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#compdef crontab
# Notes:
# - We assume a cronie-, dcron-, or Vixie-esque crontab
# - BusyBox crontab is forked from dcron
# - Generally only the super-user can use -c/-u; we aren't that restrictive
# - @todo As usual, BusyBox multi-call isn't handled
local variant sluser
local -a args etargs ccargs clargs rcargs aopts
_pick_variant -r variant \
dcron='-c*(#i)dir' \
cronie-selinux='(#i)selinux' \
cronie='(#i)cluster' \
unix --help
variant+=-$OSTYPE
# On Solaris, instead of using -u, the user can be specified as an optional
# first operand with -e/-l/-r. We'll treat it as an optional *argument* to one
# of those options, though, since the logic is a bit simpler
if [[ $variant == *-solaris* ]]; then
sluser='::user whose crontab to work with:_users'
else
etargs+=( '(cl)-u+[specify user whose crontab to work with]: :_users' )
fi
case $variant in
dcron-*)
etargs+=( '-c+[specify crontab directory]:crontab directory:_directories' )
;;
cronie-selinux-*)
ccargs+=( '(-l cl nc rc)-s[append SELinux context (with -e)]' )
;& # FALL THROUGH
cronie-*)
etargs+=( '(: * -)-V[display version information]' )
clargs+=(
'(: * -)-c[display cluster host]'
'(: * -)-n+[specify cluster host]: :_hosts'
)
;& # FALL THROUGH
*-linux*)
rcargs+=( '(cc cl nc)-i[prompt for confirmation (with -r)]' )
;;
*-freebsd*)
rcargs+=( '(cc cl nc)-f[bypass confirmation prompt (with -r)]' )
;;
esac
(( $#etargs )) && args+=( + et $etargs ) # Misc.
(( $#clargs )) && args+=( + cl $clargs ) # Work with cluster
args+=(
+ nc # Install new crontab
'(cc cl rc sl):crontab to install:_files'
+ cc # Edit/display current crontab
"(-l cl nc rc)-e[edit current crontab]$sluser"
"(-e -s cl nc rc)-l[display current crontab]$sluser"
$ccargs
+ rc # Remove current crontab
"(cc cl nc)-r[remove current crontab]$sluser"
$rcargs
)
# Implementations that use GNU's getopt(3) probably support permutation; this
# should be accurate enough
[[ $OSTYPE == linux* ]] || aopts=( -A '-*' )
_arguments -s -S $aopts : $args
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