New variable exclude_caches_option.

[chaz/tar] / src / incremen.c

diff --git a/src/incremen.c b/src/incremen.c
index 5e853f6bf658b74611ada2aab92dc2f5c5a674aa..9a2de4669422dcd2b8bc8f2f46d02ad0d96c1803 100644 (file)
--- a/src/incremen.c
+++ b/src/incremen.c
@@ -17,7 +17,7 @@
    with this program; if not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#include "system.h"
+#include <system.h>
 #include <getline.h>
 #include <hash.h>
 #include <quotearg.h>
@@ -460,10 +460,9 @@ write_directory_file (void)
 /* Restoration of incremental dumps.  */
 
 /* Examine the directories under directory_name and delete any
-   files that were not there at the time of the back-up.
-   FIXME: The function name is obviously a misnomer */
+   files that were not there at the time of the back-up. */
 void
-gnu_restore (char const *directory_name)
+purge_directory (char const *directory_name)
 {
   char *archive_dir;
   char *current_dir;
@@ -516,13 +515,30 @@ gnu_restore (char const *directory_name)
        }
       if (*arc == '\0')
        {
+         struct stat st;
          char *p = new_name (directory_name, cur);
+
+         if (deref_stat (true, p, &st))
+           {
+             stat_diag (p);
+             WARN((0, 0, _("%s: Not purging directory: unable to stat"),
+                   quotearg_colon (p)));
+             continue; 
+           }
+         else if (one_file_system_option && st.st_dev != root_device)
+           {
+             WARN((0, 0,
+                   _("%s: directory is on a different device: not purging"),
+                   quotearg_colon (p)));
+             continue;
+           }
+           
          if (! interactive_option || confirm ("delete", p))
            {
              if (verbose_option)
                fprintf (stdlis, _("%s: Deleting %s\n"),
                         program_name, quote (p));
-             if (! remove_any_file (p, 1))
+             if (! remove_any_file (p, RECURSIVE_REMOVE_OPTION))
                {
                  int e = errno;
                  ERROR ((0, e, _("%s: Cannot remove"), quotearg_colon (p)));