Don't try to allocate zero bytes in push_local_excludes().

[rsync/rsync.git] / options.c

diff --git a/options.c b/options.c
index abc3510..c9a4608 100644 (file)
--- a/options.c
+++ b/options.c
@@ -55,6 +55,7 @@ int dry_run = 0;
 int local_server = 0;
 int ignore_times = 0;
 int delete_mode = 0;
+int delete_during = 0;
 int delete_before = 0;
 int delete_after = 0;
 int delete_excluded = 0;
@@ -147,6 +148,7 @@ int list_only = 0;
 char *batch_name = NULL;
 
 static int daemon_opt;   /* sets am_daemon after option error-reporting */
+static int F_option_cnt = 0;
 static int modify_window_set;
 static char *dest_option = NULL;
 static char *max_size_arg;
@@ -276,7 +278,8 @@ void usage(enum logcode F)
   rprintf(F,"     --existing              only update files that already exist\n");
   rprintf(F,"     --ignore-existing       ignore files that already exist on receiving side\n");
   rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
-  rprintf(F,"     --delete-after          receiver deletes after transferring, not before\n");
+  rprintf(F,"     --delete-before         receiver deletes before transfer, not during\n");
+  rprintf(F,"     --delete-after          receiver deletes after transfer, not during\n");
   rprintf(F,"     --delete-excluded       also delete excluded files on the receiving side\n");
   rprintf(F,"     --ignore-errors         delete even if there are I/O errors\n");
   rprintf(F,"     --force                 force deletion of directories even if not empty\n");
@@ -296,6 +299,9 @@ void usage(enum logcode F)
   rprintf(F," -P                          equivalent to --partial --progress\n");
   rprintf(F," -z, --compress              compress file data\n");
   rprintf(F," -C, --cvs-exclude           auto ignore files in the same way CVS does\n");
+  rprintf(F," -f, --filter=RULE           add a file-filtering RULE\n");
+  rprintf(F," -F                          same as --filter=': /.rsync-filter'\n");
+  rprintf(F,"                             repeated: --filter='- .rsync-filter'\n");
   rprintf(F,"     --exclude=PATTERN       exclude files matching PATTERN\n");
   rprintf(F,"     --exclude-from=FILE     exclude patterns listed in FILE\n");
   rprintf(F,"     --include=PATTERN       don't exclude files matching PATTERN\n");
@@ -326,7 +332,7 @@ void usage(enum logcode F)
 }
 
 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
-      OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
+      OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
       OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
       OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT, OPT_MAX_SIZE,
       OPT_REFUSED_BASE = 9000};
@@ -343,11 +349,13 @@ static struct poptOption long_options[] = {
   {"one-file-system", 'x', POPT_ARG_NONE,   &one_file_system, 0, 0, 0 },
   {"existing",         0,  POPT_ARG_NONE,   &only_existing, 0, 0, 0 },
   {"ignore-existing",  0,  POPT_ARG_NONE,   &opt_ignore_existing, 0, 0, 0 },
-  {"delete",           0,  POPT_ARG_NONE,   &delete_before, 0, 0, 0 },
+  {"delete",           0,  POPT_ARG_NONE,   &delete_during, 0, 0, 0 },
+  {"delete-before",    0,  POPT_ARG_NONE,   &delete_before, 0, 0, 0 },
   {"delete-after",     0,  POPT_ARG_NONE,   &delete_after, 0, 0, 0 },
   {"delete-excluded",  0,  POPT_ARG_NONE,   &delete_excluded, 0, 0, 0 },
   {"force",            0,  POPT_ARG_NONE,   &force_delete, 0, 0, 0 },
   {"numeric-ids",      0,  POPT_ARG_NONE,   &numeric_ids, 0, 0, 0 },
+  {"filter",          'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
   {"exclude",          0,  POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
   {"include",          0,  POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
   {"exclude-from",     0,  POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
@@ -401,6 +409,7 @@ static struct poptOption long_options[] = {
   {"ignore-errors",    0,  POPT_ARG_NONE,   &ignore_errors, 0, 0, 0 },
   {"blocking-io",      0,  POPT_ARG_VAL,    &blocking_io, 1, 0, 0 },
   {"no-blocking-io",   0,  POPT_ARG_VAL,    &blocking_io, 0, 0, 0 },
+  {0,                 'F', POPT_ARG_NONE,   0, 'F', 0, 0 },
   {0,                 'P', POPT_ARG_NONE,   0, 'P', 0, 0 },
   {"port",             0,  POPT_ARG_INT,    &rsync_port, 0, 0, 0 },
   {"log-format",       0,  POPT_ARG_STRING, &log_format, 0, 0, 0 },
@@ -622,10 +631,15 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        modify_window_set = 1;
                        break;
 
-               case OPT_EXCLUDE:
+               case OPT_FILTER:
                        add_exclude(&exclude_list, poptGetOptArg(pc), 0);
                        break;
 
+               case OPT_EXCLUDE:
+                       add_exclude(&exclude_list, poptGetOptArg(pc),
+                                   XFLG_DEF_EXCLUDE);
+                       break;
+
                case OPT_INCLUDE:
                        add_exclude(&exclude_list, poptGetOptArg(pc),
                                    XFLG_DEF_INCLUDE);
@@ -643,8 +657,8 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                                        goto options_rejected;
                        }
                        add_exclude_file(&exclude_list, arg, XFLG_FATAL_ERRORS
-                                        | (opt == OPT_INCLUDE_FROM
-                                         ? XFLG_DEF_INCLUDE : 0));
+                               | (opt == OPT_INCLUDE_FROM ? XFLG_DEF_INCLUDE
+                                                          : XFLG_DEF_EXCLUDE));
                        break;
 
                case 'h':
@@ -668,6 +682,19 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        am_sender = 1;
                        break;
 
+               case 'F':
+                       switch (++F_option_cnt) {
+                       case 1:
+                               add_exclude(&exclude_list,
+                                           ": /.rsync-filter", 0);
+                               break;
+                       case 2:
+                               add_exclude(&exclude_list,
+                                           "- .rsync-filter", 0);
+                               break;
+                       }
+                       break;
+
                case 'P':
                        do_progress = 1;
                        keep_partial = 1;
@@ -857,10 +884,10 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
        if (relative_paths < 0)
                relative_paths = files_from? 1 : 0;
 
-       if (delete_before || delete_after)
+       if (delete_during || delete_before || delete_after)
                delete_mode = 1;
        if (delete_excluded && !delete_mode)
-               delete_mode = delete_before = 1;
+               delete_mode = delete_during = 1;
 
        *argv = poptGetArgs(pc);
        *argc = count_args(*argv);
@@ -974,7 +1001,7 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                                partial_dir = NULL;
                        else if (*partial_dir != '/') {
                                add_exclude(&exclude_list, partial_dir,
-                                           XFLG_DIRECTORY);
+                                           XFLG_DIRECTORY | XFLG_DEF_EXCLUDE);
                        }
                        keep_partial = 1;
                }
@@ -1165,7 +1192,9 @@ void server_options(char **args,int *argc)
        if (am_sender) {
                if (delete_excluded)
                        args[ac++] = "--delete-excluded";
-               else if (delete_before || delete_after)
+               else if (delete_before)
+                       args[ac++] = "--delete-before";
+               else if (delete_during || delete_after)
                        args[ac++] = "--delete";
 
                if (delete_after)