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9826f4a978
This enables using [Cloudflare R2][0] as a storage provider. Cloudflare R2 is an S3-compatible API with a generous free tier; it looks like it may cost nothing for most Urbit ships’ usage patterns. The only hitch is that R2’s endpoint is not able to be configured to be publicly readable; in order to [make a bucket public][1], you must either use an r2.dev URL, or set up your own custom URL. Caching and such is only supported on your own URL, so it sounds like that’s the case they’re encouraging people to target. This change enables R2 support by adding a configuration option to set a public URL base. If it is non-empty, it replaces the origin for any S3 upload URLs. A ship may use either its r2.dev URL or a custom URL at its discretion. As a nice side benefit, this also allows wrapping S3 access over a custom domain that you control. [0]: https://www.cloudflare.com/developer-platform/r2/ [1]: https://developers.cloudflare.com/r2/buckets/public-buckets/
223 lines
5.0 KiB
Plaintext
223 lines
5.0 KiB
Plaintext
:: storage:
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::
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:: stores s3 keys for uploading and sharing images and objects
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::
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/- *storage
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/+ storage-json, default-agent, verb, dbug
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~% %s3-top ..part ~
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|%
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+$ card card:agent:gall
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+$ versioned-state
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$% state-zero
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state-one
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state-two
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state-three
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==
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::
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+$ state-zero [%0 =credentials:zero:past =configuration:zero:past]
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+$ state-one [%1 =credentials:one:past =configuration:one:past]
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+$ state-two [%2 =credentials:two:past =configuration:two:past]
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+$ state-three [%3 =credentials =configuration]
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--
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::
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=| state-three
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=* state -
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::
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%- agent:dbug
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%+ verb |
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^- agent:gall
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~% %s3-agent-core ..card ~
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|_ =bowl:gall
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+* this .
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def ~(. (default-agent this %|) bowl)
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::
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++ on-init
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:: XX: deprecated; migration code
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^- (quip card _this)
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:_ this
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:~ :* %pass
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/migrate
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%agent
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[our dap]:bowl
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%poke
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noun+!>(%migrate)
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== ==
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++ on-save !>(state)
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++ on-load
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|= =vase
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|^
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=/ old ((soft versioned-state) q.vase)
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?~ old on-init
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=/ old u.old
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|-
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?- -.old
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%3 `this(state old)
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%2 $(old (state-2-to-3 old))
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%1 $(old (state-1-to-2 old))
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%0 $(old (state-0-to-1 old))
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==
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++ state-0-to-1
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|= zer=state-zero
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^- state-one
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:* %1
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credentials.zer
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(configuration-0-to-1 configuration.zer)
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==
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::
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++ configuration-0-to-1
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|= conf=configuration:zero:past
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^- configuration:one:past
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:* buckets.conf
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current-bucket.conf
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''
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==
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::
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++ state-1-to-2
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|= one=state-one
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^- state-two
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:* %2
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credentials.one
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(configuration-1-to-2 configuration.one)
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==
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::
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++ configuration-1-to-2
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|= conf=configuration:one:past
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^- configuration:two:past
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:* buckets.conf
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current-bucket.conf
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region.conf
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''
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%credentials
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==
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++ state-2-to-3
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|= two=state-two
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^- state-three
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:* %3
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credentials.two
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(configuration-2-to-3 configuration.two)
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==
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++ configuration-2-to-3
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|= conf=configuration:two:past
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^- ^configuration
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:* buckets.conf
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current-bucket.conf
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region.conf
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presigned-url.conf
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service.conf
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''
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==
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--
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::
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++ on-poke
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~/ %s3-poke
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|= [=mark =vase]
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^- (quip card _this)
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|^
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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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%storage-action
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(poke-action !<(action vase))
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::
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:: XX: deprecated; migration code
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%noun
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?> ?=(%migrate !<(%migrate vase))
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=/ bas /(scot %p our.bowl)/s3-store/(scot %da now.bowl)
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:- ~
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?. .^(? %gu (weld bas /$))
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state
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=:
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credentials
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=/ ful .^(update %gx (weld bas /credentials/noun))
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?+ -.ful (on-poke:def mark vase)
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%credentials +.ful
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==
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::
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configuration
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=/ ful .^(update %gx (weld bas /configuration/noun))
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?+ -.ful (on-poke:def mark vase)
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%configuration +.ful
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== ==
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state
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==
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[cards this]
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::
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++ poke-action
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|= act=action
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^- (quip card _state)
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:- [%give %fact [/all]~ %storage-update !>(act)]~
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?- -.act
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%set-endpoint
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state(endpoint.credentials endpoint.act)
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::
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%set-access-key-id
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state(access-key-id.credentials access-key-id.act)
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::
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%set-secret-access-key
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state(secret-access-key.credentials secret-access-key.act)
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::
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%set-region
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state(region.configuration region.act)
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::
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%set-public-url-base
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state(public-url-base.configuration public-url-base.act)
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::
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%set-current-bucket
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%_ state
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current-bucket.configuration bucket.act
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buckets.configuration (~(put in buckets.configuration) bucket.act)
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==
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::
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%add-bucket
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state(buckets.configuration (~(put in buckets.configuration) bucket.act))
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::
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%remove-bucket
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state(buckets.configuration (~(del in buckets.configuration) bucket.act))
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::
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%set-presigned-url
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state(presigned-url.configuration url.act)
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::
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%toggle-service
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state(service.configuration service.act)
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==
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--
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::
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++ on-watch
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~/ %s3-watch
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|= =path
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^- (quip card _this)
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|^
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?> (team:title our.bowl src.bowl)
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=/ cards=(list card)
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?+ path (on-watch:def path)
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[%all ~]
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:~ (give %storage-update !>([%credentials credentials]))
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(give %storage-update !>([%configuration configuration]))
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==
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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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^- 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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++ on-peek
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~/ %s3-peek
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|= =path
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^- (unit (unit cage))
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?. (team:title our.bowl src.bowl) ~
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?+ path [~ ~]
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[%x %credentials ~]
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[~ ~ %storage-update !>(`update`[%credentials credentials])]
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::
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[%x %configuration ~]
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[~ ~ %storage-update !>(`update`[%configuration configuration])]
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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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