Rewrite update algorithm.

[chaz/tar] / src / update.c

diff --git a/src/update.c b/src/update.c
index fa161935aee190e20a34b29d4e9d9dd0c54f6a56..0f5dadf71e49b5616b985981ccb79b88fd0c40bb 100644 (file)
--- a/src/update.c
+++ b/src/update.c
@@ -137,13 +137,35 @@ update_archive (void)
 
                chdir_do (name->change_dir);
                if (deref_stat (dereference_option,
-                               current_stat_info.file_name, &s) == 0
-                   && (tar_timespec_cmp (get_stat_mtime (&s),
-                                         current_stat_info.mtime)
-                       <= 0))
-                 add_avoided_name (current_stat_info.file_name);
+                               current_stat_info.file_name, &s) == 0)
+                 {
+                   if (S_ISDIR (s.st_mode))
+                     {
+                       char *p, *dirp;
+                       dirp = savedir (name->name);
+                       if (!dirp)
+                         savedir_error (name->name);
+                       else
+                         {
+                           namebuf_t nbuf = namebuf_create (name->name);
+                           
+                           for (p = dirp; *p; p += strlen (p) + 1)
+                             addname (namebuf_name (nbuf, p),
+                                      0, false, NULL);
+                           
+                           namebuf_free (nbuf);
+                           free (dirp);
+                           
+                           remname (name);
+                         }
+                     }
+                   else if (tar_timespec_cmp (get_stat_mtime (&s),
+                                              current_stat_info.mtime)
+                            <= 0)
+                     remname (name);
+                 }
              }
-
+           
            skip_member ();
            break;
          }
@@ -189,10 +211,10 @@ update_archive (void)
   output_start = current_block->buffer;
 
   {
-    char *file_name;
-
-    while ((file_name = name_from_list ()) != NULL)
+    struct name const *p;
+    while ((p = name_from_list ()) != NULL)
       {
+       char *file_name = p->name;
        if (excluded_name (file_name))
          continue;
        if (interactive_option && !confirm ("add", file_name))