Function GetEffectiveSourcePolicyFile

pkg/cmd/builder/build.go:200–205

GetEffectiveSourcePolicyFile returns the effective source policy file path. If optionValue is set, it takes precedence. Otherwise, the EXPERIMENTAL_BUILDKIT_SOURCE_POLICY environment variable is used for Docker Buildx compatibility.

(optionValue string)

// If optionValue is set, it takes precedence. Otherwise, the EXPERIMENTAL_BUILDKIT_SOURCE_POLICY
// environment variable is used for Docker Buildx compatibility.
func GetEffectiveSourcePolicyFile(optionValue string) string {
	if optionValue != "" {
		return optionValue
	}
	return os.Getenv("EXPERIMENTAL_BUILDKIT_SOURCE_POLICY")
}

func generateBuildctlArgs(ctx context.Context, client *containerd.Client, options types.BuilderBuildOptions) (buildCtlBinary string,
	buildctlArgs []string, needsLoading bool, metaFile string, tags []string, cleanup func(), err error) {