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prezto/modules/rsync/init.zsh
Indrajit Raychaudhuri 788aa3d158 rsync: Check for new rsync before applying newer options
The newer options for extended attributes or file-flags got reliable
only after rsync v3.1.
2021-05-05 12:03:48 -05:00

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#
# Defines Rsync aliases.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# Return if requirements are not found.
if (( ! $+commands[rsync] )); then
return 1
fi
# Load dependencies.
pmodload 'helper'
#
# Aliases
#
_rsync_cmd='rsync --verbose --progress --human-readable --compress --archive \
--hard-links --one-file-system'
autoload -Uz is-at-least
if is-at-least 3.1 ${"$(rsync --version 2>&1)"[(w)3]}; then
# ACL and extended attributes support
if grep -q 'xattrs' <(rsync --help 2>&1); then
_rsync_cmd="${_rsync_cmd} --acls --xattrs"
fi
# macOS Enhancements
# https://bombich.com/kb/ccc5/credits
if is-darwin && grep -q 'file-flags' <(rsync --help 2>&1); then
_rsync_cmd="${_rsync_cmd} --crtimes --fileflags --force-change"
fi
fi
alias rsync-copy="${_rsync_cmd}"
alias rsync-move="${_rsync_cmd} --remove-source-files"
alias rsync-update="${_rsync_cmd} --update"
alias rsync-synchronize="${_rsync_cmd} --update --delete"
unset _rsync_cmd