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-rw-r--r--third_party/gerrit-queue/gerrit/changeset.go117
-rw-r--r--third_party/gerrit-queue/gerrit/client.go220
-rw-r--r--third_party/gerrit-queue/gerrit/serie.go112
-rw-r--r--third_party/gerrit-queue/gerrit/series.go126
4 files changed, 0 insertions, 575 deletions
diff --git a/third_party/gerrit-queue/gerrit/changeset.go b/third_party/gerrit-queue/gerrit/changeset.go
deleted file mode 100644
index f71032a567cb..000000000000
--- a/third_party/gerrit-queue/gerrit/changeset.go
+++ /dev/null
@@ -1,117 +0,0 @@
-package gerrit
-
-import (
-	"bytes"
-	"fmt"
-
-	goGerrit "github.com/andygrunwald/go-gerrit"
-	"github.com/apex/log"
-)
-
-// Changeset represents a single changeset
-// Relationships between different changesets are described in Series
-type Changeset struct {
-	changeInfo      *goGerrit.ChangeInfo
-	ChangeID        string
-	Number          int
-	Verified        int
-	CodeReviewed    int
-	Autosubmit      int
-	Submittable     bool
-	CommitID        string
-	ParentCommitIDs []string
-	OwnerName       string
-	Subject         string
-}
-
-// MakeChangeset creates a new Changeset object out of a goGerrit.ChangeInfo object
-func MakeChangeset(changeInfo *goGerrit.ChangeInfo) *Changeset {
-	return &Changeset{
-		changeInfo:      changeInfo,
-		ChangeID:        changeInfo.ChangeID,
-		Number:          changeInfo.Number,
-		Verified:        labelInfoToInt(changeInfo.Labels["Verified"]),
-		CodeReviewed:    labelInfoToInt(changeInfo.Labels["Code-Review"]),
-		Autosubmit:      labelInfoToInt(changeInfo.Labels["Autosubmit"]),
-		Submittable:     changeInfo.Submittable,
-		CommitID:        changeInfo.CurrentRevision, // yes, this IS the commit ID.
-		ParentCommitIDs: getParentCommitIDs(changeInfo),
-		OwnerName:       changeInfo.Owner.Name,
-		Subject:         changeInfo.Subject,
-	}
-}
-
-// IsAutosubmit returns true if the changeset is intended to be
-// automatically submitted by gerrit-queue.
-//
-// This is determined by the Change Owner setting +1 on the
-// "Autosubmit" label.
-func (c *Changeset) IsAutosubmit() bool {
-	return c.Autosubmit == 1
-}
-
-// IsVerified returns true if the changeset passed CI,
-// that's when somebody left the Approved (+1) on the "Verified" label
-func (c *Changeset) IsVerified() bool {
-	return c.Verified == 1
-}
-
-// IsCodeReviewed returns true if the changeset passed code review,
-// that's when somebody left the Recommended (+2) on the "Code-Review" label
-func (c *Changeset) IsCodeReviewed() bool {
-	return c.CodeReviewed == 2
-}
-
-func (c *Changeset) String() string {
-	var b bytes.Buffer
-	b.WriteString("Changeset")
-	b.WriteString(fmt.Sprintf("(commitID: %.7s, author: %s, subject: %s, submittable: %v)",
-		c.CommitID, c.OwnerName, c.Subject, c.Submittable))
-	return b.String()
-}
-
-// FilterChangesets filters a list of Changeset by a given filter function
-func FilterChangesets(changesets []*Changeset, f func(*Changeset) bool) []*Changeset {
-	newChangesets := make([]*Changeset, 0)
-	for _, changeset := range changesets {
-		if f(changeset) {
-			newChangesets = append(newChangesets, changeset)
-		} else {
-			log.WithField("changeset", changeset.String()).Debug("dropped by filter")
-		}
-	}
-	return newChangesets
-}
-
-// labelInfoToInt converts a goGerrit.LabelInfo to -2…+2 int
-func labelInfoToInt(labelInfo goGerrit.LabelInfo) int {
-	if labelInfo.Recommended.AccountID != 0 {
-		return 2
-	}
-	if labelInfo.Approved.AccountID != 0 {
-		return 1
-	}
-	if labelInfo.Disliked.AccountID != 0 {
-		return -1
-	}
-	if labelInfo.Rejected.AccountID != 0 {
-		return -2
-	}
-	return 0
-}
-
-// getParentCommitIDs returns the parent commit IDs of the goGerrit.ChangeInfo
-// There is usually only one parent commit ID, except for merge commits.
-func getParentCommitIDs(changeInfo *goGerrit.ChangeInfo) []string {
-	// obtain the RevisionInfo object
-	revisionInfo := changeInfo.Revisions[changeInfo.CurrentRevision]
-
-	// obtain the Commit object
-	commit := revisionInfo.Commit
-
-	commitIDs := make([]string, len(commit.Parents))
-	for i, commit := range commit.Parents {
-		commitIDs[i] = commit.Commit
-	}
-	return commitIDs
-}
diff --git a/third_party/gerrit-queue/gerrit/client.go b/third_party/gerrit-queue/gerrit/client.go
deleted file mode 100644
index 314f97281c7e..000000000000
--- a/third_party/gerrit-queue/gerrit/client.go
+++ /dev/null
@@ -1,220 +0,0 @@
-package gerrit
-
-import (
-	"fmt"
-
-	goGerrit "github.com/andygrunwald/go-gerrit"
-	"github.com/apex/log"
-
-	"net/url"
-)
-
-// passed to gerrit when retrieving changesets
-var additionalFields = []string{
-	"LABELS",
-	"CURRENT_REVISION",
-	"CURRENT_COMMIT",
-	"DETAILED_ACCOUNTS",
-	"SUBMITTABLE",
-}
-
-// IClient defines the gerrit.Client interface
-type IClient interface {
-	Refresh() error
-	GetHEAD() string
-	GetBaseURL() string
-	GetChangesetURL(changeset *Changeset) string
-	SubmitChangeset(changeset *Changeset) (*Changeset, error)
-	RebaseChangeset(changeset *Changeset, ref string) (*Changeset, error)
-	ChangesetIsRebasedOnHEAD(changeset *Changeset) bool
-	SerieIsRebasedOnHEAD(serie *Serie) bool
-	FilterSeries(filter func(s *Serie) bool) []*Serie
-	FindSerie(filter func(s *Serie) bool) *Serie
-}
-
-var _ IClient = &Client{}
-
-// Client provides some ways to interact with a gerrit instance
-type Client struct {
-	client      *goGerrit.Client
-	logger      *log.Logger
-	baseURL     string
-	projectName string
-	branchName  string
-	series      []*Serie
-	head        string
-}
-
-// NewClient initializes a new gerrit client
-func NewClient(logger *log.Logger, URL, username, password, projectName, branchName string) (*Client, error) {
-	urlParsed, err := url.Parse(URL)
-	if err != nil {
-		return nil, err
-	}
-	urlParsed.User = url.UserPassword(username, password)
-
-	goGerritClient, err := goGerrit.NewClient(urlParsed.String(), nil)
-	if err != nil {
-		return nil, err
-	}
-	return &Client{
-		client:      goGerritClient,
-		baseURL:     URL,
-		logger:      logger,
-		projectName: projectName,
-		branchName:  branchName,
-	}, nil
-}
-
-// refreshHEAD queries the commit ID of the selected project and branch
-func (c *Client) refreshHEAD() (string, error) {
-	branchInfo, _, err := c.client.Projects.GetBranch(c.projectName, c.branchName)
-	if err != nil {
-		return "", err
-	}
-	return branchInfo.Revision, nil
-}
-
-// GetHEAD returns the internally stored HEAD
-func (c *Client) GetHEAD() string {
-	return c.head
-}
-
-// Refresh causes the client to refresh internal view of gerrit
-func (c *Client) Refresh() error {
-	c.logger.Debug("refreshing from gerrit")
-	HEAD, err := c.refreshHEAD()
-	if err != nil {
-		return err
-	}
-	c.head = HEAD
-
-	var queryString = fmt.Sprintf("status:open project:%s branch:%s", c.projectName, c.branchName)
-	c.logger.Debugf("fetching changesets: %s", queryString)
-	changesets, err := c.fetchChangesets(queryString)
-	if err != nil {
-		return err
-	}
-
-	c.logger.Infof("assembling series…")
-	series, err := AssembleSeries(changesets, c.logger)
-	if err != nil {
-		return err
-	}
-	series = SortSeries(series)
-	c.series = series
-	return nil
-}
-
-// fetchChangesets fetches a list of changesets matching a passed query string
-func (c *Client) fetchChangesets(queryString string) (changesets []*Changeset, Error error) {
-	opt := &goGerrit.QueryChangeOptions{}
-	opt.Query = []string{
-		queryString,
-	}
-	opt.AdditionalFields = additionalFields
-	changes, _, err := c.client.Changes.QueryChanges(opt)
-	if err != nil {
-		return nil, err
-	}
-
-	changesets = make([]*Changeset, 0)
-	for _, change := range *changes {
-		changesets = append(changesets, MakeChangeset(&change))
-	}
-
-	return changesets, nil
-}
-
-// fetchChangeset downloads an existing Changeset from gerrit, by its ID
-// Gerrit's API is a bit sparse, and only returns what you explicitly ask it
-// This is used to refresh an existing changeset with more data.
-func (c *Client) fetchChangeset(changeID string) (*Changeset, error) {
-	opt := goGerrit.ChangeOptions{}
-	opt.AdditionalFields = []string{"LABELS", "DETAILED_ACCOUNTS"}
-	changeInfo, _, err := c.client.Changes.GetChange(changeID, &opt)
-	if err != nil {
-		return nil, err
-	}
-	return MakeChangeset(changeInfo), nil
-}
-
-// SubmitChangeset submits a given changeset, and returns a changeset afterwards.
-func (c *Client) SubmitChangeset(changeset *Changeset) (*Changeset, error) {
-	changeInfo, _, err := c.client.Changes.SubmitChange(changeset.ChangeID, &goGerrit.SubmitInput{})
-	if err != nil {
-		return nil, err
-	}
-	c.head = changeInfo.CurrentRevision
-	return c.fetchChangeset(changeInfo.ChangeID)
-}
-
-// RebaseChangeset rebases a given changeset on top of a given ref
-func (c *Client) RebaseChangeset(changeset *Changeset, ref string) (*Changeset, error) {
-	changeInfo, _, err := c.client.Changes.RebaseChange(changeset.ChangeID, &goGerrit.RebaseInput{
-		Base: ref,
-	})
-	if err != nil {
-		return changeset, err
-	}
-	return c.fetchChangeset(changeInfo.ChangeID)
-}
-
-// GetBaseURL returns the gerrit base URL
-func (c *Client) GetBaseURL() string {
-	return c.baseURL
-}
-
-// GetProjectName returns the configured gerrit project name
-func (c *Client) GetProjectName() string {
-	return c.projectName
-}
-
-// GetBranchName returns the configured gerrit branch name
-func (c *Client) GetBranchName() string {
-	return c.branchName
-}
-
-// GetChangesetURL returns the URL to view a given changeset
-func (c *Client) GetChangesetURL(changeset *Changeset) string {
-	return fmt.Sprintf("%s/c/%s/+/%d", c.GetBaseURL(), c.projectName, changeset.Number)
-}
-
-// ChangesetIsRebasedOnHEAD returns true if the changeset is rebased on the current HEAD
-func (c *Client) ChangesetIsRebasedOnHEAD(changeset *Changeset) bool {
-	if len(changeset.ParentCommitIDs) != 1 {
-		return false
-	}
-	return changeset.ParentCommitIDs[0] == c.head
-}
-
-// SerieIsRebasedOnHEAD returns true if the whole series is rebased on the current HEAD
-// this is already the case if the first changeset in the series is rebased on the current HEAD
-func (c *Client) SerieIsRebasedOnHEAD(serie *Serie) bool {
-	// an empty serie should not exist
-	if len(serie.ChangeSets) == 0 {
-		return false
-	}
-	return c.ChangesetIsRebasedOnHEAD(serie.ChangeSets[0])
-}
-
-// FilterSeries returns a subset of all Series, passing the given filter function
-func (c *Client) FilterSeries(filter func(s *Serie) bool) []*Serie {
-	matchedSeries := []*Serie{}
-	for _, serie := range c.series {
-		if filter(serie) {
-			matchedSeries = append(matchedSeries, serie)
-		}
-	}
-	return matchedSeries
-}
-
-// FindSerie returns the first serie that matches the filter, or nil if none was found
-func (c *Client) FindSerie(filter func(s *Serie) bool) *Serie {
-	for _, serie := range c.series {
-		if filter(serie) {
-			return serie
-		}
-	}
-	return nil
-}
diff --git a/third_party/gerrit-queue/gerrit/serie.go b/third_party/gerrit-queue/gerrit/serie.go
deleted file mode 100644
index 788cf46f4ea6..000000000000
--- a/third_party/gerrit-queue/gerrit/serie.go
+++ /dev/null
@@ -1,112 +0,0 @@
-package gerrit
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/apex/log"
-)
-
-// Serie represents a list of successive changesets with an unbroken parent -> child relation,
-// starting from the parent.
-type Serie struct {
-	ChangeSets []*Changeset
-}
-
-// GetParentCommitIDs returns the parent commit IDs
-func (s *Serie) GetParentCommitIDs() ([]string, error) {
-	if len(s.ChangeSets) == 0 {
-		return nil, fmt.Errorf("Can't return parent on a serie with zero ChangeSets")
-	}
-	return s.ChangeSets[0].ParentCommitIDs, nil
-}
-
-// GetLeafCommitID returns the commit id of the last commit in ChangeSets
-func (s *Serie) GetLeafCommitID() (string, error) {
-	if len(s.ChangeSets) == 0 {
-		return "", fmt.Errorf("Can't return leaf on a serie with zero ChangeSets")
-	}
-	return s.ChangeSets[len(s.ChangeSets)-1].CommitID, nil
-}
-
-// CheckIntegrity checks that the series contains a properly ordered and connected chain of commits
-func (s *Serie) CheckIntegrity() error {
-	logger := log.WithField("serie", s)
-	// an empty serie is invalid
-	if len(s.ChangeSets) == 0 {
-		return fmt.Errorf("An empty serie is invalid")
-	}
-
-	previousCommitID := ""
-	for i, changeset := range s.ChangeSets {
-		// we can't really check the parent of the first commit
-		// so skip verifying that one
-		logger.WithFields(log.Fields{
-			"changeset":        changeset.String(),
-			"previousCommitID": fmt.Sprintf("%.7s", previousCommitID),
-		}).Debug(" - verifying changeset")
-
-		parentCommitIDs := changeset.ParentCommitIDs
-		if len(parentCommitIDs) == 0 {
-			return fmt.Errorf("Changesets without any parent are not supported")
-		}
-		// we don't check parents of the first changeset in a series
-		if i != 0 {
-			if len(parentCommitIDs) != 1 {
-				return fmt.Errorf("Merge commits in the middle of a series are not supported (only at the beginning)")
-			}
-			if parentCommitIDs[0] != previousCommitID {
-				return fmt.Errorf("changesets parent commit id doesn't match previous commit id")
-			}
-		}
-		// update previous commit id for the next loop iteration
-		previousCommitID = changeset.CommitID
-	}
-	return nil
-}
-
-// FilterAllChangesets applies a filter function on all of the changesets in the series.
-// returns true if it returns true for all changesets, false otherwise
-func (s *Serie) FilterAllChangesets(f func(c *Changeset) bool) bool {
-	for _, changeset := range s.ChangeSets {
-		if f(changeset) == false {
-			return false
-		}
-	}
-	return true
-}
-
-func (s *Serie) String() string {
-	var sb strings.Builder
-	sb.WriteString(fmt.Sprintf("Serie[%d]", len(s.ChangeSets)))
-	if len(s.ChangeSets) == 0 {
-		sb.WriteString("()\n")
-		return sb.String()
-	}
-	parentCommitIDs, err := s.GetParentCommitIDs()
-	if err == nil {
-		if len(parentCommitIDs) == 1 {
-			sb.WriteString(fmt.Sprintf("(parent: %.7s)", parentCommitIDs[0]))
-		} else {
-			sb.WriteString("(merge: ")
-
-			for i, parentCommitID := range parentCommitIDs {
-				sb.WriteString(fmt.Sprintf("%.7s", parentCommitID))
-				if i < len(parentCommitIDs) {
-					sb.WriteString(", ")
-				}
-			}
-
-			sb.WriteString(")")
-
-		}
-	}
-	sb.WriteString(fmt.Sprintf("(%.7s..%.7s)",
-		s.ChangeSets[0].CommitID,
-		s.ChangeSets[len(s.ChangeSets)-1].CommitID))
-	return sb.String()
-}
-
-func shortCommitID(commitID string) string {
-	return commitID[:6]
-}
diff --git a/third_party/gerrit-queue/gerrit/series.go b/third_party/gerrit-queue/gerrit/series.go
deleted file mode 100644
index 295193ee9503..000000000000
--- a/third_party/gerrit-queue/gerrit/series.go
+++ /dev/null
@@ -1,126 +0,0 @@
-package gerrit
-
-import (
-	"sort"
-
-	"github.com/apex/log"
-)
-
-// AssembleSeries consumes a list of `Changeset`, and groups them together to series
-//
-// We initially put every Changeset in its own Serie
-//
-// As we have no control over the order of the passed changesets,
-// we maintain a lookup table, mapLeafToSerie,
-// which allows to lookup a serie by its leaf commit id
-// We concat series in a fixpoint approach
-// because both appending and prepending is much more complex.
-// Concatenation moves changesets of the later changeset in the previous one
-// in a cleanup phase, we remove orphaned series (those without any changesets inside)
-// afterwards, we do an integrity check, just to be on the safe side.
-func AssembleSeries(changesets []*Changeset, logger *log.Logger) ([]*Serie, error) {
-	series := make([]*Serie, 0)
-	mapLeafToSerie := make(map[string]*Serie, 0)
-
-	for _, changeset := range changesets {
-		l := logger.WithField("changeset", changeset.String())
-
-		l.Debug("creating initial serie")
-		serie := &Serie{
-			ChangeSets: []*Changeset{changeset},
-		}
-		series = append(series, serie)
-		mapLeafToSerie[changeset.CommitID] = serie
-	}
-
-	// Combine series using a fixpoint approach, with a max iteration count.
-	logger.Debug("glueing together phase")
-	for i := 1; i < 100; i++ {
-		didUpdate := false
-		logger.Debugf("at iteration %d", i)
-		for j, serie := range series {
-			l := logger.WithFields(log.Fields{
-				"i":     i,
-				"j":     j,
-				"serie": serie.String(),
-			})
-			parentCommitIDs, err := serie.GetParentCommitIDs()
-			if err != nil {
-				return series, err
-			}
-			if len(parentCommitIDs) != 1 {
-				// We can't append merge commits to other series
-				l.Infof("No single parent, skipping.")
-				continue
-			}
-			parentCommitID := parentCommitIDs[0]
-			l.Debug("Looking for a predecessor.")
-			// if there's another serie that has this parent as a leaf, glue together
-			if otherSerie, ok := mapLeafToSerie[parentCommitID]; ok {
-				if otherSerie == serie {
-					continue
-				}
-				l = l.WithField("otherSerie", otherSerie)
-
-				myLeafCommitID, err := serie.GetLeafCommitID()
-				if err != nil {
-					return series, err
-				}
-
-				// append our changesets to the other serie
-				l.Debug("Splicing together.")
-				otherSerie.ChangeSets = append(otherSerie.ChangeSets, serie.ChangeSets...)
-
-				delete(mapLeafToSerie, parentCommitID)
-				mapLeafToSerie[myLeafCommitID] = otherSerie
-
-				// orphan our serie
-				serie.ChangeSets = []*Changeset{}
-				// remove the orphaned serie from the lookup table
-				delete(mapLeafToSerie, myLeafCommitID)
-
-				didUpdate = true
-			} else {
-				l.Debug("Not found.")
-			}
-		}
-		series = removeOrphanedSeries(series)
-		if !didUpdate {
-			logger.Infof("converged after %d iterations", i)
-			break
-		}
-	}
-
-	// Check integrity, just to be on the safe side.
-	for _, serie := range series {
-		l := logger.WithField("serie", serie.String())
-		l.Debugf("checking integrity")
-		err := serie.CheckIntegrity()
-		if err != nil {
-			l.Errorf("checking integrity failed: %s", err)
-		}
-	}
-	return series, nil
-}
-
-// removeOrphanedSeries removes all empty series (that contain zero changesets)
-func removeOrphanedSeries(series []*Serie) []*Serie {
-	newSeries := []*Serie{}
-	for _, serie := range series {
-		if len(serie.ChangeSets) != 0 {
-			newSeries = append(newSeries, serie)
-		}
-	}
-	return newSeries
-}
-
-// SortSeries sorts a list of series by the number of changesets in each serie, descending
-func SortSeries(series []*Serie) []*Serie {
-	newSeries := make([]*Serie, len(series))
-	copy(newSeries, series)
-	sort.Slice(newSeries, func(i, j int) bool {
-		// the weight depends on the amount of changesets series changeset size
-		return len(series[i].ChangeSets) > len(series[j].ChangeSets)
-	})
-	return newSeries
-}