用rsync同步, 將A取代B

指令介紹:
想要將A的更新部分,取代B裡舊有的檔案
略過目錄為.git (exclude)

rsync -rilcogp --exclude=".git" forder_A forder_B

1	rsync -rilcogp --exclude=".git" forder_A forder_B

首先看一下Linux裡面的說明:

root@ubuntu:~/# <strong>rsync --help</strong>
rsync  version 3.0.9  protocol version 30
Copyright (C) 1996-2011 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
Capabilities:
    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,
    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
    append, ACLs, xattrs, iconv, symtimes

rsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you
are welcome to redistribute it under certain conditions.  See the GNU
General Public Licence for details.

rsync is a file transfer program capable of efficient remote update
via a fast differencing algorithm.

Usage: rsync [OPTION]... SRC [SRC]... DEST
  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST
  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST
  or   rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST
  or   rsync [OPTION]... [USER@]HOST:SRC [DEST]
  or   rsync [OPTION]... [USER@]HOST::SRC [DEST]
  or   rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]
The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect
to an rsync daemon, and require SRC or DEST to start with a module name.

Options
 -v, --verbose               increase verbosity
 -q, --quiet                 suppress non-error messages
     --no-motd               suppress daemon-mode MOTD (see manpage caveat)
 -c, --checksum              skip based on checksum, not mod-time & size
 -a, --archive               archive mode; equals -rlptgoD (no -H,-A,-X)
     --no-OPTION             turn off an implied OPTION (e.g. --no-D)
 -r, --recursive             recurse into directories
 -R, --relative              use relative path names
     --no-implied-dirs       don't send implied dirs with --relative
 -b, --backup                make backups (see --suffix & --backup-dir)
     --backup-dir=DIR        make backups into hierarchy based in DIR
     --suffix=SUFFIX         set backup suffix (default ~ w/o --backup-dir)
 -u, --update                skip files that are newer on the receiver
     --inplace               update destination files in-place (SEE MAN PAGE)
     --append                append data onto shorter files
     --append-verify         like --append, but with old data in file checksum
 -d, --dirs                  transfer directories without recursing
 -l, --links                 copy symlinks as symlinks
 -L, --copy-links            transform symlink into referent file/dir
     --copy-unsafe-links     only "unsafe" symlinks are transformed
     --safe-links            ignore symlinks that point outside the source tree
 -k, --copy-dirlinks         transform symlink to a dir into referent dir
 -K, --keep-dirlinks         treat symlinked dir on receiver as dir
 -H, --hard-links            preserve hard links
 -p, --perms                 preserve permissions
 -E, --executability         preserve the file's executability
     --chmod=CHMOD           affect file and/or directory permissions
 -A, --acls                  preserve ACLs (implies --perms)
 -X, --xattrs                preserve extended attributes
 -o, --owner                 preserve owner (super-user only)
 -g, --group                 preserve group
     --devices               preserve device files (super-user only)
     --specials              preserve special files
 -D                          same as --devices --specials
 -t, --times                 preserve modification times
 -O, --omit-dir-times        omit directories from --times
     --super                 receiver attempts super-user activities
     --fake-super            store/recover privileged attrs using xattrs
 -S, --sparse                handle sparse files efficiently
 -n, --dry-run               perform a trial run with no changes made
 -W, --whole-file            copy files whole (without delta-xfer algorithm)
 -x, --one-file-system       don't cross filesystem boundaries
 -B, --block-size=SIZE       force a fixed checksum block-size
 -e, --rsh=COMMAND           specify the remote shell to use
     --rsync-path=PROGRAM    specify the rsync to run on the remote machine
     --existing              skip creating new files on receiver
     --ignore-existing       skip updating files that already exist on receiver
     --remove-source-files   sender removes synchronized files (non-dirs)
     --del                   an alias for --delete-during
     --delete                delete extraneous files from destination dirs
     --delete-before         receiver deletes before transfer, not during
     --delete-during         receiver deletes during the transfer
     --delete-delay          find deletions during, delete after
     --delete-after          receiver deletes after transfer, not during
     --delete-excluded       also delete excluded files from destination dirs
     --ignore-errors         delete even if there are I/O errors
     --force                 force deletion of directories even if not empty
     --max-delete=NUM        don't delete more than NUM files
     --max-size=SIZE         don't transfer any file larger than SIZE
     --min-size=SIZE         don't transfer any file smaller than SIZE
     --partial               keep partially transferred files
     --partial-dir=DIR       put a partially transferred file into DIR
     --delay-updates         put all updated files into place at transfer's end
 -m, --prune-empty-dirs      prune empty directory chains from the file-list
     --numeric-ids           don't map uid/gid values by user/group name
     --timeout=SECONDS       set I/O timeout in seconds
     --contimeout=SECONDS    set daemon connection timeout in seconds
 -I, --ignore-times          don't skip files that match in size and mod-time
     --size-only             skip files that match in size
     --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
     --compare-dest=DIR      also compare destination files relative to DIR
     --copy-dest=DIR         ... and include copies of unchanged files
     --link-dest=DIR         hardlink to files in DIR when unchanged
 -z, --compress              compress file data during the transfer
     --compress-level=NUM    explicitly set compression level
     --skip-compress=LIST    skip compressing files with a suffix in LIST
 -C, --cvs-exclude           auto-ignore files the same way CVS does
 -f, --filter=RULE           add a file-filtering RULE
 -F                          same as --filter='dir-merge /.rsync-filter'
                             repeated: --filter='- .rsync-filter'
     --exclude=PATTERN       exclude files matching PATTERN
     --exclude-from=FILE     read exclude patterns from FILE
     --include=PATTERN       don't exclude files matching PATTERN
     --include-from=FILE     read include patterns from FILE
     --files-from=FILE       read list of source-file names from FILE
 -0, --from0                 all *-from/filter files are delimited by 0s
 -s, --protect-args          no space-splitting; only wildcard special-chars
     --address=ADDRESS       bind address for outgoing socket to daemon
     --port=PORT             specify double-colon alternate port number
     --sockopts=OPTIONS      specify custom TCP options
     --blocking-io           use blocking I/O for the remote shell
     --stats                 give some file-transfer stats
 -8, --8-bit-output          leave high-bit chars unescaped in output
 -h, --human-readable        output numbers in a human-readable format
     --progress              show progress during transfer
 -P                          same as --partial --progress
 -i, --itemize-changes       output a change-summary for all updates
     --out-format=FORMAT     output updates using the specified FORMAT
     --log-file=FILE         log what we're doing to the specified FILE
     --log-file-format=FMT   log updates using the specified FMT
     --password-file=FILE    read daemon-access password from FILE
     --list-only             list the files instead of copying them
     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second
     --write-batch=FILE      write a batched update to FILE
     --only-write-batch=FILE like --write-batch but w/o updating destination
     --read-batch=FILE       read a batched update from FILE
     --protocol=NUM          force an older protocol version to be used
     --iconv=CONVERT_SPEC    request charset conversion of filenames
 -4, --ipv4                  prefer IPv4
 -6, --ipv6                  prefer IPv6
     --version               print version number
(-h) --help                  show this help (-h is --help only if used alone)

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root@ubuntu:~/# <strong>rsync --help</strong>

rsync version 3.0.9 protocol version 30

Web site: http://rsync.samba.org/

Capabilities:

64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,

socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,

append, ACLs, xattrs, iconv, symtimes

rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you

are welcome to redistribute it under certain conditions. See the GNU

General Public Licence for details.

rsync is a file transfer program capable of efficient remote update

via a fast differencing algorithm.

Usage: rsync [OPTION]... SRC [SRC]... DEST

or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST

or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST

or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST

or rsync [OPTION]... [USER@]HOST:SRC [DEST]

or rsync [OPTION]... [USER@]HOST::SRC [DEST]

or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]

The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect

to an rsync daemon, and require SRC or DEST to start with a module name.

Options

-v, --verbose increase verbosity

-q, --quiet suppress non-error messages

--no-motd suppress daemon-mode MOTD (see manpage caveat)

-c, --checksum skip based on checksum, not mod-time & size

-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)

--no-OPTION turn off an implied OPTION (e.g. --no-D)

-r, --recursive recurse into directories

-R, --relative use relative path names

--no-implied-dirs don't send implied dirs with --relative

-b, --backup make backups (see --suffix & --backup-dir)

--backup-dir=DIR make backups into hierarchy based in DIR

--suffix=SUFFIX set backup suffix (default ~ w/o --backup-dir)

-u, --update skip files that are newer on the receiver

--inplace update destination files in-place (SEE MAN PAGE)

--append append data onto shorter files

--append-verify like --append, but with old data in file checksum

-d, --dirs transfer directories without recursing

-l, --links copy symlinks as symlinks

-L, --copy-links transform symlink into referent file/dir

--copy-unsafe-links only "unsafe" symlinks are transformed

--safe-links ignore symlinks that point outside the source tree

-k, --copy-dirlinks transform symlink to a dir into referent dir

-K, --keep-dirlinks treat symlinked dir on receiver as dir

-H, --hard-links preserve hard links

-p, --perms preserve permissions

-E, --executability preserve the file's executability

--chmod=CHMOD affect file and/or directory permissions

-A, --acls preserve ACLs (implies --perms)

-X, --xattrs preserve extended attributes

-o, --owner preserve owner (super-user only)

-g, --group preserve group

--devices preserve device files (super-user only)

--specials preserve special files

-D same as --devices --specials

-t, --times preserve modification times

-O, --omit-dir-times omit directories from --times

--super receiver attempts super-user activities

--fake-super store/recover privileged attrs using xattrs

-S, --sparse handle sparse files efficiently

-n, --dry-run perform a trial run with no changes made

-W, --whole-file copy files whole (without delta-xfer algorithm)

-x, --one-file-system don't cross filesystem boundaries

-B, --block-size=SIZE force a fixed checksum block-size

-e, --rsh=COMMAND specify the remote shell to use

--rsync-path=PROGRAM specify the rsync to run on the remote machine

--existing skip creating new files on receiver

--ignore-existing skip updating files that already exist on receiver

--remove-source-files sender removes synchronized files (non-dirs)

--del an alias for --delete-during

--delete delete extraneous files from destination dirs

--delete-before receiver deletes before transfer, not during

--delete-during receiver deletes during the transfer

--delete-delay find deletions during, delete after

--delete-after receiver deletes after transfer, not during

--delete-excluded also delete excluded files from destination dirs

--ignore-errors delete even if there are I/O errors

--force force deletion of directories even if not empty

--max-delete=NUM don't delete more than NUM files

--max-size=SIZE don't transfer any file larger than SIZE

--min-size=SIZE don't transfer any file smaller than SIZE

--partial keep partially transferred files

--partial-dir=DIR put a partially transferred file into DIR

--delay-updates put all updated files into place at transfer's end

-m, --prune-empty-dirs prune empty directory chains from the file-list

--numeric-ids don't map uid/gid values by user/group name

--timeout=SECONDS set I/O timeout in seconds

--contimeout=SECONDS set daemon connection timeout in seconds

-I, --ignore-times don't skip files that match in size and mod-time

--size-only skip files that match in size

--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

--compare-dest=DIR also compare destination files relative to DIR

--copy-dest=DIR ... and include copies of unchanged files

--link-dest=DIR hardlink to files in DIR when unchanged

-z, --compress compress file data during the transfer

--compress-level=NUM explicitly set compression level

--skip-compress=LIST skip compressing files with a suffix in LIST

-C, --cvs-exclude auto-ignore files the same way CVS does

-f, --filter=RULE add a file-filtering RULE

-F same as --filter='dir-merge /.rsync-filter'

repeated: --filter='- .rsync-filter'

--exclude=PATTERN exclude files matching PATTERN

--exclude-from=FILE read exclude patterns from FILE

--include=PATTERN don't exclude files matching PATTERN

--include-from=FILE read include patterns from FILE

--files-from=FILE read list of source-file names from FILE

-0, --from0 all *-from/filter files are delimited by 0s

-s, --protect-args no space-splitting; only wildcard special-chars

--address=ADDRESS bind address for outgoing socket to daemon

--port=PORT specify double-colon alternate port number

--sockopts=OPTIONS specify custom TCP options

--blocking-io use blocking I/O for the remote shell

--stats give some file-transfer stats

-8, --8-bit-output leave high-bit chars unescaped in output

-h, --human-readable output numbers in a human-readable format

--progress show progress during transfer

-P same as --partial --progress

-i, --itemize-changes output a change-summary for all updates

--out-format=FORMAT output updates using the specified FORMAT

--log-file=FILE log what we're doing to the specified FILE

--log-file-format=FMT log updates using the specified FMT

--password-file=FILE read daemon-access password from FILE

--list-only list the files instead of copying them

--bwlimit=KBPS limit I/O bandwidth; KBytes per second

--write-batch=FILE write a batched update to FILE

--only-write-batch=FILE like --write-batch but w/o updating destination

--read-batch=FILE read a batched update from FILE

--protocol=NUM force an older protocol version to be used

--iconv=CONVERT_SPEC request charset conversion of filenames

-4, --ipv4 prefer IPv4

-6, --ipv6 prefer IPv6

--version print version number

(-h) --help show this help (-h is --help only if used alone)

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