urbit/pkg/arvo/gen/hood/story-remove.hoon

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:: story: Remove any commit message(s) for a given desk, optionally targeting a specific case or prose
::
::::
::
/- *story
:- %say
|= $: [now=@da eny=@uvJ bec=beak]
[[syd=desk ~] cas=cash prz=prose ~]
==
::
:: XX: story set and story init both have desk and case as optional.
:: however, it seems a bit odd to allow both optional here
:: since we're dealing with a more hazardous operation.
:: should we allow a bare `|story-remove` to remove the last commit message on the current desk?
:: leaning towards no, and potentially even making the case non-optional
=/ our p.bec
=? cas =(*case cas) r.bec :: use case from beak if cas not provided
:: TODO case existence check
=/ tak
?: ?=([%tako tako:clay] cas)
p.cas
.^(tako:clay %cs /(scot %p our)/[desk]/(scot cas)/tako/~)
::
=/ pax /(scot %p our)/[desk]/(scot cas)/story
?. .^(? %cu pax) tang+['Error: No story file found. Please use |story-init to create one.' ~]
=/ tale=story .^(story %cx pax)
=. tale
?: =(*prose prz)
(~(del by tale) tak)
(~(del ju tale) tak prz)
:- %helm-pass
[%c [%info syd %& [/story %ins story+!>(tale)]~]]