// GetRecentRevisions fetches the most recent 'numRevisions'
func (gRepoPoller *GithubRepositoryPoller) GetRecentRevisions(maxRevisions int) (
revisions []model.Revision, err error) {
commitURL := getCommitURL(gRepoPoller.ProjectRef)
for {
githubCommits, header, err := thirdparty.GetGithubCommits(
gRepoPoller.OauthToken, commitURL)
if err != nil {
return nil, err
}
for _, commit := range githubCommits {
if len(revisions) == maxRevisions {
break
}
revisions = append(revisions, githubCommitToRevision(
&commit))
}
// stop querying for commits if we've reached our target or got back no
// commits
if len(revisions) == maxRevisions || len(revisions) == 0 {
break
}
// stop quering for commits if there's no next page
if commitURL = thirdparty.NextGithubPageLink(header); commitURL == "" {
break
}
}
return
}
// GetRevisionsSince fetches the all commits from the corresponding Github
// ProjectRef that were made after 'revision'
func (gRepoPoller *GithubRepositoryPoller) GetRevisionsSince(revision string,
maxRevisionsToSearch int) (revisions []model.Revision, err error) {
commitURL := getCommitURL(gRepoPoller.ProjectRef)
var foundLatest bool
for len(revisions) < maxRevisionsToSearch {
githubCommits, header, err := thirdparty.GetGithubCommits(
gRepoPoller.OauthToken, commitURL)
if err != nil {
return nil, err
}
for _, commit := range githubCommits {
if isLastRevision(revision, &commit) {
foundLatest = true
break
}
revisions = append(revisions, githubCommitToRevision(
&commit))
}
// stop querying for commits if we've found the latest commit or got
// back no commits
if foundLatest || len(revisions) == 0 {
break
}
// stop quering for commits if there's no next page
if commitURL = thirdparty.NextGithubPageLink(header); commitURL == "" {
break
}
}
if !foundLatest {
return []model.Revision{}, fmt.Errorf("Unable to locate "+
"requested revision “%v” within “%v” revisions", revision,
maxRevisionsToSearch)
}
return
}
// GetRevisionsSince fetches the all commits from the corresponding Github
// ProjectRef that were made after 'revision'
func (gRepoPoller *GithubRepositoryPoller) GetRevisionsSince(
revision string, maxRevisionsToSearch int) ([]model.Revision, error) {
var foundLatest bool
var commits []thirdparty.GithubCommit
var header http.Header
commitURL := getCommitURL(gRepoPoller.ProjectRef)
revisions := []model.Revision{}
for len(revisions) < maxRevisionsToSearch {
var err error
commits, header, err = thirdparty.GetGithubCommits(gRepoPoller.OauthToken, commitURL)
if err != nil {
return nil, err
}
for _, commit := range commits {
if isLastRevision(revision, &commit) {
foundLatest = true
break
}
revisions = append(revisions, githubCommitToRevision(&commit))
}
// stop querying for commits if we've found the latest commit or got back no commits
if foundLatest || len(revisions) == 0 {
break
}
// stop quering for commits if there's no next page
if commitURL = thirdparty.NextGithubPageLink(header); commitURL == "" {
break
}
}
if !foundLatest {
var revisionDetails *model.RepositoryErrorDetails
var revisionError error
// attempt to get the merge base commit
baseRevision, err := thirdparty.GetGitHubMergeBaseRevision(
gRepoPoller.OauthToken,
gRepoPoller.ProjectRef.Owner,
gRepoPoller.ProjectRef.Repo,
revision,
&commits[0],
)
if err != nil {
// unable to get merge base commit so set projectRef revision details with a blank base revision
revisionDetails = &model.RepositoryErrorDetails{
Exists: true,
InvalidRevision: revision[:10],
MergeBaseRevision: "",
}
revisionError = fmt.Errorf("unable to find a suggested merge base commit for revision %v, must fix on projects settings page: %v",
revision, err)
} else {
// update project ref to have an inconsistent status
revisionDetails = &model.RepositoryErrorDetails{
Exists: true,
InvalidRevision: revision[:10],
MergeBaseRevision: baseRevision,
}
revisionError = fmt.Errorf("base revision, %v not found, suggested base revision, %v found, must confirm on project settings page",
revision, baseRevision)
}
gRepoPoller.ProjectRef.RepotrackerError = revisionDetails
if err = gRepoPoller.ProjectRef.Upsert(); err != nil {
return []model.Revision{}, fmt.Errorf("unable to update projectRef revision details: %v", err)
}
return []model.Revision{}, revisionError
}
return revisions, nil
}