bug: fix an issue where Id would be used, then changed due to metadata

This commit is contained in:
Michael Muré 2022-07-31 14:38:32 +02:00
parent 3d454d9dc8
commit d179b8b7ec
No known key found for this signature in database
GPG Key ID: A4457C029293126F
18 changed files with 122 additions and 185 deletions

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@ -140,14 +140,14 @@ func (bug *Bug) Operations() []Operation {
}
// Compile a bug in a easily usable snapshot
func (bug *Bug) Compile() Snapshot {
snap := Snapshot{
func (bug *Bug) Compile() *Snapshot {
snap := &Snapshot{
id: bug.Id(),
Status: OpenStatus,
}
for _, op := range bug.Operations() {
op.Apply(&snap)
op.Apply(snap)
snap.Operations = append(snap.Operations, op)
}

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@ -7,22 +7,22 @@ import (
)
type Interface interface {
// Id return the Bug identifier
// Id returns the Bug identifier
Id() entity.Id
// Validate check if the Bug data is valid
// Validate checks if the Bug data is valid
Validate() error
// Append an operation into the staging area, to be committed later
Append(op Operation)
// Operations return the ordered operations
// Operations returns the ordered operations
Operations() []Operation
// NeedCommit indicate that the in-memory state changed and need to be commit in the repository
// NeedCommit indicates that the in-memory state changed and need to be commit in the repository
NeedCommit() bool
// Commit write the staging area in Git and move the operations to the packs
// Commit writes the staging area in Git and move the operations to the packs
Commit(repo repository.ClockedRepo) error
// FirstOp lookup for the very first operation of the bug.
@ -33,8 +33,8 @@ type Interface interface {
// For a valid Bug, should never be nil
LastOp() Operation
// Compile a bug in a easily usable snapshot
Compile() Snapshot
// Compile a bug in an easily usable snapshot
Compile() *Snapshot
// CreateLamportTime return the Lamport time of creation
CreateLamportTime() lamport.Time

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@ -79,16 +79,15 @@ type AddCommentTimelineItem struct {
// IsAuthored is a sign post method for gqlgen
func (a *AddCommentTimelineItem) IsAuthored() {}
// Convenience function to apply the operation
func AddComment(b Interface, author identity.Interface, unixTime int64, message string) (*AddCommentOperation, error) {
return AddCommentWithFiles(b, author, unixTime, message, nil)
}
func AddCommentWithFiles(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash) (*AddCommentOperation, error) {
addCommentOp := NewAddCommentOp(author, unixTime, message, files)
if err := addCommentOp.Validate(); err != nil {
// AddComment is a convenience function to add a comment to a bug
func AddComment(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (*AddCommentOperation, error) {
op := NewAddCommentOp(author, unixTime, message, files)
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return nil, err
}
b.Append(addCommentOp)
return addCommentOp, nil
b.Append(op)
return op, nil
}

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@ -97,20 +97,16 @@ type CreateTimelineItem struct {
// IsAuthored is a sign post method for gqlgen
func (c *CreateTimelineItem) IsAuthored() {}
// Convenience function to apply the operation
func Create(author identity.Interface, unixTime int64, title, message string) (*Bug, *CreateOperation, error) {
return CreateWithFiles(author, unixTime, title, message, nil)
}
func CreateWithFiles(author identity.Interface, unixTime int64, title, message string, files []repository.Hash) (*Bug, *CreateOperation, error) {
newBug := NewBug()
createOp := NewCreateOp(author, unixTime, title, message, files)
if err := createOp.Validate(); err != nil {
return nil, createOp, err
// Create is a convenience function to create a bug
func Create(author identity.Interface, unixTime int64, title, message string, files []repository.Hash, metadata map[string]string) (*Bug, *CreateOperation, error) {
b := NewBug()
op := NewCreateOp(author, unixTime, title, message, files)
for key, val := range metadata {
op.SetMetadata(key, val)
}
newBug.Append(createOp)
return newBug, createOp, nil
if err := op.Validate(); err != nil {
return nil, op, err
}
b.Append(op)
return b, op, nil
}

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@ -110,27 +110,20 @@ func NewEditCommentOp(author identity.Interface, unixTime int64, target entity.I
}
// EditComment is a convenience function to apply the operation
func EditComment(b Interface, author identity.Interface, unixTime int64, target entity.Id, message string) (*EditCommentOperation, error) {
return EditCommentWithFiles(b, author, unixTime, target, message, nil)
}
func EditCommentWithFiles(b Interface, author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash) (*EditCommentOperation, error) {
editCommentOp := NewEditCommentOp(author, unixTime, target, message, files)
if err := editCommentOp.Validate(); err != nil {
func EditComment(b Interface, author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash, metadata map[string]string) (*EditCommentOperation, error) {
op := NewEditCommentOp(author, unixTime, target, message, files)
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return nil, err
}
b.Append(editCommentOp)
return editCommentOp, nil
b.Append(op)
return op, nil
}
// EditCreateComment is a convenience function to edit the body of a bug (the first comment)
func EditCreateComment(b Interface, author identity.Interface, unixTime int64, message string) (*EditCommentOperation, error) {
func EditCreateComment(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (*EditCommentOperation, error) {
createOp := b.FirstOp().(*CreateOperation)
return EditComment(b, author, unixTime, createOp.Id(), message)
}
// EditCreateCommentWithFiles is a convenience function to edit the body of a bug (the first comment)
func EditCreateCommentWithFiles(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash) (*EditCommentOperation, error) {
createOp := b.FirstOp().(*CreateOperation)
return EditCommentWithFiles(b, author, unixTime, createOp.Id(), message, files)
return EditComment(b, author, unixTime, createOp.Id(), message, files, metadata)
}

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@ -25,7 +25,7 @@ func (op *LabelChangeOperation) Id() entity.Id {
return dag.IdOperation(op, &op.OpBase)
}
// Apply apply the operation
// Apply applies the operation
func (op *LabelChangeOperation) Apply(snapshot *Snapshot) {
snapshot.addActor(op.Author())
@ -113,10 +113,10 @@ func (l LabelChangeTimelineItem) Id() entity.Id {
}
// IsAuthored is a sign post method for gqlgen
func (l *LabelChangeTimelineItem) IsAuthored() {}
func (l LabelChangeTimelineItem) IsAuthored() {}
// ChangeLabels is a convenience function to apply the operation
func ChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string) ([]LabelChangeResult, *LabelChangeOperation, error) {
// ChangeLabels is a convenience function to change labels on a bug
func ChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string, metadata map[string]string) ([]LabelChangeResult, *LabelChangeOperation, error) {
var added, removed []Label
var results []LabelChangeResult
@ -164,23 +164,25 @@ func ChangeLabels(b Interface, author identity.Interface, unixTime int64, add, r
return results, nil, fmt.Errorf("no label added or removed")
}
labelOp := NewLabelChangeOperation(author, unixTime, added, removed)
if err := labelOp.Validate(); err != nil {
op := NewLabelChangeOperation(author, unixTime, added, removed)
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return nil, nil, err
}
b.Append(labelOp)
b.Append(op)
return results, labelOp, nil
return results, op, nil
}
// ForceChangeLabels is a convenience function to apply the operation
// The difference with ChangeLabels is that no checks of deduplications are done. You are entirely
// responsible of what you are doing. In the general case, you want to use ChangeLabels instead.
// responsible for what you are doing. In the general case, you want to use ChangeLabels instead.
// The intended use of this function is to allow importers to create legal but unexpected label changes,
// like removing a label with no information of when it was added before.
func ForceChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string) (*LabelChangeOperation, error) {
func ForceChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string, metadata map[string]string) (*LabelChangeOperation, error) {
added := make([]Label, len(add))
for i, str := range add {
added[i] = Label(str)
@ -191,15 +193,18 @@ func ForceChangeLabels(b Interface, author identity.Interface, unixTime int64, a
removed[i] = Label(str)
}
labelOp := NewLabelChangeOperation(author, unixTime, added, removed)
op := NewLabelChangeOperation(author, unixTime, added, removed)
if err := labelOp.Validate(); err != nil {
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return nil, err
}
b.Append(labelOp)
b.Append(op)
return labelOp, nil
return op, nil
}
func labelExist(labels []Label, label Label) bool {

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@ -10,7 +10,7 @@ func NewSetMetadataOp(author identity.Interface, unixTime int64, target entity.I
return dag.NewSetMetadataOp[*Snapshot](SetMetadataOp, author, unixTime, target, newMetadata)
}
// Convenience function to apply the operation
// SetMetadata is a convenience function to add metadata on another operation
func SetMetadata(b Interface, author identity.Interface, unixTime int64, target entity.Id, newMetadata map[string]string) (*dag.SetMetadataOperation[*Snapshot], error) {
op := NewSetMetadataOp(author, unixTime, target, newMetadata)
if err := op.Validate(); err != nil {

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@ -66,11 +66,14 @@ func (s SetStatusTimelineItem) Id() entity.Id {
}
// IsAuthored is a sign post method for gqlgen
func (s *SetStatusTimelineItem) IsAuthored() {}
func (s SetStatusTimelineItem) IsAuthored() {}
// Convenience function to apply the operation
func Open(b Interface, author identity.Interface, unixTime int64) (*SetStatusOperation, error) {
// Open is a convenience function to change a bugs state to Open
func Open(b Interface, author identity.Interface, unixTime int64, metadata map[string]string) (*SetStatusOperation, error) {
op := NewSetStatusOp(author, unixTime, OpenStatus)
for key, value := range metadata {
op.SetMetadata(key, value)
}
if err := op.Validate(); err != nil {
return nil, err
}
@ -78,9 +81,12 @@ func Open(b Interface, author identity.Interface, unixTime int64) (*SetStatusOpe
return op, nil
}
// Convenience function to apply the operation
func Close(b Interface, author identity.Interface, unixTime int64) (*SetStatusOperation, error) {
// Close is a convenience function to change a bugs state to Close
func Close(b Interface, author identity.Interface, unixTime int64, metadata map[string]string) (*SetStatusOperation, error) {
op := NewSetStatusOp(author, unixTime, ClosedStatus)
for key, value := range metadata {
op.SetMetadata(key, value)
}
if err := op.Validate(); err != nil {
return nil, err
}

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@ -80,10 +80,10 @@ func (s SetTitleTimelineItem) Id() entity.Id {
}
// IsAuthored is a sign post method for gqlgen
func (s *SetTitleTimelineItem) IsAuthored() {}
func (s SetTitleTimelineItem) IsAuthored() {}
// Convenience function to apply the operation
func SetTitle(b Interface, author identity.Interface, unixTime int64, title string) (*SetTitleOperation, error) {
// SetTitle is a convenience function to change a bugs title
func SetTitle(b Interface, author identity.Interface, unixTime int64, title string, metadata map[string]string) (*SetTitleOperation, error) {
var lastTitleOp *SetTitleOperation
for _, op := range b.Operations() {
switch op := op.(type) {
@ -99,12 +99,14 @@ func SetTitle(b Interface, author identity.Interface, unixTime int64, title stri
was = b.FirstOp().(*CreateOperation).Title
}
setTitleOp := NewSetTitleOp(author, unixTime, title, was)
if err := setTitleOp.Validate(); err != nil {
op := NewSetTitleOp(author, unixTime, title, was)
for key, value := range metadata {
op.SetMetadata(key, value)
}
if err := op.Validate(); err != nil {
return nil, err
}
b.Append(setTitleOp)
return setTitleOp, nil
b.Append(op)
return op, nil
}

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@ -104,7 +104,7 @@ func TestID(t *testing.T) {
err = rene.Commit(repo)
require.NoError(t, err)
b, op, err := Create(rene, time.Now().Unix(), "title", "message")
b, op, err := Create(rene, time.Now().Unix(), "title", "message", nil, nil)
require.NoError(t, err)
id1 := op.Id()

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@ -1,6 +1,8 @@
package bug
import "github.com/MichaelMure/git-bug/repository"
import (
"github.com/MichaelMure/git-bug/repository"
)
var _ Interface = &WithSnapshot{}
@ -10,11 +12,10 @@ type WithSnapshot struct {
snap *Snapshot
}
// Snapshot return the current snapshot
func (b *WithSnapshot) Snapshot() *Snapshot {
func (b *WithSnapshot) Compile() *Snapshot {
if b.snap == nil {
snap := b.Bug.Compile()
b.snap = &snap
b.snap = snap
}
return b.snap
}

100
cache/bug_cache.go vendored
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@ -34,7 +34,7 @@ func NewBugCache(repoCache *RepoCache, b *bug.Bug) *BugCache {
func (c *BugCache) Snapshot() *bug.Snapshot {
c.mu.RLock()
defer c.mu.RUnlock()
return c.bug.Snapshot()
return c.bug.Compile()
}
func (c *BugCache) Id() entity.Id {
@ -85,18 +85,11 @@ func (c *BugCache) AddCommentWithFiles(message string, files []repository.Hash)
func (c *BugCache) AddCommentRaw(author *IdentityCache, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (*bug.AddCommentOperation, error) {
c.mu.Lock()
op, err := bug.AddCommentWithFiles(c.bug, author.Identity, unixTime, message, files)
op, err := bug.AddComment(c.bug, author, unixTime, message, files, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -111,24 +104,12 @@ func (c *BugCache) ChangeLabels(added []string, removed []string) ([]bug.LabelCh
func (c *BugCache) ChangeLabelsRaw(author *IdentityCache, unixTime int64, added []string, removed []string, metadata map[string]string) ([]bug.LabelChangeResult, *bug.LabelChangeOperation, error) {
c.mu.Lock()
changes, op, err := bug.ChangeLabels(c.bug, author.Identity, unixTime, added, removed)
changes, op, err := bug.ChangeLabels(c.bug, author.Identity, unixTime, added, removed, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return changes, nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
err = c.notifyUpdated()
if err != nil {
return nil, nil, err
}
return changes, op, nil
return changes, op, c.notifyUpdated()
}
func (c *BugCache) ForceChangeLabels(added []string, removed []string) (*bug.LabelChangeOperation, error) {
@ -142,23 +123,12 @@ func (c *BugCache) ForceChangeLabels(added []string, removed []string) (*bug.Lab
func (c *BugCache) ForceChangeLabelsRaw(author *IdentityCache, unixTime int64, added []string, removed []string, metadata map[string]string) (*bug.LabelChangeOperation, error) {
c.mu.Lock()
op, err := bug.ForceChangeLabels(c.bug, author.Identity, unixTime, added, removed)
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
op, err := bug.ForceChangeLabels(c.bug, author.Identity, unixTime, added, removed, metadata)
c.mu.Unlock()
err = c.notifyUpdated()
if err != nil {
return nil, err
}
return op, nil
return op, c.notifyUpdated()
}
func (c *BugCache) Open() (*bug.SetStatusOperation, error) {
@ -172,17 +142,11 @@ func (c *BugCache) Open() (*bug.SetStatusOperation, error) {
func (c *BugCache) OpenRaw(author *IdentityCache, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
c.mu.Lock()
op, err := bug.Open(c.bug, author.Identity, unixTime)
op, err := bug.Open(c.bug, author.Identity, unixTime, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -197,17 +161,11 @@ func (c *BugCache) Close() (*bug.SetStatusOperation, error) {
func (c *BugCache) CloseRaw(author *IdentityCache, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
c.mu.Lock()
op, err := bug.Close(c.bug, author.Identity, unixTime)
op, err := bug.Close(c.bug, author.Identity, unixTime, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -222,17 +180,11 @@ func (c *BugCache) SetTitle(title string) (*bug.SetTitleOperation, error) {
func (c *BugCache) SetTitleRaw(author *IdentityCache, unixTime int64, title string, metadata map[string]string) (*bug.SetTitleOperation, error) {
c.mu.Lock()
op, err := bug.SetTitle(c.bug, author.Identity, unixTime, title)
op, err := bug.SetTitle(c.bug, author.Identity, unixTime, title, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -249,17 +201,11 @@ func (c *BugCache) EditCreateComment(body string) (*bug.EditCommentOperation, er
// EditCreateCommentRaw is a convenience function to edit the body of a bug (the first comment)
func (c *BugCache) EditCreateCommentRaw(author *IdentityCache, unixTime int64, body string, metadata map[string]string) (*bug.EditCommentOperation, error) {
c.mu.Lock()
op, err := bug.EditCreateComment(c.bug, author.Identity, unixTime, body)
op, err := bug.EditCreateComment(c.bug, author.Identity, unixTime, body, nil, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -274,17 +220,11 @@ func (c *BugCache) EditComment(target entity.Id, message string) (*bug.EditComme
func (c *BugCache) EditCommentRaw(author *IdentityCache, unixTime int64, target entity.Id, message string, metadata map[string]string) (*bug.EditCommentOperation, error) {
c.mu.Lock()
op, err := bug.EditComment(c.bug, author.Identity, unixTime, target, message)
op, err := bug.EditComment(c.bug, author.Identity, unixTime, target, message, nil, metadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
c.mu.Unlock()
return op, c.notifyUpdated()
}
@ -300,12 +240,10 @@ func (c *BugCache) SetMetadata(target entity.Id, newMetadata map[string]string)
func (c *BugCache) SetMetadataRaw(author *IdentityCache, unixTime int64, target entity.Id, newMetadata map[string]string) (*dag.SetMetadataOperation[*bug.Snapshot], error) {
c.mu.Lock()
op, err := bug.SetMetadata(c.bug, author.Identity, unixTime, target, newMetadata)
c.mu.Unlock()
if err != nil {
c.mu.Unlock()
return nil, err
}
c.mu.Unlock()
return op, c.notifyUpdated()
}

6
cache/repo_cache.go vendored
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@ -209,9 +209,9 @@ func (c *RepoCache) buildCache() error {
}
snap := b.Bug.Compile()
c.bugExcerpts[b.Bug.Id()] = NewBugExcerpt(b.Bug, &snap)
c.bugExcerpts[b.Bug.Id()] = NewBugExcerpt(b.Bug, snap)
if err := c.addBugToSearchIndex(&snap); err != nil {
if err := c.addBugToSearchIndex(snap); err != nil {
return err
}
}
@ -222,7 +222,7 @@ func (c *RepoCache) buildCache() error {
}
// repoIsAvailable check is the given repository is locked by a Cache.
// Note: this is a smart function that will cleanup the lock file if the
// Note: this is a smart function that will clean the lock file if the
// corresponding process is not there anymore.
// If no error is returned, the repo is free to edit.
func repoIsAvailable(repo repository.RepoStorage) error {

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@ -461,15 +461,11 @@ func (c *RepoCache) NewBugWithFiles(title string, message string, files []reposi
// well as metadata for the Create operation.
// The new bug is written in the repository (commit)
func (c *RepoCache) NewBugRaw(author *IdentityCache, unixTime int64, title string, message string, files []repository.Hash, metadata map[string]string) (*BugCache, *bug.CreateOperation, error) {
b, op, err := bug.CreateWithFiles(author.Identity, unixTime, title, message, files)
b, op, err := bug.Create(author.Identity, unixTime, title, message, files, metadata)
if err != nil {
return nil, nil, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
err = b.Commit(c.repo)
if err != nil {
return nil, nil, err

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@ -36,7 +36,7 @@ func (c *RepoCache) Keyring() repository.Keyring {
return c.repo.Keyring()
}
// GetUserName returns the name the the user has used to configure git
// GetUserName returns the name the user has used to configure git
func (c *RepoCache) GetUserName() (string, error) {
return c.repo.GetUserName()
}
@ -131,7 +131,7 @@ func (c *RepoCache) MergeAll(remote string) <-chan entity.MergeResult {
b := result.Entity.(*bug.Bug)
snap := b.Compile()
c.muBug.Lock()
c.bugExcerpts[result.Id] = NewBugExcerpt(b, &snap)
c.bugExcerpts[result.Id] = NewBugExcerpt(b, snap)
c.muBug.Unlock()
}
}

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@ -87,6 +87,7 @@ func generateRandomBugsWithSeed(opts Options, seed int64) []*bug.Bug {
time.Now().Unix(),
fake.Sentence(),
paragraphs(),
nil, nil,
)
if err != nil {
@ -143,19 +144,19 @@ func paragraphs() string {
}
func comment(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.AddComment(b, p, timestamp, paragraphs())
_, _ = bug.AddComment(b, p, timestamp, paragraphs(), nil, nil)
}
func title(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.SetTitle(b, p, timestamp, fake.Sentence())
_, _ = bug.SetTitle(b, p, timestamp, fake.Sentence(), nil)
}
func open(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.Open(b, p, timestamp)
_, _ = bug.Open(b, p, timestamp, nil)
}
func close(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.Close(b, p, timestamp)
_, _ = bug.Close(b, p, timestamp, nil)
}
var addedLabels []string
@ -182,5 +183,5 @@ func labels(b bug.Interface, p identity.Interface, timestamp int64) {
// ignore error
// if the randomisation produce no changes, no op
// is added to the bug
_, _, _ = bug.ChangeLabels(b, p, timestamp, added, removed)
_, _, _ = bug.ChangeLabels(b, p, timestamp, added, removed, nil)
}

View File

@ -235,7 +235,7 @@ func (repo *GoGitRepo) Keyring() Keyring {
return repo.keyring
}
// GetUserName returns the name the the user has used to configure git
// GetUserName returns the name the user has used to configure git
func (repo *GoGitRepo) GetUserName() (string, error) {
return repo.AnyConfig().ReadString("user.name")
}

View File

@ -60,9 +60,9 @@ type RepoKeyring interface {
Keyring() Keyring
}
// RepoCommon represent the common function the we want all the repo to implement
// RepoCommon represent the common function we want all repos to implement
type RepoCommon interface {
// GetUserName returns the name the the user has used to configure git
// GetUserName returns the name the user has used to configure git
GetUserName() (string, error)
// GetUserEmail returns the email address that the user has used to configure git.