crane package options modified exposing WithPageSize

pkg/crane/options.go

@@ -38,6 +38,8 @@ type Options struct {
 	jobs      int
 	noclobber bool
 	ctx       context.Context
+	// pageSize for paginations
+	pageSize int
 }
 
 // GetOptions exposes the underlying []remote.Option, []name.Option, and
@@ -176,3 +178,13 @@ func WithNoClobber(noclobber bool) Option {
 		o.noclobber = noclobber
 	}
 }
+
+// WithPageSize sets the given size as the value of parameter 'n' in the request.
+//
+// To omit the `n` parameter entirely, use WithPageSize(0).
+// The default value is 1000.
+func WithPageSize(size int) Option {
+	return func(o *Options) {
+		o.pageSize = size
+	}
+}

pkg/crane/options_test.go

@@ -56,3 +56,12 @@ func TestInsecureTransport(t *testing.T) {
 		t.Errorf("got: %t\nwant: %t", got, want)
 	}
 }
+
+func TestWithPageSize(t *testing.T) {
+	want := 1000 // default pageSize
+	opts := GetOptions(WithPageSize(want))
+
+	if got := opts.pageSize; got != want {
+		t.Errorf("got %d\nwant: %d", got, want)
+	}
+}