X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8bf737494f17ca384b30db13b4bc31a5158f3646..964ca2eca52c17fa88426a423665eb9e7915142c:/main.c

diff --git a/main.c b/main.c
index 3cbf5f8a..837d3097 100644
--- a/main.c
+++ b/main.c
@@ -30,6 +30,8 @@ char *backup_suffix = BACKUP_SUFFIX;
 static char *rsync_path = RSYNC_NAME;
 
 int make_backups = 0;
+int whole_file = 0;
+int copy_links = 0;
 int preserve_links = 0;
 int preserve_hard_links = 0;
 int preserve_perms = 0;
@@ -49,6 +51,7 @@ int sparse_files=0;
 int do_compression=0;
 int am_root=0;
 int orig_umask=0;
+int relative_paths=0;
 
 extern int csum_length;
 
@@ -114,6 +117,10 @@ static void server_options(char **args,int *argc)
     argstr[x++] = 'n';
   if (preserve_links)
     argstr[x++] = 'l';
+  if (copy_links)
+    argstr[x++] = 'L';
+  if (whole_file)
+    argstr[x++] = 'W';
   if (preserve_hard_links)
     argstr[x++] = 'H';
   if (preserve_uid)
@@ -134,6 +141,8 @@ static void server_options(char **args,int *argc)
     argstr[x++] = 'C';
   if (ignore_times)
     argstr[x++] = 'I';
+  if (relative_paths)
+    argstr[x++] = 'R';
   if (one_file_system)
     argstr[x++] = 'x';
   if (sparse_files)
@@ -149,6 +158,11 @@ static void server_options(char **args,int *argc)
     args[ac++] = bsize;
   }    
 
+  if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
+	  args[ac++] = "--suffix";
+	  args[ac++] = backup_suffix;
+  }
+
   if (delete_mode)
     args[ac++] = "--delete";
 
@@ -157,11 +171,11 @@ static void server_options(char **args,int *argc)
 
 
 
-int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
+static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
 {
   char *args[100];
-  int i,argc=0;
-  char *tok,*p;
+  int i,argc=0, ret;
+  char *tok,*p,*dir=NULL;
 
   if (!local_server) {
     if (!cmd)
@@ -197,9 +211,9 @@ int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
   server_options(args,&argc);
 
   if (path && *path) {
-    char *dir = strdup(path);
+    dir = strdup(path);
     p = strrchr(dir,'/');
-    if (p) {
+    if (p && !relative_paths) {
       *p = 0;
       if (!dir[0])
 	args[argc++] = "/";
@@ -223,7 +237,10 @@ int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
     fprintf(FERROR,"\n");
   }
 
-  return piped_child(args,f_in,f_out);
+  ret = piped_child(args,f_in,f_out);
+  if (dir) free(dir);
+
+  return ret;
 
 oom:
   out_of_memory("do_cmd");
@@ -240,7 +257,7 @@ static char *get_local_name(struct file_list *flist,char *name)
   if (stat(name,&st) == 0) {
     if (S_ISDIR(st.st_mode)) {
       if (chdir(name) != 0) {
-	fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
+	fprintf(FERROR,"chdir %s : %s (1)\n",name,strerror(errno));
 	exit_cleanup(1);
       }
       return NULL;
@@ -259,14 +276,14 @@ static char *get_local_name(struct file_list *flist,char *name)
     return NULL;
 
   if (mkdir(name,0777 & ~orig_umask) != 0) {
-    fprintf(FERROR,"mkdir %s : %s\n",name,strerror(errno));
+    fprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
     exit_cleanup(1);
   } else {
     fprintf(FINFO,"created directory %s\n",name);
   }
 
   if (chdir(name) != 0) {
-    fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
+    fprintf(FERROR,"chdir %s : %s (2)\n",name,strerror(errno));
     exit_cleanup(1);
   }
 
@@ -285,8 +302,8 @@ void do_server_sender(int argc,char *argv[])
   if (verbose > 2)
     fprintf(FERROR,"server_sender starting pid=%d\n",(int)getpid());
   
-  if (chdir(dir) != 0) {
-    fprintf(FERROR,"chdir %s: %s\n",dir,strerror(errno));
+  if (!relative_paths && chdir(dir) != 0) {
+    fprintf(FERROR,"chdir %s: %s (3)\n",dir,strerror(errno));
     exit_cleanup(1);
   }
   argc--;
@@ -331,8 +348,6 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 
   if ((pid=fork()) == 0) {
     recv_files(f_in,flist,local_name,recv_pipe[1]);
-    if (preserve_hard_links)
-      do_hard_links(flist);
     if (verbose > 2)
       fprintf(FERROR,"receiver read %d\n",read_total());
     exit_cleanup(0);
@@ -361,7 +376,7 @@ void do_server_recv(int argc,char *argv[])
     argc--;
     argv++;
     if (chdir(dir) != 0) {
-      fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
+      fprintf(FERROR,"chdir %s : %s (4)\n",dir,strerror(errno));
       exit_cleanup(1);
     }    
   }
@@ -399,9 +414,11 @@ static void usage(FILE *f)
   fprintf(f,"-c, --checksum           always checksum\n");
   fprintf(f,"-a, --archive            archive mode (same as -rlptDog)\n");
   fprintf(f,"-r, --recursive          recurse into directories\n");
+  fprintf(f,"-R, --relative           use relative path names\n");
   fprintf(f,"-b, --backup             make backups (default ~ extension)\n");
   fprintf(f,"-u, --update             update only (don't overwrite newer files)\n");
   fprintf(f,"-l, --links              preserve soft links\n");
+  fprintf(f,"-L, --copy-links         treat soft links like regular files\n");
   fprintf(f,"-H, --hard-links         preserve hard links\n");
   fprintf(f,"-p, --perms              preserve permissions\n");
   fprintf(f,"-o, --owner              preserve owner (root only)\n");
@@ -410,6 +427,7 @@ static void usage(FILE *f)
   fprintf(f,"-t, --times              preserve times\n");  
   fprintf(f,"-S, --sparse             handle sparse files efficiently\n");
   fprintf(f,"-n, --dry-run            show what would have been transferred\n");
+  fprintf(f,"-W, --whole-file         copy whole files, no incremental checks\n");
   fprintf(f,"-x, --one-file-system    don't cross filesystem boundaries\n");
   fprintf(f,"-B, --block-size SIZE    checksum blocking size\n");  
   fprintf(f,"-e, --rsh COMMAND        specify rsh replacement\n");
@@ -431,7 +449,7 @@ static void usage(FILE *f)
 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
       OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH};
 
-static char *short_options = "oblHpguDCtcahvrIxnSe:B:z";
+static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:z";
 
 static struct option long_options[] = {
   {"version",     0,     0,    OPT_VERSION},
@@ -453,9 +471,12 @@ static struct option long_options[] = {
   {"update",      0,     0,    'u'},
   {"verbose",     0,     0,    'v'},
   {"recursive",   0,     0,    'r'},
+  {"relative",    0,     0,    'R'},
   {"devices",     0,     0,    'D'},
   {"perms",       0,     0,    'p'},
   {"links",       0,     0,    'l'},
+  {"copy-links",  0,     0,    'L'},
+  {"whole-file",  0,     0,    'W'},
   {"hard-links",  0,     0,    'H'},
   {"owner",       0,     0,    'o'},
   {"group",       0,     0,    'g'},
@@ -466,9 +487,13 @@ static struct option long_options[] = {
   {"compress",	  0,	 0,    'z'},
   {0,0,0,0}};
 
+RETSIGTYPE sigusr1_handler(int val) {
+	exit_cleanup(1);
+}
+
 int main(int argc,char *argv[])
 {
-    int pid, status, status2;
+    int pid, status = 0, status2 = 0;
     int opt;
     int option_index;
     char *shell_cmd = NULL;
@@ -480,6 +505,13 @@ int main(int argc,char *argv[])
     struct file_list *flist;
     char *local_name = NULL;
 
+#ifdef SETPGRP_VOID
+    setpgrp();
+#else
+    setpgrp(0,0);
+#endif
+    signal(SIGUSR1, sigusr1_handler);
+
     starttime = time(NULL);
     am_root = (getuid() == 0);
 
@@ -550,14 +582,23 @@ int main(int argc,char *argv[])
 	  break;
 
 	case 'l':
-#if SUPPORT_LINKS
 	  preserve_links=1;
-#endif
+	  break;
+
+	case 'L':
+	  copy_links=1;
+	  break;
+
+	case 'W':
+	  whole_file=1;
 	  break;
 
 	case 'H':
 #if SUPPORT_HARD_LINKS
 	  preserve_hard_links=1;
+#else 
+	  fprintf(FERROR,"ERROR: hard links not supported on this platform\n");
+	  exit_cleanup(1);
 #endif
 	  break;
 
@@ -619,6 +660,10 @@ int main(int argc,char *argv[])
 	  recurse = 1;
 	  break;
 
+	case 'R':
+	  relative_paths = 1;
+	  break;
+
 	case 'e':
 	  shell_cmd = optarg;
 	  break;
@@ -650,6 +695,13 @@ int main(int argc,char *argv[])
     if (dry_run)
       verbose = MAX(verbose,1);
 
+#ifndef SUPPORT_LINKS
+    if (!am_server && preserve_links) {
+	    fprintf(FERROR,"ERROR: symbolic links not supported\n");
+	    exit_cleanup(1);
+    }
+#endif
+
     if (am_server) {
       setup_protocol(STDOUT_FILENO,STDIN_FILENO);
 	
@@ -723,6 +775,11 @@ int main(int argc,char *argv[])
 
     setup_protocol(f_out,f_in);
 
+#if HAVE_SETLINEBUF
+    setlinebuf(FINFO);
+    setlinebuf(FERROR);
+#endif
+
     if (verbose > 3) 
       fprintf(FERROR,"parent=%d child=%d sender=%d recurse=%d\n",
 	      (int)getpid(),pid,sender,recurse);
@@ -761,3 +818,4 @@ int main(int argc,char *argv[])
 
     return status | status2;
 }
+