Better error messages
[rsync/rsync.git] / options.c
index 7bfe692..4176b32 100644 (file)
--- a/options.c
+++ b/options.c
@@ -62,6 +62,17 @@ int safe_symlinks=0;
 int copy_unsafe_links=0;
 int block_size=BLOCK_SIZE;
 int size_only=0;
+int bwlimit=0;
+int delete_after=0;
+int only_existing=0;
+int max_delete=0;
+int ignore_errors=0;
+#ifdef _WIN32
+int modify_window=2;
+#else
+int modify_window=0;
+#endif
+int blocking_io=0;
 
 char *backup_suffix = BACKUP_SUFFIX;
 char *tmpdir = NULL;
@@ -71,6 +82,7 @@ char *shell_cmd = NULL;
 char *log_format = NULL;
 char *password_file = NULL;
 char *rsync_path = RSYNC_NAME;
+char *backup_dir = NULL;
 int rsync_port = RSYNC_PORT;
 
 int verbose = 0;
@@ -78,7 +90,12 @@ int quiet = 0;
 int always_checksum = 0;
 int list_only = 0;
 
-void usage(int F)
+static int modify_window_set;
+
+
+struct in_addr socket_address = {INADDR_ANY};
+
+void usage(enum logcode F)
 {
   rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
          VERSION);
@@ -102,6 +119,7 @@ void usage(int F)
   rprintf(F," -r, --recursive             recurse into directories\n");
   rprintf(F," -R, --relative              use relative path names\n");
   rprintf(F," -b, --backup                make backups (default %s suffix)\n",BACKUP_SUFFIX);
+  rprintf(F,"     --backup-dir            make backups into this directory\n");
   rprintf(F,"     --suffix=SUFFIX         override backup suffix\n");  
   rprintf(F," -u, --update                update only (don't overwrite newer files)\n");
   rprintf(F," -l, --links                 preserve soft links\n");
@@ -122,14 +140,19 @@ void usage(int F)
   rprintf(F," -e, --rsh=COMMAND           specify rsh replacement\n");
   rprintf(F,"     --rsync-path=PATH       specify path to rsync on the remote machine\n");
   rprintf(F," -C, --cvs-exclude           auto ignore files in the same way CVS does\n");
+  rprintf(F,"     --existing              only update files that already exist\n");
   rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
   rprintf(F,"     --delete-excluded       also delete excluded files on the receiving side\n");
+  rprintf(F,"     --delete-after          delete after transferring, not before\n");
+  rprintf(F,"     --ignore-errors         delete even if there are IO errors\n");
+  rprintf(F,"     --max-delete=NUM        don't delete more than NUM files\n");
   rprintf(F,"     --partial               keep partially transferred files\n");
   rprintf(F,"     --force                 force deletion of directories even if not empty\n");
   rprintf(F,"     --numeric-ids           don't map uid/gid values by user/group name\n");
   rprintf(F,"     --timeout=TIME          set IO timeout in seconds\n");
   rprintf(F," -I, --ignore-times          don't exclude files that match length and time\n");
   rprintf(F,"     --size-only             only use file size when determining if a file should be transferred\n");
+  rprintf(F,"     --modify-window=NUM     Timestamp window (seconds) for file match (default=%d)\n",modify_window);
   rprintf(F," -T  --temp-dir=DIR          create temporary files in directory DIR\n");
   rprintf(F,"     --compare-dest=DIR      also compare destination files relative to DIR\n");
   rprintf(F," -P                          equivalent to --partial --progress\n");
@@ -140,12 +163,15 @@ void usage(int F)
   rprintf(F,"     --include-from=FILE     don't exclude patterns listed in FILE\n");
   rprintf(F,"     --version               print version number\n");  
   rprintf(F,"     --daemon                run as a rsync daemon\n");  
+  rprintf(F,"     --address               bind to the specified address\n");  
   rprintf(F,"     --config=FILE           specify alternate rsyncd.conf file\n");  
   rprintf(F,"     --port=PORT             specify alternate rsyncd port number\n");
+  rprintf(F,"     --blocking-io           use blocking IO for the remote shell\n");  
   rprintf(F,"     --stats                 give some file transfer stats\n");  
   rprintf(F,"     --progress              show progress during transfer\n");  
   rprintf(F,"     --log-format=FORMAT     log file transfers using specified format\n");  
   rprintf(F,"     --password-file=FILE    get password from FILE\n");
+  rprintf(F,"     --bwlimit=KBPS          limit I/O bandwidth, KBytes per second\n");
   rprintf(F," -h, --help                  show this help screen\n");
 
   rprintf(F,"\n");
@@ -159,7 +185,10 @@ enum {OPT_VERSION, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
       OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
       OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
       OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
-      OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY};
+      OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
+      OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR, 
+      OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
+      OPT_MODIFY_WINDOW};
 
 static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:zP";
 
@@ -167,6 +196,7 @@ static struct option long_options[] = {
   {"version",     0,     0,    OPT_VERSION},
   {"server",      0,     0,    OPT_SERVER},
   {"sender",      0,     0,    OPT_SENDER},
+  {"existing",    0,     0,    OPT_EXISTING},
   {"delete",      0,     0,    OPT_DELETE},
   {"delete-excluded", 0, 0,    OPT_DELETE_EXCLUDED},
   {"force",       0,     0,    OPT_FORCE},
@@ -180,6 +210,7 @@ static struct option long_options[] = {
   {"one-file-system",0,  0,    'x'},
   {"ignore-times",0,     0,    'I'},
   {"size-only",   0,     0,    OPT_SIZE_ONLY},
+  {"modify-window",1,    0,    OPT_MODIFY_WINDOW},
   {"help",        0,     0,    'h'},
   {"dry-run",     0,     0,    'n'},
   {"sparse",      0,     0,    'S'},
@@ -214,9 +245,16 @@ static struct option long_options[] = {
   {"stats",       0,     0,    OPT_STATS},
   {"progress",    0,     0,    OPT_PROGRESS},
   {"partial",     0,     0,    OPT_PARTIAL},
+  {"delete-after",0,     0,    OPT_DELETE_AFTER},
+  {"ignore-errors",0,     0,   OPT_IGNORE_ERRORS},
+  {"blocking-io" ,0,     0,    OPT_BLOCKING_IO},
   {"config",      1,     0,    OPT_CONFIG},
   {"port",        1,     0,    OPT_PORT},
   {"log-format",  1,     0,    OPT_LOG_FORMAT},
+  {"bwlimit",    1,     0,    OPT_BWLIMIT},
+  {"address",     1,     0,    OPT_ADDRESS},
+  {"max-delete",  1,     0,    OPT_MAX_DELETE},
+  {"backup-dir",  1,     0,    OPT_BACKUP_DIR},
   {0,0,0,0}};
 
 
@@ -304,6 +342,11 @@ int parse_arguments(int argc, char *argv[], int frommain)
                        size_only = 1;
                        break;
 
+               case OPT_MODIFY_WINDOW:
+                       modify_window = atoi(optarg);
+                       modify_window_set = 1;
+                       break;
+                       
                case 'x':
                        one_file_system=1;
                        break;
@@ -312,6 +355,14 @@ int parse_arguments(int argc, char *argv[], int frommain)
                        delete_mode = 1;
                        break;
 
+               case OPT_EXISTING:
+                       only_existing = 1;
+                       break;
+
+               case OPT_DELETE_AFTER:
+                       delete_after = 1;
+                       break;
+
                case OPT_DELETE_EXCLUDED:
                        delete_excluded = 1;
                        delete_mode = 1;
@@ -435,10 +486,8 @@ int parse_arguments(int argc, char *argv[], int frommain)
                        preserve_perms=1;
                        preserve_times=1;
                        preserve_gid=1;
-                       if (am_root) {
-                               preserve_devices=1;
-                               preserve_uid=1;
-                       }
+                       preserve_uid=1;
+                       preserve_devices=1;
                        break;
 
                case OPT_SERVER:
@@ -469,6 +518,10 @@ int parse_arguments(int argc, char *argv[], int frommain)
                        block_size = atoi(optarg);
                        break;
 
+               case OPT_MAX_DELETE:
+                       max_delete = atoi(optarg);
+                       break;
+
                case OPT_TIMEOUT:
                        io_timeout = atoi(optarg);
                        break;
@@ -501,6 +554,14 @@ int parse_arguments(int argc, char *argv[], int frommain)
                        keep_partial = 1;
                        break;
 
+               case OPT_IGNORE_ERRORS:
+                       ignore_errors = 1;
+                       break;
+
+               case OPT_BLOCKING_IO:
+                       blocking_io = 1;
+                       break;
+
                case 'P':
                        do_progress = 1;
                        keep_partial = 1;
@@ -517,6 +578,23 @@ int parse_arguments(int argc, char *argv[], int frommain)
                case OPT_LOG_FORMAT:
                        log_format = optarg;
                        break;
+       
+               case OPT_BWLIMIT:
+                       bwlimit = atoi(optarg);
+                       break;
+
+               case OPT_ADDRESS:
+                       {
+                               struct in_addr *ia;
+                               if ((ia = ip_address(optarg))) {
+                                       socket_address = *ia;
+                               }
+                       }
+                       break;
+
+               case OPT_BACKUP_DIR:
+                       backup_dir = optarg;
+                       break;
 
                default:
                        slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
@@ -527,12 +605,18 @@ int parse_arguments(int argc, char *argv[], int frommain)
 }
 
 
+/* need to pass all the valid options from the client to the server */
+
 void server_options(char **args,int *argc)
 {
        int ac = *argc;
        static char argstr[50];
        static char bsize[30];
        static char iotime[30];
+       static char mdelete[30];
+       static char mwindow[30];
+       static char bw[50];
+
        int i, x;
 
        args[ac++] = "--server";
@@ -544,6 +628,7 @@ void server_options(char **args,int *argc)
        argstr[0] = '-';
        for (i=0;i<verbose;i++)
                argstr[x++] = 'v';
+
        /* the -q option is intentionally left out */
        if (make_backups)
                argstr[x++] = 'b';
@@ -585,20 +670,38 @@ void server_options(char **args,int *argc)
                argstr[x++] = 'S';
        if (do_compression)
                argstr[x++] = 'z';
+
+       /* this is a complete hack - blame Rusty 
+
+          this is a hack to make the list_only (remote file list)
+          more useful */
+       if (list_only && !recurse) 
+               argstr[x++] = 'r';
+
        argstr[x] = 0;
 
        if (x != 1) args[ac++] = argstr;
 
        if (block_size != BLOCK_SIZE) {
-               sprintf(bsize,"-B%d",block_size);
+               slprintf(bsize,sizeof(bsize),"-B%d",block_size);
                args[ac++] = bsize;
        }    
 
+       if (max_delete && am_sender) {
+               slprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
+               args[ac++] = mdelete;
+       }    
+
        if (io_timeout) {
-               sprintf(iotime,"--timeout=%d",io_timeout);
+               slprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
                args[ac++] = iotime;
        }    
 
+       if (bwlimit) {
+               slprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
+               args[ac++] = bw;
+       }
+
        if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
                args[ac++] = "--suffix";
                args[ac++] = backup_suffix;
@@ -613,12 +716,24 @@ void server_options(char **args,int *argc)
        if (size_only)
                args[ac++] = "--size-only";
 
+       if (modify_window_set) {
+               slprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
+                        modify_window);
+               args[ac++] = mwindow;
+       }
+
        if (keep_partial)
                args[ac++] = "--partial";
 
        if (force_delete)
                args[ac++] = "--force";
 
+       if (delete_after)
+               args[ac++] = "--delete-after";
+
+       if (ignore_errors)
+               args[ac++] = "--ignore-errors";
+
        if (copy_unsafe_links)
                args[ac++] = "--copy-unsafe-links";
 
@@ -628,11 +743,22 @@ void server_options(char **args,int *argc)
        if (numeric_ids)
                args[ac++] = "--numeric-ids";
 
+       if (only_existing && am_sender)
+               args[ac++] = "--existing";
+
        if (tmpdir) {
                args[ac++] = "--temp-dir";
                args[ac++] = tmpdir;
        }
 
+       if (backup_dir && am_sender) {
+               /* only the receiver needs this option, if we are the sender
+                *   then we need to send it to the receiver.
+                */
+               args[ac++] = "--backup-dir";
+               args[ac++] = backup_dir;
+       }
+
        if (compare_dest && am_sender) {
                /* the server only needs this option if it is not the sender,
                 *   and it may be an older version that doesn't know this