Load loads plugin metadata.

NewArtifactIdentifier creates a new ArtifactIdentifier.

RuntimeArtifactIdentifier returns the system's identifier.

RuntimeArtifactIdentifierWithoutArch returns the system's identifier without arch.

MetadataFile is the plugin metadata file.

ErrPluginNotExist indicates that the plugin does not exist.

Artifact represents all information about an artifact of a plugin.

ArtifactIdentifier represents information to identify an artifact.

Plugin represents metadata of a plugin.

Artifacts is a map of Artifact, identified by os and arch.

Plugins is a map of plugins.

Tags is a list of string tag.