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Make gogit Repository.GetBranchNames consistent (#28348)
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1 changed files with 28 additions and 13 deletions
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@ -8,6 +8,7 @@ package git
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import (
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"context"
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"sort"
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"strings"
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"github.com/go-git/go-git/v5/plumbing"
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@ -52,32 +53,46 @@ func (repo *Repository) IsBranchExist(name string) bool {
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// GetBranches 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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// Branches are returned with sort of `-commiterdate` as the nogogit
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// implementation. This requires full fetch, sort and then the
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// skip/limit applies later as gogit returns in undefined order.
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func (repo *Repository) GetBranchNames(skip, limit int) ([]string, int, error) {
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var branchNames []string
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type BranchData struct {
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name string
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committerDate int64
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}
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var branchData []BranchData
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branches, err := repo.gogitRepo.Branches()
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branchIter, err := repo.gogitRepo.Branches()
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if err != nil {
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return nil, 0, err
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}
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i := 0
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count := 0
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_ = branches.ForEach(func(branch *plumbing.Reference) error {
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count++
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if i < skip {
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i++
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return nil
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} else if limit != 0 && count > skip+limit {
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_ = branchIter.ForEach(func(branch *plumbing.Reference) error {
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obj, err := repo.gogitRepo.CommitObject(branch.Hash())
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if err != nil {
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// skip branch if can't find commit
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return nil
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}
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branchNames = append(branchNames, strings.TrimPrefix(branch.Name().String(), BranchPrefix))
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branchData = append(branchData, BranchData{strings.TrimPrefix(branch.Name().String(), BranchPrefix), obj.Committer.When.Unix()})
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return nil
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})
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// TODO: Sort?
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sort.Slice(branchData, func(i, j int) bool {
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return !(branchData[i].committerDate < branchData[j].committerDate)
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})
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return branchNames, count, nil
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var branchNames []string
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maxPos := len(branchData)
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if limit > 0 {
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maxPos = min(skip+limit, maxPos)
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}
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for i := skip; i < maxPos; i++ {
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branchNames = append(branchNames, branchData[i].name)
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}
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return branchNames, len(branchData), nil
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}
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// WalkReferences walks all the references from the repository
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