Add reversible old-identity migration and freeze corrected release identities

FCP-BeautyGirl/FCP-BeautyGirl.xcodeproj/project.pbxproj

@@ -22,14 +22,14 @@
 			containerPortal = 6945FC833088B7220013E108 /* Project object */;
 			proxyType = 1;
 			remoteGlobalIDString = 6945FC953088B7220013E108;
-			remoteInfo = "XPC Service";
+			remoteInfo = "FCP-BeautyGirl XPC Service";
 		};
 		6945FCA43088B7220013E108 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 6945FC833088B7220013E108 /* Project object */;
 			proxyType = 1;
 			remoteGlobalIDString = 6945FC953088B7220013E108;
-			remoteInfo = "XPC Service";
+			remoteInfo = "FCP-BeautyGirl XPC Service";
 		};
 /* End PBXContainerItemProxy section */
 
@@ -174,8 +174,8 @@
 			fileSystemSynchronizedGroups = (
 				6945FCA63088B7220013E108 /* FCP-BeautyGirl */,
 			);
-			name = "Wrapper Application";
-			productName = "Wrapper Application";
+			name = "FCP-BeautyGirl";
+			productName = "FCP-BeautyGirl";
 			productReference = 6945FC8B3088B7220013E108 /* FCP-BeautyGirl.app */;
 			productType = "com.apple.product-type.application";
 		};
@@ -194,8 +194,8 @@
 			fileSystemSynchronizedGroups = (
 				6945FCA63088B7220013E108 /* FCP-BeautyGirl */,
 			);
-			name = "XPC Service";
-			productName = "XPC Service";
+			name = "FCP-BeautyGirl XPC Service";
+			productName = "FCP-BeautyGirl XPC Service";
 			productReference = 6945FC963088B7220013E108 /* FCP-BeautyGirl XPC Service.pluginkit */;
 			productType = "com.apple.product-type.bundle";
 		};
@@ -323,7 +323,7 @@
 				);
 				MACH_O_TYPE = mh_execute;
 				PRODUCT_BUNDLE_IDENTIFIER = com.dayu.fcpbeautygirl.fxplug;
-				PRODUCT_NAME = "FCP-BeautyGirl $(TARGET_NAME)";
+				PRODUCT_NAME = "FCP-BeautyGirl XPC Service";
 				SWIFT_OBJC_BRIDGING_HEADER = "FCP-BeautyGirl/Plugin/XPC Service-Bridging-Header.h";
 				WRAPPER_EXTENSION = pluginkit;
 			};
@@ -346,7 +346,7 @@
 				);
 				MACH_O_TYPE = mh_execute;
 				PRODUCT_BUNDLE_IDENTIFIER = com.dayu.fcpbeautygirl.fxplug;
-				PRODUCT_NAME = "FCP-BeautyGirl $(TARGET_NAME)";
+				PRODUCT_NAME = "FCP-BeautyGirl XPC Service";
 				SWIFT_OBJC_BRIDGING_HEADER = "FCP-BeautyGirl/Plugin/XPC Service-Bridging-Header.h";
 				WRAPPER_EXTENSION = pluginkit;
 			};

product.json

@@ -9,7 +9,7 @@
   "sourceRoot": "FCP-BeautyGirl",
   "sourceDirectory": "FCP-BeautyGirl/FCP-BeautyGirl",
   "xcodeProject": "FCP-BeautyGirl/FCP-BeautyGirl.xcodeproj",
-  "scheme": "Wrapper Application",
+  "scheme": "FCP-BeautyGirl",
   "installationPath": "/Library/Plug-Ins/FxPlug/FCP-BeautyGirl.app",
   "filterUUID": "FB14B0E6-59B2-4836-916F-CD0C559E9241",
   "teamIdentifier": "B3W25FX5H5",

scripts/deliver.py

@@ -3,26 +3,24 @@
 The final prompt keeps the lock held while native-host validation is performed.
 """
 import argparse, datetime, json, os, pathlib, plistlib, re, shutil, subprocess, sys, time
+from product_identity import PRODUCT, LegacyMigration, delivery_locks, validate_app
 root=pathlib.Path(__file__).resolve().parent.parent
 parser=argparse.ArgumentParser(description=__doc__)
 parser.add_argument('--wait-for-hosts',action='store_true',help='After notarization, retain the delivery lock and wait for Motion/FCP to exit naturally before installing; never control or quit either host.')
 parser.add_argument('--user-tests',action='store_true',help='After non-UI installed-app verification, record native effect QA as pending user testing and clean known generated copies without the interactive validation prompt.')
 parser.add_argument('--resume-prepared',action='store_true',help='Resume an already Accepted and stapled staged app after checking its recorded signature, version and unchanged product source.')
 args=parser.parse_args()
-bundle_id='com.dayu.fcpbeautygirl'
-lock=pathlib.Path('/Users/dayu/.codex/app-delivery-locks')/(bundle_id+'.lock')
-lock.parent.mkdir(parents=True,exist_ok=True)
-try:lock.mkdir()
-except FileExistsError:raise SystemExit('Delivery lock occupied; inspect owner.json and the owner process')
-(lock/'owner.json').write_text(json.dumps({'pid':os.getpid(),'cwd':str(root),'bundle_id':bundle_id}))
-staging=pathlib.Path('/tmp/paintfcp-build-20261021')
+bundle_id=PRODUCT['bundleIdentifier']
+locks=delivery_locks();locks.__enter__()
+staging=pathlib.Path('/tmp/fcp-beautygirl-release')
 logs=root/'build'/'delivery';logs.mkdir(parents=True,exist_ok=True)
-app=staging/'Build/Products/Release/FCP-BeautyGirl.app'
-installed=pathlib.Path('/Library/Plug-Ins/FxPlug/FCP-BeautyGirl.app')
+app=staging/'Build/Products/Release'/(PRODUCT['name']+'.app')
+installed=pathlib.Path(PRODUCT['installationPath'])
 archive=logs/'notarization.zip'
 identity='Developer ID Application: zhong luo (B3W25FX5H5)'
 keychain='/Users/dayu/Library/Keychains/login.keychain-db'
 previous=logs/'previous-FCP-BeautyGirl.app'
+migration=LegacyMigration(logs)
 receipt_path=logs/'delivery-receipt.json'
 receipt={'status':'preparing','bundleIdentifier':bundle_id,'installationPath':str(installed),
          'options':{'waitForHosts':args.wait_for_hosts,'userTests':args.user_tests},
@@ -80,7 +78,7 @@ def cleanup_known_products():
 try:
     delivery_source={'commit':run(['git','rev-parse','HEAD']).strip(),
                      'trackedWorktreeChanges':run(['git','status','--porcelain','--untracked-files=no']).splitlines()}
-    plugin=app/'Contents/PlugIns/FCP-BeautyGirl XPC Service.pluginkit'
+    plugin=app/'Contents/PlugIns'/PRODUCT['pluginName']
     if args.resume_prepared:
         old_receipt=json.loads(receipt_path.read_text())
         result=old_receipt.get('notarization',{})
@@ -94,7 +92,7 @@ try:
         if not expected or not actual or expected.group(1)!=actual.group(1):raise RuntimeError('Prepared signature hash changed')
         if info.get('CFBundleShortVersionString')!=old_receipt.get('version') or info.get('CFBundleVersion')!=old_receipt.get('build'):raise RuntimeError('Prepared version changed')
         source_commit=old_receipt.get('source',{}).get('commit')
-        if not source_commit or run(['git','diff',source_commit,'--','FCP-BeautyGirl']).strip():raise RuntimeError('Product source changed since prepared build')
+        if not source_commit or run(['git','diff',source_commit,'--',PRODUCT['sourceRoot'],'product.json']).strip():raise RuntimeError('Product source changed since prepared build')
         receipt.update(old_receipt);receipt.pop('failure',None)
         receipt['resumedBy']=delivery_source
         receipt['options']={'waitForHosts':args.wait_for_hosts,'userTests':args.user_tests,'resumePrepared':True}
@@ -107,14 +105,14 @@ try:
         identities=run(['security','find-identity','-v','-p','codesigning',keychain])
         if identity not in identities:raise RuntimeError('Valid Developer ID Application identity is unavailable')
         print('Building universal Release…',flush=True)
-        run(['xcodebuild','-project','FCP-BeautyGirl/FCP-BeautyGirl.xcodeproj','-scheme','Wrapper Application','-configuration','Release','-derivedDataPath',str(staging),'-destination','generic/platform=macOS','build'],logs/'build.log')
+        run(['xcodebuild','-project',PRODUCT['xcodeProject'],'-scheme',PRODUCT['scheme'],'-configuration','Release','-derivedDataPath',str(staging),'-destination','generic/platform=macOS','build'],logs/'build.log')
         # Xcode can register a fresh build. Remove this known generated path before
         # lengthy signing/notarization while a user may still be testing the old app.
         unregister_generated_plugin(plugin)
         for framework in sorted((plugin/'Contents/Frameworks').glob('*.framework')):
             run(['codesign','--force','--timestamp','--options','runtime','--sign',identity,str(framework)])
         run(['codesign','--force','--timestamp','--options','runtime','--sign',identity,str(plugin)])
-        run(['codesign','--force','--timestamp','--options','runtime','--entitlements',str(root/'FCP-BeautyGirl/FCP-BeautyGirl/Wrapper Application/SandboxEntitlements.entitlements'),'--sign',identity,str(app)])
+        run(['codesign','--force','--timestamp','--options','runtime','--entitlements',str(root/PRODUCT['sourceDirectory']/'Wrapper Application/SandboxEntitlements.entitlements'),'--sign',identity,str(app)])
         run(['codesign','--verify','--deep','--strict',str(app)])
         info=require_product(app)
         receipt['version']=info.get('CFBundleShortVersionString');receipt['build']=info.get('CFBundleVersion')
@@ -148,6 +146,8 @@ try:
     if installed.exists():
         shutil.move(str(installed),str(previous))
     try:
+        validate_app(app,bundle_id)
+        migration.relocate(unregister_generated_plugin)
         shutil.copytree(app,installed,symlinks=True)
         run(['codesign','--verify','--deep','--strict',str(installed)])
         run(['xcrun','stapler','validate',str(installed)])
@@ -156,21 +156,23 @@ try:
         signature=subprocess.run(['codesign','-dvvv',str(installed)],capture_output=True,text=True,check=True).stderr
         if info.get('CFBundleIdentifier')!=bundle_id or 'TeamIdentifier=B3W25FX5H5' not in signature:raise RuntimeError('Installed app identity mismatch')
         (logs/'installed-signature.txt').write_text(signature)
-        run(['pluginkit','-a',str(installed/'Contents/PlugIns/FCP-BeautyGirl XPC Service.pluginkit')])
+        run(['pluginkit','-a',str(installed/'Contents/PlugIns'/PRODUCT['pluginName'])])
         # Xcode may register its build product. Only the installed plugin should
         # be discoverable while native host validation is in progress.
         unregister_generated_plugin(plugin)
-        installed_plugin=installed/'Contents/PlugIns/FCP-BeautyGirl XPC Service.pluginkit'
+        installed_plugin=installed/'Contents/PlugIns'/PRODUCT['pluginName']
         plugin_info=plistlib.loads((installed_plugin/'Contents/Info.plist').read_bytes())
         discovered=run(['pluginkit','-m','-A','-D','-v','-i',plugin_info['CFBundleIdentifier']])
         if str(installed_plugin) not in discovered:raise RuntimeError('PluginKit did not report the formal installed plug-in path')
         (logs/'installed-discovery.txt').write_text(discovered)
         save_receipt('installed',installedSignature=signature,installedSignatureVerified=True,
                      installedStapleValidated=True,gatekeeperAccepted=True,
+                     identityMigration={'legacyInstallationsRemoved':[str(source) for legacy,source,backup in migration.moved], 'filterUUIDPreserved':PRODUCT['filterUUID']},
                      pluginDiscovery={'bundleIdentifier':plugin_info['CFBundleIdentifier'],'formalPath':str(installed_plugin),'output':discovered})
     except Exception:
         if installed.exists():shutil.rmtree(installed)
         if previous.exists():shutil.move(str(previous),str(installed))
+        migration.rollback(lambda path:run(['pluginkit','-a',str(path)]))
         raise
     print(json.dumps({'status':'installed','path':str(installed),'notarization':result}),flush=True)
     if args.user_tests:
@@ -179,11 +181,11 @@ try:
         input('HOST_VALIDATION_PENDING: press Return only after host verification and duplicate inventory.\n')
         receipt['nativeEffectQA']={'status':'operator_confirmed','performedByScript':False}
     # Only this task’s known generated product copies are removed.
-    removed=cleanup_known_products()
+    removed=migration.cleanup()+cleanup_known_products()
     save_receipt('installed_user_qa_pending' if args.user_tests else 'complete',removedGeneratedPaths=removed)
     print('Delivery staging and notarization archive cleaned.',flush=True)
 except BaseException as error:
     save_receipt('failed',failure={'type':type(error).__name__,'message':str(error)})
     raise
 finally:
-    (lock/'owner.json').unlink();lock.rmdir()
+    locks.__exit__(None,None,None)

scripts/installer_identity.py

@@ -0,0 +1,83 @@
+"""Add this product's reversible identity migration to PKG Forge's postinstall."""
+from product_identity import PRODUCT
+
+def inject_migration(post, product=PRODUCT):
+    legacy, = product['legacyProducts']
+    block = r'''
+# FCP-BeautyGirl identity migration. Payload and template work are already complete.
+BG_NEW_APP="${TARGET_VOLUME%/}@@NEW_PATH@@"
+BG_OLD_APP="${TARGET_VOLUME%/}@@OLD_PATH@@"
+BG_BACKUP_DIR=""
+BG_OLD_MOVED=0
+bg_validate_identity() {
+  local app="$1" expected="$2" plugin="$3" actual signature uuid
+  [[ -d "$app" && ! -L "$app" ]] || return 1
+  actual="$(/usr/libexec/PlistBuddy -c 'Print :CFBundleIdentifier' "$app/Contents/Info.plist")" || return 1
+  [[ "$actual" == "$expected" ]] || return 1
+  /usr/bin/codesign --verify --all-architectures --deep --strict "$app" || return 1
+  signature="$(/usr/bin/codesign -dvvv "$app" 2>&1)" || return 1
+  [[ "$signature" == *'TeamIdentifier=@@TEAM@@'* ]] || return 1
+  uuid="$(/usr/libexec/PlistBuddy -c 'Print :ProPlugPlugInList:0:uuid' "$app/Contents/PlugIns/$plugin/Contents/Info.plist")" || return 1
+  [[ "$uuid" == '@@UUID@@' ]]
+}
+bg_unregister_identity() {
+  # Both bootstrap session and Unix identity belong to the desktop user.
+  /bin/launchctl asuser "$CONSOLE_UID" /usr/bin/sudo -u "$CONSOLE_USER" /usr/bin/pluginkit -r "$1" >/dev/null 2>&1 || true
+}
+bg_rollback_identity() {
+  local result=$?
+  trap - EXIT
+  if (( result != 0 && BG_OLD_MOVED )); then
+    bg_validate_identity "$BG_NEW_APP" '@@NEW_ID@@' '@@NEW_PLUGIN@@' || {
+      /bin/echo "新 APP 身份已变化，旧版保留在 $BG_BACKUP_DIR" >&2
+      exit "$result"
+    }
+    bg_unregister_identity "$BG_NEW_APP/Contents/PlugIns/@@NEW_PLUGIN@@"
+    /bin/rm -rf "$BG_NEW_APP"
+    /bin/mv "$BG_BACKUP_DIR/@@OLD_NAME@@.app" "$BG_OLD_APP"
+    /bin/rmdir "$BG_BACKUP_DIR"
+    fx_verify_app "$BG_OLD_APP" 0 'Contents/PlugIns/@@OLD_PLUGIN@@' '@@OLD_PLUGIN_ID@@' '1.1' || true
+  fi
+  exit "$result"
+}
+bg_finish_identity() {
+  if (( BG_OLD_MOVED )); then
+    bg_validate_identity "$BG_BACKUP_DIR/@@OLD_NAME@@.app" '@@OLD_ID@@' '@@OLD_PLUGIN@@'
+    /bin/rm -rf "$BG_BACKUP_DIR/@@OLD_NAME@@.app"
+    /bin/rmdir "$BG_BACKUP_DIR"
+  fi
+  trap - EXIT
+}
+bg_validate_identity "$BG_NEW_APP" '@@NEW_ID@@' '@@NEW_PLUGIN@@' || {
+  /bin/echo '新版 APP 签名或身份验证失败，未迁移旧版。' >&2
+  exit 1
+}
+if [[ -e "$BG_OLD_APP" || -L "$BG_OLD_APP" ]]; then
+  bg_validate_identity "$BG_OLD_APP" '@@OLD_ID@@' '@@OLD_PLUGIN@@' || {
+    /bin/echo '旧路径的 APP 身份不属于本产品，未移动或删除。' >&2
+    exit 1
+  }
+  BG_RECOVERY_ROOT="${TARGET_VOLUME%/}/Library/Application Support/@@NAME@@/Migration"
+  /bin/mkdir -p "$BG_RECOVERY_ROOT"
+  BG_BACKUP_DIR="$(/usr/bin/mktemp -d "$BG_RECOVERY_ROOT/.upgrade-XXXXXXXX")"
+  bg_unregister_identity "$BG_OLD_APP/Contents/PlugIns/@@OLD_PLUGIN@@"
+  /bin/mv "$BG_OLD_APP" "$BG_BACKUP_DIR/@@OLD_NAME@@.app"
+  BG_OLD_MOVED=1
+fi
+trap bg_rollback_identity EXIT
+'''
+    values = {'NEW_PATH': product['installationPath'], 'OLD_PATH': legacy['installationPath'],
+              'NEW_ID': product['bundleIdentifier'], 'OLD_ID': legacy['bundleIdentifier'],
+              'NEW_PLUGIN': product['pluginName'], 'OLD_PLUGIN': legacy['pluginName'],
+              'OLD_PLUGIN_ID': legacy['pluginBundleIdentifier'], 'OLD_NAME': legacy['name'],
+              'NAME': product['name'], 'TEAM': product['teamIdentifier'], 'UUID': product['filterUUID']}
+    for key, value in values.items():
+        if any(c in value for c in ['"', "'", '\n', '$', '`']):
+            raise ValueError('Unsafe installer identity value: ' + key)
+        block = block.replace('@@' + key + '@@', value)
+    marker = '\ntrap - EXIT\nfx_verify_app '
+    if post.count(marker) != 1 or not post.rstrip().endswith('exit 0'):
+        raise ValueError('Unexpected PKG Forge postinstall structure')
+    post = post.replace(marker, '\ntrap - EXIT\n' + block + '\nfx_verify_app ', 1)
+    end = post.rfind('exit 0')
+    return post[:end] + 'bg_finish_identity\n' + post[end:]

scripts/product_identity.py

@@ -0,0 +1,81 @@
+"""Shared product identity and reversible, identity-checked legacy APP migration."""
+import contextlib, json, os, pathlib, plistlib, shutil, subprocess
+
+ROOT = pathlib.Path(__file__).resolve().parent.parent
+PRODUCT = json.loads((ROOT / 'product.json').read_text())
+
+def validate_app(path, bundle_id, team=PRODUCT['teamIdentifier']):
+    path = pathlib.Path(path)
+    info = plistlib.loads((path / 'Contents/Info.plist').read_bytes())
+    if info.get('CFBundleIdentifier') != bundle_id:
+        raise RuntimeError('APP identity mismatch: ' + str(path))
+    subprocess.run(['codesign', '--verify', '--all-architectures', '--deep', '--strict', str(path)], check=True, capture_output=True)
+    signature = subprocess.run(['codesign', '-dvvv', str(path)], check=True, text=True, capture_output=True).stderr
+    if ('TeamIdentifier=' + team) not in signature:
+        raise RuntimeError('APP signing team mismatch: ' + str(path))
+    plugins = list((path / 'Contents/PlugIns').glob('*.pluginkit'))
+    if not any(PRODUCT['filterUUID'] in [p.get('uuid') for p in plistlib.loads((plugin / 'Contents/Info.plist').read_bytes()).get('ProPlugPlugInList', [])] for plugin in plugins):
+        raise RuntimeError('APP does not contain this product filter UUID: ' + str(path))
+    return info
+
+@contextlib.contextmanager
+def delivery_locks(product=PRODUCT):
+    """Hold both old and new identity locks throughout an identity migration."""
+    base = pathlib.Path('/Users/dayu/.codex/app-delivery-locks')
+    base.mkdir(parents=True, exist_ok=True)
+    held = []
+    try:
+        for bundle_id in sorted({product['bundleIdentifier']} | {p['bundleIdentifier'] for p in product.get('legacyProducts', [])}):
+            lock = base / (bundle_id + '.lock')
+            lock.mkdir()
+            held.append(lock)
+            (lock / 'owner.json').write_text(json.dumps({'pid': os.getpid(), 'cwd': str(ROOT), 'bundle_id': bundle_id, 'product': product['name']}))
+        yield
+    finally:
+        for lock in reversed(held):
+            (lock / 'owner.json').unlink(missing_ok=True)
+            lock.rmdir()
+
+class LegacyMigration:
+    def __init__(self, backup_root, *, product=PRODUCT, volume=pathlib.Path('/'), verifier=validate_app):
+        self.product, self.backup_root, self.verifier = product, pathlib.Path(backup_root), verifier
+        self.volume, self.moved = pathlib.Path(volume), []
+
+    def candidates(self):
+        result = []
+        for legacy in self.product.get('legacyProducts', []):
+            source = self.volume / pathlib.Path(legacy['installationPath']).relative_to('/')
+            if source.exists():
+                self.verifier(source, legacy['bundleIdentifier'])
+                backup = self.backup_root / ('legacy-' + legacy['name'] + '.app')
+                if backup.exists():
+                    raise RuntimeError('Legacy recovery copy already exists: ' + str(backup))
+                result.append((legacy, source, backup))
+        return result
+
+    def relocate(self, unregister):
+        # Validate every candidate before moving any of them.
+        for legacy, source, backup in self.candidates():
+            self.verifier(source, legacy['bundleIdentifier'])
+            unregister(source / 'Contents/PlugIns' / legacy['pluginName'])
+            backup.parent.mkdir(parents=True, exist_ok=True)
+            shutil.move(str(source), str(backup))
+            self.moved.append((legacy, source, backup))
+
+    def rollback(self, register):
+        for legacy, source, backup in reversed(self.moved):
+            if source.exists():
+                raise RuntimeError('Refusing to overwrite a new APP during rollback: ' + str(source))
+            self.verifier(backup, legacy['bundleIdentifier'])
+            shutil.move(str(backup), str(source))
+            register(source / 'Contents/PlugIns' / legacy['pluginName'])
+        self.moved.clear()
+
+    def cleanup(self):
+        removed = []
+        for legacy, source, backup in self.moved:
+            self.verifier(backup, legacy['bundleIdentifier'])
+            shutil.rmtree(backup)
+            removed.append(str(backup))
+        self.moved.clear()
+        return removed

tests/identity_migration_tests.py

@@ -0,0 +1,91 @@
+import importlib.util, json, pathlib, plistlib, subprocess, tempfile, unittest
+from unittest.mock import patch
+
+ROOT = pathlib.Path(__file__).resolve().parent.parent
+spec = importlib.util.spec_from_file_location('product_identity', ROOT / 'scripts/product_identity.py')
+identity = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(identity)
+
+class IdentityMigrationTests(unittest.TestCase):
+    def setUp(self):
+        self.tmp = tempfile.TemporaryDirectory(prefix='beautygirl-identity-test.')
+        self.volume = pathlib.Path(self.tmp.name)
+        self.legacy = identity.PRODUCT['legacyProducts'][0]
+        self.old = self.volume / pathlib.Path(self.legacy['installationPath']).relative_to('/')
+        (self.old / 'Contents/PlugIns' / self.legacy['pluginName'] / 'Contents').mkdir(parents=True)
+        (self.old / 'Contents/Info.plist').write_bytes(plistlib.dumps({'CFBundleIdentifier': self.legacy['bundleIdentifier']}))
+        (self.old / 'Contents/PlugIns' / self.legacy['pluginName'] / 'Contents/Info.plist').write_bytes(plistlib.dumps({'ProPlugPlugInList': [{'uuid': identity.PRODUCT['filterUUID']}]}))
+        self.signature = patch.object(identity.subprocess, 'run', return_value=subprocess.CompletedProcess([], 0, '', 'TeamIdentifier=B3W25FX5H5\n'))
+        self.signature.start()
+        self.migration = identity.LegacyMigration(self.volume / 'backups', volume=self.volume)
+
+    def tearDown(self):
+        self.signature.stop()
+        self.tmp.cleanup()
+
+    def test_success_removes_only_validated_old_product(self):
+        original = (self.old / 'Contents/Info.plist').read_bytes()
+        unrelated = self.old.parent / 'Unrelated.app'
+        unrelated.mkdir()
+        calls = []
+        self.migration.relocate(calls.append)
+        self.assertFalse(self.old.exists())
+        self.assertEqual(len(calls), 1)
+        self.assertEqual((self.migration.moved[0][2] / 'Contents/Info.plist').read_bytes(), original)
+        self.assertEqual(len(self.migration.cleanup()), 1)
+        self.assertTrue(unrelated.exists())
+
+    def test_failed_new_install_restores_old_bytes_and_registration(self):
+        original = (self.old / 'Contents/Info.plist').read_bytes()
+        self.migration.relocate(lambda p: None)
+        calls = []
+        self.migration.rollback(calls.append)
+        self.assertEqual((self.old / 'Contents/Info.plist').read_bytes(), original)
+        self.assertEqual(calls, [self.old / 'Contents/PlugIns' / self.legacy['pluginName']])
+
+    def test_wrong_bundle_id_is_never_moved(self):
+        (self.old / 'Contents/Info.plist').write_bytes(plistlib.dumps({'CFBundleIdentifier': 'com.unrelated.product'}))
+        with self.assertRaisesRegex(RuntimeError, 'identity mismatch'):
+            self.migration.relocate(lambda p: self.fail('Must not deregister another product'))
+        self.assertTrue(self.old.exists())
+
+    def test_wrong_filter_uuid_is_never_moved(self):
+        (self.old / 'Contents/PlugIns' / self.legacy['pluginName'] / 'Contents/Info.plist').write_bytes(plistlib.dumps({'ProPlugPlugInList': []}))
+        with self.assertRaisesRegex(RuntimeError, 'filter UUID'):
+            self.migration.relocate(lambda p: self.fail('Must not deregister another filter'))
+        self.assertTrue(self.old.exists())
+
+    def test_invalid_signature_keeps_original(self):
+        with patch.object(identity.subprocess, 'run', side_effect=subprocess.CalledProcessError(1, 'codesign')):
+            with self.assertRaises(subprocess.CalledProcessError):
+                self.migration.relocate(lambda p: self.fail('Unverified APP must remain'))
+        self.assertTrue(self.old.exists())
+
+    def test_existing_backup_cannot_be_overwritten(self):
+        backup = self.volume / 'backups' / ('legacy-' + self.legacy['name'] + '.app')
+        backup.mkdir(parents=True)
+        with self.assertRaisesRegex(RuntimeError, 'already exists'):
+            self.migration.relocate(lambda p: self.fail('Recovery copy must be preserved'))
+        self.assertTrue(self.old.exists())
+
+    def test_failed_deregistration_keeps_old_installation(self):
+        def unavailable(path):
+            raise RuntimeError('registry unavailable')
+        with self.assertRaisesRegex(RuntimeError, 'registry unavailable'):
+            self.migration.relocate(unavailable)
+        self.assertTrue(self.old.exists())
+
+    def test_project_and_legacy_template_share_stable_filter_identity(self):
+        p = identity.PRODUCT
+        pbx = (ROOT / p['xcodeProject'] / 'project.pbxproj').read_text()
+        self.assertEqual(pbx.count('PRODUCT_BUNDLE_IDENTIFIER = ' + p['bundleIdentifier'] + ';'), 2)
+        self.assertEqual(pbx.count('PRODUCT_BUNDLE_IDENTIFIER = ' + p['pluginBundleIdentifier'] + ';'), 2)
+        self.assertNotIn('beatygril', pbx)
+        plugin = plistlib.loads((ROOT / p['sourceDirectory'] / 'Plugin/Info.plist').read_bytes())
+        self.assertEqual(plugin['ProPlugPlugInList'][0]['className'], p['pluginClass'])
+        self.assertEqual(plugin['ProPlugPlugInList'][0]['uuid'], p['filterUUID'])
+        self.assertEqual(plugin['CFBundleShortVersionString'], p['version'])
+        self.assertIn('pluginUUID="' + p['filterUUID'] + '"', (ROOT / 'Templates/大鱼人像美化/大鱼人像美化.moef').read_text())
+
+if __name__ == '__main__':
+    unittest.main()