[file-roller] Cannot delete files from password protected 7zip archives

[Paolo Bacchilega <paobac src gnome org>]

commit 0bb26ee4223cdcbca9aa0816c81069b74f15c2f7
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Feb 15 17:48:23 2015 +0100

     Cannot delete files from password protected 7zip archives
    
     [bug #618909]

 src/fr-command-7z.c |    6 +-----
 src/fr-command.c    |    4 ++++
 src/fr-window.c     |   26 +++++++++++++++++++++++++-
 src/fr-window.h     |    1 +
 4 files changed, 31 insertions(+), 6 deletions(-)
---
diff --git a/src/fr-command-7z.c b/src/fr-command-7z.c
index 809717f..e6e8258 100644
--- a/src/fr-command-7z.c
+++ b/src/fr-command-7z.c
@@ -424,11 +424,7 @@ fr_command_7z_delete (FrCommand  *command,
                        if (g_str_has_prefix (scan->data, "@"))
                                fr_process_add_arg_concat (command->process, "-i!", scan->data, NULL);
 
-       if (archive->encrypt_header
-           && fr_archive_is_capable_of (archive, FR_ARCHIVE_CAN_ENCRYPT_HEADER))
-       {
-               add_password_arg (command, FR_ARCHIVE (command)->password, FALSE);
-       }
+       add_password_arg (command, FR_ARCHIVE (command)->password, FALSE);
 
        fr_process_add_arg (command->process, "--");
        fr_process_add_arg (command->process, command->filename);
diff --git a/src/fr-command.c b/src/fr-command.c
index 69436de..f4d0af6 100644
--- a/src/fr-command.c
+++ b/src/fr-command.c
@@ -632,6 +632,10 @@ _fr_command_load_complete (XferData *xfer_data,
                 * original name */
                if (archive->multi_volume)
                        fr_archive_change_name (archive, FR_COMMAND (archive)->filename);
+
+               /* the header is encrypted if the load is successful and the password is not void */
+               archive->encrypt_header = (xfer_data->password != NULL) && (*xfer_data->password != '\0');
+
                fr_archive_update_capabilities (archive);
        }
        else
diff --git a/src/fr-window.c b/src/fr-window.c
index d23cf11..323268b 100644
--- a/src/fr-window.c
+++ b/src/fr-window.c
@@ -6213,6 +6213,9 @@ fr_window_archive_add_dropped_items (FrWindow *window,
 }
 
 
+/* -- fr_window_archive_remove -- */
+
+
 static void
 archive_remove_ready_cb (GObject      *source_object,
                         GAsyncResult *result,
@@ -6232,10 +6235,26 @@ void
 fr_window_archive_remove (FrWindow *window,
                          GList    *file_list)
 {
+       GList *new_file_list;
+
+       new_file_list = _g_string_list_dup (file_list);
+       fr_window_set_current_batch_action (window,
+                                           FR_BATCH_ACTION_REMOVE,
+                                           new_file_list,
+                                           (GFreeFunc) _g_string_list_free);
+
        _archive_operation_started (window, FR_ACTION_DELETING_FILES);
+
+       g_object_set (window->archive,
+                     "compression", window->priv->compression,
+                     "encrypt-header", window->priv->encrypt_header,
+                     "password", window->priv->password,
+                     "volume-size", window->priv->volume_size,
+                     NULL);
+
        fr_window_clipboard_remove_file_list (window, file_list);
        fr_archive_remove (window->archive,
-                          file_list,
+                          new_file_list,
                           window->priv->compression,
                           window->priv->cancellable,
                           archive_remove_ready_cb,
@@ -9175,6 +9194,11 @@ fr_window_exec_batch_action (FrWindow      *window,
                fr_window_archive_add_dropped_items (window, (GList *) action->data);
                break;
 
+       case FR_BATCH_ACTION_REMOVE:
+               debug (DEBUG_INFO, "[BATCH] REMOVE\n");
+               fr_window_archive_remove (window, (GList *) action->data);
+               break;
+
        case FR_BATCH_ACTION_OPEN:
                debug (DEBUG_INFO, "[BATCH] OPEN\n");
 
diff --git a/src/fr-window.h b/src/fr-window.h
index 0aabaf6..13a48a4 100644
--- a/src/fr-window.h
+++ b/src/fr-window.h
@@ -54,6 +54,7 @@ typedef enum {
        FR_BATCH_ACTION_LOAD,
        FR_BATCH_ACTION_OPEN,
        FR_BATCH_ACTION_ADD,
+       FR_BATCH_ACTION_REMOVE,
        FR_BATCH_ACTION_EXTRACT,
        FR_BATCH_ACTION_EXTRACT_HERE,
        FR_BATCH_ACTION_EXTRACT_INTERACT,