static char empty_sum[MD4_SUM_LENGTH];
static unsigned int file_struct_len;
static struct file_list *received_flist;
+static dev_t filesystem_dev; /* used to implement -x */
+static int deletion_count = 0; /* used to implement --max-delete */
static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
static void output_flist(struct file_list *flist, const char *whose_list);
return 0;
}
-/* used by the one_file_system code */
-static dev_t filesystem_dev;
-
-static void set_filesystem(char *fname)
-{
- STRUCT_STAT st;
- if (do_stat(fname, &st) != 0)
- return;
- filesystem_dev = st.st_dev;
-}
-
-
static int to_wire_mode(mode_t mode)
{
#if SUPPORT_LINKS
/* This function is normally called by the sender, but the receiving side
* also uses it to construct one or more file lists if one of the --delete
- * options have been specified. The delete_in_dir() function sets f to -1
+ * options have been specified. The delete_files() function sets f to -1
* so that we just construct the file list in memory without sending it
* over the wire. It also has the side-effect of ignoring user-excludes if
* delete_excluded is set (so that the delete list includes user-excluded
- * files) and it avoids some per-arg init code for limited recursion (since
- * delete_in_dir() sets recurse before calling this function). */
+ * files). */
struct file_list *send_file_list(int f, int argc, char *argv[])
{
int l;
fname[l] = '\0';
}
}
- if (f == -1)
- ; /* recurse is pre-set */
- else if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) {
+ if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) {
if (!recurse && xfer_dirs)
recurse = 1; /* allow one level */
} else if (recurse > 0)
}
if (one_file_system)
- set_filesystem(fname);
+ filesystem_dev = st.st_dev;
do_subdirs = recurse >= 1 ? recurse-- : recurse;
send_file_name(f, flist, fname, do_subdirs, XMIT_DEL_START);
}
-/* Like f_name_to(), but we rotate through 5 static buffers of our own.
- */
+/* Like f_name_to(), but we rotate through 5 static buffers of our own. */
char *f_name(struct file_struct *f)
{
static char names[5][MAXPATHLEN];
return f_name_to(f, names[n]);
}
+
static int is_backup_file(char *fn)
{
int k = strlen(fn) - backup_suffix_len;
return k > 0 && strcmp(fn+k, backup_suffix) == 0;
}
+
+/* This function is used to implement --delete-during. */
void delete_in_dir(struct file_list *flist, char *fname)
{
- static int deletion_count = 0;
- struct file_list *del_flist;
+ struct file_list *dir_list;
+ STRUCT_STAT st;
int save_recurse = recurse;
- int save_xfer_dirs = xfer_dirs;
- int save_implied_dirs = implied_dirs;
- int save_relative_paths = relative_paths;
- char *argv[1];
- int i, j, mode;
if (max_delete && deletion_count >= max_delete)
return;
return;
}
- if (delete_during) {
- recurse = 1; /* allow one level only */
- xfer_dirs = 1;
- implied_dirs = 0;
- relative_paths = 1;
- }
+ if (link_stat(fname, &st, keep_dirlinks) < 0)
+ return;
- argv[0] = fname;
- del_flist = send_file_list(-1, 1, argv);
+ if (one_file_system)
+ filesystem_dev = st.st_dev;
- relative_paths = save_relative_paths;
- implied_dirs = save_implied_dirs;
- xfer_dirs = save_xfer_dirs;
+ dir_list = flist_new(WITHOUT_HLINK, "delete_in_dir");
+ recurse = 1; /* allow only one level */
+ send_file_name(-1, dir_list, fname, 1, XMIT_DEL_START);
recurse = save_recurse;
+ clean_flist(dir_list, 0, 0);
+
+ if (verbose > 3)
+ output_flist(dir_list, "delete");
+
+ delete_missing(flist, dir_list, fname);
+
+ flist_free(dir_list);
+}
+
- if (!del_flist)
+/* If an item in dir_list is not found in full_list, delete it from the
+ * filesystem. */
+void delete_missing(struct file_list *full_list, struct file_list *dir_list,
+ const char *dirname)
+{
+ int i, j, mode;
+
+ if (max_delete && deletion_count >= max_delete)
return;
if (verbose > 1)
- rprintf(FINFO, "deleting in %s\n", safe_fname(fname));
+ rprintf(FINFO, "deleting in %s\n", safe_fname(dirname));
- for (i = del_flist->count-1; i >= 0; i--) {
- if (max_delete && deletion_count >= max_delete)
- break;
- if (!del_flist->files[i]->basename)
+ for (i = dir_list->count-1; i >= 0; i--) {
+ if (!dir_list->files[i]->basename)
continue;
- mode = del_flist->files[i]->mode;
- if ((j = flist_find(flist, del_flist->files[i])) < 0
+ mode = dir_list->files[i]->mode;
+ if ((j = flist_find(full_list, dir_list->files[i])) < 0
|| (delete_during && S_ISDIR(mode)
- && !S_ISDIR(flist->files[j]->mode))) {
- char *f = f_name(del_flist->files[i]);
+ && !S_ISDIR(full_list->files[j]->mode))) {
+ char *f = f_name(dir_list->files[i]);
if (make_backups && (backup_dir || !is_backup_file(f))
&& !S_ISDIR(mode)) {
make_backup(f);
delete_file(f, S_ISDIR(mode) ? dflags : 0);
}
deletion_count++;
+ if (max_delete && deletion_count >= max_delete)
+ break;
}
}
- flist_free(del_flist);
}