Ejemplo n.º 1
0
// createDifferentialDiff generates a Phabricator resource that represents a diff between two revisions.
//
// The generated resource includes metadata about how the diff was generated, and a JSON representation
// of the changes from the diff, as parsed by Phabricator.
func (arc Arcanist) createDifferentialDiff(repo repository.Repo, mergeBase, revision string, req request.Request, priorDiffs []string) (*differentialDiff, error) {
	repoCommitDetails, err := repo.GetCommitDetails(revision)
	if err != nil {
		return nil, err
	}
	var revisionDetails CommitDetails
	revisionDetails.Commit = revision
	revisionDetails.Author = repoCommitDetails.Author
	revisionDetails.AuthorEmail = repoCommitDetails.AuthorEmail
	revisionDetails.Tree = repoCommitDetails.Tree
	revisionDetails.Time = repoCommitDetails.Time
	revisionDetails.Parents = repoCommitDetails.Parents
	revisionDetails.Summary = repoCommitDetails.Summary
	changes, err := arc.getDiffChanges(repo, mergeBase, revision)
	if err != nil {
		return nil, err
	}
	createRequest := differentialCreateDiffRequest{
		Branch:                    abbreviateRefName(req.ReviewRef),
		SourceControlSystem:       "git",
		SourceControlBaseRevision: string(mergeBase),
		SourcePath:                repo.GetPath(),
		LintStatus:                "skip",
		UnitStatus:                "skip",
		Changes:                   changes,
	}
	var createResponse differentialCreateDiffResponse
	runArcCommandOrDie("differential.creatediff", createRequest, &createResponse)
	if createResponse.Error != "" {
		return nil, fmt.Errorf(createResponse.ErrorMessage)
	}

	localCommits := make(map[string]interface{})
	for _, priorDiff := range priorDiffs {
		diffID, err := strconv.Atoi(priorDiff)
		if err != nil {
			return nil, err
		}
		queryRequest := differentialQueryDiffsRequest{[]int{diffID}}
		var queryResponse differentialQueryDiffsResponse
		runArcCommandOrDie("differential.querydiffs", queryRequest, &queryResponse)
		if queryResponse.Error != "" {
			return nil, fmt.Errorf(queryResponse.ErrorMessage)
		}
		priorProperty := queryResponse.Response[priorDiff].Properties
		if priorPropertyMap, ok := priorProperty.(map[string]interface{}); ok {
			if localCommitsProperty, ok := priorPropertyMap["local:commits"]; ok {
				if priorLocalCommits, ok := localCommitsProperty.(map[string]interface{}); ok {
					for id, val := range priorLocalCommits {
						localCommits[id] = val
					}
				}
			}
		}
	}
	localCommits[string(revision)] = revisionDetails
	localCommitsProperty, err := json.Marshal(localCommits)
	if err != nil {
		return nil, err
	}
	if err := arc.setDiffProperty(createResponse.Response.ID, "local:commits", string(localCommitsProperty)); err != nil {
		return nil, err
	}

	return &createResponse.Response, nil
}