[Patched update to have context and apply to latest CVS source.]
---- orig/generator.c 2005-02-03 02:04:20
-+++ generator.c 2004-11-11 22:15:27
-@@ -43,6 +43,7 @@ extern int inplace;
+--- old/generator.c
++++ new/generator.c
+@@ -61,6 +61,7 @@ extern int append_mode;
extern int make_backups;
extern int csum_length;
extern int ignore_times;
+extern int date_only;
extern int size_only;
extern OFF_T max_size;
- extern int io_timeout;
-@@ -81,6 +82,8 @@ static int unchanged_attrs(struct file_s
+ extern OFF_T min_size;
+@@ -379,6 +380,8 @@ void itemize(struct file_struct *file, i
/* Perform our quick-check heuristic for determining if a file is unchanged. */
- static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
+ int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
{
+ if (date_only)
-+ return cmp_modtime(st->st_mtime, file->modtime) == 0;
++ return cmp_time(st->st_mtime, file->modtime) == 0;
if (st->st_size != file->length)
return 0;
---- orig/options.c 2005-02-01 10:39:22
-+++ options.c 2005-01-28 19:14:15
-@@ -88,6 +88,7 @@ int keep_partial = 0;
+--- old/options.c
++++ new/options.c
+@@ -99,6 +99,7 @@ int keep_partial = 0;
int safe_symlinks = 0;
int copy_unsafe_links = 0;
int size_only = 0;
+int date_only = 0;
int daemon_bwlimit = 0;
int bwlimit = 0;
- size_t bwlimit_writemax = 0;
-@@ -298,6 +299,7 @@ void usage(enum logcode F)
+ int fuzzy_basis = 0;
+@@ -332,6 +333,7 @@ void usage(enum logcode F)
rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
rprintf(F," --size-only skip files that match in size\n");
+ rprintf(F," --date-only skip files that match in mod-time\n");
rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
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");
-@@ -352,6 +354,7 @@ static struct poptOption long_options[]
- {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
+ rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
+@@ -443,6 +445,7 @@ static struct poptOption long_options[]
+ {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
{"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
{"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
+ {"date-only", 0, POPT_ARG_NONE, &date_only, 0, 0, 0 },
- {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
- {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
- {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
-@@ -1247,6 +1250,9 @@ void server_options(char **args,int *arg
- if (size_only)
- args[ac++] = "--size-only";
+ {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
+ {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
+ {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
+@@ -1647,6 +1650,9 @@ void server_options(char **args,int *arg
+ args[ac++] = "--size-only";
+ }
+ if (date_only)
+ args[ac++] = "--date-only";
if (modify_window_set) {
if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
goto oom;
---- orig/rsync.yo 2005-02-01 10:39:23
-+++ rsync.yo 2005-01-28 19:14:37
-@@ -349,6 +349,7 @@ to the detailed description below for a
+--- old/rsync.yo
++++ new/rsync.yo
+@@ -355,6 +355,7 @@ to the detailed description below for a
--timeout=TIME set I/O timeout in seconds
-I, --ignore-times don't skip files that match size and time
--size-only skip files that match in size
+ --date-only skip files that match in mod-time
--modify-window=NUM compare mod-times with reduced accuracy
- -T --temp-dir=DIR create temporary files in directory DIR
- --compare-dest=DIR also compare received files relative to DIR
-@@ -434,6 +435,12 @@ regardless of timestamp. This is useful
+ -T, --temp-dir=DIR create temporary files in directory DIR
+ -y, --fuzzy find similar file for basis if no dest file
+@@ -460,6 +461,12 @@ regardless of timestamp. This is useful
after using another mirroring system which may not preserve timestamps
exactly.
+timestamp, regardless of size. This may be useful when the remote
+files have passed through a size-changing filter, e.g. for encryption.
+
- dit(bf(--modify-window)) When comparing two timestamps rsync treats
- the timestamps as being equal if they are within the value of
- modify_window. This is normally zero, but you may find it useful to
+ dit(bf(--modify-window)) When comparing two timestamps, rsync treats the
+ timestamps as being equal if they differ by no more than the modify-window
+ value. This is normally 0 (for an exact match), but you may find it useful