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Fix deleting of directories on Linux

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Trailing slash of directories was mishandled, and incorrect derived paths
were formed. Stripping the slash fixes this.
This commit is contained in:
Mai Lavelle 2022-02-19 19:58:38 -05:00
parent 499eec13a3
commit dfdc1c1642
1 changed files with 20 additions and 19 deletions
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39
platform/linuxbsd/os_linuxbsd.cpp
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@ -398,9 +398,11 @@ static String get_mountpoint(const String &p_path) {
}
Error OS_LinuxBSD::move_to_trash(const String &p_path) {
String path = p_path.rstrip("/"); // Strip trailing slash when path points to a directory
int err_code;
List<String> args;
args.push_back(p_path);
args.push_back(path);
args.push_front("trash"); // The command is `gio trash <file_name>` so we need to add it to args.
Error result = execute("gio", args, nullptr, &err_code); // For GNOME based machines.
if (result == OK && !err_code) {
@ -430,14 +432,14 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
// If the commands `kioclient5`, `gio` or `gvfs-trash` don't exist on the system we do it manually.
String trash_path = "";
String mnt = get_mountpoint(p_path);
String mnt = get_mountpoint(path);
// If there is a directory "[Mountpoint]/.Trash-[UID], use it as the trash can.
if (!mnt.is_empty()) {
String path(mnt + "/.Trash-" + itos(getuid()));
String mountpoint_trash_path(mnt + "/.Trash-" + itos(getuid()));
struct stat s;
if (!stat(path.utf8().get_data(), &s)) {
trash_path = path;
if (!stat(mountpoint_trash_path.utf8().get_data(), &s)) {
trash_path = mountpoint_trash_path;
}
}
@ -468,18 +470,15 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
// Issue an error if trash can is not created properly.
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"");
err = dir_access->make_dir_recursive(trash_path + "/files");
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"/files");
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "/files\"");
err = dir_access->make_dir_recursive(trash_path + "/info");
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"/info");
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "/info\"");
}
// The trash can is successfully created, now we check that we don't exceed our file name length limit.
// If the file name is too long trim it so we can add the identifying number and ".trashinfo".
// Assumes that the file name length limit is 255 characters.
String file_name = p_path.get_file();
if (file_name.length() == 0) {
file_name = p_path.get_base_dir().get_file();
}
String file_name = path.get_file();
if (file_name.length() > 240) {
file_name = file_name.substr(0, file_name.length() - 15);
}
@ -502,29 +501,31 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
}
file_name = fn;
String renamed_path = path.get_base_dir() + "/" + file_name;
// Generates the .trashinfo file
OS::Date date = OS::get_singleton()->get_date(false);
OS::Time time = OS::get_singleton()->get_time(false);
String timestamp = vformat("%04d-%02d-%02dT%02d:%02d:", date.year, (int)date.month, date.day, time.hour, time.minute);
timestamp = vformat("%s%02d", timestamp, time.second); // vformat only supports up to 6 arguments.
String trash_info = "[Trash Info]\nPath=" + p_path.uri_encode() + "\nDeletionDate=" + timestamp + "\n";
String trash_info = "[Trash Info]\nPath=" + path.uri_encode() + "\nDeletionDate=" + timestamp + "\n";
{
Error err;
FileAccessRef file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err);
ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file:" + trash_path + "/info/" + file_name + ".trashinfo");
ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file: \"" + trash_path + "/info/" + file_name + ".trashinfo\"");
file->store_string(trash_info);
file->close();
// Rename our resource before moving it to the trash can.
DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
err = dir_access->rename(p_path, p_path.get_base_dir() + "/" + file_name);
ERR_FAIL_COND_V_MSG(err != OK, err, "Can't rename file \"" + p_path + "\"");
err = dir_access->rename(path, renamed_path);
ERR_FAIL_COND_V_MSG(err != OK, err, "Can't rename file \"" + path + "\" to \"" + renamed_path + "\"");
}
// Move the given resource to the trash can.
// Do not use DirAccess:rename() because it can't move files across multiple mountpoints.
List<String> mv_args;
mv_args.push_back(p_path.get_base_dir() + "/" + file_name);
mv_args.push_back(renamed_path);
mv_args.push_back(trash_path + "/files");
{
int retval;
@ -532,11 +533,11 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
// Issue an error if "mv" failed to move the given resource to the trash can.
if (err != OK || retval != 0) {
ERR_PRINT("move_to_trash: Could not move the resource \"" + p_path + "\" to the trash can \"" + trash_path + "/files\"");
ERR_PRINT("move_to_trash: Could not move the resource \"" + path + "\" to the trash can \"" + trash_path + "/files\"");
DirAccess *dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
err = dir_access->rename(p_path.get_base_dir() + "/" + file_name, p_path);
err = dir_access->rename(renamed_path, path);
memdelete(dir_access);
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not rename " + p_path.get_base_dir() + "/" + file_name + " back to its original name:" + p_path);
ERR_FAIL_COND_V_MSG(err != OK, err, "Could not rename \"" + renamed_path + "\" back to its original name: \"" + path + "\"");
return FAILED;
}
}