1: NEWS for rsync 3.1.0 (28 Sep 2013)
2: Protocol: 31 (changed)
3: Changes since 3.0.9:
4:
5: OUTPUT CHANGES:
6:
7: - Output numbers in 3-digit groups by default (e.g. 1,234,567). See the
8: --human-readable option for a way to turn it off. See also the daemon's
9: "log format" parameter and related command-line options (including
10: --out-format) for a modifier that can be used to request digit-grouping
11: or human-readable output in log escapes. (Note that log output is
12: unchanged by default.)
13:
14: - The --list-only option is now affected by the --human-readable setting.
15: It will display digit groupings by default, and unit suffixes if higher
16: levels of readability are requested. Also, the column width for the size
17: output has increased from 11 to 14 characters when human readability is
18: enabled. Use --no-h to get the old-style output and column size.
19:
20: - The output of the --progress option has changed: the string "xfer" was
21: shortened to "xfr", and the string "to-check" was shortened to "to-chk",
22: both designed to make room for the (by default) wider display of file
23: size numbers without making the total line-length longer. Also, when
24: incremental recursion is enabled, the string "ir-chk" will be used
25: instead of "to-chk" up until the incremental-recursion scan is done,
26: letting you know that the value to check and the total value will still
27: be increasing as new files are found.
28:
29: - Enhanced the --stats output: 1) to mention how many files were created
30: (protocol >= 28), 2) to mention how many files were deleted (a new line
31: for protocol 31, but only output when --delete is in effect), and 3) to
32: follow the file-count, created-count, and deleted-count with a subcount
33: list that shows the counts by type. The wording of the transferred count
34: has also changed so that it is clearer that it is only a count of regular
35: files.
36:
37: BUG FIXES:
38:
39: - Fixed a bug in the iconv code when EINVAL or EILSEQ is returned with a
40: full output buffer.
41:
42: - Fixed some rare bugs in --iconv processing that might cause a multibyte
43: character to get translated incorrectly.
44:
45: - Fixed a bogus "vanished file" error if some files were specified with
46: "./" prefixes and others were not.
47:
48: - Fixed a bug in --sparse where an extra gap could get inserted after a
49: partial write.
50:
51: - Changed the way --progress overwrites its prior output in order to make
52: it nearly impossible for the progress to get overwritten by an error.
53:
54: - Improved the propagation of abnormal-exit error messages. This should
55: help the client side to receive errors from the server when it is exiting
56: abnormally, and should also avoid dying with an "connection unexpectedly
57: closed" exit when the closed connection is really expected.
58:
59: - The sender now checks each file it plans to remove to ensure that it
60: hasn't changed from the first stat's info. This helps to avoid losing
61: file data when the user is not using the option in a safe manner.
62:
63: - Fixed a data-duplication bug in the compress option that made compression
64: less efficient. This improves protocol 31 onward, while behaving in a
65: compatible (buggy) manner with older rsync protocols.
66:
67: - When creating a temp-file, rsync is now a bit smarter about it dot-char
68: choices, which can fix a problem on OS X with names that start with "..".
69:
70: - Rsync now sets a cleanup flag for --inplace and --append transfers that
71: will flush the write buffer if the transfer aborts. This ensures that
72: more received data gets written out to the disk on an aborted transfer
73: (which is quite helpful on a slow, flaky connection).
74:
75: - The reads that map_ptr() now does are aligned on 1K boundaries. This
76: helps some filesystems and/or files that don't like unaligned reads.
77:
78: - Fix an issue in the msleep() function if time jumps backwards.
79:
80: - Fix daemon-server module-name splitting bug where an arg would get split
81: even if --protect-args was used.
82:
83: ENHANCEMENTS:
84:
85: - Added the --remote-option=OPT (-M OPT) command-line option that is useful
86: for things like sending a remote --log-file=FILE or --fake-super option.
87:
88: - Added the --info=FLAGS and --debug=FLAGS options to allow finer-grained
89: control over what is output. Added an extra type of --progress output
90: using --info=progress2.
91:
92: - The --msgs2stderr option can help with debugging rsync by allowing the
93: debug messages to get output to stderr rather than travel via the socket
94: protocol.
95:
96: - Added the --delete-missing-args and --ignore-missing-args options to
97: either delete or ignore user-specified files on the receiver that are
98: missing on the sender (normally the absence of user-specified files
99: generates an error).
100:
101: - Added a "T" (terabyte) category to the --human-readable size suffixes.
102:
103: - Added the --usermap/--groupmap/--chown options for manipulating file
104: ownership during the copy.
105:
106: - Added the "%C" escape to the log-output handling, which will output the
107: MD5 checksum of any transferred file, or all files if --checksum was
108: specified (when protocol 30 or above is in effect).
109:
110: - Added the "reverse lookup" parameter to the rsync daemon config file to
111: allow reverse-DNS lookups to be disabled.
112:
113: - Added a forward-DNS lookup for the daemon's hosts allow/deny config. Can
114: be disabled via "forward lookup" parameter (defaults to enabled).
115:
116: - Added a way for more than one group to be specified in the daemon's
117: config file, including a way to specify that you want all of the
118: specified user's groups without having to name them. Also changed the
119: daemon to complain about an inability to set explicitly-specified uid/gid
120: values, even when not run by a super-user.
121:
122: - The daemon now tries to send the user the error messages from the
123: pre-xfer exec script when it fails.
124:
125: - Improved the use of alt-dest options into an existing hierarchy of files:
126: If a match is found in an alt-dir, it takes precedence over an existing
127: file. (We'll need to wait for a future version before attribute-changes
128: on otherwise unchanged files are safe when using an existing hierarchy.)
129:
130: - Added per-user authorization options and group-authorization support to
131: the daemon's "auth users" parameter.
132:
133: - Added a way to reference environment variables in a daemon's config file
134: (using %VAR% references).
135:
136: - When replacing a non-dir with a symlink/hard-link/device/special-file,
137: the update should now be done in an atomic manner.
138:
139: - Avoid re-sending xattr info for hard-linked files w/the same xattrs
140: (protocol 31).
141:
142: - The backup code was improved to use better logic maintaining the backup
143: directory hierarchy. Also, when a file is being backed up, rsync tries
144: to hard-link it into place so that the upcoming replacement of the
145: destination file will be atomic (for the normal, non-inplace logic).
146:
147: - Added the ability to synchronize nano-second modified times.
148:
149: - Added a few more default suffixes for the "dont compress" settings.
150:
151: - Added the checking of the RSYNC_PROTECT_ARGS environment variable to allow
152: the default for the --protect-args command-line option to be overridden.
153:
154: - Added the --preallocate command-line option.
155:
156: - Allow --password-file=- to read the password from stdin (filename "-").
157:
158: - Rsync now comes packaged with an rsync-ssl helper script that can be
159: used to contact a remote rsync daemon using a piped-stunnel command.
160: It also includes an stunnel config file to run the server side to
161: support ssl daemon connections. See the packaging/lsb/rsync.spec
162: file for one way to package the resulting files. (Suggestions for
163: how to make this even easier to install & use are welcomed.)
164:
165: - Improved the speed of some --inplace updates when there are lots of
166: identical checksum blocks that end up being unusable.
167:
168: - Added the --outbuf=N|L|B option for choosing the output buffering.
169:
170: - Repeating the --fuzzy option now causes the code to look for fuzzy
171: matches inside alt-dest directories too.
172:
173: - The --chmod option now supports numeric modes, e.g. --chmod=644,D755
174:
175: - Added some Solaris xattr code.
176:
177: - Made an rsync daemon (the listening process) exit with a 0 status when
178: it was signaled to die. This helps launchd.
179:
180: - Improved the RSYNC_* environment variables for the pre-xfer exec script:
181: when a daemon is sent multiple request args, they are now joined into a
182: single return value (separated by spaces) so that the RSYNC_REQUEST
183: environment variable is accurate for any "pre-xfer exec". The values in
184: RSYNC_ARG# vars are no longer truncated at the "." arg (prior to the
185: request dirs/files), so that all the requested values are also listed
186: (separately) in RSYNC_ARG# variables.
187:
188: EXTRAS:
189:
190: - Added an "instant-rsyncd" script to the support directory, which makes
191: it easy to configure a simple rsync daemon in the current directory.
192:
193: - Added the "mapfrom" and "mapto" scripts to the support directory, which
194: makes it easier to do user/group mapping in a local transfer based on
195: passwd/group files from another machine.
196:
197: - There's a new, improved version of the lsh script in the support dir:
198: it's written in perl and supports -u without resorting to using sudo
199: (when run as root). The old shell version is now named lsh.sh.
200:
201: - There is a helper script named rsync-slash-strip in the support directory
202: for anyone that wants to change the way rsync handles args with trailing
203: slashes. (e.g. arg/ would get stripped to arg while arg/. would turn into
204: arg/).
205:
206: INTERNAL:
207:
208: - The I/O code was rewritten to be simpler and do bigger buffered reads
209: over the socket. The I/O between the receiver and the generator was
210: changed to be standard multiplexed-I/O (like that over the socket).
211:
212: - The sender tries to use any dead time while the generator is looking for
213: files to transfer in order to do sender-side directory scanning in a more
214: parallel manner.
215:
216: - A daemon can now inform a client about a daemon-configured timeout value
217: so that the client can assist in the keep-alive activity (protocol 31).
218:
219: - The filter code received some refactoring to make it more extendible, to
220: read better, and do better sanity checking.
221:
222: - Really big numbers are now output using our own big-num routine rather
223: than casting them to a double and using a %.0f conversion.
224:
225: - The pool_alloc library has received some minor improvements in alignment
226: handling.
227:
228: - Added init_stat_x() function to avoid duplication of acl/xattr init code.
229:
230: - The included zlib was upgraded from 1.2.3 to 1.2.8.
231:
232: - Rsync can now be compiled to use an unmodified zlib library instead of
233: the tweaked one that is included with rsync. This will eventually
234: become the default, at which point we'll start the countdown to removing
235: the included zlib. Until then, feel free to configure using:
236:
237: ./configure --with-included-zlib=no
238:
239: DEVELOPER RELATED:
240:
241: - Added more conditional debug output.
242:
243: - Fixed some build issues for android and minix.
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