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|
#compdef btrfs
local curcontext="$curcontext" curstate state line expl grp cmd ret=1
local -a groups args
groups=( subvolume filesystem device scrub balance inspect-internal help version )
cmds_1=( create delete list snapshot get-default set-default find-new help )
cmds_2=( df show sync defragment resize label balance help )
cmds_3=( add delete scan help )
cmds_4=( start cancel resume status help )
cmds_5=( start pause cancel resume status )
cmds_6=( inode-resolve logical-resolve help )
[[ $words[2] = h(|e(|l(|p))) ]] && args=( '--full[display detailed help]' )
_arguments -C "$args[@]" \
'(- *)--help[print help information]' \
'(- *)--version[print version information]' \
'(--version)1: :->groups' \
'2: :->cmds' \
'*:: :->args' && ret=0
while (( $#state )); do
curstate=$state
shift state
case $curstate in
groups)
_wanted command-groups expl 'btrfs command group' compadd -a groups && ret=0
;;
cmds)
: $words
local grp=${groups[(i)$words[2]*]}
: $grp
(( grp && grp < 7 )) || return 1
curcontext="${curcontext%:*:*}:$service-${groups[grp]}:"
_wanted commands expl command compadd -a cmds_$grp && ret=0
;;
args)
: $words
local grp=${groups[(i)$words[1]*]}
(( grp && grp < 7 )) || return 1
local group=cmds_$grp
local cmd=${${(P)group}[(i)$words[2]*]}
(( cmd )) || return 1
curcontext="${curcontext%:*:*}:$service-${groups[grp]}-${${(P)group}[cmd]}:"
args=( '(-)--help[print help information]' )
case ${groups[grp]}:${${(P)group}[cmd]} in
filesystem:balance)
if (( CURRENT == 3 )); then
state+=cmds
else
shift words
(( CURRENT-- ))
state+=args
fi
continue
;;
subvolume:create) args+=( '1:destination:->mounts' );;
subvolume:delete) args+=( '1:subvolume:_files -/' );;
subvolume:snapshot) args+=( '-r[readonly snapshot]' '1:snapshot:_files -/' );;
subvolume:list) args+=( '-p[include parent ID in output]' '1:path:->mounts' );;
subvolume:set-default) args+=( '1:id:_guard "[0-9]#" id' '2:path:->mounts' );;
filesystem:resize) args+=( '1:size:_guart "(|+|-)[0-9]#[GKM]"' '2:path:->mounts' );;
filesystem:defragment)
args+=(
'-v[verbose]'
'-c[compress files while defragmenting]'
'-f[flush after defragmenting]'
'-s[start position]:byte position'
'-l[defragment limited number of bytes]:length (bytes)'
'-t[defragment only files over a certain size]:minimum size (bytes)'
'*:file:_files'
)
;;
filesystem:label) args+=( '1:device:_files -g "*(d)"' '2:label' );;
filesystem:show) args+=( '(1 -)--all-devices[scan all devices in /dev]' '1: :_guard "^-*" uuid or label' );;
device:(add|delete)) args+=( '1:device:_files -g "*(d)"' '2:path:->mounts' );;
device:scan) args+=( '(1 -)--all-devices[scan all devices in /dev]' '1:device:_files -g "*(d)"' );;
scrub:(start|resume))
args+=(
"-B[don't background and print statistics at end]"
'-d[print separate statistics for each device]'
'-q[omit error message and statistics]'
'-r[read only mode]'
'-u[scrub unused space too]'
'1:path or device:_files'
)
;;
scrub:cancel) args+=( '1:path or device' );;
scrub:status) args+=( '-d[separate statistics for each device]' '1:path or device:_files' );;
balance:start)
args+=(
'(-m -s)-d+[act on data chunks]:filter:->filters'
'(-d -s)-m+[act on metadata chunks]:filter:->filters'
'(-d -m)-s+[act on system chunks (only under -f)]:filters:->filters'
'-v[verbose mode]'
'-f[force reducing of metadata integrity]'
'1:path:_files -/'
)
;;
balance:status) args+=( '-v[verbose mode]' '2:path:_files -/' );;
balance:(pause|cancel|resume)) args+=( '2:path:_files -/' );;
inspect*:inode*) args+=( '-v[verbose mode]' '1:inode:_files' '2:path:_files -/' );;
inspect*:logical*)
args+=(
'-v[verbose mode]'
'-P[skip the path resolving and print the inodes instead]'
'1:logical address:_files'
'2:filesystem path:_files -/'
)
;;
subvolume:get-default) ;&
*:sync) ;&
*:df) args+=( '1:path:->mounts' );;
*) args+=( '*: :_default' );; # fallback for unknown subcommands
esac
shift words
(( CURRENT-- ))
_arguments -C "$args[@]" && ret=0
;;
mounts)
_wanted mount-points expl 'mount point' compadd \
${${${(M)${(f)"$(</etc/mtab)"}:#*btrfs*}#* }%% *} && ret=0
;;
filters)
state=()
_values -s , filter \
'profiles[balance only block groups in given replication profiles]:profile:->profiles' \
'usage[balance block groups with usage below percentage]:percentage' \
'devid[limit by device ID]:device ID' \
'drange[balance block groups overlapping byte range]:range' \
'vrange[balance block groups overlapping byte range in virtual address space]:range' \
'convert[convert block groups to given profile]:profile:->profiles' \
'soft[leave chunks that already have target profile]' && ret=0
state=( $state )
;;
profiles)
compset -P '*\|'
_values -s ',' profile raid0 raid1 raid10 dup single && ret=0
;;
esac
done
return ret
|
