fix: dart classifier for 2.x and ARM (#3475)

Signed-off-by: witchcraze <witchcraze@gmail.com>

syft/pkg/cataloger/binary/classifier_cataloger_test.go

@@ -1067,6 +1067,28 @@ func Test_Cataloger_PositiveCases(t *testing.T) {
 				Metadata:  metadata("swipl-binary"),
 			},
 		},
+		{
+			logicalFixture: "dart/2.12.4/linux-amd64",
+			expected: pkg.Package{
+				Name:      "dart",
+				Version:   "2.12.4",
+				Type:      "binary",
+				PURL:      "pkg:generic/dart@2.12.4",
+				Locations: locations("dart"),
+				Metadata:  metadata("dart-binary"),
+			},
+		},
+		{
+			logicalFixture: "dart/3.0.0/linux-arm",
+			expected: pkg.Package{
+				Name:      "dart",
+				Version:   "3.0.0",
+				Type:      "binary",
+				PURL:      "pkg:generic/dart@3.0.0",
+				Locations: locations("dart"),
+				Metadata:  metadata("dart-binary"),
+			},
+		},
 		{
 			logicalFixture: "dart/3.5.2/linux-amd64",
 			expected: pkg.Package{

syft/pkg/cataloger/binary/classifiers.go

@@ -458,7 +458,11 @@ func DefaultClassifiers() []Classifier {
 			Class:    "dart-binary",
 			FileGlob: "**/dart",
 			EvidenceMatcher: FileContentsVersionMatcher(
-				`(?m)Dart,GC"\x00(?P<version>[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+(\.[0-9]+)?\.beta)?) `,
+				// MathAtan[NUL]2.12.4 (stable)
+				// "%s"[NUL]3.0.0 (stable)
+				// Dart,GC"[NUL]3.5.2 (stable)
+				// Dart,GC"[NUL]3.6.0-216.1.beta (beta)
+				`(?m)\x00(?P<version>[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+(\.[0-9]+)?\.beta)?) `,
 			),
 			Package: "dart",
 			PURL:    mustPURL("pkg:generic/dart@version"),

syft/pkg/cataloger/binary/test-fixtures/config.yaml

@@ -78,6 +78,21 @@ from-images:
     paths:
       - /usr/lib/swipl/bin/x86_64-linux/swipl
 
+  - version: 2.12.4
+    images:
+      - ref: dart:2.12.4-sdk@sha256:0da5d8c9727f5b90e585bcc55a078d981029f4e13044f206299e00f23993a4a8
+        platform: linux/amd64
+
+    paths:
+      - /usr/lib/dart/bin/dart
+
+  - version: 3.0.0
+    images:
+      - ref: dart:3.0.0-sdk@sha256:67708c6011199d59336bf6cd0f9e618e55dd3632c79a43375f5a082795f0b724
+        platform: linux/arm
+    paths:
+      - /usr/lib/dart/bin/dart
+
   - version: 3.5.2
     images:
       - ref: dart:3.5.2@sha256:1fd62cb5036bdc42de89bdae747683277986639be9b0b0a0751d2c50bbd9441f