./configure
make
---- old/Makefile.in
-+++ new/Makefile.in
-@@ -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
+diff --git a/Makefile.in b/Makefile.in
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -36,7 +36,7 @@ OBJS1=flist.o rsync.o generator.o receiver.o cleanup.o sender.o exclude.o \
+ util.o main.o checksum.o match.o syscall.o log.o backup.o
+ OBJS2=options.o io.o compat.o hlink.o token.o uidlist.o socket.o hashtable.o \
+ fileio.o batch.o clientname.o chmod.o acls.o xattrs.o
-OBJS3=progress.o pipe.o
+OBJS3=progress.o pipe.o hashlink.o
DAEMON_OBJ = params.o loadparm.o clientserver.o access.o connection.o authenticate.o
popt_OBJS=popt/findme.o popt/popt.o popt/poptconfig.o \
popt/popthelp.o popt/poptparse.o
---- old/flist.c
-+++ new/flist.c
-@@ -57,6 +57,7 @@ extern int copy_unsafe_links;
- extern int protocol_version;
- extern int sanitize_paths;
+diff --git a/flist.c b/flist.c
+--- a/flist.c
++++ b/flist.c
+@@ -70,6 +70,7 @@ extern int need_unsorted_flist;
+ extern int unsort_ndx;
extern struct stats stats;
+ extern char *filesfrom_host;
+extern char *link_by_hash_dir;
- extern struct file_list *the_file_list;
- extern alloc_pool_t hlink_pool;
-@@ -624,7 +625,7 @@ static struct file_struct *recv_file_ent
- }
+ extern char curr_dir[MAXPATHLEN];
+
+@@ -834,7 +835,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
+ extra_len += EXTRA_LEN;
#endif
- if (always_checksum && S_ISREG(mode))
extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
---- old/hashlink.c
-+++ new/hashlink.c
+diff --git a/hashlink.c b/hashlink.c
+new file mode 100644
+--- /dev/null
++++ b/hashlink.c
@@ -0,0 +1,336 @@
+/*
+ Copyright (C) Cronosys, LLC 2004
+}
+
+
-+int link_by_hash(char *fnametmp,char *fname,struct file_struct *file)
++int link_by_hash(const char *fnametmp, const char *fname, struct file_struct *file)
+{
+ STRUCT_STAT st;
+ char *hashname = make_hash_name(file);
+ return rc;
+}
+#endif
---- old/options.c
-+++ new/options.c
-@@ -145,6 +145,7 @@ char *backup_suffix = NULL;
+diff --git a/options.c b/options.c
+--- a/options.c
++++ b/options.c
+@@ -157,6 +157,7 @@ char *backup_suffix = NULL;
char *tmpdir = NULL;
char *partial_dir = NULL;
char *basis_dir[MAX_BASIS_DIRS+1];
char *config_file = NULL;
char *shell_cmd = NULL;
char *logfile_name = NULL;
-@@ -346,6 +347,7 @@ void usage(enum logcode F)
+@@ -394,6 +395,7 @@ 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," --link-by-hash=DIR create hardlinks by hash into DIR\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");
-@@ -395,7 +397,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OP
+ rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
+@@ -446,7 +448,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
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_NO_D,
-+ OPT_NO_D, OPT_LINK_BY_HASH,
+- OPT_NO_D, OPT_APPEND, OPT_NO_ICONV,
++ OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_LINK_BY_HASH,
OPT_SERVER, OPT_REFUSED_BASE = 9000};
static struct poptOption long_options[] = {
-@@ -497,6 +499,7 @@ static struct poptOption long_options[]
+@@ -578,6 +580,7 @@ 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 },
+ {"link-by-hash", 0, POPT_ARG_STRING, 0, OPT_LINK_BY_HASH, 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 },
-@@ -1087,6 +1090,21 @@ int parse_arguments(int *argc, const cha
- usage(FINFO);
- exit_cleanup(0);
+ {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
+ {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
+ {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
+@@ -1260,6 +1263,21 @@ int parse_arguments(int *argc_p, const char ***argv_p)
+ return 0;
+ #endif
+ case OPT_LINK_BY_HASH:
+#ifdef HAVE_LINK
+ arg = poptGetOptArg(pc);
+ if (sanitize_paths)
-+ arg = sanitize_path(NULL, arg, NULL, 0, NULL);
++ arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
+ link_by_hash_dir = (char *)arg;
+ break;
+#else
default:
/* A large opt value means that set_refuse_options()
* turned this option off. */
-@@ -1745,6 +1763,11 @@ void server_options(char **args,int *arg
- }
- }
+@@ -2023,6 +2041,11 @@ void server_options(char **args, int *argc_p)
+ } else if (inplace)
+ args[ac++] = "--inplace";
+ if (link_by_hash_dir && am_sender) {
+ args[ac++] = "--link-by-hash";
if (files_from && (!am_sender || filesfrom_host)) {
if (filesfrom_host) {
args[ac++] = "--files-from";
---- old/receiver.c
-+++ new/receiver.c
-@@ -124,12 +124,14 @@ int get_tmpname(char *fnametmp, char *fn
-
+diff --git a/receiver.c b/receiver.c
+--- a/receiver.c
++++ b/receiver.c
+@@ -162,12 +162,14 @@ int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
+ }
static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
-- char *fname, int fd, OFF_T total_size)
+- const char *fname, int fd, OFF_T total_size)
+ const char *fname, int fd, OFF_T total_size,
+ const char *md4)
{
- static char file_sum1[MD4_SUM_LENGTH];
- static char file_sum2[MD4_SUM_LENGTH];
+ static char file_sum1[MAX_DIGEST_LEN];
+ static char file_sum2[MAX_DIGEST_LEN];
struct map_struct *mapbuf;
struct sum_struct sum;
-+ struct mdfour mdfour_data;
- int32 len;
++ md_context mdfour_data;
+ int32 len, sum_len;
OFF_T offset = 0;
OFF_T offset2;
-@@ -149,6 +151,9 @@ static int receive_data(int f_in, char *
+@@ -187,6 +189,9 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
} else
mapbuf = NULL;
+
sum_init(checksum_seed);
- if (append_mode) {
-@@ -191,6 +196,8 @@ static int receive_data(int f_in, char *
+ if (append_mode > 0) {
+@@ -231,6 +236,8 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
cleanup_got_literal = 1;
sum_update(data, i);
if (fd != -1 && write_file(fd,data,i) != i)
goto report_write_error;
-@@ -217,6 +224,8 @@ static int receive_data(int f_in, char *
+@@ -257,6 +264,8 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
see_token(map, len);
sum_update(map, len);
+ mdfour_update(&mdfour_data, (uchar*)map, len);
}
- if (updating_basis) {
-@@ -259,6 +268,8 @@ static int receive_data(int f_in, char *
+ if (updating_basis_or_equiv) {
+@@ -299,6 +308,8 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
}
- sum_end(file_sum1);
+ sum_len = sum_end(file_sum1);
+ if (md4)
-+ mdfour_result(&mdfour_data, (unsigned char*)md4);
++ mdfour_result(&mdfour_data, (uchar*)md4);
if (mapbuf)
unmap_file(mapbuf);
-@@ -274,7 +285,7 @@ static int receive_data(int f_in, char *
+@@ -314,7 +325,7 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
static void discard_receive_data(int f_in, OFF_T length)
{
+ receive_data(f_in, NULL, -1, 0, NULL, -1, length, NULL);
}
- static void handle_delayed_updates(struct file_list *flist, char *local_name)
-@@ -604,7 +615,7 @@ int recv_files(int f_in, struct file_lis
+ static void handle_delayed_updates(char *local_name)
+@@ -676,7 +687,7 @@ int recv_files(int f_in, char *local_name)
/* recv file data */
recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
log_item(log_code, file, &initial_stats, iflags, NULL);
---- old/rsync.c
-+++ new/rsync.c
-@@ -49,6 +49,7 @@ extern int inplace;
+diff --git a/rsync.c b/rsync.c
+--- a/rsync.c
++++ b/rsync.c
+@@ -48,6 +48,7 @@ extern int inplace;
+ extern int flist_eof;
extern int keep_dirlinks;
extern int make_backups;
- extern mode_t orig_umask;
+extern char *link_by_hash_dir;
- extern struct stats stats;
- extern struct file_list *the_file_list;
+ extern struct file_list *cur_flist, *first_flist, *dir_flist;
extern struct chmod_mode_struct *daemon_chmod_modes;
-@@ -324,8 +325,15 @@ void finish_transfer(char *fname, char *
+ #ifdef ICONV_OPTION
+@@ -574,8 +575,15 @@ int finish_transfer(const char *fname, const char *fnametmp,
/* move tmp file over real file */
if (verbose > 2)
rprintf(FINFO, "renaming %s to %s\n", fnametmp, fname);
-- ret = robust_rename(fnametmp, fname, partialptr,
+- ret = robust_rename(fnametmp, fname, temp_copy_name,
- file->mode & INITACCESSPERMS);
+#ifdef HAVE_LINK
+ if (link_by_hash_dir)
+ else
+#endif
+ {
-+ ret = robust_rename(fnametmp, fname, partialptr,
++ ret = robust_rename(fnametmp, fname, temp_copy_name,
+ file->mode & INITACCESSPERMS);
+ }
if (ret < 0) {
- rsyserr(FERROR, errno, "%s %s -> \"%s\"",
+ rsyserr(FERROR_XFER, errno, "%s %s -> \"%s\"",
ret == -2 ? "copy" : "rename",
---- old/rsync.h
-+++ new/rsync.h
-@@ -685,6 +685,14 @@ struct stats {
- int current_file_index;
+diff --git a/rsync.h b/rsync.h
+--- a/rsync.h
++++ b/rsync.h
+@@ -824,6 +824,14 @@ struct stats {
+ int num_transferred_files;
};
+struct hashfile_struct {
+
struct chmod_mode_struct;
- #include "byteorder.h"
---- old/rsync.yo
-+++ new/rsync.yo
-@@ -367,6 +367,7 @@ to the detailed description below for a
+ #define EMPTY_ITEM_LIST {NULL, 0, 0}
+diff --git a/rsync.yo b/rsync.yo
+--- a/rsync.yo
++++ b/rsync.yo
+@@ -388,6 +388,7 @@ to the detailed description below for a complete description. verb(
--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
+ --link-by-hash=DIR create hardlinks by hash into DIR
-z, --compress compress file data during the transfer
--compress-level=NUM explicitly set compression level
- -C, --cvs-exclude auto-ignore files in the same way CVS does
+ --skip-compress=LIST skip compressing files with suffix in LIST