-Greetings, and thanks for all of your work on the wonderful rsync!
+Jeremy Bornstein wrote:
I recently had the need to transfer files only with different mod
dates (and to *not* transfer them based on file size differences).
enclosing the diffs in case you (as I hope) decide to include this
option in future releases.
-Again, thanks!
+To use this patch, run these commands for a successful build:
-Best Regards,
-Jeremy Bornstein
-diff rsync-2.5.4/README rsync-2.5.4-patched/README
-70a71
-> --date-only only use modification date when determining if a file should be transferred
-Common subdirectories: rsync-2.5.4/doc and rsync-2.5.4-patched/doc
-diff rsync-2.5.4/generator.c rsync-2.5.4-patched/generator.c
-39a40
-> extern int date_only;
-50a52,56
-> if (date_only) {
-> return (cmp_modtime(st->st_mtime,file->modtime) == 0);
-> }
->
->
-Common subdirectories: rsync-2.5.4/lib and rsync-2.5.4-patched/lib
-diff rsync-2.5.4/options.c rsync-2.5.4-patched/options.c
-64a65
-> int date_only=0;
-223a225
-> rprintf(F," --date-only only use modification date when determining if a file should be transferred\n");
-265c267
-< OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
----
-> OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_DATE_ONLY, OPT_ADDRESS,
-278a281
-> {"date-only", 0, POPT_ARG_NONE, &date_only},
-704a708,710
->
-> if (date_only)
-> args[ac++] = "--date-only";
-Common subdirectories: rsync-2.5.4/packaging and rsync-2.5.4-patched/packaging
-Common subdirectories: rsync-2.5.4/popt and rsync-2.5.4-patched/popt
-diff rsync-2.5.4/rsync.1 rsync-2.5.4-patched/rsync.1
-289a290
-> --date-only only use modification date when determining if a file should be transferred
-363a365,371
-> .IP
-> .IP "\fB--date-only\fP"
-> Normally rsync will skip any files that are
-> already the same length and have the same time-stamp\&. With the
-> --date-only option files will be skipped if they have the same timestamp,
-> regardless of size\&. This may be useful when the remote files have passed
-> through a size-changing filter, e.g. for encryption\&.
-diff rsync-2.5.4/rsync.yo rsync-2.5.4-patched/rsync.yo
-260a261
-> --date-only only use modification date when determining if a file should be transferred
-326a328,333
->
-> dit(bf(--date-only)) Normally rsync will skip any files that are
-> already the same length and have the same time-stamp. With the
-> --date-only option files will be skipped if they have the same
-> timestamp, regardless of size. This may be useful when the remote
-> files have passed through a size-changing filter, e.g. for encryption.
-Common subdirectories: rsync-2.5.4/testhelp and rsync-2.5.4-patched/testhelp
-Common subdirectories: rsync-2.5.4/testsuite and rsync-2.5.4-patched/testsuite
-Common subdirectories: rsync-2.5.4/zlib and rsync-2.5.4-patched/zlib
+ patch -p1 <patches/date-only.diff
+ ./configure (optional if already run)
+ make
+
+based-on: a01e3b490eb36ccf9e704840e1b6683dab867550
+diff --git a/generator.c b/generator.c
+--- a/generator.c
++++ b/generator.c
+@@ -64,6 +64,7 @@ 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 OFF_T min_size;
+@@ -523,6 +524,9 @@ void itemize(const char *fnamecmp, struct file_struct *file, int ndx, int statre
+ /* Perform our quick-check heuristic for determining if a file is unchanged. */
+ int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
+ {
++ if (date_only)
++ return cmp_time(st->st_mtime, file->modtime) == 0;
++
+ if (st->st_size != F_LENGTH(file))
+ return 0;
+
+diff --git a/options.c b/options.c
+--- a/options.c
++++ b/options.c
+@@ -105,6 +105,7 @@ int safe_symlinks = 0;
+ int copy_unsafe_links = 0;
+ int munge_symlinks = 0;
+ int size_only = 0;
++int date_only = 0;
+ int daemon_bwlimit = 0;
+ int bwlimit = 0;
+ int fuzzy_basis = 0;
+@@ -740,6 +741,7 @@ void usage(enum logcode F)
+ rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
+ rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\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," -y, --fuzzy find similar file for basis if no dest file\n");
+@@ -888,6 +890,7 @@ 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 },
+ {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
+ {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
+ {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
+@@ -2545,6 +2548,9 @@ void server_options(char **args, int *argc_p)
+ else if (missing_args == 1 && !am_sender)
+ args[ac++] = "--ignore-missing-args";
+
++ if (date_only)
++ args[ac++] = "--date-only";
++
+ if (modify_window_set) {
+ if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
+ goto oom;
+diff --git a/rsync.yo b/rsync.yo
+--- a/rsync.yo
++++ b/rsync.yo
+@@ -394,6 +394,7 @@ to the detailed description below for a complete description. verb(
+ --contimeout=SECONDS set daemon connection 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
+ -y, --fuzzy find similar file for basis if no dest file
+@@ -554,6 +555,12 @@ time to just looking for files that have changed in size. This is useful
+ when starting to use rsync after using another mirroring system which may
+ not preserve timestamps exactly.
+
++dit(bf(--date-only)) Normally rsync will skip any files that are
++already the same size and have the same modification time-stamp. With the
++--date-only option, files will be skipped if they have the same
++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 differ by no more than the modify-window
+ value. This is normally 0 (for an exact match), but you may find it useful
Matt McCutchen's Web Site / rsync / rsync-patches.git / blobdiff