Add options to repair or change file system

Change-Id: I9043e98e1e1ed4722f05c13a60b43d2d0bf739f6
diff --git a/partition.cpp b/partition.cpp
index e554ac7..e92fccf 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -1105,7 +1105,7 @@
 	else
 		unlink("/.layout_version");
 
-	if (Has_Data_Media) {
+	if (Has_Data_Media && Current_File_System == New_File_System) {
 		wiped = Wipe_Data_Without_Wiping_Media();
 	} else {
 
@@ -1185,6 +1185,100 @@
 	return true;
 }
 
+bool TWPartition::Can_Repair() {
+	if (Current_File_System == "vfat" && TWFunc::Path_Exists("/sbin/dosfsck"))
+		return true;
+	else if ((Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") && TWFunc::Path_Exists("/sbin/e2fsck"))
+		return true;
+	else if (Current_File_System == "exfat" && TWFunc::Path_Exists("/sbin/fsck.exfat"))
+		return true;
+	else if (Current_File_System == "f2fs" && TWFunc::Path_Exists("/sbin/fsck.f2fs"))
+		return true;
+	return false;
+}
+
+bool TWPartition::Repair() {
+	string command;
+
+	if (Current_File_System == "vfat") {
+		if (!TWFunc::Path_Exists("/sbin/dosfsck")) {
+			gui_print("dosfsck does not exist! Cannot repair!\n");
+			return false;
+		}
+		if (!UnMount(true))
+			return false;
+		gui_print("Repairing %s using dosfsck...\n", Display_Name.c_str());
+		Find_Actual_Block_Device();
+		command = "/sbin/dosfsck -y " + Actual_Block_Device;
+		LOGINFO("Repair command: %s\n", command.c_str());
+		if (TWFunc::Exec_Cmd(command) == 0) {
+			gui_print("Done.\n");
+			return true;
+		} else {
+			LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
+			return false;
+		}
+	}
+	if (Current_File_System == "ext2" || Current_File_System == "ext3" || Current_File_System == "ext4") {
+		if (!TWFunc::Path_Exists("/sbin/e2fsck")) {
+			gui_print("e2fsck does not exist! Cannot repair!\n");
+			return false;
+		}
+		if (!UnMount(true))
+			return false;
+		gui_print("Repairing %s using e2fsck...\n", Display_Name.c_str());
+		Find_Actual_Block_Device();
+		command = "/sbin/e2fsck -p " + Actual_Block_Device;
+		LOGINFO("Repair command: %s\n", command.c_str());
+		if (TWFunc::Exec_Cmd(command) == 0) {
+			gui_print("Done.\n");
+			return true;
+		} else {
+			LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
+			return false;
+		}
+	}
+	if (Current_File_System == "exfat") {
+		if (!TWFunc::Path_Exists("/sbin/fsck.exfat")) {
+			gui_print("fsck.exfat does not exist! Cannot repair!\n");
+			return false;
+		}
+		if (!UnMount(true))
+			return false;
+		gui_print("Repairing %s using fsck.exfat...\n", Display_Name.c_str());
+		Find_Actual_Block_Device();
+		command = "/sbin/fsck.exfat " + Actual_Block_Device;
+		LOGINFO("Repair command: %s\n", command.c_str());
+		if (TWFunc::Exec_Cmd(command) == 0) {
+			gui_print("Done.\n");
+			return true;
+		} else {
+			LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
+			return false;
+		}
+	}
+	if (Current_File_System == "f2fs") {
+		if (!TWFunc::Path_Exists("/sbin/fsck.f2fs")) {
+			gui_print("fsck.f2fs does not exist! Cannot repair!\n");
+			return false;
+		}
+		if (!UnMount(true))
+			return false;
+		gui_print("Repairing %s using fsck.f2fs...\n", Display_Name.c_str());
+		Find_Actual_Block_Device();
+		command = "/sbin/fsck.f2fs " + Actual_Block_Device;
+		LOGINFO("Repair command: %s\n", command.c_str());
+		if (TWFunc::Exec_Cmd(command) == 0) {
+			gui_print("Done.\n");
+			return true;
+		} else {
+			LOGERR("Unable to repair '%s'.\n", Mount_Point.c_str());
+			return false;
+		}
+	}
+	return false;
+}
+
 bool TWPartition::Backup(string backup_folder) {
 	if (Backup_Method == FILES)
 		return Backup_Tar(backup_folder);