Installer: separate writing bootsector from other install finishing code

Remove the InstallerInitScript (it does nothing) and the
InstallerFinishScript (it does too many things). Instead implement the
finishing directly in Installer. Separate writing the bootsector, so
that the "write bootsector" menu writes only the bootsector.

Fixes #16303

src/apps/installer/WorkerThread.cpp

@@ -227,7 +227,7 @@ WorkerThread::MessageReceived(BMessage* message)
 				}
 			}
 
-			if (_LaunchFinishScript(targetDirectory) != B_OK) {
+			if (_WriteBootSector(targetDirectory) != B_OK) {
 				_SetStatusMessage(
 					B_TRANSLATE("Error writing boot sector."));
 				break;
@@ -304,17 +304,13 @@ WorkerThread::WriteBootSector(BMenu* targetMenu)
 
 
 status_t
-WorkerThread::_LaunchInitScript(BPath &path)
+WorkerThread::_WriteBootSector(BPath &path)
 {
 	BPath bootPath;
 	find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
-	BString command("/bin/sh ");
-	command += bootPath.Path();
-	command += "/InstallerInitScript ";
-	command += "\"";
-	command += path.Path();
-	command += "\"";
-	_SetStatusMessage(B_TRANSLATE("Starting installation."));
+	BString command;
+	command.SetToFormat("makebootable \"%s\"", path.Path());
+	_SetStatusMessage(B_TRANSLATE("Writing bootsector."));
 	return system(command.String());
 }
 
@@ -322,15 +318,14 @@ WorkerThread::_LaunchInitScript(BPath &path)
 status_t
 WorkerThread::_LaunchFinishScript(BPath &path)
 {
-	BPath bootPath;
-	find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
-	BString command("/bin/sh ");
-	command += bootPath.Path();
-	command += "/InstallerFinishScript ";
-	command += "\"";
-	command += path.Path();
-	command += "\"";
 	_SetStatusMessage(B_TRANSLATE("Finishing installation."));
+
+	BString command;
+	command.SetToFormat("mkdir -p \"%s/system/cache/tmp\"", path.Path());
+	if (system(command.String()) != 0)
+		return B_ERROR;
+
+	command.SetToFormat("rm -f \"%s/home/Desktop/Installer\"", path.Path());
 	return system(command.String());
 }
 
@@ -489,10 +484,6 @@ WorkerThread::_PerformInstall(partition_id sourcePartitionID,
 	CopyEngine engine(&reporter, &entryFilter);
 	BList unzipEngines;
 
-	err = _LaunchInitScript(targetDirectory);
-	if (err != B_OK)
-		return _InstallationError(err);
-
 	// Create the default indices which should always be present on a proper
 	// boot volume. We don't care if the source volume does not have them.
 	// After all, the user might be re-installing to another drive and may
@@ -579,6 +570,10 @@ WorkerThread::_PerformInstall(partition_id sourcePartitionID,
 	if (err != B_OK)
 		return _InstallationError(err);
 
+	err = _WriteBootSector(targetDirectory);
+	if (err != B_OK)
+		return _InstallationError(err);
+
 	err = _LaunchFinishScript(targetDirectory);
 	if (err != B_OK)
 		return _InstallationError(err);

src/apps/installer/WorkerThread.h

@@ -39,7 +39,7 @@ public:
 			void				WriteBootSector(BMenu* dstMenu);
 
 private:
-			status_t			_LaunchInitScript(BPath& path);
+			status_t			_WriteBootSector(BPath& path);
 			status_t			_LaunchFinishScript(BPath& path);
 
 			status_t			_PerformInstall(partition_id sourcePartitionID,

src/tests/apps/installer/CopyEngine.cpp

@@ -55,34 +55,6 @@ CopyEngine::SetStatusMessage(char *status)
 }
 
 
-void
-CopyEngine::LaunchInitScript(BPath &path)
-{
-	BPath bootPath;
-	find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
-	BString command("/bin/sh ");
-	command += bootPath.Path();
-	command += "/InstallerInitScript ";
-	command += path.Path();
-	SetStatusMessage("Starting Installation.");	
-	system(command.String());
-}
-
-
-void
-CopyEngine::LaunchFinishScript(BPath &path)
-{
-	BPath bootPath;
-	find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
-	BString command("/bin/sh ");
-	command += bootPath.Path();
-	command += "/InstallerFinishScript ";
-	command += path.Path();
-	SetStatusMessage("Finishing Installation.");	
-	system(command.String());
-}
-
-
 void
 CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
 {

src/tests/apps/installer/CopyEngine.h

@@ -26,8 +26,6 @@ public:
 	void SetPackagesList(BList *list);
 	void SetSpaceRequired(off_t bytes) { fSpaceRequired = bytes; };
 private:
-	void LaunchInitScript(BPath &path);
-	void LaunchFinishScript(BPath &path);
 	void CopyFolder(BDirectory &srcDir, BDirectory &targetDir);
 	
 	InstallerWindow *fWindow;