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#compdef mt
local -a args cmds
local state line curcontext="$curcontext" ret=1
args=( '(-)-f[specify raw tape device]:tape device:_files' )
cmds=(
{eof,weof}':write specified number of EOF marks at current position'
'fsf:forward space by specified number of files'
'fsr:forward space by specified number of records'
'bsf:backward space by specified number of files'
'bsr:backward space by specified number of records'
'asf:absolute space to specified file number'
'eom:go to end of recorded media on the tape'
'rewind:rewind the tape'
{offline,rewoffl}':rewind and unload the tape'
'status:print status information about the tape unit'
'retension:rewind, wind to end of reel, rewind again - smoothes tape tension'
'erase:erase the tape'
)
if _pick_variant gnu=GNU unix --version; then
args=(
'(1 2 -)'{-V,--version}'[print version info]'
'(1 2 -)--help[display usage info]'
'(-V --version --help -f --file)'{-f,--file=}'[specify raw tape device]:tape device:_files'
'(-V --version --help)--rsh-command=[specify remote shell command]:rsh command:_command_names -e'
)
# should really allow remote user@host for tape device
cmds+=(
'bsfm:backward space by specified number of file marks'
'fsfm:forward space by specified number of file marks'
'fss:forward space by specified number of setmarks'
'bss:backward space by specified number of setmarks'
'wset:write specified number of setmarks at current position'
{eod,seod}':space to end of valid data'
'setblk:set drive block size'
'setdensity:set tape density code'
'drvbuffer:set drive buffer code'
'stoptions:set driver option bits'
'stwrthreshold:set device write threshold'
'seek:seek to specified block'
'tell:tell the current block on tape'
'densities:explain some common density codes'
'datcompression:enquire or set compression status'
)
elif [[ $OSTYPE = (freebsd|dragonfly)* ]]; then
cmds=( ${cmds:#(asf|eof):*}
'smk:write specified number of setmarks at current position'
'fss:forward space by specified number of setmarks'
'bss:backward space by specified number of setmarks'
'rdhpos:read hardware block position'
'rdspos:read SCSI logical block position'
'sethpos:set hardware block position'
'setspos:set SCSI logical block position'
'errstat:print error status info about device'
'blocksize:set drive block size'
'density:set tape density code'
'geteotmodel:print the current EOT filemark model'
'seteotmodel:set the current EOT filemark model'
'eod:go to end of recorded media on the tape'
'comp:set compression mode'
)
elif [[ $OSTYPE = solaris* ]]; then
cmds+=(
'nbsf:back space by specified number of files positioning at file start'
'reserve:allow drive to remain reserved after close until explicit release'
'release:re-establish release at close behaviour'
)
if (( ! EUID )); then
cmds+=( 'forcereserve:break reservation of tape drive held by other host' )
fi
fi
_arguments -C "$args[@]" '(--help --version -V)1:operation:->operation' \
'2:count:' && ret=0
[[ -n "$state" ]] && _describe -t operations 'operation' cmds && ret=0
return ret
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