Help us shape the future of Go! Take the 2026 Go Developer Survey

Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

checkpoint

package

Go to main page

Versions in this module

v0

v0.8.1

Sep 28, 2026

v0.8.0

Sep 26, 2026

v0.7.1

Sep 22, 2026

v0.7.0

Sep 14, 2026

v0.6.0

Aug 29, 2026

v0.5.0

Aug 27, 2026

Changes in this version

+ const WorkspaceSchemaVersionV3

v0.4.0

Aug 27, 2026

v0.3.0

Aug 9, 2026

v0.2.0

Aug 3, 2026

Changes in this version

+ const WorkspaceSchemaVersion

+ const WorkspaceSchemaVersionV1

+ const WorkspaceSchemaVersionV2

+ func NewFilesystemLoader(root string, identity Identity) (pipeline.CheckpointLoader, error)

+ func NewFilesystemRecorder(root string, identity Identity) (pipeline.CheckpointRecorder, error)

+ type ExtractLaneManifest struct

+ ChunkCount int

+ OutputCount int

+ type FilesystemLoader struct

+ func (l *FilesystemLoader) AcceptedNormalize(stepID, laneID, moduleKey string) (pipeline.NormalizeCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) Enabled() bool

+ func (l *FilesystemLoader) Extract(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint) (pipeline.ExtractCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) ExtractForStep(stepID, laneID, moduleKey string, ...) (pipeline.ExtractCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) Merge(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint) (pipeline.MergeCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) MergeForStep(stepID, laneID, moduleKey string, ...) (pipeline.MergeCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) Normalize(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint) (pipeline.NormalizeCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) NormalizeForStep(stepID, laneID, moduleKey string, ...) (pipeline.NormalizeCheckpoint, pipeline.CheckpointDecision)

+ func (l *FilesystemLoader) Source(moduleKey string) (pipeline.SourceCheckpoint, pipeline.CheckpointDecision)

+ type FilesystemRecorder struct

+ func (r *FilesystemRecorder) ExtractFailed(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) ExtractFailedForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) ExtractRunning(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint) error

+ func (r *FilesystemRecorder) ExtractRunningForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) ExtractSucceeded(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) ExtractSucceededForStep(stepID, laneID, moduleKey string, ...) error

+ func (r *FilesystemRecorder) MergeFailed(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) MergeFailedForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) MergeRejected(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) MergeRejectedForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) MergeRunning(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint) error

+ func (r *FilesystemRecorder) MergeRunningForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) MergeSucceeded(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) MergeSucceededForStep(stepID, laneID, moduleKey string, ...) error

+ func (r *FilesystemRecorder) NormalizeFailed(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) NormalizeFailedForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) NormalizeRejected(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) NormalizeRejectedForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) NormalizeRunning(laneID string, moduleKey string, dependencies []pipeline.CheckpointFingerprint) error

+ func (r *FilesystemRecorder) NormalizeRunningForStep(stepID, laneID string, moduleKey string, ...) error

+ func (r *FilesystemRecorder) NormalizeSucceeded(laneID, moduleKey string, dependencies []pipeline.CheckpointFingerprint, ...) error

+ func (r *FilesystemRecorder) NormalizeSucceededForStep(stepID, laneID, moduleKey string, ...) error

+ func (r *FilesystemRecorder) SourceFailed(moduleKey string, err error) error

+ func (r *FilesystemRecorder) SourceRunning(moduleKey string) error

+ func (r *FilesystemRecorder) SourceSucceeded(moduleKey string, doc *source.SourceDocument) error

+ type Fingerprint struct

+ Name string

+ Value string

+ type Identity struct

+ Digest string

+ InputKey string

+ PipelineDigest string

+ PipelineID string

+ PipelineTopology []string

+ ProvenanceFingerprints []Fingerprint

+ RawInputDigest string

+ ReferenceDigests []Fingerprint

+ RuntimeOverrides []Fingerprint

+ SelectedLanes []string

+ SourceDigest string

+ func NewIdentity(input IdentityInput) (Identity, error)

+ func (i Identity) RelativePath() (string, error)

+ type IdentityInput struct

+ InputKey string

+ Pipeline pipeline.ResolvedPipeline

+ ProvenanceFingerprints []Fingerprint

+ RawInputDigest string

+ References []artifacts.ReferenceProvenance

+ RuntimeOverrides []Fingerprint

+ SelectedLanes []string

+ SourceDigest string

+ type MergeLaneManifest struct

+ InputCount int

+ type NormalizeLaneManifest struct

+ InputCount int

+ type RejectionSummary struct

+ Count int

+ Message string

+ ReasonCode string

+ ValidatorName string

+ type SourceManifest struct

+ SourceID string

+ type StageManifest struct

+ CompletedAt *time.Time

+ DependencyFingerprints []Fingerprint

+ LaneID string

+ Metadata map[string]string

+ ModuleKey string

+ OutputDigests []Fingerprint

+ Rejections []RejectionSummary

+ Stage StageName

+ StartedAt *time.Time

+ Status StageStatus

+ StepID string

+ ValidationStatus string

+ WorkspaceSchemaVersion string

+ func NewStageManifest(stage StageName, status StageStatus) StageManifest

+ type StageName string

+ const StageExtract

+ const StageMerge

+ const StageNormalize

+ const StageSource

+ type StageStatus string

+ const StatusFailed

+ const StatusInvalidated

+ const StatusPending

+ const StatusRunning

+ const StatusSucceeded

+ const StatusSucceededWithRejections