-After applying this patch, run these commands for a successful build:
-
- ./prepare-source
- ./configure (optional if already run)
- make
-
-Jason M. Felice writes:
+Jason M. Felice wrote:
This patch adds the --link-by-hash=DIR option, which hard links received
files in a link farm arranged by MD4 file hash. The result is that the system
will only store one copy of the unique contents of each file, regardless of
the file's name.
+To use this patch, run these commands for a successful build:
+
+ patch -p1 <patches/link-by-hash.diff
+ ./prepare-source
+ ./configure
+ make
--- old/Makefile.in
+++ new/Makefile.in
-@@ -34,7 +34,7 @@ OBJS1=rsync.o generator.o receiver.o cle
+@@ -35,7 +35,7 @@ OBJS1=rsync.o generator.o receiver.o cle
main.o checksum.o match.o syscall.o log.o backup.o
OBJS2=options.o flist.o io.o compat.o hlink.o token.o uidlist.o socket.o \
fileio.o batch.o clientname.o chmod.o
+#endif
--- old/options.c
+++ new/options.c
-@@ -144,6 +144,7 @@ char *backup_suffix = NULL;
+@@ -145,6 +145,7 @@ char *backup_suffix = NULL;
char *tmpdir = NULL;
char *partial_dir = NULL;
char *basis_dir[MAX_BASIS_DIRS+1];
+char *link_by_hash_dir = NULL;
char *config_file = NULL;
char *shell_cmd = NULL;
- char *log_format = NULL;
-@@ -337,6 +338,7 @@ void usage(enum logcode F)
+ char *logfile_name = NULL;
+@@ -349,6 +350,7 @@ void usage(enum logcode F)
rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
rprintf(F," -z, --compress compress file data during the transfer\n");
rprintf(F," --compress-level=NUM explicitly set compression level\n");
rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
-@@ -383,7 +385,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OP
+@@ -398,7 +400,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OP
OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
OPT_SERVER, OPT_REFUSED_BASE = 9000};
static struct poptOption long_options[] = {
-@@ -477,6 +479,7 @@ static struct poptOption long_options[]
+@@ -499,6 +501,7 @@ static struct poptOption long_options[]
{"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
{"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
{"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
{"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
{"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
{"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
-@@ -1062,6 +1065,21 @@ int parse_arguments(int *argc, const cha
+@@ -1089,6 +1092,21 @@ int parse_arguments(int *argc, const cha
usage(FINFO);
exit_cleanup(0);
+#if HAVE_LINK
+ arg = poptGetOptArg(pc);
+ if (sanitize_paths)
-+ arg = sanitize_path(NULL, arg, NULL, 0);
++ arg = sanitize_path(NULL, arg, NULL, 0, NULL);
+ link_by_hash_dir = (char *)arg;
+ break;
+#else
default:
/* A large opt value means that set_refuse_options()
* turned this option off. */
-@@ -1710,6 +1728,11 @@ void server_options(char **args,int *arg
+@@ -1739,6 +1757,11 @@ void server_options(char **args,int *arg
}
}
args[ac++] = "--files-from";
--- old/receiver.c
+++ new/receiver.c
-@@ -53,6 +53,7 @@ extern int delay_updates;
+@@ -50,6 +50,7 @@ extern int delay_updates;
extern struct stats stats;
- extern char *log_format;
+ extern char *stdout_format;
extern char *tmpdir;
+extern char *link_by_hash_dir;
extern char *partial_dir;
+ mdfour_update(&mdfour_data, (uchar*)map, len);
}
- if (inplace) {
-@@ -257,6 +266,8 @@ static int receive_data(int f_in, char *
+ if (updating_basis) {
+@@ -259,6 +268,8 @@ static int receive_data(int f_in, char *
}
sum_end(file_sum1);
if (mapbuf)
unmap_file(mapbuf);
-@@ -272,7 +283,7 @@ static int receive_data(int f_in, char *
+@@ -274,7 +285,7 @@ static int receive_data(int f_in, char *
static void discard_receive_data(int f_in, OFF_T length)
{
}
static void handle_delayed_updates(struct file_list *flist, char *local_name)
-@@ -604,8 +615,12 @@ int recv_files(int f_in, struct file_lis
+@@ -611,8 +622,12 @@ int recv_files(int f_in, struct file_lis
rprintf(FINFO, "%s\n", fname);
/* recv file data */
- fname, fd2, file->length);
+ fname, fd2, file->length, file->u.sum);
- if (!log_before_transfer)
- log_item(file, &initial_stats, iflags, NULL);
+ log_item(log_code, file, &initial_stats, iflags, NULL);
+
--- old/rsync.c
+++ new/rsync.c
-@@ -49,6 +49,7 @@ extern int inplace;
+@@ -48,6 +48,7 @@ extern int inplace;
extern int keep_dirlinks;
extern int make_backups;
extern mode_t orig_umask;
extern struct stats stats;
extern struct chmod_mode_struct *daemon_chmod_modes;
-@@ -269,8 +270,15 @@ void finish_transfer(char *fname, char *
+@@ -271,8 +272,15 @@ void finish_transfer(char *fname, char *
/* move tmp file over real file */
if (verbose > 2)
rprintf(FINFO, "renaming %s to %s\n", fnametmp, fname);
ret == -2 ? "copy" : "rename",
--- old/rsync.h
+++ new/rsync.h
-@@ -640,6 +640,14 @@ struct stats {
+@@ -651,6 +651,14 @@ struct stats {
int current_file_index;
};
#include "byteorder.h"
--- old/rsync.yo
+++ new/rsync.yo
-@@ -363,6 +363,7 @@ to the detailed description below for a
+@@ -366,6 +366,7 @@ to the detailed description below for a
--compare-dest=DIR also compare received files relative to DIR
--copy-dest=DIR ... and include copies of unchanged files
--link-dest=DIR hardlink to files in DIR when unchanged
Matt McCutchen's Web Site / rsync / rsync-patches.git / blobdiff