested in https://stackoverflow.com/a/5188364 Also, it's passing format string so the output matches "show-ref" command output. close #5709 close #17316
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		@@ -63,7 +63,7 @@ func (repo *Repository) IsBranchExist(name string) bool {
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// GetBranchNames returns branches from the repository, skipping skip initial branches and
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// returning at most limit branches, or all branches if limit is 0.
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func (repo *Repository) GetBranchNames(skip, limit int) ([]string, int, error) {
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	return callShowRef(repo.Ctx, repo.Path, BranchPrefix, "--heads", skip, limit)
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	return callShowRef(repo.Ctx, repo.Path, BranchPrefix, BranchPrefix+" --sort=-committerdate", skip, limit)
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}
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// WalkReferences walks all the references from the repository
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@@ -77,9 +77,9 @@ func (repo *Repository) WalkReferences(refType ObjectType, skip, limit int, walk
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	var arg string
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	switch refType {
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	case ObjectTag:
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		arg = "--tags"
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		arg = TagPrefix + " --sort=-taggerdate"
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	case ObjectBranch:
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		arg = "--heads"
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		arg = BranchPrefix + " --sort=-committerdate"
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	default:
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		arg = ""
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	}
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@@ -107,9 +107,9 @@ func walkShowRef(ctx context.Context, repoPath, arg string, skip, limit int, wal
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	go func() {
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		stderrBuilder := &strings.Builder{}
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		args := []string{"show-ref"}
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		args := []string{"for-each-ref", "--format=%(objectname) %(refname)"}
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		if arg != "" {
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			args = append(args, arg)
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			args = append(args, strings.Fields(arg)...)
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		}
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		err := NewCommand(ctx, args...).Run(&RunOpts{
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			Dir:    repoPath,
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@@ -22,14 +22,14 @@ func TestRepository_GetBranches(t *testing.T) {
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	assert.NoError(t, err)
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	assert.Len(t, branches, 2)
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	assert.EqualValues(t, 3, countAll)
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	assert.ElementsMatch(t, []string{"branch1", "branch2"}, branches)
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	assert.ElementsMatch(t, []string{"master", "branch2"}, branches)
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	branches, countAll, err = bareRepo1.GetBranchNames(0, 0)
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	assert.NoError(t, err)
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	assert.Len(t, branches, 3)
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	assert.EqualValues(t, 3, countAll)
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	assert.ElementsMatch(t, []string{"branch1", "branch2", "master"}, branches)
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	assert.ElementsMatch(t, []string{"master", "branch2", "branch1"}, branches)
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	branches, countAll, err = bareRepo1.GetBranchNames(5, 1)
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@@ -26,7 +26,7 @@ func (repo *Repository) IsTagExist(name string) bool {
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// GetTags returns all tags of the repository.
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// returning at most limit tags, or all if limit is 0.
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func (repo *Repository) GetTags(skip, limit int) (tags []string, err error) {
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	tags, _, err = callShowRef(repo.Ctx, repo.Path, TagPrefix, "--tags", skip, limit)
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	tags, _, err = callShowRef(repo.Ctx, repo.Path, TagPrefix, TagPrefix+" --sort=-taggerdate", skip, limit)
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	return tags, err
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}
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