zimfw/src/stage2/28_zimfw_mv.zsh.erb

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_zimfw_mv() {
local -a cklines
if cklines=(${(f)"$(command cksum ${1} ${2} 2>/dev/null)"}) && \
[[ ${${(z)cklines[1]}[1,2]} == ${${(z)cklines[2]}[1,2]} ]]; then
_zimfw_print -R $'<%= okay %><%= bold %>'${2}$':<%= normal %> Already up to date'
else
if [[ -e ${2} ]]; then
command mv -f ${2}{,.old} || return 1
fi
command mv -f ${1} ${2} && _zimfw_print -R $'<%= okay %><%= bold %>'${2}$':<%= normal %> Updated.'${_zrestartmsg}
fi
}