X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/3723c04850863a408fb8e225b221c39a29dc02e8..7f2a1f651e6db7483bcb3d2678dcb60cc4e54582:/NEWS diff --git a/NEWS b/NEWS index 76fabc40..b7ad4ffc 100644 --- a/NEWS +++ b/NEWS @@ -11,7 +11,11 @@ Changes since 2.6.3: - The --stats output will contain 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). - (Requires protocol 29.) + (Requires protocol 29 for a pull.) + + - The "%o" (operation) log format now has a third value (besides "send" + and "recv"): "del." (with trailing dot to make it 4 chars). This + changes the way deletions are logged in the daemon's log file. BUG FIXES: @@ -19,16 +23,15 @@ Changes since 2.6.3: was only treating it as a special token in an rsync include/exclude file). - - The combination of --verbose and --dry-run now mentions changes in - directories and it now includes the full update information that - would be output without --dry-run at higher levels of verbosity. + - The combination of --verbose and --dry-run now mentions the full list + of changes that would be output without --dry-run. - Avoid a mkdir warning when removing a directory in the destination that already exists in the --backup-dir. - - An OS that has a binary mode for its files (such as cygwin0 needed + - An OS that has a binary mode for its files (such as cygwin) needed setmode(fd, O_BINARY) called on the temp-file we opened with - mkstemp(). (Fix derived from the cygwin's rsync package.) + mkstemp(). (Fix derived from the cygwin's 2.6.3 rsync package.) - Fixed a potential hang when verbosity is high, the client side is the sender, and the file-list is large. @@ -41,12 +44,12 @@ Changes since 2.6.3: - One place in the code wasn't checking if fork() failed. - - The "ignore nonreadable" daemon parameter no longer affects symlinks - that are being copied, even if they point nowhere. + - The "ignore nonreadable" daemon parameter used to erroneously affect + symlinks that pointed to a non-existent file. This has been fixed. - - 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. + - If the OS does not have lchown() and a chown() of a symlink will + affect the referent of a symlink (as it should), we no longer try + to set the user and group of a symlink. - 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. @@ -63,16 +66,27 @@ Changes since 2.6.3: - If an rsync daemon specified "dont compress = ..." for a file and the client tried to specify --compress, the libz code was not handling a compression level of 0 properly. This could cause a transfer failure - if the block-size for a file was large enough (i.e. rsync might have + if the block-size for a file was large enough (e.g. rsync might have exited with an error for large files). + - Fixed a bug that would sometimes surface when using --compress and + sending a file with a block-size larger than 64K (either manually + specified, or computed due to the file being really large). Prior + versions of rsync would sometimes fail to decompress the data + properly, and thus the transferred file would fail its verification. + - If a daemon can't open the specified log file (i.e. syslog is not - being used), die without crashing. We also try to output an error - about the failure (which will only be seen if --no-detach was + being used), die without crashing. We also output an error about + the failure on stderr (which will only be seen if --no-detach was specified). - A local transfer no longer duplicates all its include/exclude options - by sending the forked process a copy of the list it already has. + (since the forked process already has a copy of the exclude list, + there's no need to send them a set of duplicates). + + - When --progress is specified, the output of items that the generator + is creating (e.g. dirs, symlinks) is now integrated into the progress + output without overlapping it. (Requires protocol 29.) ENHANCEMENTS: @@ -80,33 +94,31 @@ Changes since 2.6.3: 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. The - default --delete behavior is also explicitly selectable via - --delete-before. + from the receiving side incrementally as each directory in the + transfer is being processed. This makes it more efficient than the + default, before-the-transfer behavior, which is now available as + --delete-before (and is still the default --delete-WHEN option that + will be chosen if --delete or --delete-excluded is specified without + a --delete-WHEN choice). All the --del* options infer --delete, so + an rsync daemon that refuses "delete" will still refuse to allow any + file-deleting options. - All the --delete-WHEN options are now more memory efficient: Previously an entire duplicate set of file-list objects was created on the receiving side for the entire destination hierarchy. The new - algorithm only creates one directory of objects at a time. - - - Added the --copy-dest option, which works like --link-dest except - that it includes copies of identical files. + algorithm only creates one directory of objects at a time (for files + inside the transfer). - - 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 support for specifying multiple --compare-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. + cause problems when a client connects (e.g. a hang or an abort). - The --bwlimit option may now be used in combination with --daemon to specify both a default value for the daemon side and a value @@ -120,23 +132,22 @@ Changes since 2.6.3: 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. (Requires protocol - 29.) + - The --inplace support was enhanced to work with --compare-dest and + --link-dest. (Requires protocol 29.) - 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 + - 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). This option is used automatically when a - modern rsync speaks to a modern daemon, but may also be specified - manually if you want to force the use of the --list-only option over - a remote-shell connection. - - - Added the --omit-dir-times (-O) option which will avoid updating the - modified time for directories when --times was specified. This + internal option kluges (e.g. the age-old use of "-r --exclude="/*/*" + for a non-recursive listing). This option is used automatically + (behind the scenes) when a modern rsync speaks to a modern daemon, + but may also be specified manually if you want to force the use of + the --list-only option over a remote-shell connection. + + - Added the --omit-dir-times (-O) option, which will avoid updating + the modified time for directories when --times was specified. This option will avoid an extra pass through the file-list at the end of the transfer (to tweak all the directory times), which can result in an appreciable speedup for a really large transfer. (Promoted from @@ -150,7 +161,7 @@ Changes since 2.6.3: include/exclude processing remained 100% compatible with older versions. Protocol 29 is needed for full filter-rule support, but backward-compatible rules work with earlier protocol versions. - (Promoted from the patches dir.) + (Promoted from the patches dir and enhanced.) - Added the --delay-updates option that puts all updated files into a temporary directory (by default ".~tmp~", but settable via the @@ -164,8 +175,14 @@ Changes since 2.6.3: setting was added a couple releases ago, but left undocumented.) - The sender and the generator now double-check the file-list index - they are given, and refuse to operate on a directory index (since - that would indicate that something had gone very wrong). + they are given, and refuse to try to do a file transfer on a + non-file index (since that would indicate that something had gone + very wrong). + + - Added the --itemize-changes (-i) option, which is a way to output a + more detailed list of what files changed in any way and how they + changed. The effect is the same as specifying a --log-format of + "%i %n%L" (see the rsyncd.conf manpage). Works with --dry-run too. - Added the --fuzzy option, which attempts to find a basis file for a file that is being created from scratch. The current algorithm @@ -176,35 +193,44 @@ Changes since 2.6.3: it needs the new file-sorting order. (Promoted from patches dir and enhanced.) - SUPPORT FILES: + - Added the --remove-sent-files option, which lets you move files + between systems. - - 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. + - When building under windows, the default for --daemon is now to + avoid detaching, requiring the new --detach option to force rsync + to detach. - - 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. + - Improved the option descriptions in the --help text. + + SUPPORT FILES: - - 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 atomic-rsync to the support dir: 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/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. + - Added mnt-excl to the support dir: a perl script 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. - - Improved the option descriptions in the --help text. + - Added savetransfer.c to the support dir: 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 rrsync to the support dir: this is 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. INTERNAL: - Added better checking of the checksum-header values that come over the socket. - - Merged the various delete-file functions into a single function so + - Merged a variety of file-deleting functions into a single function so that it is easier to maintain. - Improved the type of some variables (particularly blocksize vars) for @@ -217,11 +243,23 @@ Changes since 2.6.3: - Defined int32 in a way that ensures that the build dies if we can't find a variable with at least 32 bits. + - The daemon's "read only" config item now sets an internal read_only + variable that makes extra sure that no write/delete calls on the + read-only side can succeed. + PROTOCOL DIFFERENCES FOR VERSION 29: - - If --inplace is specified, the generator sends an extra byte after - each index integer indicating what kind of basis file is being used - for the transfer (see the FNAMECMP_* defines). + - A 16-bit flag-word is transmitted after every file-list index. This + indicates what is changing between the sender and the receiver. The + generator now transmits an index and a flag-word to indicate when + dirs and symlinks have changed (instead of producing a message), + which makes the outputting of the information more consistent and + less prone to screen corruption (because either the receiver or the + sender is now outputting all the file-change info). + + - If --inplace is specified, the generator flags any transfer that is + using an alternate basis file so that the sender can use the entire + file in the rsync algorithm (unlike a normal --inplace update). - The sending of exclude names is done using filter-rule syntax. This means that all names have a prefixed rule indicator, even excludes @@ -230,27 +268,29 @@ Changes since 2.6.3: filter rules so it is positioned correctly (unlike in some older transfer scenarios). - - Rsync sorts the filename list in a different way: it sorts the - subdir names after the non-subdir names for each dir's contents, and - it always puts a dir's contents immediately after the dir's name in - the list. (Previously an item named "foo.txt" would sort in between + - Rsync sorts the filename list in a different way: it sorts the subdir + names after the non-subdir names for each dir's contents, and it + always puts a dir's contents immediately after the dir's name in the + list. (Previously an item named "foo.txt" would sort in between directory "foo/" and "foo/bar".) - When talking to a protocol 29 rsync daemon, a list-only request - is able to note this before the options are sent over the wire, and - the new --list-only option is enabled. + is able to note this before the options are sent over the wire and + the new --list-only option is included in the options. - When the --stats bytes are sent over the wire (or stored in a batch), they now include two elapsed-time values: one for how long it took to build the file-list, and one for how long it took to send it over the wire (each expressed in thousandths of a second). - - When --delete-excluded is specified with some filter rules (AKA - excludes), a client sender will still initiate a send of the filter - rules to the receiver, but it only includes those rules that are - receiver-specific. Older protocols used to omit the sending of - excludes in this situation (since there were no receiver-specific - rules that survived --delete-excluded back then). + - When --delete-excluded is specified with some filter excludes, a + client sender will now initiate a send of the filter rules to the + receiver (older protocols used to omit the sending of excludes in + this situation since there were no receiver-specific rules that + survived --delete-excluded back then). Note that, as with all the + filter-list sending, only items that are significant to the other + side will actually be sent over the wire, so the filter-rule list + is often empty in this scenario. - A protocol-29 batch file includes a bit for the setting of the --dirs option. Also, the shell script created by --write-batch will use the