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https://gitee.com/gitea/gitea
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Update git module (#2074)
This commit is contained in:
Jonas Östanbäck
committed by
Lunny Xiao
Lunny Xiao
parent
858197b453
commit
1f4d84b7b2
247
vendor/code.gitea.io/git/tree_entry.go
generated
vendored
247
vendor/code.gitea.io/git/tree_entry.go
generated
vendored
@@ -7,6 +7,8 @@ package git
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import (
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"fmt"
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"path"
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"path/filepath"
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"runtime"
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"sort"
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"strconv"
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"strings"
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@@ -145,159 +147,112 @@ func (tes Entries) Sort() {
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sort.Sort(tes)
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}
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// getCommitInfoState transient state for getting commit info for entries
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type getCommitInfoState struct {
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entries map[string]*TreeEntry // map from filepath to entry
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commits map[string]*Commit // map from filepath to commit
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lastCommitHash string
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lastCommit *Commit
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treePath string
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headCommit *Commit
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nextSearchSize int // next number of commits to search for
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type commitInfo struct {
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entryName string
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infos []interface{}
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err error
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}
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func initGetCommitInfoState(entries Entries, headCommit *Commit, treePath string) *getCommitInfoState {
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entriesByPath := make(map[string]*TreeEntry, len(entries))
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for _, entry := range entries {
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entriesByPath[path.Join(treePath, entry.Name())] = entry
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}
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if treePath = path.Clean(treePath); treePath == "." {
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treePath = ""
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}
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return &getCommitInfoState{
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entries: entriesByPath,
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commits: make(map[string]*Commit, len(entriesByPath)),
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treePath: treePath,
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headCommit: headCommit,
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nextSearchSize: 16,
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}
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}
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// GetCommitsInfo gets information of all commits that are corresponding to these entries
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// GetCommitsInfo takes advantages of concurrency to speed up getting information
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// of all commits that are corresponding to these entries. This method will automatically
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// choose the right number of goroutine (concurrency) to use related of the host CPU.
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func (tes Entries) GetCommitsInfo(commit *Commit, treePath string) ([][]interface{}, error) {
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state := initGetCommitInfoState(tes, commit, treePath)
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if err := getCommitsInfo(state); err != nil {
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return tes.GetCommitsInfoWithCustomConcurrency(commit, treePath, 0)
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}
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// GetCommitsInfoWithCustomConcurrency takes advantages of concurrency to speed up getting information
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// of all commits that are corresponding to these entries. If the given maxConcurrency is negative or
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// equal to zero: the right number of goroutine (concurrency) to use will be chosen related of the
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// host CPU.
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func (tes Entries) GetCommitsInfoWithCustomConcurrency(commit *Commit, treePath string, maxConcurrency int) ([][]interface{}, error) {
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if len(tes) == 0 {
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return nil, nil
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}
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if maxConcurrency <= 0 {
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maxConcurrency = runtime.NumCPU()
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}
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// Length of taskChan determines how many goroutines (subprocesses) can run at the same time.
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// The length of revChan should be same as taskChan so goroutines whoever finished job can
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// exit as early as possible, only store data inside channel.
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taskChan := make(chan bool, maxConcurrency)
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revChan := make(chan commitInfo, maxConcurrency)
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doneChan := make(chan error)
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// Receive loop will exit when it collects same number of data pieces as tree entries.
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// It notifies doneChan before exits or notify early with possible error.
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infoMap := make(map[string][]interface{}, len(tes))
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go func() {
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i := 0
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for info := range revChan {
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if info.err != nil {
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doneChan <- info.err
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return
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}
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infoMap[info.entryName] = info.infos
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i++
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if i == len(tes) {
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break
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}
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}
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doneChan <- nil
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}()
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for i := range tes {
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// When taskChan is idle (or has empty slots), put operation will not block.
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// However when taskChan is full, code will block and wait any running goroutines to finish.
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taskChan <- true
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if tes[i].Type != ObjectCommit {
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go func(i int) {
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cinfo := commitInfo{entryName: tes[i].Name()}
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c, err := commit.GetCommitByPath(filepath.Join(treePath, tes[i].Name()))
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if err != nil {
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cinfo.err = fmt.Errorf("GetCommitByPath (%s/%s): %v", treePath, tes[i].Name(), err)
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} else {
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cinfo.infos = []interface{}{tes[i], c}
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}
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revChan <- cinfo
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<-taskChan // Clear one slot from taskChan to allow new goroutines to start.
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}(i)
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continue
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}
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// Handle submodule
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go func(i int) {
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cinfo := commitInfo{entryName: tes[i].Name()}
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sm, err := commit.GetSubModule(path.Join(treePath, tes[i].Name()))
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if err != nil && !IsErrNotExist(err) {
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cinfo.err = fmt.Errorf("GetSubModule (%s/%s): %v", treePath, tes[i].Name(), err)
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revChan <- cinfo
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return
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}
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smURL := ""
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if sm != nil {
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smURL = sm.URL
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}
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c, err := commit.GetCommitByPath(filepath.Join(treePath, tes[i].Name()))
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if err != nil {
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cinfo.err = fmt.Errorf("GetCommitByPath (%s/%s): %v", treePath, tes[i].Name(), err)
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} else {
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cinfo.infos = []interface{}{tes[i], NewSubModuleFile(c, smURL, tes[i].ID.String())}
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}
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revChan <- cinfo
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<-taskChan
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}(i)
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}
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if err := <-doneChan; err != nil {
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return nil, err
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}
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commitsInfo := make([][]interface{}, len(tes))
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for i, entry := range tes {
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commit = state.commits[path.Join(treePath, entry.Name())]
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switch entry.Type {
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case ObjectCommit:
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subModuleURL := ""
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if subModule, err := state.headCommit.GetSubModule(entry.Name()); err != nil {
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return nil, err
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} else if subModule != nil {
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subModuleURL = subModule.URL
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}
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subModuleFile := NewSubModuleFile(commit, subModuleURL, entry.ID.String())
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commitsInfo[i] = []interface{}{entry, subModuleFile}
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default:
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commitsInfo[i] = []interface{}{entry, commit}
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}
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for i := 0; i < len(tes); i++ {
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commitsInfo[i] = infoMap[tes[i].Name()]
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}
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return commitsInfo, nil
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}
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func (state *getCommitInfoState) nextCommit(hash string) {
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state.lastCommitHash = hash
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state.lastCommit = nil
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}
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func (state *getCommitInfoState) commit() (*Commit, error) {
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var err error
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if state.lastCommit == nil {
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state.lastCommit, err = state.headCommit.repo.GetCommit(state.lastCommitHash)
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}
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return state.lastCommit, err
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}
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func (state *getCommitInfoState) update(entryPath string) error {
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var entryNameStartIndex int
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if len(state.treePath) > 0 {
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entryNameStartIndex = len(state.treePath) + 1
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}
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if index := strings.IndexByte(entryPath[entryNameStartIndex:], '/'); index >= 0 {
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entryPath = entryPath[:entryNameStartIndex+index]
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}
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if _, ok := state.entries[entryPath]; !ok {
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return nil
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} else if _, ok := state.commits[entryPath]; ok {
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return nil
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}
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var err error
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state.commits[entryPath], err = state.commit()
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return err
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}
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func getCommitsInfo(state *getCommitInfoState) error {
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for len(state.entries) > len(state.commits) {
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if err := getNextCommitInfos(state); err != nil {
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return err
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}
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}
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return nil
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}
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func getNextCommitInfos(state *getCommitInfoState) error {
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logOutput, err := logCommand(state.lastCommitHash, state).RunInDir(state.headCommit.repo.Path)
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if err != nil {
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return err
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}
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lines := strings.Split(logOutput, "\n")
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i := 0
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for i < len(lines) {
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state.nextCommit(lines[i])
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i++
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for ; i < len(lines); i++ {
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entryPath := lines[i]
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if entryPath == "" {
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break
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}
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if entryPath[0] == '"' {
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entryPath, err = strconv.Unquote(entryPath)
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if err != nil {
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return fmt.Errorf("Unquote: %v", err)
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}
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}
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if err = state.update(entryPath); err != nil {
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return err
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}
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}
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i++ // skip blank line
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if len(state.entries) == len(state.commits) {
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break
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}
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}
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return nil
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}
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func logCommand(exclusiveStartHash string, state *getCommitInfoState) *Command {
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var commitHash string
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if len(exclusiveStartHash) == 0 {
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commitHash = state.headCommit.ID.String()
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} else {
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commitHash = exclusiveStartHash + "^"
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}
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var command *Command
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numRemainingEntries := len(state.entries) - len(state.commits)
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if numRemainingEntries < 32 {
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searchSize := (numRemainingEntries + 1) / 2
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command = NewCommand("log", prettyLogFormat, "--name-only",
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"-"+strconv.Itoa(searchSize), commitHash, "--")
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for entryPath := range state.entries {
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if _, ok := state.commits[entryPath]; !ok {
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command.AddArguments(entryPath)
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}
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}
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} else {
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command = NewCommand("log", prettyLogFormat, "--name-only",
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"-"+strconv.Itoa(state.nextSearchSize), commitHash, "--", state.treePath)
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}
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state.nextSearchSize += state.nextSearchSize
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return command
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}
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