[eog: 1/2] Allow writing files of which write attribute is unset (#209)

[Felix Riemann <friemann src gnome org>]

commit aae47c82e0f6d55a72c16f84a11e006c7c82bafa
Author: wvengen <gnome willem engen nl>
Date:   Wed Sep 22 10:09:53 2021 +0200

    Allow writing files of which write attribute is unset (#209)

 src/eog-image.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/src/eog-image.c b/src/eog-image.c
index 8cec597c..c10dc40e 100644
--- a/src/eog-image.c
+++ b/src/eog-image.c
@@ -1789,7 +1789,7 @@ check_if_file_is_writable (GFile *file)
        GFile           *file_to_check;
        GFileInfo       *file_info;
        GError          *error = NULL;
-       gboolean         is_writable;
+       gboolean         is_writable, has_writable;
 
        g_return_val_if_fail (G_IS_FILE (file), FALSE);
 
@@ -1823,9 +1823,16 @@ check_if_file_is_writable (GFile *file)
                return FALSE;
        }
 
-       /* check if file can be writed */
-       is_writable = g_file_info_get_attribute_boolean (file_info,
-                                                        G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
+       /* check if file can be written */
+       has_writable = g_file_info_has_attribute (file_info,
+                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
+       if (has_writable) {
+               is_writable = g_file_info_get_attribute_boolean (file_info,
+                                                                G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
+       } else {
+               /* try writing the file when the writable attribute is absent */
+               is_writable = TRUE;
+       }
 
        /* free objects */
        g_object_unref (file_info);