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Initial commit: Layer Wizard

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A GUI installer wizard for permanent rpm-ostree package layers on
bootc/image-based systems. Walks through: welcome/current-version check,
package name entry with existence check, confirmation, then a streamed
rpm-ostree install via pkexec. On success, writes a pending-confirmation
marker and installs an autostart entry so the next login shows a
"did this update work?" screen with a one-click rollback (bootc rollback
--apply) if not.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Philip Peterson 2026-10-06 05:25:05 -08:00
commit e0cbf8ae20
22 changed files with 1599 additions and 0 deletions
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# Miscellaneous
*.class
*.log
*.pyc
*.swp
.DS_Store
.atom/
.build/
.buildlog/
.history
.svn/
.swiftpm/
migrate_working_dir/
# IntelliJ related
*.iml
*.ipr
*.iws
.idea/
# The .vscode folder contains launch configuration and tasks you configure in
# VS Code which you may wish to be included in version control, so this line
# is commented out by default.
#.vscode/
# Flutter/Dart/Pub related
**/doc/api/
**/ios/Flutter/.last_build_id
.dart_tool/
.flutter-plugins-dependencies
.pub-cache/
.pub/
/build/
/coverage/
# Symbolication related
app.*.symbols
# Obfuscation related
app.*.map.json
# Android Studio will place build artifacts here
/android/app/debug
/android/app/profile
/android/app/release
# Widget Preview related
.widget_preview/

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# This file tracks properties of this Flutter project.
# Used by Flutter tool to assess capabilities and perform upgrades etc.
#
# This file should be version controlled and should not be manually edited.
version:
revision: "5fc346839b5d0eef006ed8404392afb4dfae428d"
channel: "stable"
project_type: app
# Tracks metadata for the flutter migrate command
migration:
platforms:
- platform: root
create_revision: 5fc346839b5d0eef006ed8404392afb4dfae428d
base_revision: 5fc346839b5d0eef006ed8404392afb4dfae428d
- platform: linux
create_revision: 5fc346839b5d0eef006ed8404392afb4dfae428d
base_revision: 5fc346839b5d0eef006ed8404392afb4dfae428d
# User provided section
# List of Local paths (relative to this file) that should be
# ignored by the migrate tool.
#
# Files that are not part of the templates will be ignored by default.
unmanaged_files:
- 'lib/main.dart'
- 'ios/Runner.xcodeproj/project.pbxproj'

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# layer_wizard
A new Flutter project.
## Getting Started
This project is a starting point for a Flutter application.
A few resources to get you started if this is your first Flutter project:
- [Learn Flutter](https://docs.flutter.dev/get-started/learn-flutter)
- [Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
- [Flutter learning resources](https://docs.flutter.dev/reference/learning-resources)
For help getting started with Flutter development, view the
[online documentation](https://docs.flutter.dev/), which offers tutorials,
samples, guidance on mobile development, and a full API reference.

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# This file configures the analyzer, which statically analyzes Dart code to
# check for errors, warnings, and lints.
#
# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
# invoked from the command line by running `flutter analyze`.
# The following line activates a set of recommended lints for Flutter apps,
# packages, and plugins designed to encourage good coding practices.
include: package:flutter_lints/flutter.yaml
analyzer:
exclude:
- build/**
- linux/**
linter:
# The lint rules applied to this project can be customized in the
# section below to disable rules from the `package:flutter_lints/flutter.yaml`
# included above or to enable additional rules. A list of all available lints
# and their documentation is published at https://dart.dev/lints.
#
# Instead of disabling a lint rule for the entire project in the
# section below, it can also be suppressed for a single line of code
# or a specific dart file by using the `// ignore: name_of_lint` and
# `// ignore_for_file: name_of_lint` syntax on the line or in the file
# producing the lint.
rules:
# avoid_print: false # Uncomment to disable the `avoid_print` rule
# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options

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import 'dart:convert';
import 'dart:io';
import 'ostree_service.dart';
class PendingConfirmation {
final String packageName;
final DeploymentInfo before;
final DateTime installedAt;
PendingConfirmation({
required this.packageName,
required this.before,
required this.installedAt,
});
}
class ConfirmationMarker {
static String get _stateDir => '${Platform.environment['HOME']}/.local/state/layer_wizard';
static String get _markerPath => '$_stateDir/pending_confirmation.json';
static String get _autostartPath =>
'${Platform.environment['HOME']}/.config/autostart/com.ironmagma.layer_wizard.desktop';
static Future<void> write(String packageName, DeploymentInfo before) async {
final dir = Directory(_stateDir);
if (!await dir.exists()) {
await dir.create(recursive: true);
}
final json = jsonEncode({
'packageName': packageName,
'before': before.toJson(),
'installedAt': DateTime.now().toIso8601String(),
});
await File(_markerPath).writeAsString(json);
}
static Future<PendingConfirmation?> read() async {
final file = File(_markerPath);
if (!await file.exists()) return null;
try {
final data = jsonDecode(await file.readAsString()) as Map<String, dynamic>;
return PendingConfirmation(
packageName: data['packageName'] as String,
before: DeploymentInfo.fromJson(data['before'] as Map<String, dynamic>),
installedAt: DateTime.parse(data['installedAt'] as String),
);
} catch (_) {
// Corrupt/unreadable marker — treat as if nothing is pending rather
// than getting the user stuck on a confirmation screen we can't render.
return null;
}
}
static Future<void> clear() async {
final file = File(_markerPath);
if (await file.exists()) {
await file.delete();
}
}
/// Installs an autostart entry pointing at the currently-running binary,
/// so the confirmation screen is shown automatically right after the next
/// login. Idempotent.
static Future<void> installAutostart() async {
final dir = Directory('${Platform.environment['HOME']}/.config/autostart');
if (!await dir.exists()) {
await dir.create(recursive: true);
}
final exe = Platform.resolvedExecutable;
final contents = '''
[Desktop Entry]
Type=Application
Name=Layer Wizard Confirmation
Comment=Confirm a pending permanent package layer
Exec=$exe
X-GNOME-Autostart-enabled=true
NoDisplay=true
''';
await File(_autostartPath).writeAsString(contents);
}
static Future<void> removeAutostart() async {
final file = File(_autostartPath);
if (await file.exists()) {
await file.delete();
}
}
}

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import 'package:flutter/material.dart';
import 'confirmation_marker.dart';
import 'ostree_service.dart';
import 'wizard_page.dart';
class ConfirmationPage extends StatefulWidget {
final PendingConfirmation pending;
const ConfirmationPage({super.key, required this.pending});
@override
State<ConfirmationPage> createState() => _ConfirmationPageState();
}
class _ConfirmationPageState extends State<ConfirmationPage> {
bool _rollingBack = false;
final List<String> _log = [];
final ScrollController _logScroll = ScrollController();
Future<void> _keep() async {
await ConfirmationMarker.clear();
await ConfirmationMarker.removeAutostart();
if (!mounted) return;
Navigator.of(context).pushReplacement(
MaterialPageRoute(builder: (_) => const WizardHomePage()),
);
}
Future<void> _confirmRollback() async {
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Roll back now?'),
content: const Text(
'This will immediately reboot the machine into the previous system '
'version. Save any open work first.',
),
actions: [
TextButton(onPressed: () => Navigator.pop(context, false), child: const Text('Cancel')),
FilledButton(
onPressed: () => Navigator.pop(context, true),
style: FilledButton.styleFrom(backgroundColor: Theme.of(context).colorScheme.error),
child: const Text('Roll back and reboot'),
),
],
),
);
if (confirmed != true) return;
setState(() => _rollingBack = true);
// The machine reboots as part of this call returning — clear bookkeeping
// first so there's nothing stale to confirm once we're back on the
// known-good deployment.
await ConfirmationMarker.clear();
await ConfirmationMarker.removeAutostart();
await OstreeService.rollback((line) {
setState(() => _log.add(line));
WidgetsBinding.instance.addPostFrameCallback((_) {
if (_logScroll.hasClients) {
_logScroll.jumpTo(_logScroll.position.maxScrollExtent);
}
});
});
}
@override
Widget build(BuildContext context) {
final p = widget.pending;
return Scaffold(
appBar: AppBar(title: const Text('Confirm Update')),
body: Padding(
padding: const EdgeInsets.all(24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: _rollingBack
? [
const Text('Rolling back and rebooting…', style: TextStyle(fontSize: 18)),
const SizedBox(height: 16),
Expanded(
child: Container(
color: Colors.black87,
padding: const EdgeInsets.all(8),
child: ListView.builder(
controller: _logScroll,
itemCount: _log.length,
itemBuilder: (context, i) => Text(
_log[i],
style: const TextStyle(color: Colors.white, fontFamily: 'monospace', fontSize: 12),
),
),
),
),
]
: [
Icon(Icons.help_outline, size: 48, color: Theme.of(context).colorScheme.primary),
const SizedBox(height: 16),
Text(
'You installed "${p.packageName}" on '
'${p.installedAt.toLocal().toString().split('.').first}.',
style: const TextStyle(fontSize: 18),
),
const SizedBox(height: 8),
const Text('The system rebooted into the update. Is everything working correctly?'),
const SizedBox(height: 16),
Card(
child: Padding(
padding: const EdgeInsets.all(12),
child: Text('Previous version: ${p.before.version}\n'
'Previous image: ${p.before.containerImageRef}'),
),
),
const SizedBox(height: 24),
FilledButton.icon(
onPressed: _keep,
icon: const Icon(Icons.check),
label: const Text('Yes, keep this update'),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: _confirmRollback,
icon: const Icon(Icons.undo),
label: const Text('No, something\'s wrong — roll back'),
),
],
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'confirmation_marker.dart';
import 'confirmation_page.dart';
import 'wizard_page.dart';
void main() {
runApp(const LayerWizardApp());
}
class LayerWizardApp extends StatelessWidget {
const LayerWizardApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Layer Wizard',
theme: ThemeData(colorSchemeSeed: Colors.teal, useMaterial3: true),
home: const _StartupRouter(),
);
}
}
/// Checks for a pending post-reboot confirmation before deciding which
/// screen to show first.
class _StartupRouter extends StatelessWidget {
const _StartupRouter();
@override
Widget build(BuildContext context) {
return FutureBuilder<PendingConfirmation?>(
future: ConfirmationMarker.read(),
builder: (context, snapshot) {
if (snapshot.connectionState != ConnectionState.done) {
return const Scaffold(body: Center(child: CircularProgressIndicator()));
}
final pending = snapshot.data;
if (pending != null) {
return ConfirmationPage(pending: pending);
}
return const WizardHomePage();
},
);
}
}

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import 'dart:convert';
import 'dart:io';
class DeploymentInfo {
final String version;
final String checksum;
final String containerImageRef;
DeploymentInfo({
required this.version,
required this.checksum,
required this.containerImageRef,
});
Map<String, dynamic> toJson() => {
'version': version,
'checksum': checksum,
'containerImageRef': containerImageRef,
};
factory DeploymentInfo.fromJson(Map<String, dynamic> json) => DeploymentInfo(
version: json['version'] as String,
checksum: json['checksum'] as String,
containerImageRef: json['containerImageRef'] as String,
);
}
class OstreeService {
/// Reads the currently booted deployment via `rpm-ostree status --json`
/// (unprivileged, read-only).
static Future<DeploymentInfo> getStatus() async {
final result = await Process.run('rpm-ostree', ['status', '--json']);
if (result.exitCode != 0) {
throw Exception('rpm-ostree status failed: ${result.stderr}');
}
final data = jsonDecode(result.stdout as String) as Map<String, dynamic>;
final deployments = data['deployments'] as List;
final booted = deployments.cast<Map<String, dynamic>>().firstWhere(
(d) => d['booted'] == true,
orElse: () => deployments.first as Map<String, dynamic>,
);
return DeploymentInfo(
version: booted['version'] as String? ?? 'unknown',
checksum: booted['checksum'] as String? ?? 'unknown',
containerImageRef: booted['container-image-reference'] as String? ?? 'unknown',
);
}
/// Unprivileged existence check so typos surface before escalating to
/// pkexec. Matches on exact name or name.arch.
static Future<bool> checkPackageExists(String name) async {
final result = await Process.run('dnf', ['repoquery', name]);
return result.exitCode == 0 && (result.stdout as String).trim().isNotEmpty;
}
/// Permanently layers a package via `rpm-ostree install`. Streams combined
/// stdout+stderr lines. Mirrors pkg_launcher's DnfService.installTransient
/// pattern (pkexec through the desktop PolicyKit agent).
static Future<int> installPackage(String name, void Function(String line) onLine) async {
final process = await Process.start('pkexec', ['rpm-ostree', 'install', '-y', name]);
process.stdout.transform(const SystemEncoding().decoder).listen((chunk) {
for (final line in chunk.split('\n')) {
if (line.isNotEmpty) onLine(line);
}
});
process.stderr.transform(const SystemEncoding().decoder).listen((chunk) {
for (final line in chunk.split('\n')) {
if (line.isNotEmpty) onLine(line);
}
});
return process.exitCode;
}
/// Rolls back to the previously booted deployment and reboots into it
/// immediately. Callers must warn the user before calling this: the
/// screen will go black and the machine will restart as part of this
/// call returning.
static Future<int> rollback(void Function(String line) onLine) async {
final process = await Process.start('pkexec', ['bootc', 'rollback', '--apply']);
process.stdout.transform(const SystemEncoding().decoder).listen((chunk) {
for (final line in chunk.split('\n')) {
if (line.isNotEmpty) onLine(line);
}
});
process.stderr.transform(const SystemEncoding().decoder).listen((chunk) {
for (final line in chunk.split('\n')) {
if (line.isNotEmpty) onLine(line);
}
});
return process.exitCode;
}
/// Reboots immediately via the desktop PolicyKit agent.
static Future<void> rebootNow() async {
await Process.start('pkexec', ['systemctl', 'reboot'], mode: ProcessStartMode.detached);
}
}

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import 'package:flutter/material.dart';
import 'confirmation_marker.dart';
import 'ostree_service.dart';
enum _ApplyState { idle, running, success, failed }
class WizardHomePage extends StatefulWidget {
const WizardHomePage({super.key});
@override
State<WizardHomePage> createState() => _WizardHomePageState();
}
class _WizardHomePageState extends State<WizardHomePage> {
int _currentStep = 0;
final _packageController = TextEditingController();
Future<DeploymentInfo>? _statusFuture;
bool _checking = false;
String? _checkError;
bool _packageVerified = false;
_ApplyState _applyState = _ApplyState.idle;
final List<String> _log = [];
final ScrollController _logScroll = ScrollController();
DeploymentInfo? _beforeInfo;
@override
void initState() {
super.initState();
_statusFuture = OstreeService.getStatus();
}
Future<void> _checkPackage() async {
final name = _packageController.text.trim();
if (name.isEmpty) return;
setState(() {
_checking = true;
_checkError = null;
_packageVerified = false;
});
try {
final exists = await OstreeService.checkPackageExists(name);
setState(() {
_packageVerified = exists;
_checkError = exists ? null : 'No package named "$name" was found.';
});
} catch (e) {
setState(() => _checkError = e.toString());
} finally {
setState(() => _checking = false);
}
}
Future<void> _startInstall() async {
final name = _packageController.text.trim();
setState(() {
_applyState = _ApplyState.running;
_log.clear();
});
try {
_beforeInfo = await OstreeService.getStatus();
final exitCode = await OstreeService.installPackage(name, (line) {
setState(() => _log.add(line));
WidgetsBinding.instance.addPostFrameCallback((_) {
if (_logScroll.hasClients) {
_logScroll.jumpTo(_logScroll.position.maxScrollExtent);
}
});
});
if (exitCode == 0) {
await ConfirmationMarker.write(name, _beforeInfo!);
await ConfirmationMarker.installAutostart();
setState(() => _applyState = _ApplyState.success);
} else {
setState(() => _applyState = _ApplyState.failed);
}
} catch (e) {
setState(() {
_log.add('Error: $e');
_applyState = _ApplyState.failed;
});
}
}
void _onStepContinue() {
if (_currentStep == 1) {
if (!_packageVerified) return;
}
if (_currentStep == 2) {
setState(() => _currentStep = 3);
_startInstall();
return;
}
if (_currentStep < 2) {
setState(() => _currentStep += 1);
}
}
void _onStepCancel() {
if (_currentStep > 0 && _applyState == _ApplyState.idle) {
setState(() => _currentStep -= 1);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Layer Wizard')),
body: Stepper(
type: StepperType.horizontal,
currentStep: _currentStep,
onStepContinue: _applyState == _ApplyState.idle ? _onStepContinue : null,
onStepCancel: _applyState == _ApplyState.idle ? _onStepCancel : null,
controlsBuilder: (context, details) {
if (_currentStep == 3) return const SizedBox.shrink();
return Padding(
padding: const EdgeInsets.only(top: 16),
child: Row(
children: [
FilledButton(
onPressed: _currentStep == 1 && !_packageVerified ? null : details.onStepContinue,
child: Text(_currentStep == 2 ? 'Install' : 'Continue'),
),
const SizedBox(width: 8),
if (_currentStep > 0)
TextButton(onPressed: details.onStepCancel, child: const Text('Back')),
],
),
);
},
steps: [
Step(
title: const Text('Welcome'),
isActive: _currentStep >= 0,
content: _buildWelcome(),
),
Step(
title: const Text('Package'),
isActive: _currentStep >= 1,
content: _buildPackageStep(),
),
Step(
title: const Text('Confirm'),
isActive: _currentStep >= 2,
content: _buildConfirmStep(),
),
Step(
title: const Text('Apply'),
isActive: _currentStep >= 3,
content: _buildApplyStep(),
),
],
),
);
}
Widget _buildWelcome() {
return FutureBuilder<DeploymentInfo>(
future: _statusFuture,
builder: (context, snapshot) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'This permanently adds a package to your system image via '
'"rpm-ostree install". Unlike a transient install, it survives '
'a reboot — but it only takes effect after you restart.',
),
const SizedBox(height: 12),
if (snapshot.hasData)
Text('Currently running: ${snapshot.data!.version}\n'
'${snapshot.data!.containerImageRef}')
else if (snapshot.hasError)
Text('Could not read system status: ${snapshot.error}')
else
const CircularProgressIndicator(),
],
);
},
);
}
Widget _buildPackageStep() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
TextField(
controller: _packageController,
decoration: const InputDecoration(
labelText: 'Package name',
hintText: 'e.g. calligra-words',
border: OutlineInputBorder(),
),
onChanged: (_) => setState(() => _packageVerified = false),
onSubmitted: (_) => _checkPackage(),
),
const SizedBox(height: 8),
Row(
children: [
OutlinedButton(
onPressed: _checking ? null : _checkPackage,
child: _checking
? const SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2))
: const Text('Check'),
),
const SizedBox(width: 12),
if (_packageVerified)
const Row(children: [Icon(Icons.check_circle, color: Colors.green), SizedBox(width: 4), Text('Found')]),
],
),
if (_checkError != null)
Padding(
padding: const EdgeInsets.only(top: 8),
child: Text(_checkError!, style: TextStyle(color: Theme.of(context).colorScheme.error)),
),
],
);
}
Widget _buildConfirmStep() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Package: ${_packageController.text.trim()}', style: const TextStyle(fontSize: 16)),
const SizedBox(height: 12),
const Text(
'You will be prompted for your password via the system\'s '
'PolicyKit dialog. Afterward, a restart will be required before '
'the package becomes usable.',
),
],
);
}
Widget _buildApplyStep() {
switch (_applyState) {
case _ApplyState.idle:
return const Text('Waiting to start…');
case _ApplyState.running:
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const LinearProgressIndicator(),
const SizedBox(height: 12),
SizedBox(height: 240, child: _buildLog()),
],
);
case _ApplyState.success:
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
Icon(Icons.check_circle, color: Colors.green.shade600),
const SizedBox(width: 8),
Expanded(
child: Text('Restart required to use "${_packageController.text.trim()}".'),
),
],
),
const SizedBox(height: 12),
Row(
children: [
FilledButton.icon(
onPressed: () => OstreeService.rebootNow(),
icon: const Icon(Icons.restart_alt),
label: const Text('Reboot Now'),
),
const SizedBox(width: 8),
OutlinedButton(
onPressed: () => setState(() {
_currentStep = 0;
_applyState = _ApplyState.idle;
_packageController.clear();
_packageVerified = false;
_statusFuture = OstreeService.getStatus();
}),
child: const Text('Reboot Later'),
),
],
),
const SizedBox(height: 12),
SizedBox(height: 180, child: _buildLog()),
],
);
case _ApplyState.failed:
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
Icon(Icons.error, color: Theme.of(context).colorScheme.error),
const SizedBox(width: 8),
const Text('Install failed. Nothing was changed — no restart needed.'),
],
),
const SizedBox(height: 12),
SizedBox(height: 180, child: _buildLog()),
const SizedBox(height: 12),
OutlinedButton(
onPressed: () => setState(() => _applyState = _ApplyState.idle),
child: const Text('Try Again'),
),
],
);
}
}
Widget _buildLog() {
return Container(
color: Colors.black87,
padding: const EdgeInsets.all(8),
child: ListView.builder(
controller: _logScroll,
itemCount: _log.length,
itemBuilder: (context, i) => Text(
_log[i],
style: const TextStyle(color: Colors.white, fontFamily: 'monospace', fontSize: 12),
),
),
);
}
}

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flutter/ephemeral

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# Project-level configuration.
cmake_minimum_required(VERSION 3.13)
project(runner LANGUAGES CXX)
# The name of the executable created for the application. Change this to change
# the on-disk name of your application.
set(BINARY_NAME "layer_wizard")
# The unique GTK application identifier for this application. See:
# https://wiki.gnome.org/HowDoI/ChooseApplicationID
set(APPLICATION_ID "com.ironmagma.layer_wizard")
# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
# versions of CMake.
cmake_policy(SET CMP0063 NEW)
# Load bundled libraries from the lib/ directory relative to the binary.
set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
# Root filesystem for cross-building.
if(FLUTTER_TARGET_PLATFORM_SYSROOT)
set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
endif()
# Define build configuration options.
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set(CMAKE_BUILD_TYPE "Debug" CACHE
STRING "Flutter build mode" FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug" "Profile" "Release")
endif()
# Compilation settings that should be applied to most targets.
#
# Be cautious about adding new options here, as plugins use this function by
# default. In most cases, you should add new options to specific targets instead
# of modifying this function.
function(APPLY_STANDARD_SETTINGS TARGET)
target_compile_features(${TARGET} PUBLIC cxx_std_14)
target_compile_options(${TARGET} PRIVATE -Wall -Werror)
target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
endfunction()
# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
# Application build; see runner/CMakeLists.txt.
add_subdirectory("runner")
# Run the Flutter tool portions of the build. This must not be removed.
add_dependencies(${BINARY_NAME} flutter_assemble)
# Only the install-generated bundle's copy of the executable will launch
# correctly, since the resources must in the right relative locations. To avoid
# people trying to run the unbundled copy, put it in a subdirectory instead of
# the default top-level location.
set_target_properties(${BINARY_NAME}
PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
)
# Generated plugin build rules, which manage building the plugins and adding
# them to the application.
include(flutter/generated_plugins.cmake)
# === Installation ===
# By default, "installing" just makes a relocatable bundle in the build
# directory.
set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
endif()
# Start with a clean build bundle directory every time.
install(CODE "
file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
" COMPONENT Runtime)
set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
COMPONENT Runtime)
install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
COMPONENT Runtime)
install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
install(FILES "${bundled_library}"
DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
endforeach(bundled_library)
# Copy the native assets provided by the build.dart from all packages.
set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/")
install(DIRECTORY "${NATIVE_ASSETS_DIR}"
DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
" COMPONENT Runtime)
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
# Install the AOT library on non-Debug builds only.
if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
endif()

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# This file controls Flutter-level build steps. It should not be edited.
cmake_minimum_required(VERSION 3.10)
set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
# Configuration provided via flutter tool.
include(${EPHEMERAL_DIR}/generated_config.cmake)
# TODO: Move the rest of this into files in ephemeral. See
# https://github.com/flutter/flutter/issues/57146.
# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
# which isn't available in 3.10.
function(list_prepend LIST_NAME PREFIX)
set(NEW_LIST "")
foreach(element ${${LIST_NAME}})
list(APPEND NEW_LIST "${PREFIX}${element}")
endforeach(element)
set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
endfunction()
# === Flutter Library ===
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
# Published to parent scope for install step.
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
list(APPEND FLUTTER_LIBRARY_HEADERS
"fl_basic_message_channel.h"
"fl_binary_codec.h"
"fl_binary_messenger.h"
"fl_dart_project.h"
"fl_engine.h"
"fl_json_message_codec.h"
"fl_json_method_codec.h"
"fl_message_codec.h"
"fl_method_call.h"
"fl_method_channel.h"
"fl_method_codec.h"
"fl_method_response.h"
"fl_plugin_registrar.h"
"fl_plugin_registry.h"
"fl_standard_message_codec.h"
"fl_standard_method_codec.h"
"fl_string_codec.h"
"fl_value.h"
"fl_view.h"
"flutter_linux.h"
)
list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
add_library(flutter INTERFACE)
target_include_directories(flutter INTERFACE
"${EPHEMERAL_DIR}"
)
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
target_link_libraries(flutter INTERFACE
PkgConfig::GTK
PkgConfig::GLIB
PkgConfig::GIO
)
add_dependencies(flutter flutter_assemble)
# === Flutter tool backend ===
# _phony_ is a non-existent file to force this command to run every time,
# since currently there's no way to get a full input/output list from the
# flutter tool.
add_custom_command(
OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
${CMAKE_CURRENT_BINARY_DIR}/_phony_
COMMAND ${CMAKE_COMMAND} -E env
${FLUTTER_TOOL_ENVIRONMENT}
"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
VERBATIM
)
add_custom_target(flutter_assemble DEPENDS
"${FLUTTER_LIBRARY}"
${FLUTTER_LIBRARY_HEADERS}
)

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//
// Generated file. Do not edit.
//
// clang-format off
#include "generated_plugin_registrant.h"
void fl_register_plugins(FlPluginRegistry* registry) {
}

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linux/flutter/generated_plugin_registrant.h Normal file
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//
// Generated file. Do not edit.
//
// clang-format off
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter_linux/flutter_linux.h>
// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_

23
linux/flutter/generated_plugins.cmake Normal file
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#
# Generated file, do not edit.
#
list(APPEND FLUTTER_PLUGIN_LIST
)
list(APPEND FLUTTER_FFI_PLUGIN_LIST
)
set(PLUGIN_BUNDLED_LIBRARIES)
foreach(plugin ${FLUTTER_PLUGIN_LIST})
add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
endforeach(plugin)
foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
endforeach(ffi_plugin)

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cmake_minimum_required(VERSION 3.13)
project(runner LANGUAGES CXX)
# Define the application target. To change its name, change BINARY_NAME in the
# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
# work.
#
# Any new source files that you add to the application should be added here.
add_executable(${BINARY_NAME}
"main.cc"
"my_application.cc"
"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
)
# Apply the standard set of build settings. This can be removed for applications
# that need different build settings.
apply_standard_settings(${BINARY_NAME})
# Add preprocessor definitions for the application ID.
add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
# Add dependency libraries. Add any application-specific dependencies here.
target_link_libraries(${BINARY_NAME} PRIVATE flutter)
target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")

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#include "my_application.h"
int main(int argc, char** argv) {
g_autoptr(MyApplication) app = my_application_new();
return g_application_run(G_APPLICATION(app), argc, argv);
}

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#include "my_application.h"
#include <flutter_linux/flutter_linux.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "flutter/generated_plugin_registrant.h"
struct _MyApplication {
GtkApplication parent_instance;
char** dart_entrypoint_arguments;
};
G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
// Called when first Flutter frame received.
static void first_frame_cb(MyApplication* self, FlView* view) {
gtk_widget_show(gtk_widget_get_toplevel(GTK_WIDGET(view)));
}
// Implements GApplication::activate.
static void my_application_activate(GApplication* application) {
MyApplication* self = MY_APPLICATION(application);
GtkWindow* window =
GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
// Use a header bar when running in GNOME as this is the common style used
// by applications and is the setup most users will be using (e.g. Ubuntu
// desktop).
// If running on X and not using GNOME then just use a traditional title bar
// in case the window manager does more exotic layout, e.g. tiling.
// If running on Wayland assume the header bar will work (may need changing
// if future cases occur).
gboolean use_header_bar = TRUE;
#ifdef GDK_WINDOWING_X11
GdkScreen* screen = gtk_window_get_screen(window);
if (GDK_IS_X11_SCREEN(screen)) {
const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
use_header_bar = FALSE;
}
}
#endif
if (use_header_bar) {
GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
gtk_widget_show(GTK_WIDGET(header_bar));
gtk_header_bar_set_title(header_bar, "layer_wizard");
gtk_header_bar_set_show_close_button(header_bar, TRUE);
gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
} else {
gtk_window_set_title(window, "layer_wizard");
}
gtk_window_set_default_size(window, 1280, 720);
g_autoptr(FlDartProject) project = fl_dart_project_new();
fl_dart_project_set_dart_entrypoint_arguments(
project, self->dart_entrypoint_arguments);
FlView* view = fl_view_new(project);
GdkRGBA background_color;
// Background defaults to black, override it here if necessary, e.g. #00000000
// for transparent.
gdk_rgba_parse(&background_color, "#000000");
fl_view_set_background_color(view, &background_color);
gtk_widget_show(GTK_WIDGET(view));
gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
// Show the window when Flutter renders.
// Requires the view to be realized so we can start rendering.
g_signal_connect_swapped(view, "first-frame", G_CALLBACK(first_frame_cb),
self);
gtk_widget_realize(GTK_WIDGET(view));
fl_register_plugins(FL_PLUGIN_REGISTRY(view));
gtk_widget_grab_focus(GTK_WIDGET(view));
}
// Implements GApplication::local_command_line.
static gboolean my_application_local_command_line(GApplication* application,
gchar*** arguments,
int* exit_status) {
MyApplication* self = MY_APPLICATION(application);
// Strip out the first argument as it is the binary name.
self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
g_autoptr(GError) error = nullptr;
if (!g_application_register(application, nullptr, &error)) {
g_warning("Failed to register: %s", error->message);
*exit_status = 1;
return TRUE;
}
g_application_activate(application);
*exit_status = 0;
return TRUE;
}
// Implements GApplication::startup.
static void my_application_startup(GApplication* application) {
// MyApplication* self = MY_APPLICATION(object);
// Perform any actions required at application startup.
G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
}
// Implements GApplication::shutdown.
static void my_application_shutdown(GApplication* application) {
// MyApplication* self = MY_APPLICATION(object);
// Perform any actions required at application shutdown.
G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
}
// Implements GObject::dispose.
static void my_application_dispose(GObject* object) {
MyApplication* self = MY_APPLICATION(object);
g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
}
static void my_application_class_init(MyApplicationClass* klass) {
G_APPLICATION_CLASS(klass)->activate = my_application_activate;
G_APPLICATION_CLASS(klass)->local_command_line =
my_application_local_command_line;
G_APPLICATION_CLASS(klass)->startup = my_application_startup;
G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
}
static void my_application_init(MyApplication* self) {}
MyApplication* my_application_new() {
// Set the program name to the application ID, which helps various systems
// like GTK and desktop environments map this running application to its
// corresponding .desktop file. This ensures better integration by allowing
// the application to be recognized beyond its binary name.
g_set_prgname(APPLICATION_ID);
return MY_APPLICATION(g_object_new(my_application_get_type(),
"application-id", APPLICATION_ID, "flags",
G_APPLICATION_NON_UNIQUE, nullptr));
}

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#ifndef FLUTTER_MY_APPLICATION_H_
#define FLUTTER_MY_APPLICATION_H_
#include <gtk/gtk.h>
G_DECLARE_FINAL_TYPE(MyApplication,
my_application,
MY,
APPLICATION,
GtkApplication)
/**
* my_application_new:
*
* Creates a new Flutter-based application.
*
* Returns: a new #MyApplication.
*/
MyApplication* my_application_new();
#endif // FLUTTER_MY_APPLICATION_H_

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# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
packages:
async:
dependency: transitive
description:
name: async
sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
url: "https://pub.dev"
source: hosted
version: "2.13.1"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
url: "https://pub.dev"
source: hosted
version: "2.1.2"
characters:
dependency: transitive
description:
name: characters
sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
url: "https://pub.dev"
source: hosted
version: "1.4.1"
clock:
dependency: transitive
description:
name: clock
sha256: e51d50bca3217c9a9fa2b41a30e4a38971133f5f9ec7a3d57bae095007f1d28e
url: "https://pub.dev"
source: hosted
version: "1.1.3"
collection:
dependency: transitive
description:
name: collection
sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
url: "https://pub.dev"
source: hosted
version: "1.19.1"
cupertino_icons:
dependency: "direct main"
description:
name: cupertino_icons
sha256: "41e005c33bd814be4d3096aff55b1908d419fde52ca656c8c47719ec745873cd"
url: "https://pub.dev"
source: hosted
version: "1.0.9"
fake_async:
dependency: transitive
description:
name: fake_async
sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
url: "https://pub.dev"
source: hosted
version: "1.3.3"
flutter:
dependency: "direct main"
description: flutter
source: sdk
version: "0.0.0"
flutter_lints:
dependency: "direct dev"
description:
name: flutter_lints
sha256: "3105dc8492f6183fb076ccf1f351ac3d60564bff92e20bfc4af9cc1651f4e7e1"
url: "https://pub.dev"
source: hosted
version: "6.0.0"
flutter_test:
dependency: "direct dev"
description: flutter
source: sdk
version: "0.0.0"
leak_tracker:
dependency: transitive
description:
name: leak_tracker
sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
url: "https://pub.dev"
source: hosted
version: "11.0.2"
leak_tracker_flutter_testing:
dependency: transitive
description:
name: leak_tracker_flutter_testing
sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
url: "https://pub.dev"
source: hosted
version: "3.0.10"
leak_tracker_testing:
dependency: transitive
description:
name: leak_tracker_testing
sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
url: "https://pub.dev"
source: hosted
version: "3.0.2"
lints:
dependency: transitive
description:
name: lints
sha256: "12f842a479589fea194fe5c5a3095abc7be0c1f2ddfa9a0e76aed1dbd26a87df"
url: "https://pub.dev"
source: hosted
version: "6.1.0"
matcher:
dependency: transitive
description:
name: matcher
sha256: "31bd099b47c10cd1aeb55146a2d46ce0277630ecef3f7dae54ad7873f36696cd"
url: "https://pub.dev"
source: hosted
version: "0.12.20"
material_color_utilities:
dependency: transitive
description:
name: material_color_utilities
sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
url: "https://pub.dev"
source: hosted
version: "0.13.0"
meta:
dependency: transitive
description:
name: meta
sha256: c82594181e3312f3d0695fc95aaaf7758d75b8d4ae2bbecf223b9fd5109a059d
url: "https://pub.dev"
source: hosted
version: "1.18.3"
path:
dependency: transitive
description:
name: path
sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
url: "https://pub.dev"
source: hosted
version: "1.9.1"
sky_engine:
dependency: transitive
description: flutter
source: sdk
version: "0.0.0"
source_span:
dependency: transitive
description:
name: source_span
sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
url: "https://pub.dev"
source: hosted
version: "1.10.2"
stack_trace:
dependency: transitive
description:
name: stack_trace
sha256: "277654b3034d17ac6f9f1cb5595db011b1d5d41e8806866db28e0abaa101c490"
url: "https://pub.dev"
source: hosted
version: "1.12.2"
stream_channel:
dependency: transitive
description:
name: stream_channel
sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
url: "https://pub.dev"
source: hosted
version: "2.1.4"
string_scanner:
dependency: transitive
description:
name: string_scanner
sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
url: "https://pub.dev"
source: hosted
version: "1.4.1"
term_glyph:
dependency: transitive
description:
name: term_glyph
sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
url: "https://pub.dev"
source: hosted
version: "1.2.2"
test_api:
dependency: transitive
description:
name: test_api
sha256: "2a122cbe059f8b610d3a5415f42e255b6c17b1f21eee1d960f31080237fb4f11"
url: "https://pub.dev"
source: hosted
version: "0.7.12"
vector_math:
dependency: transitive
description:
name: vector_math
sha256: "1d774bbdf6b72a0b12122fc1560c9c2d2a67db5a4a4cc2bd8a5c990ab20e3188"
url: "https://pub.dev"
source: hosted
version: "2.4.0"
vm_service:
dependency: transitive
description:
name: vm_service
sha256: "5f37239c4851efcef929cea7824e76df7f2f0970aef85d66bbc430afa40e72f0"
url: "https://pub.dev"
source: hosted
version: "15.3.0"
sdks:
dart: ">=3.13.5 <4.0.0"
flutter: ">=3.18.0-18.0.pre.54"

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name: layer_wizard
description: "A new Flutter project."
# The following line prevents the package from being accidentally published to
# pub.dev using `flutter pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
# In Windows, build-name is used as the major, minor, and patch parts
# of the product and file versions while build-number is used as the build suffix.
version: 1.0.0+1
environment:
sdk: ^3.13.5
# Dependencies specify other packages that your package needs in order to work.
# To automatically upgrade your package dependencies to the latest versions
# consider running `flutter pub upgrade --major-versions`. Alternatively,
# dependencies can be manually updated by changing the version numbers below to
# the latest version available on pub.dev. To see which dependencies have newer
# versions available, run `flutter pub outdated`.
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.8
dev_dependencies:
flutter_test:
sdk: flutter
# The "flutter_lints" package below contains a set of recommended lints to
# encourage good coding practices. The lint set provided by the package is
# activated in the `analysis_options.yaml` file located at the root of your
# package. See that file for information about deactivating specific lint
# rules and activating additional ones.
flutter_lints: ^6.0.0
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter packages.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
# To add assets to your application, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/to/resolution-aware-images
# For details regarding adding assets from package dependencies, see
# https://flutter.dev/to/asset-from-package
# To add custom fonts to your application, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schyler
# fonts:
# - asset: fonts/Schyler-Regular.ttf
# - asset: fonts/Schyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/to/font-from-package

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import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:layer_wizard/main.dart';
void main() {
testWidgets('app boots without crashing', (WidgetTester tester) async {
await tester.pumpWidget(const LayerWizardApp());
// Intentionally a single pump, not pumpAndSettle: startup kicks off real
// async work (reading a file, running `rpm-ostree status`) behind a
// CircularProgressIndicator, which never "settles". This just checks
// the app renders its initial loading frame without throwing.
await tester.pump();
expect(find.byType(CircularProgressIndicator), findsOneWidget);
});
}