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https://github.com/ilyakooo0/urbit.git
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b14606660a
OTAs commonly end up in an inconsistent state if apps depend on changes to /sys. For example, the %sift changes break on OTA because %spider needs to be reloaded so that it's aware of the new thread type. This adds a %goad app, which reloads all apps after every change to /sys. Getting this to start OTA is nontrivial, but this pattern should work for apps in the future. The changes to clock shouldn't generally be necessary; they are only necessary here because we can't rely on hood to start goad, since hood fails to compile if it's run before zuse is reloaded. Once goad is active, this will cease to be a problem.
224 lines
7.9 KiB
Plaintext
224 lines
7.9 KiB
Plaintext
:: :: ::
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:::: /hoon/hood/app :: ::
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:: :: ::
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/? 310 :: zuse version
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/- *sole
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/+ sole, :: libraries
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:: XX these should really be separate apps, as
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:: none of them interact with each other in
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:: any fashion; however, to reduce boot-time
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:: complexity and work around the current
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:: non-functionality of end-to-end acknowledgments,
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:: they have been bundled into :hood
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::
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:: |command handlers
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hood-helm, hood-kiln, hood-drum, hood-write
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:: :: ::
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:::: :: ::
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:: :: ::
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|%
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++ hood-module
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:: each hood module follows this general shape
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=> |%
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+$ part [%module %0 pith]
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+$ pith ~
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++ take
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|~ [wire sign-arvo]
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*(quip card:agent:gall part)
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++ take-agent
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|~ [wire gift:agent:gall]
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*(quip card:agent:gall part)
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++ poke
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|~ [mark vase]
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*(quip card:agent:gall part)
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--
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|= [bowl:gall own=part]
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|_ moz=(list card:agent:gall)
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++ abet [(flop moz) own]
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--
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--
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:: :: ::
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:::: :: :: state handling
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:: :: ::
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!:
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=> |% ::
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++ hood-old :: unified old-state
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{?($1 $2) lac/(map @tas hood-part-old)} ::
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++ hood-1 :: unified state
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{$2 lac/(map @tas hood-part)} ::
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++ hood-good :: extract specific
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=+ hed=$:hood-head
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|@ ++ $
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|: paw=$:hood-part
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?- hed
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$drum ?>(?=($drum -.paw) `part:hood-drum`paw)
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$helm ?>(?=($helm -.paw) `part:hood-helm`paw)
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$kiln ?>(?=($kiln -.paw) `part:hood-kiln`paw)
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$write ?>(?=($write -.paw) `part:hood-write`paw)
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==
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--
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++ hood-head _-:$:hood-part :: initialize state
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++ hood-make ::
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=+ $:{our/@p hed/hood-head} ::
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|@ ++ $
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?- hed
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$drum (make:hood-drum our)
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$helm *part:hood-helm
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$kiln *part:hood-kiln
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$write *part:hood-write
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==
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--
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++ hood-part-old hood-part :: old state for ++prep
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++ hood-port :: state transition
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|: paw=$:hood-part-old ^- hood-part ::
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paw ::
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:: ::
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++ hood-part :: current module state
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$% {$drum $2 pith-2:hood-drum} ::
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{$helm $0 pith:hood-helm} ::
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{$kiln $0 pith:hood-kiln} ::
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{$write $0 pith:hood-write} ::
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== ::
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-- ::
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:: :: ::
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:::: :: :: app proper
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:: :: ::
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^- agent:gall
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=| hood-1 :: module states
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=> |%
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++ help
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|= hid/bowl:gall
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|%
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++ able :: find+make part
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=+ hed=$:hood-head
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|@ ++ $
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=+ rep=(~(get by lac) hed)
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=+ par=?^(rep u.rep `hood-part`(hood-make our.hid hed))
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((hood-good hed) par)
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--
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::
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++ ably :: save part
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=+ $:{(list) hood-part}
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|@ ++ $
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[+<- (~(put by lac) +<+< +<+)]
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--
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:: :: ::
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:::: :: :: generic handling
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:: :: ::
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++ prep
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|= old/(unit hood-old) ^- (quip _!! _+>)
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:- ~
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?~ old +>
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+>(lac (~(run by lac.u.old) hood-port))
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::
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++ poke-hood-load :: recover lost brain
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|= dat/hood-part
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?> =(our.hid src.hid)
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~& loaded+-.dat
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[~ (~(put by lac) -.dat dat)]
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::
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::
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++ from-module :: create wrapper
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|* _[identity=%module start=..$ finish=_abet]:(hood-module)
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=- [wrap=- *start] :: usage (wrap handle-arm):from-foo
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|* handle/_finish
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|= a=_+<.handle
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=. +>.handle (start hid (able identity))
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^- (quip card:agent:gall _lac)
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%- ably
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^- (quip card:agent:gall hood-part)
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(handle a)
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:: per-module interface wrappers
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++ from-drum (from-module %drum [..$ _se-abet]:(hood-drum))
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++ from-helm (from-module %helm [..$ _abet]:(hood-helm))
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++ from-kiln (from-module %kiln [..$ _abet]:(hood-kiln))
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++ from-write (from-module %write [..$ _abet]:(hood-write))
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--
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--
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|_ hid/bowl:gall :: gall environment
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++ on-init
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`..on-init
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::
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++ on-save
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!>([%2 lac])
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::
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++ on-load
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|= =old-state=vase
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=/ old-state !<(hood-old old-state-vase)
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=^ cards lac
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=. lac lac.old-state
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?. ?=(%1 -.old-state)
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`lac
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((wrap on-load):from-drum:(help hid) %1)
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[cards ..on-init]
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::
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++ on-poke
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|= [=mark =vase]
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^- (quip card:agent:gall agent:gall)
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=/ h (help hid)
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=^ cards lac
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?: =(%helm (end 3 4 mark))
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((wrap poke):from-helm:h mark vase)
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?: =(%drum (end 3 4 mark))
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((wrap poke):from-drum:h mark vase)
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?: =(%kiln (end 3 4 mark))
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((wrap poke):from-kiln:h mark vase)
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?: =(%write (end 3 5 mark))
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((wrap poke):from-write:h mark vase)
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:: XX should rename and move to libs
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::
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?+ mark ~|([%poke-hood-bad-mark mark] !!)
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%hood-load (poke-hood-load:h !<(hood-part vase))
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%atom ((wrap poke-atom):from-helm:h !<(@ vase))
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%dill-belt ((wrap poke-dill-belt):from-drum:h !<(dill-belt:dill vase))
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%dill-blit ((wrap poke-dill-blit):from-drum:h !<(dill-blit:dill vase))
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%hood-sync ((wrap poke-sync):from-kiln:h !<([desk ship desk] vase))
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==
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[cards ..on-init]
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::
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++ on-watch
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|= =path
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=/ h (help hid)
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=^ cards lac
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?+ path ~|([%hood-bad-path wire] !!)
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[%drum *] ((wrap peer):from-drum:h t.path)
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==
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[cards ..on-init]
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::
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++ on-leave
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|= path
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`..on-init
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::
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++ on-peek
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|= path
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*(unit (unit cage))
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::
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++ on-agent
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|= [=wire =sign:agent:gall]
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=/ h (help hid)
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=^ cards lac
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?+ wire ~|([%hood-bad-wire wire] !!)
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[%helm *] ((wrap take-agent):from-helm:h wire sign)
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[%kiln *] ((wrap take-agent):from-kiln:h wire sign)
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[%drum *] ((wrap take-agent):from-drum:h wire sign)
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[%write *] ((wrap take-agent):from-write:h wire sign)
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==
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[cards ..on-init]
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::
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++ on-arvo
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|= [=wire =sign-arvo]
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=/ h (help hid)
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=^ cards lac
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?+ wire ~|([%hood-bad-wire wire] !!)
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[%helm *] ((wrap take):from-helm:h t.wire sign-arvo)
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[%drum *] ((wrap take):from-drum:h t.wire sign-arvo)
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[%kiln *] ((wrap take-general):from-kiln:h t.wire sign-arvo)
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[%write *] ((wrap take):from-write:h t.wire sign-arvo)
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==
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[cards ..on-init]
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::
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++ on-fail
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|= [term tang]
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`..on-init
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--
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