X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/da1b6eeaf2970757e19fa8df14ca6b0f50ffcdb7..90c98cdc39f640a14fb31e330d9297887926283a:/NEWS diff --git a/NEWS b/NEWS index 64ff110d..e8b87a3a 100644 --- a/NEWS +++ b/NEWS @@ -1,151 +1,247 @@ -NEWS for rsync 2.6.4 (UNRELEASED) -Protocol: 29 (changed) -Changes since 2.6.3: +NEWS for rsync 3.0.0 (UNRELEASED) +Protocol: 30 (changed) +Changes since 2.6.9: - OUTPUT CHANGES: + NOTABLE CHANGES IN BEHAVIOR: - - When rsync deletes a directory and outputs a verbose message about - it, it now appends a trailing slash to the name instead of (only - sometimes) outputting a preceding "directory " string. + - The handling of implied directories when using --relative has changed to + send them as directories (e.g. no implied dir is ever sent as a symlink). + This avoids unexpected behavior and should not adversely affect most + people. If you're one of those rare individuals who relied upon having + an implied dir be duplicated as a symlink, you should specify the + transfer of the symlink and the transfer of the referent directory as + separate args. (See also --keep-dirlinks and --no-implied-dirs.) + + - Requesting a remote file list without specifying -r (--recursive) now + sends the -d (--dirs) option to the remote rsync rather than sending -r + along with an extra exclude of /*/*. If the remote rsync does not + understand the -d option (i.e. it is 2.6.3 or older), you will need to + either turn off -d (--no-d), or specify -r --exclude='/*/*' manually. + + - In --dry-run mode, the last line of the verbose summary text is output + with a "(DRY RUN)" suffix to help remind you that no updates were made. - - The --stats output will contain time file-list time statistics if - both sides are 2.6.4, or if the local side is 2.6.4 and the files - are being pushed (since the stats come from the sending side). - BUG FIXES: - - Restore the list-clearing behavior of "!" in a .cvsignore file (2.6.3 - was only treating it as a special token in an rsync include/exclude - file). + - Fixed the output of -ii when combined with one of the --*-dest options: + it now itemizes all the items, not just the changed ones. + + - Made the output of all file types consistent when using a --*-dest + option. Prior versions would output too many creation events for + matching items. + + - The code that waits for a child pid now handles being interrupted by a + signal. This fixes a problem with the pre-xfer exec function not being + able to get the exit status from the script. + + - A negated filter rule (i.e. with a '!' modifier) no longer loses the + negation when sending the filter rules to the remote rsync. + + - Fixed a problem with the --out-format (aka --log-format) option %f: it + no longer outputs superfluous directory info for a non-daemon rsync. - - Avoid a mkdir warning when removing a directory in the destination - that already exists in the --backup-dir. + - Fixed a problem with -vv (double --verbose) and --stats when "pushing" + files (which includes local copies). Version 2.6.9 would complete the + copy, but exit with an error when the receiver output its memory stats. - - An OS that has a binary mode for its files (such as cygwin0 needed - setmode(fd, O_BINARY) called on the temp-file we opened with - mkstemp(). (Fix derived from the cygwin's rsync package.) + - If --password-file is used on a non-daemon transfer, rsync now complains + and exits. This should help users figure out that they can't use this + option to control a remote shell's password prompt. - - Fixed a potential hang when verbosity is high, the client side is - the sender, and the file-list is large. + - Make sure that directory permissions of a newly-created destination + directory are handled right when --perms is left off. - - We now check if the OS doesn't support using mknod() for creating - FIFOs and sockets, and compile-in using mkfifo() and socket() when - necessary. + - The itemized output of a newly-created destination directory is now + output as a creation event, not a change event. - - Fixed an off-by-one error in the handling of --max-delete=N. + - Improved --hard-link so that more corner cases are handled correctly + when combined with options such as --link-dest and/or --ignore-existing. - - One place in the code wasn't checking if fork() failed. + - The --append option no longer updates a file that has the same size. - - The "ignore nonreadable" daemon parameter no longer affects symlinks - that are being copied, even if they point nowhere. + - Fixed a bug when combining --backup and --backup-dir with --inplace: + any missing backup directories are now created. - - If the OS does not have lchown() and its chown() tries to set the - referent of a symlink (as it should), we no longer try to set the - user and group of a symlink. + - Fixed a bug when using --backup and --inplace with --whole-file or + --read-batch: backup files are actually created now. - - The generator now properly runs the hard-link loop and the dir-time - rewriting loop after we're sure that the redo phase is complete. + - Starting up an extra copy of an rsync daemon will not clobber the pidfile + for the running daemon -- if the pidfile exists, the new daemon will exit + with an error. - - When --backup was specified with --partial-dir=DIR (where DIR is a - relative path), the backup code was erroneously trying to backup a - file that was put into the partial-dir. + - The daemon pidfile is checked and created sooner in the startup sequence. + + - If a daemon module's "path" value is not an absolute pathname, the code + now makes it absolute internally (making it work properly). + + - Ensure that a temporary file always has owner-write permission while we + are writing to it. This avoids problems with some network filesystems. + + - Any errors output about password-file reading no longer cause an error at + the end of the run about a partial transfer. ENHANCEMENTS: - - Rsync now supports popt's option aliases, which means that you can - use /etc/popt and/or ~/.popt to create your own option aliases. - - - Added the --delete-during (--del) option which will delete files - from on the receiving side incrementally as each directory in the - transfer is being processed (which makes it more efficient than the - default, before-the-transfer behavior of --delete). Note that the - --del option is implemented as an internally-defined popt alias, so - an rsync daemon that refuses "delete" (which, for safety's sake, - really matches "delete*") will still refuse all delete options. - - - Added the --copy-dest option, which works like --link-dest except - that it includes copies of identical files. - - - Added support for specifying multiple --compare-dest, --copy-dest, or - --link-dest options, but only of a single type. (Promoted from the - patches dir and enhanced.) - - - Added the --max-size option. (Promoted from the patches dir.) - - - The daemon-mode options were separated from the normal rsync options - so that they can't be mixed together. This makes it impossible to - start a daemon that had improper default option values that could - cause problems (such as a hang or an abort) when a client connects. - - - The --bwlimit option may now be used in combination with --daemon - to specify a default value for the daemon side and also a value - that cannot be exceeded by a user-specified --bwlimit option. - - - Added the "port" parameter to the rsyncd.conf file. (Promoted from - the patches dir.) - - - In _exit_cleanup(): when we are exiting with a partially-received - file, we now flush any data in the write-cache before closing the - partial file. - - - The --inplace support was enhanced to work with --compare-dest, - --link-dest, and (the new) --copy-dest options. - - - Added the --dirs (-d) option for an easier way to copy directories - without recursion. - - - Added the --list-only option which is mainly a way for the client to - put the server into listing mode without needing to resort to any - option kluges (e.g. the age-old use of "-r --exclude="/*/*" for a - non-recursive listing). - - - Added the --omit-dir-times (-O) option which will avoid updating the - modified time for directories when --times was specified. For a - really large transfer, this option will avoid an extra pass through - the file-list at the end of the transfer to tweak all the directory - times. - - - Added the --filter (-f) option and its helper option, -F. Filter - rules are an extension to the existing include/exclude handling - that also supports nested filter files as well as per-directory - filter files (like .cvsignore, but with full filter-rule parsing). - This new option was chosen in order to ensure that all existing - include/exclude processing remained 100% compatible with older - versions. - - - Added the --delay-updates option that puts all updated files into - a temporary directory (by default ".~tmp~", but settable via the - --partial-dir=DIR option) until the end of the transfer. This - makes the updates a little more atomic for a large transfer. - - SUPPORT FILES: - - - Added support/atomic-rsync -- a perl script that will transfer some - files using rsync, and then move the updated files into place all at - once at the end of the transfer. Only works when pulling, and uses - --link-dest and a parallel hierarchy of files to effect its update. - - - Added support/mnt-excl that takes the /proc/mounts file and - translates it into a set of excludes that will exclude all mount - points (even mapped mounts to the same disk). The excludes are made - relative to the specified source dir and properly anchored. - - - Added support/savetransfer.c -- a C program that can make a copy of - all the data that flows over the wire. This lets you test for data - corruption (by saving the data on both the sending side and the - receiving side) or provides a way to help debug a protocol error. - - - Added support/rrsync -- my version of Joe Smith's restricted rsync - perl script. This helps to ensure that only certain rsync commands - can be run by an ssh invocation. + - A new incremental-recursion algorithm is now used when rsync is talking + to another 3.x version. This starts the transfer going more quickly + (before all the files have been found), and requires much less memory. + See the --recursive option in the manpage for some restrictions. + + - Lowered memory use in the non-incremental-recursion algorithm for typical + option values (usually saving from 21-29 bytes per file). + + - The default --delete algorithm is now --delete-during when talking to a + 3.x rsync. This is a faster scan than using --delete-before (which is + the default when talking to older rsync versions), and is compatible with + the new incremental recursion mode. + + - Rsync now allows multiple remote-source args to be specified rather than + having to rely on a special space-splitting side-effect of the remote- + shell. Additional remote args must specify the same host or an empty one + (e.g. empty: :file1 or ::module/file2). This means that local use of + brace expansion now works: rsync -av host:dir/{f1,f2} . + + - Added the --protect-args (-s) option, that tells rsync to send most of + the command-line args at the start of the transfer rather than as args + to the remote-shell command. This protects them from space-splitting, + and only interprets basic wildcard special shell characters (*?[). + + - Added the --delete-delay option, which is a more efficient way to delete + files at the end of the transfer without needing a separate delete pass. + + - Added the --acls (-A) option to preserve Access Control Lists. This is + an improved version of the prior patch that was available, and it even + supports OS X ACLs. If you need to have backward compatibility with old, + acl-patched versions of rsync, apply the acls.diff file from the patches + dir. + + - Added the --xattrs (-X) option to preserver extended attributes. This is + an improved version of the prior patch that was available, and it even + supports OS X xattrs (which includes their resource fork data). If you + need to have backward compatibility with old, xattr-patched versions of + rsync, apply the xattrs.diff file from the patches dir. + + - Added the --fake-super option that allows a non-super user to preserve + all attributes of a file by using a special extended-attribute idiom. + It even supports the storing of foreign ACL data on your backup server. + There is also an analogous "fake super" option for an rsync daemon. + + - Added the --iconv option, which allows rsync to convert filenames from + one character-set to another during the transfer. The default is to make + this feature available as long as your system has iconv_open(). If + compilation fails, specify --disable-iconv to configure, and then + rebuild. If you want rsync to perform character-set conversions by + default, you can specify --enable-iconv=CONVERT_STRING with the default + value for the --iconv option that you wish to use. For example, + "--enable-iconv=." is a good choice. See the rsync manpage for an + explanation of the --iconv option's settings. + + - Added the --skip-compress=LIST option to override the default list of + file suffixes that will not be compressed when using --compress. + + - The daemon's default for "dont compress" was extended to include: + *.7z *.mp[34] *.mov *.avi *.ogg *.jpg *.jpeg + The matching routine was also optimized to run more quickly. + + - The --max-delete option now outputs a warning if it skipped any file + deletions, including a count of how many deletions were skipped. (Older + versions just silently stopped deleting things.) + + - You may specify --max-delete=0 to a 3.0.0 client to request that it warn + about extraneous files without deleting anything. If you're not sure + what version the client is, you can use the less-obvious --max-delete=-1, + as both old and new versions will treat that as the same request (though + older versions don't warn). + + - The --hard-link option now uses less memory on both the sending and + receiving side for all protocol versions. For protocol 30, the use of a + hashtable on the sending side allows us to more efficiently convey to the + receiver what files are linked together. This reduces the amount of data + sent over the socket by a considerable margin (rather than adding more + data), and limits the in-memory storage of the device+inode information + to just the sending side for the new protocol 30, or to the receiving + side when speaking an older protocol (note that older rsync versions kept + the device+inode information on both sides). + + - The filter rules now support a perishable ("p") modifier that marks rules + that should not have an effect in a directory that is being deleted. e.g. + -f '-p .svn/' would only affect "live" .svn directories. + + - If we get an error setting the time on a symlink, we don't complain about + it anymore (since some operating systems don't support that, and it's not + that important). + + - Protocol 30 now uses MD5 checksums instead of MD4. + + - Changed the --append option to not checksum the existing data in the + destination file, which speeds up file appending. + + - Added the --append-verify option, which works like the older --append + option (verifying the existing data in the destination file). For + compatibility with older rsync versions, any use of --append that is + talking protocol 29 or older will revert to the --append-verify method. + + - Documented and extended the support for the RSYNC_CONNECT_PROG variable + that can be used to enhance the client side of a daemon connection. + + - Improved the dashes and double-quotes in the nroff manpage output. + + - We now support a lot more --no-OPTION override options. INTERNAL: - - Added better checking of the checksum header values that come over - the socket. + - The file-list sorting algorithm now uses a sort that keeps any same- + named items in the same order as they were specified. This allows + rsync to always ensure that the first of the duplicates is the one + that will be included in the copy. The new sort was also faster + than the glibc version of qsort() and mergesort() in my testing. + + - Rsync now supports the transfer of 64-bit timestamps (time_t values). + + - Fixed a build problem with older (2.x) versions of gcc. + + - Added some isType() functions that make dealing with signed characters + easier without forcing variables via casts. + + - Changed strcat/strcpy/sprintf function calls to use safer versions. + + - Upgraded the included popt version to 1.10.2 and improved its use of + string-handling functions. + + - Added missing prototypes for compatibility functions from the lib dir. + + - Configure determines if iconv() has a const arg, allowing us to avoid a + compiler warning. + + - Made the sending of some numbers more efficient for protocol 30. + + - Make sure that a daemon process doesn't mind if the client was weird and + omitted the --server option. + + - Improved the use of "const" on pointers. + + - Improved J.W.'s pool_alloc routines to add a way of freeing older + sections of a pool's memory. + + - The getaddrinfo.c compatibility code in the "lib" dir was replaced with + some new code (derived from samba, derived from PostgreSQL) that has a + better license than the old code. + + DEVELOPER RELATED: - - Improved the type of some variables for consistency and proper size. + - Rsync is now licensed under the GPLv3 or later. - BUILD CHANGES: + - When running the tests, we now put our per-test temp dirs into a sub- + directory named testtmp (which is created, if missing). This allows + someone to symlink the testtmp directory to another filesystem (which is + useful if the build dir's filesystem does not support ACLs and xattrs, + but another file system does). - - Handle an operating system that use mkdev() in place of makedev(). + - Rsync now has a way of handling protocol-version changes during the + development of a new protocol version. This causes any out-of-sync + versions to speak an older protocol rather than fail in a cryptic manner. + This addition makes it safe to deploy a pre-release version that may + interact with the public. This new exchange of sub-version info does not + interfere with the {MIN,MAX}_PROTOCOL_VERSION checking algorithm (which + does not have enough range to allow the main protocol number to be + incremented for every minor tweak in that happens during development).