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gio-tool-trash: Add --restore subcommand

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It search for attribute trash::orig-path and move the input file to it.
Possibly recreating the directory of orignal path and/or overwritting
the destination.

Closes #2098

Signed-off-by: Frederic Martinsons <frederic.martinsons@sigfox.com>
This commit is contained in:
Frederic Martinsons 2020-12-07 16:46:14 +01:00
parent 105e06cc2e
commit 725984fe8e
2 changed files with 99 additions and 8 deletions
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17
docs/reference/gio/gio.xml
View File

@ -678,17 +678,18 @@
<arg choice="opt" rep="repeat"><replaceable>LOCATION</replaceable></arg>
</term>
<listitem>
<para>Sends files or directories to the ‘Trashcan’. This can be a
different folder depending on where the file is located, and not
all file systems support this concept. In the common case that the
file lives inside a user’s home directory, the trash folder is
<para>Sends files or directories to the ‘Trashcan’ or restore them from
‘Trashcan’. This can be a different folder depending on where the file
is located, and not all file systems support this concept. In the common
case that the file lives inside a user’s home directory, the trash folder is
<filename><envar>$XDG_DATA_HOME</envar>/Trash</filename>.</para>
<para>Note that moving files to the trash does not free up space on
the file system until the ‘Trashcan’ is emptied. If you are interested
in deleting a file irreversibly, see the <command>remove</command> command.</para>
<para>Inspecting and emptying the ‘Trashcan’ is normally supported by
graphical file managers such as Nautilus, but you can also see the
trash with the command: <command>gio list trash://</command>.</para>
trash with the command: <command>gio trash --list</command> or
<command>gio list trash://</command>.</para>
<refsect3>
<title>Options</title>
<variablelist>
@ -704,6 +705,12 @@
<term><option>--list</option></term>
<listitem><para>List files in the trash with their original locations</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--restore</option></term>
<listitem><para>Restore a file from trash to its original location. A URI beginning
with <literal>trash://</literal> is expected here. If the original
directory doesn't exist, it will be recreated.</para></listitem>
</varlistentry>
</variablelist>
</refsect3>
</listitem>

90
gio/gio-tool-trash.c
View File

@ -27,11 +27,14 @@
static gboolean force = FALSE;
static gboolean empty = FALSE;
static gboolean restore = FALSE;
static gboolean list = FALSE;
static const GOptionEntry entries[] = {
{ "force", 'f', 0, G_OPTION_ARG_NONE, &force, N_("Ignore nonexistent files, never prompt"), NULL },
{ "empty", 0, 0, G_OPTION_ARG_NONE, &empty, N_("Empty the trash"), NULL },
{ "list", 0, 0, G_OPTION_ARG_NONE, &list, N_("List files in the trash with their original locations"), NULL },
{ "restore", 0, 0, G_OPTION_ARG_NONE, &restore, N_("Restore a file from trash to its original location (possibly "
"recreating the directory)"), NULL },
{ NULL }
};
@ -77,6 +80,71 @@ delete_trash_file (GFile *file, gboolean del_file, gboolean del_children)
g_file_delete (file, NULL, NULL);
}
static gboolean
restore_trash (GFile *file,
gboolean force,
GCancellable *cancellable,
GError **error)
{
GFileInfo *info = NULL;
GFile *target = NULL;
GFile *dir_target = NULL;
gboolean ret = FALSE;
gchar *orig_path = NULL;
GError *local_error = NULL;
info = g_file_query_info (file, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH, G_FILE_QUERY_INFO_NONE, cancellable, &local_error);
if (local_error)
{
g_propagate_error (error, local_error);
goto exit_func;
}
orig_path = g_file_info_get_attribute_as_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
if (!orig_path)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, _("Unable to find original path"));
goto exit_func;
}
target = g_file_new_for_commandline_arg (orig_path);
g_free (orig_path);
dir_target = g_file_get_parent (target);
if (dir_target)
{
g_file_make_directory_with_parents (dir_target, cancellable, &local_error);
if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_EXISTS))
{
g_clear_error (&local_error);
}
else if (local_error != NULL)
{
g_propagate_prefixed_error (error, local_error, _("Unable to recreate original location: "));
goto exit_func;
}
}
if (!g_file_move (file,
target,
force ? G_FILE_COPY_OVERWRITE : G_FILE_COPY_NONE,
cancellable,
NULL,
NULL,
&local_error))
{
g_propagate_prefixed_error (error, local_error, _("Unable to move file to its original location: "));
goto exit_func;
}
ret = TRUE;
exit_func:
g_clear_object (&target);
g_clear_object (&dir_target);
g_clear_object (&info);
return ret;
}
static gboolean
trash_list (GFile *file,
GCancellable *cancellable,
@ -154,7 +222,10 @@ handle_trash (int argc, char *argv[], gboolean do_help)
g_free (param);
g_option_context_set_help_enabled (context, FALSE);
g_option_context_set_summary (context,
_("Move files or directories to the trash."));
_("Move/Restore files or directories to the trash."));
g_option_context_set_description (context,
_("Note: for --restore switch, if the original location of the trashed file \n"
"already exists, it will not be overwritten unless --force is set."));
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
if (do_help)
@ -180,7 +251,20 @@ handle_trash (int argc, char *argv[], gboolean do_help)
{
file = g_file_new_for_commandline_arg (argv[i]);
error = NULL;
if (!g_file_trash (file, NULL, &error))
if (restore)
{
if (!g_file_has_uri_scheme (file, "trash"))
{
print_file_error (file, _("Location given doesn't start with trash:///"));
retval = 1;
}
else if (!restore_trash (file, force, NULL, &error))
{
print_file_error (file, error->message);
retval = 1;
}
}
else if (!g_file_trash (file, NULL, &error))
{
if (!force ||
!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
@ -188,8 +272,8 @@ handle_trash (int argc, char *argv[], gboolean do_help)
print_file_error (file, error->message);
retval = 1;
}
g_error_free (error);
}
g_clear_error (&error);
g_object_unref (file);
}
}