mirror of
https://github.com/ilyakooo0/urbit.git
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350 lines
9.5 KiB
Plaintext
350 lines
9.5 KiB
Plaintext
:: metadata-store: data store for application metadata and mappings
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:: between groups and resources within applications
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::
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:: group-paths are expected to be an existing group path
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:: resources are expected to correspond to existing app paths
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::
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:: note: when scrying for metadata, to make the arguments safe in paths,
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:: encode group-path and app-path using (scot %t (spat group-path))
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::
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:: +watch paths:
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:: /all assocations + updates
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:: /updates just updates
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:: /app-name/%app-name specific app's associations + updates
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::
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:: +peek paths:
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:: /associations all associations
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:: /group-indices all group indices
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:: /app-indices all app indices
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:: /resource-indices all resource indices
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:: /metadata/%group-path/%app-name/%app-path specific metadatum
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:: /app-name/%app-name associations for app
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:: /group/%group-path associations for group
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::
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/- *metadata-store, *metadata-hook
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/+ *metadata-json, default-agent, verb, dbug, resource
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|%
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+$ card card:agent:gall
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::
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::
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+$ state-base
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$: =associations
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group-indices=(jug group-path md-resource)
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app-indices=(jug app-name [group-path app-path])
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resource-indices=(jug md-resource group-path)
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==
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::
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+$ state-zero
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$: %0
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state-base
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==
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::
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+$ state-one
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$: %1
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state-base
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==
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::
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+$ state-two
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$: %2
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state-base
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==
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::
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+$ versioned-state
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$% state-zero
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state-one
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state-two
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==
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--
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::
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=| state-two
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=* state -
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%+ verb |
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%- agent:dbug
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^- agent:gall
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=<
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|_ =bowl:gall
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+* this .
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metadata-core +>
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mc ~(. metadata-core bowl)
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def ~(. (default-agent this %|) bowl)
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::
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++ on-init on-init:def
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++ on-save !>(state)
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++ on-load
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|= =vase
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^- (quip card _this)
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=/ old
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!<(versioned-state vase)
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=| cards=(list card)
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|-
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|^
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?: ?=(%2 -.old)
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[cards this(state old)]
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?: ?=(%1 -.old)
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%_ $
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old [%2 +.old]
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::
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cards
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%+ turn
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~(tap in ~(key by group-indices.old))
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|= =group-path
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^- card
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=/ rid=resource
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(de-path:resource group-path)
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?: =(our.bowl entity.rid)
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(poke-md-hook %add-owned group-path)
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(poke-md-hook %add-synced entity.rid group-path)
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==
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=/ new-state=state-one
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%* . *state-one
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associations (migrate-associations associations.old)
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group-indices (migrate-group-indices group-indices.old)
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app-indices (migrate-app-indices app-indices.old)
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resource-indices (migrate-resource-indices resource-indices.old)
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==
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$(old new-state)
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::
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++ poke-md-hook
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|= act=metadata-hook-action
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^- card
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=/ =cage
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:_ !>(act)
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%metadata-hook-action
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[%pass / %agent [our.bowl %metadata-hook] %poke cage]
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::
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++ new-group-path
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|= =group-path
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ship+(new-app-path group-path)
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++ new-app-path
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|= =app-path
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^- path
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?> ?=(^ app-path)
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?: =('~' i.app-path)
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t.app-path
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app-path
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::
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++ migrate-md-resource
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|= md-resource
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^- md-resource
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?: =(%chat app-name)
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[%chat (new-app-path app-path)]
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?: =(%contacts app-name)
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[%contacts ship+app-path]
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[app-name app-path]
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::
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++ migrate-resource-indices
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|= resource-indices=(jug md-resource group-path)
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^- (jug md-resource group-path)
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%- malt
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%+ turn
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~(tap by resource-indices)
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|= [=md-resource paths=(set group-path)]
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:_ (~(run in paths) new-group-path)
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(migrate-md-resource md-resource)
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::
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++ migrate-app-indices
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|= app-indices=(jug app-name [group-path app-path])
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%- malt
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%+ turn
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~(tap by app-indices)
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|= [app=term indices=(set [=group-path =app-path])]
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:- app
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%- ~(run in indices)
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|= [=group-path =app-path]
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:- (new-group-path group-path)
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?: =(%chat app)
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(new-app-path app-path)
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?: =(%contacts app)
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ship+app-path
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app-path
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::
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++ migrate-group-indices
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|= group-indices=(jug group-path md-resource)
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%- malt
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%+ turn
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~(tap by group-indices)
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|= [=group-path resources=(set md-resource)]
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:- (new-group-path group-path)
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%- sy
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%+ turn
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~(tap in resources)
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migrate-md-resource
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::
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++ migrate-associations
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|= =^associations
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%- malt
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%+ turn
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~(tap by associations)
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|= [[=group-path =md-resource] =metadata]
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:_ metadata
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:_ (migrate-md-resource md-resource)
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(new-group-path group-path)
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--
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::
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++ on-poke
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|= [=mark =vase]
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^- (quip card _this)
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?> (team:title our.bowl src.bowl)
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=^ cards state
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?+ mark (on-poke:def mark vase)
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%metadata-action
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(poke-metadata-action:mc !<(metadata-action vase))
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%noun
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=/ val=(each [%cleanup path] tang)
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(mule |.(!<([%cleanup path] vase)))
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?. ?=(%& -.val)
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(on-poke:def mark vase)
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=/ group=path +.p.val
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=/ res=(set md-resource) (~(get ju group-indices) group)
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=. group-indices (~(del by group-indices) group)
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:- ~
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%+ roll ~(tap in res)
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|= [r=md-resource out=_state]
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=. resource-indices.out (~(del by resource-indices.out) r)
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=. app-indices.out
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%- ~(del ju app-indices.out)
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[app-name.r group app-path.r]
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=. associations.out (~(del by associations.out) group r)
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out
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==
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[cards this]
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::
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++ on-watch
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|= =path
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^- (quip card _this)
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?> (team:title our.bowl src.bowl)
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|^
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=/ cards=(list card)
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?+ path (on-watch:def path)
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[%all ~] (give %metadata-update !>([%associations associations]))
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[%updates ~] ~
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[%app-name @ ~]
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=/ =app-name i.t.path
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=/ app-indices (metadata-for-app:mc app-name)
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(give %metadata-update !>([%associations app-indices]))
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==
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[cards this]
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::
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++ give
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|= =cage
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^- (list card)
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[%give %fact ~ cage]~
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--
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::
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++ on-leave on-leave:def
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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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?+ path (on-peek:def path)
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[%y %group-indices ~] ``noun+!>(group-indices)
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[%y %app-indices ~] ``noun+!>(app-indices)
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[%y %resource-indices ~] ``noun+!>(resource-indices)
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[%x %associations ~] ``noun+!>(associations)
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[%x %app-name @ ~]
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=/ =app-name i.t.t.path
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``noun+!>((metadata-for-app:mc app-name))
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::
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[%x %group *]
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=/ =group-path t.t.path
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``noun+!>((metadata-for-group:mc group-path))
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::
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[%x %metadata @ @ @ ~]
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=/ =group-path (stab (slav %t i.t.t.path))
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=/ =md-resource [`@tas`i.t.t.t.path (stab (slav %t i.t.t.t.t.path))]
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``noun+!>((~(get by associations) [group-path md-resource]))
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==
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::
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++ on-agent on-agent:def
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++ on-arvo on-arvo:def
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++ on-fail on-fail:def
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--
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::
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|_ =bowl:gall
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++ poke-metadata-action
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|= act=metadata-action
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^- (quip card _state)
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?> (team:title our.bowl src.bowl)
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?- -.act
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%add
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(handle-add group-path.act resource.act metadata.act)
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::
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%remove
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(handle-remove group-path.act resource.act)
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==
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::
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++ handle-add
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|= [=group-path =md-resource =metadata]
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^- (quip card _state)
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:- %+ send-diff app-name.md-resource
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?. (~(has by resource-indices) md-resource)
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[%add group-path md-resource metadata]
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[%update-metadata group-path md-resource metadata]
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%= state
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associations
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(~(put by associations) [group-path md-resource] metadata)
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::
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group-indices
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(~(put ju group-indices) group-path md-resource)
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::
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app-indices
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(~(put ju app-indices) app-name.md-resource [group-path app-path.md-resource])
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::
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resource-indices
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(~(put ju resource-indices) md-resource group-path)
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==
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::
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++ handle-remove
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|= [=group-path =md-resource]
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^- (quip card _state)
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:- (send-diff app-name.md-resource [%remove group-path md-resource])
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%= state
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associations
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(~(del by associations) [group-path md-resource])
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::
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group-indices
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(~(del ju group-indices) group-path md-resource)
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::
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app-indices
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(~(del ju app-indices) app-name.md-resource [group-path app-path.md-resource])
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::
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resource-indices
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(~(del ju resource-indices) md-resource group-path)
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==
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::
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++ metadata-for-app
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|= =app-name
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^- ^associations
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%- ~(gas by *^associations)
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%+ turn ~(tap in (~(gut by app-indices) app-name ~))
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|= [=group-path =app-path]
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:- [group-path [app-name app-path]]
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(~(got by associations) [group-path [app-name app-path]])
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::
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++ metadata-for-group
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|= =group-path
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^- ^associations
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%- ~(gas by *^associations)
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%+ turn ~(tap in (~(gut by group-indices) group-path ~))
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|= =md-resource
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:- [group-path md-resource]
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(~(got by associations) [group-path md-resource])
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::
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++ send-diff
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|= [=app-name upd=metadata-update]
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^- (list card)
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|^
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%- zing
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:~ (update-subscribers /all upd)
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(update-subscribers /updates upd)
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(update-subscribers [%app-name app-name ~] upd)
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==
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::
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++ update-subscribers
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|= [pax=path upd=metadata-update]
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^- (list card)
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[%give %fact ~[pax] %metadata-update !>(upd)]~
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--
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--
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