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#compdef df
local context state state_descr line args spec
local -A opt_args
if _pick_variant gnu=GNU unix --version; then
args=(
'(-B --block-size -k)'{-B+,--block-size=}'[specify block size]:size (bytes)'
'(-B --block-size -k)-k[like --block-size=1K]'
'(-P --portability)'{-P,--portability}'[use the POSIX output format]'
'(-h --human-readable -H --si)'{-h,--human-readable}'[print sizes in human readable format]'
'(-h --human-readable -H --si)'{-H,--si}'[human readable fomat, but use powers of 1000 not 1024]'
'(-i --inodes)'{-i,--inodes}'[list inode information instead of block usage]'
'--total[produce a grand total]'
'(-T --print-type)'{-T,--print-type}'[print file system type]'
'(-a --all)'{-a,--all}'[include dummy file systems]'
'(-l --local)'{-l,--local}'[limit listing to local file systems]'
'*'{-t+,--type=}'[limit listing to file systems of specified type]:file system type:_file_systems'
'*'{-x+,--exclude-type=}'[exclude file systems of specified type]:file system type:_file_systems'
'(--no-sync)--sync[invoke sync before getting usage info]'
'(--sync)--no-sync[do not invoke sync before getting usage info (default)]'
'-v[(ignored)]'
'(- : *)--help[display help and exit]'
'(- : *)--version[output version information and exit]'
'*:files:_files'
)
elif [[ "$OSTYPE" == (darwin|freebsd|dragonfly)* ]]; then
args=(
'(-b -g -H -h -k -m)-b[use 512-byte blocks (default)]'
'(-b -g -H -h -k -m)-g[use 1024^3-byte blocks]'
'(-b -g -H -h -k -m)-H[human-readable output (base 10)]'
'(-b -g -H -h -k -m)-h[human-readable output (base 2)]'
'(-b -g -H -h -k -m)-k[use 1024-byte blocks]'
'(-b -g -H -h -k -m)-m[use 1024*1024-byte blocks]'
'-P[POSIX compliant output]'
'-a[show all mount points]'
'-i[include inode usage statistics (default)]'
'-l[only display locally-mounted file systems]'
'-n[use previously obtained statistics]'
'*:files:_files'
)
spec='[only display file systems of specified types]:file system type:->fslist'
case "$OSTYPE" in
(darwin*)
args+=(
"-T+$spec"
# '-t[same as -T (obsolete)]:file system type:->fslist'
)
;;
(freebsd*|dragonfly*)
args+=( "-t+$spec" '-T[include file system type]' )
;;
esac
else
# POSIX
args=(
'-k[use 1024-byte blocks]'
'-P[POSIX compliant output]'
'-t[include total allocated-space figures in the output]'
'*:files:_files'
)
fi
_arguments -s -S : $args && return 0
case "$state" in
(fslist)
local -a fsys used pre disp expl
_file_systems -U -O fsys
pre=$IPREFIX
# offer 'no' only if at the beginning of the list
if ! compset -P '*,' && ! compset -P 'no'; then
disp=( 'no -- exclude file system types in the list' )
_wanted list-prefix expl 'prefix to list' compadd -d disp 'no'
fi
used=( ${(s:,:)${${IPREFIX#$pre}#no}} )
_wanted fsys-types expl "$state_descr" compadd -qS , -F used -a fsys
;;
esac
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