diff --git a/packages/flutter_tools/lib/src/base/fingerprint.dart b/packages/flutter_tools/lib/src/base/fingerprint.dart
index e1643b911cb..d8fee1c1c19 100644
--- a/packages/flutter_tools/lib/src/base/fingerprint.dart
+++ b/packages/flutter_tools/lib/src/base/fingerprint.dart
@@ -13,6 +13,8 @@ import '../globals.dart';
 import '../version.dart';
 import 'file_system.dart';
 
+typedef bool FingerprintPathFilter(String path);
+
 /// A tool that can be used to compute, compare, and write [Fingerprint]s for a
 /// set of input files and associated build settings.
 ///
@@ -25,10 +27,12 @@ class Fingerprinter {
     @required this.fingerprintPath,
     @required Iterable<String> paths,
     @required Map<String, String> properties,
-    Iterable<String> depfilePaths: const <String>[]
+    Iterable<String> depfilePaths: const <String>[],
+    FingerprintPathFilter pathFilter,
   }) : _paths = paths.toList(),
        _properties = new Map<String, String>.from(properties),
        _depfilePaths = depfilePaths.toList(),
+       _pathFilter = pathFilter,
        assert(fingerprintPath != null),
        assert(paths != null && paths.every((String path) => path != null)),
        assert(properties != null),
@@ -38,6 +42,7 @@ class Fingerprinter {
   final List<String> _paths;
   final Map<String, String> _properties;
   final List<String> _depfilePaths;
+  final FingerprintPathFilter _pathFilter;
 
   Future<Fingerprint> buildFingerprint() async {
     final List<String> paths = await _getPaths();
@@ -81,7 +86,8 @@ class Fingerprinter {
     final Set<String> paths = _paths.toSet();
     for (String depfilePath in _depfilePaths)
       paths.addAll(await readDepfile(depfilePath));
-    return paths.toList()..sort();
+    final FingerprintPathFilter filter = _pathFilter ?? (String path) => true;
+    return paths.where(filter).toList()..sort();
   }
 }
 
diff --git a/packages/flutter_tools/test/base/fingerprint_test.dart b/packages/flutter_tools/test/base/fingerprint_test.dart
index 5d6fb9d2289..fcfff848b4f 100644
--- a/packages/flutter_tools/test/base/fingerprint_test.dart
+++ b/packages/flutter_tools/test/base/fingerprint_test.dart
@@ -52,10 +52,12 @@ void main() {
     testUsingContext('creates fingerprint with file checksums', () async {
       await fs.file('a.dart').create();
       await fs.file('b.dart').create();
+      await fs.file('depfile').writeAsString('depfile : b.dart');
 
       final Fingerprinter fingerprinter = new Fingerprinter(
         fingerprintPath: 'out.fingerprint',
-        paths: <String>['a.dart', 'b.dart'],
+        paths: <String>['a.dart'],
+        depfilePaths: <String>['depfile'],
         properties: <String, String>{
           'bar': 'baz',
           'wobble': 'womble',
@@ -123,6 +125,38 @@ void main() {
       await fingerprinter.writeFingerprint();
       expect(await fingerprinter.doesFingerprintMatch(), isTrue);
     }, overrides: contextOverrides);
+
+    testUsingContext('fails to write fingerprint if inputs are missing', () async {
+      final Fingerprinter fingerprinter = new Fingerprinter(
+        fingerprintPath: 'out.fingerprint',
+        paths: <String>['a.dart'],
+        properties: <String, String>{
+          'foo': 'bar',
+          'wibble': 'wobble',
+        },
+      );
+      await fingerprinter.writeFingerprint();
+      expect(fs.file('out.fingerprint').existsSync(), isFalse);
+    }, overrides: contextOverrides);
+
+    testUsingContext('applies path filter to inputs paths', () async {
+      await fs.file('a.dart').create();
+      await fs.file('ab.dart').create();
+      await fs.file('depfile').writeAsString('depfile : ab.dart c.dart');
+
+      final Fingerprinter fingerprinter = new Fingerprinter(
+        fingerprintPath: 'out.fingerprint',
+        paths: <String>['a.dart'],
+        depfilePaths: <String>['depfile'],
+        properties: <String, String>{
+          'foo': 'bar',
+          'wibble': 'wobble',
+        },
+        pathFilter: (String path) => path.startsWith('a'),
+      );
+      await fingerprinter.writeFingerprint();
+      expect(fs.file('out.fingerprint').existsSync(), isTrue);
+    }, overrides: contextOverrides);
   });
 
   group('Fingerprint', () {