2021-11-05 17:19:06 +00:00
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package commands
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import (
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"fmt"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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2024-03-24 14:19:16 +00:00
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"gitlab.com/revalus/grm/internal/config"
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"sort"
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2021-11-05 17:19:06 +00:00
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)
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type StatusChecker struct {
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workspace string
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}
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func NewStatusChecker(workspace string) StatusChecker {
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return StatusChecker{
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workspace: workspace,
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}
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}
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func findNumberOfCommitDiffs(srcCommit *object.Commit, dstCommit *object.Commit) int {
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getFiveElementsFromHashes := func(commit *object.Commit, hashedSlice *[]string) *object.Commit {
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var err error
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for iter := 0; iter <= 5; iter++ {
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*hashedSlice = append(*hashedSlice, commit.Hash.String())
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commit, err = commit.Parents().Next()
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if err != nil {
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return nil
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}
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}
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return commit
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}
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getRangeDiff := func(listFist, listSecond []string) (int, bool) {
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diffRange := 0
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for _, itemFirst := range listFist {
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for _, itemSecond := range listSecond {
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if itemFirst == itemSecond {
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return diffRange, true
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}
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}
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diffRange++
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}
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return diffRange, false
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}
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baseCommitHashes := []string{}
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destCommitHashes := []string{}
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for {
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if srcCommit != nil {
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srcCommit = getFiveElementsFromHashes(srcCommit, &baseCommitHashes)
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}
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if dstCommit != nil {
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dstCommit = getFiveElementsFromHashes(dstCommit, &destCommitHashes)
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}
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diff, finished := getRangeDiff(baseCommitHashes, destCommitHashes)
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if finished {
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return diff
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}
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}
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}
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2021-11-08 17:30:45 +00:00
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func (sc StatusChecker) Command(repoCfg config.RepositoryConfig) CommandStatus {
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2021-11-05 17:19:06 +00:00
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cmdStatus := CommandStatus{
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Name: repoCfg.Name,
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Changed: false,
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Message: "",
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Error: false,
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}
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destPath := fmt.Sprintf("%v/%v", sc.workspace, repoCfg.Dest)
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repo, err := git.PlainOpen(destPath)
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if err != nil {
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cmdStatus.Error = true
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cmdStatus.Message = err.Error()
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2021-11-08 17:30:45 +00:00
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return cmdStatus
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2021-11-05 17:19:06 +00:00
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}
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headReference, err := repo.Head()
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if err != nil {
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cmdStatus.Error = true
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cmdStatus.Message = err.Error()
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2021-11-08 17:30:45 +00:00
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return cmdStatus
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2021-11-05 17:19:06 +00:00
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}
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remotes, err := repo.Remotes()
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if err != nil || len(remotes) == 0 {
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cmdStatus.Error = true
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cmdStatus.Message = "cannot find remote branches"
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2021-11-08 17:30:45 +00:00
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return cmdStatus
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2021-11-05 17:19:06 +00:00
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}
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currentBranchCommit, err := repo.CommitObject(headReference.Hash())
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if err != nil {
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cmdStatus.Error = true
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cmdStatus.Message = err.Error()
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2021-11-08 17:30:45 +00:00
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return cmdStatus
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2021-11-05 17:19:06 +00:00
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}
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type remoteStatus struct {
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ahead int
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behind int
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err error
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}
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2024-03-24 14:19:16 +00:00
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var remoteNames []string
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remoteStatues := make(map[string]remoteStatus)
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2021-11-05 17:19:06 +00:00
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for _, remote := range remotes {
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remoteName := remote.Config().Name
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remoteRevision, err := repo.ResolveRevision(plumbing.Revision(fmt.Sprintf("%v/%v", remoteName, headReference.Name().Short())))
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if err != nil {
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2024-03-24 14:19:16 +00:00
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remoteStatues[remoteName] = remoteStatus{
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2021-11-05 17:19:06 +00:00
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err: err,
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}
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continue
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}
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remoteBranchCommit, err := repo.CommitObject(*remoteRevision)
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if err != nil {
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2024-03-24 14:19:16 +00:00
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remoteStatues[remoteName] = remoteStatus{
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2021-11-05 17:19:06 +00:00
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err: err,
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}
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continue
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}
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status := remoteStatus{
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ahead: findNumberOfCommitDiffs(currentBranchCommit, remoteBranchCommit),
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behind: findNumberOfCommitDiffs(remoteBranchCommit, currentBranchCommit),
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}
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if status.ahead > 0 || status.behind > 0 {
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cmdStatus.Changed = true
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}
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2024-03-24 14:19:16 +00:00
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remoteNames = append(remoteNames, remoteName)
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remoteStatues[remoteName] = status
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2021-11-05 17:19:06 +00:00
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}
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2024-03-24 14:19:16 +00:00
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sort.Strings(remoteNames)
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2021-11-05 17:19:06 +00:00
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cmdStatus.Message = fmt.Sprintf("branch %v", headReference.Name().Short())
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2024-03-24 14:19:16 +00:00
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for _, remoteName := range remoteNames {
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status := remoteStatues[remoteName]
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2021-11-05 17:19:06 +00:00
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if status.err != nil {
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cmdStatus.Message = fmt.Sprintf("%v - ( | %v | problem: %v )", cmdStatus.Message, remoteName, status.err.Error())
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continue
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}
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cmdStatus.Message = fmt.Sprintf("%v - ( | %v | \u2191%v \u2193%v )", cmdStatus.Message, remoteName, status.ahead, status.behind)
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}
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2021-11-08 17:30:45 +00:00
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return cmdStatus
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2021-11-05 17:19:06 +00:00
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}
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