Rename recipe to invocation

Signed-off-by: Marco Franssen <marco.franssen@philips.com>

lib/github/provenance.go

@@ -38,7 +38,7 @@ func (e *Environment) GenerateProvenanceStatement(ctx context.Context, artifactP
 		intoto.WithMetadata(fmt.Sprintf("%s/actions/runs/%s", repoURI, e.Context.RunID)),
 		// NOTE: This is inexact as multiple workflows in a repo can have the same name.
 		// See https://github.com/github/feedback/discussions/4188
-		intoto.WithRecipe(
+		intoto.WithInvocation(
 			RecipeType,
 			e.Context.Workflow,
 			nil,

lib/github/provenance_test.go

@@ -276,7 +276,7 @@ func TestGenerateProvenance(t *testing.T) {
 	assert.Equal(fmt.Sprintf("%s%s", repoURL, github.HostedIDSuffix), predicate.Builder.ID)
 
 	assertMetadata(assert, predicate.Metadata, gh, repoURL)
-	assertRecipe(assert, predicate.Recipe)
+	assertInvocation(assert, predicate.Invocation)
 }
 
 func TestGenerateProvenanceFromGitHubRelease(t *testing.T) {
@@ -353,7 +353,7 @@ func TestGenerateProvenanceFromGitHubRelease(t *testing.T) {
 	assert.Equal(fmt.Sprintf("%s%s", repoURL, github.HostedIDSuffix), predicate.Builder.ID)
 
 	assertMetadata(assert, predicate.Metadata, ghContext, repoURL)
-	assertRecipe(assert, predicate.Recipe)
+	assertInvocation(assert, predicate.Invocation)
 
 	stmtPath := path.Join(artifactPath, "build.provenance")
 
@@ -393,7 +393,7 @@ func TestGenerateProvenanceFromGitHubReleaseErrors(t *testing.T) {
 	assert.Nil(stmt)
 }
 
-func assertRecipe(assert *assert.Assertions, recipe intoto.Recipe) {
+func assertInvocation(assert *assert.Assertions, recipe intoto.Invocation) {
 	assert.Equal(github.RecipeType, recipe.Type)
 	assert.Equal(0, recipe.DefinedInMaterial)
 	assert.Equal("", recipe.EntryPoint)

lib/intoto/intoto.go

@@ -68,10 +68,10 @@ func WithMetadata(buildInvocationID string) StatementOption {
 	}
 }
 
-// WithRecipe sets the Predicate Recipe and Materials
-func WithRecipe(predicateType string, entryPoint string, environment json.RawMessage, arguments json.RawMessage, materials []Item) StatementOption {
+// WithInvocation sets the Predicate Invocation and Materials
+func WithInvocation(predicateType string, entryPoint string, environment json.RawMessage, arguments json.RawMessage, materials []Item) StatementOption {
 	return func(s *Statement) {
-		s.Predicate.Recipe = Recipe{
+		s.Predicate.Invocation = Invocation{
 			Type:       predicateType,
 			EntryPoint: entryPoint,
 			Arguments:  arguments,
@@ -108,10 +108,10 @@ type Subject struct {
 //
 // A predicate has a required predicateType (TypeURI) identifying what the predicate means, plus an optional predicate (object) containing additional, type-dependent parameters.
 type Predicate struct {
-	Builder   `json:"builder"`
-	Metadata  `json:"metadata"`
-	Recipe    `json:"recipe"`
-	Materials []Item `json:"materials"`
+	Builder    `json:"builder"`
+	Metadata   `json:"metadata"`
+	Invocation `json:"invocation"`
+	Materials  []Item `json:"materials"`
 }
 
 // Builder Identifies the entity that executed the recipe, which is trusted to have correctly performed the operation and populated this provenance.
@@ -133,8 +133,8 @@ type Metadata struct {
 	BuildFinishedOn string `json:"buildFinishedOn"`
 }
 
-// Recipe Identifies the configuration used for the build. When combined with materials, this SHOULD fully describe the build, such that re-running this recipe results in bit-for-bit identical output (if the build is reproducible).
-type Recipe struct {
+// Invocation Identifies the configuration used for the build. When combined with materials, this SHOULD fully describe the build, such that re-running this recipe results in bit-for-bit identical output (if the build is reproducible).
+type Invocation struct {
 	Type              string          `json:"type"`
 	DefinedInMaterial int             `json:"definedInMaterial"`
 	EntryPoint        string          `json:"entryPoint"`

lib/intoto/intoto_test.go

@@ -62,22 +62,22 @@ func TestSLSAProvenanceStatement(t *testing.T) {
 	stmt = SLSAProvenanceStatement(
 		WithSubject(make([]Subject, 1)),
 		WithBuilder(builderID),
-		WithRecipe(
+		WithInvocation(
 			recipeType,
 			"CI workflow",
 			nil,
 			nil,
 			provenanceActionMaterial,
 		),
 	)
-	r := stmt.Predicate.Recipe
+	i := stmt.Predicate.Invocation
 	assert.Equal(SlsaPredicateType, stmt.PredicateType)
 	assert.Equal(StatementType, stmt.Type)
 	assert.Len(stmt.Subject, 1)
 	assert.Equal(builderID, stmt.Predicate.Builder.ID)
-	assert.Equal(recipeType, r.Type)
-	assert.Equal("CI workflow", r.EntryPoint)
-	assert.Nil(r.Arguments)
-	assert.Equal(0, r.DefinedInMaterial)
+	assert.Equal(recipeType, i.Type)
+	assert.Equal("CI workflow", i.EntryPoint)
+	assert.Nil(i.Arguments)
+	assert.Equal(0, i.DefinedInMaterial)
 	assert.Equal(provenanceActionMaterial, stmt.Predicate.Materials)
 }