urbit/pkg/arvo/lib/hood/kiln.hoon

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/+ version
=, clay
=, space:userlib
=, format
|%
+$ state [%1 pith-1]
+$ any-state
$% state
[%0 pith-0]
==
+$ pith-1 ::
$: rem=(map desk per-desk) ::
syn=(map kiln-sync let=@ud) ::
ota=(unit [=ship =desk =aeon]) ::
commit-timer=[way=wire nex=@da tim=@dr mon=term] ::
== ::
+$ pith-0 ::
$: rem=(map desk per-desk) ::
syn=(map kiln-sync let=@ud) ::
autoload-on=? ::
cur-hoon=@uvI ::
cur-arvo=@uvI ::
cur-zuse=@uvI ::
cur-vanes=(map @tas @uvI) ::
commit-timer=[way=wire nex=@da tim=@dr mon=term] ::
==
+$ per-desk :: per-desk state
$: auto=? :: escalate on failure
gem=?(%this %that germ) :: strategy
her=@p :: from ship
sud=@tas :: from desk
cas=case :: at case
==
+$ kiln-commit term ::
+$ kiln-mount ::
$: pax=path ::
pot=term ::
==
+$ kiln-unmount $@(term [knot path]) ::
+$ kiln-sync ::
$: syd=desk ::
her=ship ::
sud=desk ::
==
+$ kiln-unsync ::
$: syd=desk ::
her=ship ::
sud=desk ::
==
+$ kiln-merge ::
$@ ~
$: syd=desk ::
ali=ship ::
sud=desk ::
cas=case ::
gim=?(%auto germ) ::
==
--
|= [bowl:gall state]
?> =(src our)
|_ moz=(list card:agent:gall)
+$ state ^state :: proxy
+$ any-state ^any-state :: proxy
++ abet :: resolve
[(flop moz) `state`+<+.$]
::
++ emit
|= card:agent:gall
%_(+> moz [+< moz])
::
++ emil :: return cards
|= (list card:agent:gall)
^+ +>
?~(+< +> $(+< t.+<, +> (emit i.+<)))
::
++ render
|= [mez=tape sud=desk who=ship syd=desk]
:^ %palm [" " ~ ~ ~] leaf+(weld "kiln: " mez)
~[leaf+"from {<sud>}" leaf+"on {<who>}" leaf+"to {<syd>}"]
::
++ on-load
|= [hood-version=@ud old=any-state]
=< abet
=? . ?=(%0 -.old)
=/ recognized-ota=(unit [syd=desk her=ship sud=desk])
=/ syncs=(list [[syd=desk her=ship sud=desk] =aeon])
~(tap by syn.old)
|- ^- (unit [syd=desk her=ship sud=desk])
?~ syncs
~
?: &(=(%base syd.i.syncs) !=(our her.i.syncs) =(%kids sud.i.syncs))
`[syd her sud]:i.syncs
$(syncs t.syncs)
::
=. +<+.$.abet
=- old(- %1, |3 [ota=~ commit-timer.old], syn -)
?~ recognized-ota
syn
(~(del by syn) [syd her sud]:u.recognized-ota)
::
=? ..abet ?=(^ recognized-ota)
(poke-internal:update `[her sud]:u.recognized-ota)
+(old +<+.$.abet)
::
?> ?=(%1 -.old)
=. +<+.$.abet old
..abet
::
++ on-peek
|= =path
^- (unit (unit cage))
?+ path [~ ~]
[%x %kiln %ota ~] ``noun+!>(ota)
[%x %kiln %our ~] ``noun+!>(our)
[%x %kiln %base-hash ~] ``noun+!>((base-hash:version our now))
==
::
++ poke-commit
|= [mon=kiln-commit auto=?]
=< abet
=. +>.$ (emit %pass /commit %arvo %c [%dirk mon])
?. auto
+>.$
=/ recur ~s1
=. commit-timer
[/kiln/autocommit (add now recur) recur mon]
(emit %pass way.commit-timer %arvo %b [%wait nex.commit-timer])
::
++ poke-autocommit
|= [mon=kiln-commit auto=?]
=< abet
=. +>.$ (emit %pass /commit %arvo %c [%dirk mon])
?. auto
+>.$
=/ recur ~s1
=. commit-timer
[/kiln/autocommit (add now recur) recur mon]
(emit %pass way.commit-timer %arvo %b [%wait nex.commit-timer])
::
++ poke-cancel-autocommit
|= ~
abet:(emit %pass way.commit-timer %arvo %b [%rest nex.commit-timer])
::
++ poke-mount
|= kiln-mount
=+ bem=(de-beam pax)
?~ bem
=+ "can't mount bad path: {<pax>}"
abet:(spam leaf+- ~)
abet:(emit %pass /mount %arvo %c [%mont pot u.bem])
::
++ poke-unmount
|= mon=kiln-unmount
?^ mon
=+ bem=(de-beam mon)
?~ bem
=+ "can't unmount bad path: {<mon>}"
abet:(spam leaf+- ~)
abet:(emit %pass /unmount-beam %arvo %c [%ogre [[p q r] s]:u.bem])
abet:(emit %pass /unmount-point %arvo %c [%ogre mon])
::
++ poke-track ::
|= hos=kiln-sync
?: (~(has by syn) hos)
abet:(spam (render "already tracking" [sud her syd]:hos) ~)
abet:abet:start-track:(auto hos)
::
++ update
|%
++ make-wire
|= =path
?> ?=(^ ota)
%- welp
:_ path
/kiln/ota/(scot %p ship.u.ota)/[desk.u.ota]/(scot %ud aeon.u.ota)
::
++ check-ota
|= =wire
?~ ota
|
?& ?=([@ @ @ *] wire)
=(i.wire (scot %p ship.u.ota))
=(i.t.wire desk.u.ota)
=(i.t.t.wire (scot %ud aeon.u.ota))
==
::
++ render
|= [mez=tape error=(unit (pair term tang))]
%+ spam
?~ ota
leaf+mez
:^ %palm [" " ~ ~ ~] leaf+(weld "kiln: " mez)
~[leaf+"from {<desk.u.ota>}" leaf+"on {<ship.u.ota>}"]
?~ error
~
[>p.u.error< q.u.error]
::
++ render-ket
|= [mez=tape error=(unit (pair term tang))]
?> ?=(^ ota)
=< ?>(?=(^ ota) .)
%+ spam
:^ %palm [" " ~ ~ ~] leaf+(weld "kiln: " mez)
~[leaf+"from {<desk.u.ota>}" leaf+"on {<ship.u.ota>}"]
?~ error
~
[>p.u.error< q.u.error]
::
:: If destination desk doesn't exist, need a %init merge. If this is
:: its first revision, it probably doesn't have a mergebase yet, so
:: use %take-that.
::
++ get-germ
|= =desk
=+ .^(=cass:clay %cw /(scot %p our)/[desk]/(scot %da now))
?- ud.cass
%0 %init
%1 %take-that
* %mate
==
::
++ poke
|= arg=(unit [=ship =desk])
abet:(poke-internal arg)
::
++ poke-internal
|= arg=(unit [=ship =desk])
^+ ..abet
=? ..abet =(arg (bind ota |=([=ship =desk =aeon] [ship desk])))
(render "restarting OTA sync" ~)
=? ..abet ?=(^ ota)
=. ..abet (render-ket "cancelling OTA sync" ~)
..abet(ota ~)
?~ arg
..abet
=. ota `[ship.u.arg desk.u.arg *aeon]
=. ..abet (render "starting OTA sync" ~)
%: emit
%pass (make-wire /find) %arvo %c
%warp ship.u.arg desk.u.arg `[%sing %y ud+1 /]
==
::
++ take
|= [=wire =sign-arvo]
^+ ..abet
?> ?=(^ ota)
?. (check-ota wire)
..abet
?. ?=([@ @ @ @ *] wire)
..abet
?+ i.t.t.t.wire ~&([%strange-ota-take t.t.t.wire] ..abet)
%find (take-find sign-arvo)
%sync (take-sync sign-arvo)
%download (take-download sign-arvo)
%merge-home (take-merge-home sign-arvo)
%merge-kids (take-merge-kids sign-arvo)
==
::
++ take-find
|= =sign-arvo
?> ?=(%writ +<.sign-arvo)
?> ?=(^ ota)
=. ..abet (render-ket "activated OTA" ~)
%: emit
%pass (make-wire /sync) %arvo %c
%warp ship.u.ota desk.u.ota `[%sing %w da+now /]
==
::
++ take-sync
|= =sign-arvo
?> ?=(%writ +<.sign-arvo)
?> ?=(^ ota)
?~ p.sign-arvo
=. ..abet (render-ket "OTA cancelled (1), retrying" ~)
(poke-internal `[ship desk]:u.ota)
=. ..abet (render-ket "downloading OTA update" ~)
=? aeon.u.ota ?=(%w p.p.u.p.sign-arvo)
ud:;;(cass:clay q.q.r.u.p.sign-arvo)
%: emit
%pass (make-wire /download) %arvo %c
%warp ship.u.ota desk.u.ota `[%sing %v ud+aeon.u.ota /]
==
::
++ take-download
|= =sign-arvo
^+ ..abet
?> ?=(%writ +<.sign-arvo)
?> ?=(^ ota)
?~ p.sign-arvo
=. ..abet (render-ket "OTA cancelled (2), retrying" ~)
(poke-internal `[ship desk]:u.ota)
=. ..abet (render-ket "finished downloading OTA" ~)
=. aeon.u.ota +(aeon.u.ota)
=/ =germ (get-germ %home)
=. ..abet (render-ket "applying OTA to %home" ~)
%- emil
:~ :* %pass (make-wire /merge-home) %arvo %c
%merg %home ship.u.ota desk.u.ota ud+(dec aeon.u.ota) germ
==
:* %pass (make-wire /sync) %arvo %c
%warp ship.u.ota desk.u.ota `[%sing %z ud+aeon.u.ota /]
==
==
::
++ take-merge-home
|= =sign-arvo
?> ?=(%mere +<.sign-arvo)
?> ?=(^ ota)
?: ?=([%| %ali-unavailable *] p.sign-arvo)
=. ..abet
=/ =tape "OTA to %home failed, maybe because sunk; restarting"
(render-ket tape `p.p.sign-arvo)
(poke-internal `[ship desk]:u.ota)
::
?: ?=(%| -.p.sign-arvo)
=/ =tape "OTA to %home failed, waiting for next revision"
(render-ket tape `p.p.sign-arvo)
=. ..abet (render-ket "OTA to %home succeeded" ~)
=. ..abet (render-ket "applying OTA to %kids" ~)
=/ =germ (get-germ %kids)
%: emit
%pass (make-wire /merge-kids) %arvo %c
%merg %kids ship.u.ota desk.u.ota ud+(dec aeon.u.ota) germ
==
::
++ take-merge-kids
|= =sign-arvo
?> ?=(%mere +<.sign-arvo)
?> ?=(^ ota)
?: ?=([%| %ali-unavailable *] p.sign-arvo)
=. ..abet
=/ =tape "OTA to %kids failed, maybe because sunk; restarting"
(render-ket tape `p.p.sign-arvo)
(poke-internal `[ship desk]:u.ota)
::
?- -.p.sign-arvo
%& (render-ket "OTA to %kids succeeded" ~)
%| (render-ket "OTA to %kids failed" `p.p.sign-arvo)
==
--
::
++ poke-sync ::
|= hos=kiln-sync
?: (~(has by syn) hos)
abet:(spam (render "already syncing" [sud her syd]:hos) ~)
abet:abet:start-sync:(auto hos)
::
++ ota-info
?~ ota
"OTAs disabled"
"OTAs enabled from {<desk.u.ota>} on {<ship.u.ota>}"
::
++ poke-ota-info
|= *
=< abet %- spam
:~ [%leaf ota-info]
[%leaf "use |ota %disable or |ota ~sponsor %kids to reset it"]
==
::
++ poke-syncs :: print sync config
|= ~
=< abet %- spam
:- [%leaf ota-info]
?: =(0 ~(wyt by syn))
[%leaf "no other syncs configured"]~
%+ turn ~(tap in ~(key by syn))
|=(a=kiln-sync (render "sync configured" [sud her syd]:a))
::
++ poke-unsync ::
|= hus=kiln-unsync
?. (~(has by syn) hus)
abet:(spam (render "not syncing" [sud her syd]:hus) ~)
%* . abet:abet:stop:(auto hus)
syn (~(del by syn) hus)
==
::
++ poke-merge ::
|= kiln-merge
?~ +< abet
abet:abet:(merge:(work syd) ali sud cas gim)
::
++ poke-cancel
|= a=@tas
abet:(emit %pass /cancel %arvo %c [%drop a])
::
++ poke-info
|= [mez=tape tor=(unit toro)]
?~ tor
abet:(spam leaf+mez ~)
abet:(emit:(spam leaf+mez ~) %pass /kiln %arvo %c [%info u.tor])
::
++ poke-rm
|= a=path
=+ b=.^(arch %cy a)
?~ fil.b
=+ ~[leaf+"No such file:" leaf+"{<a>}"]
abet:(spam -)
(poke-info "removed" `(fray a))
::
++ poke-label
|= [syd=desk lab=@tas]
=+ pax=/(scot %p our)/[syd]/[lab]
(poke-info "labeled {(spud pax)}" `[syd %| lab])
::
++ poke-schedule
|= [where=path tym=@da eve=@t]
=. where (welp where /sched)
%+ poke-info "scheduled"
=+ old=;;((map @da cord) (fall (file where) ~))
`(foal where %sched !>((~(put by old) tym eve)))
::
++ poke-permission
|= [syd=desk pax=path pub=?]
=< abet
%- emit
=/ =rite [%r ~ ?:(pub %black %white) ~]
[%pass /kiln/permission %arvo %c [%perm syd pax rite]]
::
++ poke
|= [=mark =vase]
?+ mark ~|([%poke-kiln-bad-mark mark] !!)
%kiln-autocommit =;(f (f !<(_+<.f vase)) poke-autocommit)
%kiln-cancel =;(f (f !<(_+<.f vase)) poke-cancel)
%kiln-cancel-autocommit =;(f (f !<(_+<.f vase)) poke-cancel-autocommit)
%kiln-commit =;(f (f !<(_+<.f vase)) poke-commit)
%kiln-gall-sear =;(f (f !<(_+<.f vase)) poke-gall-sear)
%kiln-goad-gall =;(f (f !<(_+<.f vase)) poke-goad-gall)
%kiln-info =;(f (f !<(_+<.f vase)) poke-info)
%kiln-label =;(f (f !<(_+<.f vase)) poke-label)
%kiln-merge =;(f (f !<(_+<.f vase)) poke-merge)
%kiln-mount =;(f (f !<(_+<.f vase)) poke-mount)
%kiln-ota =;(f (f !<(_+<.f vase)) poke:update)
%kiln-ota-info =;(f (f !<(_+<.f vase)) poke-ota-info)
%kiln-permission =;(f (f !<(_+<.f vase)) poke-permission)
%kiln-rm =;(f (f !<(_+<.f vase)) poke-rm)
%kiln-schedule =;(f (f !<(_+<.f vase)) poke-schedule)
%kiln-sync =;(f (f !<(_+<.f vase)) poke-sync)
%kiln-syncs =;(f (f !<(_+<.f vase)) poke-syncs)
%kiln-track =;(f (f !<(_+<.f vase)) poke-track)
%kiln-unmount =;(f (f !<(_+<.f vase)) poke-unmount)
%kiln-unsync =;(f (f !<(_+<.f vase)) poke-unsync)
==
::
++ poke-goad-gall
|= [force=? agent=(unit dude:gall)]
abet:(emit %pass /kiln %arvo %g %goad force agent)
::
++ poke-gall-sear
|= =ship
abet:(emit %pass /kiln %arvo %g %sear ship)
::
++ done
|= [way=wire saw=(unit error:ames)]
~? ?=(^ saw) [%kiln-nack u.saw]
abet
::
++ take-agent
|= [=wire =sign:agent:gall]
?+ wire ~|([%kiln-bad-take-agent wire -.sign] !!)
[%kiln %fancy *] ?> ?=(%poke-ack -.sign)
(take-coup-fancy t.t.wire p.sign)
[%kiln %spam *] ?> ?=(%poke-ack -.sign)
(take-coup-spam t.t.wire p.sign)
==
::
++ take-arvo
|= [=wire =sign-arvo]
?- wire
[%sync %merg *] %+ take-mere-sync t.t.wire
?>(?=(%mere +<.sign-arvo) +>.sign-arvo)
[%find-ship *] %+ take-writ-find-ship t.wire
?>(?=(%writ +<.sign-arvo) +>.sign-arvo)
[%sync *] %+ take-writ-sync t.wire
?>(?=(%writ +<.sign-arvo) +>.sign-arvo)
[%autocommit *] %+ take-wake-autocommit t.wire
?>(?=(%wake +<.sign-arvo) +>.sign-arvo)
[%ota *] abet:(take:update t.wire sign-arvo)
*
?+ +<.sign-arvo
((slog leaf+"kiln: strange card {<+<.sign-arvo wire>}" ~) abet)
%done %+ done wire
?>(?=(%done +<.sign-arvo) +>.sign-arvo)
%mere %+ take-mere wire
?>(?=(%mere +<.sign-arvo) +>.sign-arvo)
==
==
++ take |=(way=wire ?>(?=([@ ~] way) (work i.way))) :: general handler
++ take-mere ::
|= [way=wire are=(each (set path) (pair term tang))]
abet:abet:(mere:(take way) are)
::
++ take-coup-fancy ::
|= [way=wire saw=(unit tang)]
abet:abet:(coup-fancy:(take way) saw)
::
++ take-coup-spam ::
|= [way=wire saw=(unit tang)]
~? ?=(^ saw) [%kiln-spam-lame u.saw]
abet
::
++ take-mere-sync ::
|= [way=wire mes=(each (set path) (pair term tang))]
?> ?=([@ @ @ *] way)
=/ hos=kiln-sync
:* syd=(slav %tas i.way)
her=(slav %p i.t.way)
sud=(slav %tas i.t.t.way)
==
?. (~(has by syn) hos)
abet
abet:abet:(mere:(auto hos) mes)
::
++ take-writ-find-ship ::
|= [way=wire rot=riot]
?> ?=([@ @ @ *] way)
=/ hos=kiln-sync
:* syd=(slav %tas i.way)
her=(slav %p i.t.way)
sud=(slav %tas i.t.t.way)
==
?. (~(has by syn) hos)
abet
abet:abet:(take-find-ship:(auto hos) rot)
::
++ take-writ-sync ::
|= [way=wire rot=riot]
?> ?=([@ @ @ *] way)
=/ hos=kiln-sync
:* syd=(slav %tas i.way)
her=(slav %p i.t.way)
sud=(slav %tas i.t.t.way)
==
?. (~(has by syn) hos)
abet
abet:abet:(writ:(auto hos) rot)
::
++ take-wake-autocommit
|= [way=wire error=(unit tang)]
?^ error
%- (slog u.error)
~& %kiln-wake-autocommit-fail
abet
=. nex.commit-timer (add now tim.commit-timer)
=< abet
%- emil
:~ [%pass /commit %arvo %c [%dirk mon.commit-timer]]
[%pass way.commit-timer %arvo %b [%wait nex.commit-timer]]
==
::
::
++ spam
|= mes=(list tank)
((slog mes) ..spam)
::
++ auto
|= kiln-sync
=+ (~(gut by syn) [syd her sud] let=*@ud)
|%
++ abet
..auto(syn (~(put by syn) [syd her sud] let))
::
++ blab
|= new=(list card:agent:gall)
^+ +>
+>.$(moz (welp new moz))
::
++ warp
|= [=wire =ship =riff]
(blab [%pass wire %arvo %c [%warp ship riff]] ~)
::
++ spam |*(* %_(+> ..auto (^spam +<)))
++ stop
=> (spam (render "ended autosync" sud her syd) ~)
=/ =wire /kiln/sync/[syd]/(scot %p her)/[sud]
(warp wire her sud ~)
:: XX duplicate of start-sync? see |track
::
++ start-track
=> (spam (render "activated track" sud her syd) ~)
=. let 1
=/ =wire /kiln/sync/[syd]/(scot %p her)/[sud]
(warp wire her sud `[%sing %y ud+let /])
::
++ start-sync
=> (spam (render "finding ship and desk" sud her syd) ~)
=/ =wire /kiln/find-ship/[syd]/(scot %p her)/[sud]
(warp wire her sud `[%sing %y ud+1 /])
::
++ take-find-ship
|= rot=riot
=> (spam (render "activated sync" sud her syd) ~)
=/ =wire /kiln/sync/[syd]/(scot %p her)/[sud]
(warp wire her sud `[%sing %w [%da now] /])
::
++ writ
|= rot=riot
?~ rot
=. +>.$
%^ spam
leaf+"sync cancelled, retrying"
(render "on sync" sud her syd)
~
start-sync
=. let ?. ?=(%w p.p.u.rot) let ud:;;(cass:clay q.q.r.u.rot)
=/ =wire /kiln/sync/merg/[syd]/(scot %p her)/[sud]
:: germ: merge mode for sync merges
::
:: Initial merges from any source must use the %init germ.
:: Subsequent merges may use any germ, but if the source is
:: a remote ship with which we have not yet merged, we won't
:: share a merge-base commit and all germs but %only-that will
:: fail.
::
:: We want to always use %only-that for the first remote merge.
:: But we also want local syncs (%base to %home or %kids) to
:: succeed after that first remote sync. To accomplish both we
:: simply use %only-that for the first three sync merges. (The
:: first two are from the pill.)
::
=/ =germ
=/ =cass
.^(cass:clay %cw /(scot %p our)/[syd]/(scot %da now))
?: =(0 ud.cass)
%init
?:((gth 2 ud.cass) %only-that %mate)
=< %- spam
?: =(our her) ~
[(render "beginning sync" sud her syd) ~]
(blab [%pass wire %arvo %c [%merg syd her sud ud+let germ]] ~)
::
++ mere
|= mes=(each (set path) (pair term tang))
?: ?=([%| %ali-unavailable *] mes)
=. +>.$
%^ spam
leaf+"merge cancelled, maybe because sunk; restarting"
(render "on sync" sud her syd)
~
start-sync:stop
=. let +(let)
=. +>.$
%- spam
?: ?=(%& -.mes)
[(render "sync succeeded" sud her syd) ~]
?+ p.p.mes
:* (render "sync failed" sud her syd)
leaf+"please manually merge the desks with"
leaf+"|merge %{(trip syd)} {(scow %p her)} %{(trip sud)}"
leaf+""
leaf+"error code: {<p.p.mes>}"
q.p.mes
==
::
%no-ali-disc
:~ (render "sync activated" sud her syd)
leaf+"note: blank desk {<sud>} on {<her>}"
==
==
=/ =wire /kiln/sync/[syd]/(scot %p her)/[sud]
(warp wire her sud `[%sing %y ud+let /])
--
::
++ work :: state machine
|= syd=desk
=/ ,per-desk
%+ ~(gut by rem) syd
=+ *per-desk
%_(- cas [%da now])
|%
++ abet :: resolve
..work(rem (~(put by rem) syd auto gem her sud cas))
::
++ blab
|= new=(list card:agent:gall)
^+ +>
+>.$(moz (welp new moz))
::
++ win . :: successful poke
++ lose
^+ .
~| %kiln-work-fail
.
::
++ perform ::
^+ .
?< ?=(%this gem)
?< ?=(%that gem)
(blab [%pass /kiln/[syd] %arvo %c [%merg syd her sud cas gem]] ~)
::
++ fancy-merge :: send to self
|= [syd=desk her=@p sud=desk gem=?(%auto germ)]
^+ +>
=/ =cage [%kiln-merge !>([syd her sud cas gem])]
%- blab :_ ~
[%pass /kiln/fancy/[^syd] %agent [our %hood] %poke cage]
::
++ spam ::|=(tang ((slog +<) ..spam))
|*(* +>(..work (^spam +<)))
++ merge
|= [her=@p sud=@tas cas=case gim=?(%auto germ)]
^+ +>
?. ?=(%auto gim)
perform(auto |, gem gim, her her, cas cas, sud sud)
?: =(0 ud:.^(cass:clay %cw /(scot %p our)/[syd]/(scot %da now)))
=> $(gim %init)
.(auto &)
=> $(gim %fine)
.(auto &)
::
++ coup-fancy
|= saw=(unit tang)
?~ saw
+>
=+ :- "failed to set up conflict resolution scratch space"
"I'm out of ideas"
lose:(spam leaf+-< leaf+-> u.saw)
::
++ mere
|= are=(each (set path) (pair term tang))
^+ +>
?: =(%meld gem)
?: ?=(%& -.are)
?. auto
=+ "merged with strategy {<gem>}"
win:(spam leaf+- ?~(p.are ~ [>`(set path)`p.are< ~]))
:: ~? > =(~ p.are) [%mere-no-conflict syd]
=> .(+>.$ (spam leaf+"mashing conflicts" ~))
=+ tic=(cat 3 syd '-scratch')
=/ notations=(list [path (unit [mark vase])])
%+ turn ~(tap in p.are)
|= =path
=/ =mark -:(flop path)
=/ =dais .^(dais %cb /(scot %p our)/[syd]/(scot cas)/[mark])
=/ base .^(vase %cr (weld /(scot %p our)/[tic]/(scot cas) path))
=/ ali .^(vase %cr (weld /(scot %p her)/[sud]/(scot cas) path))
=/ bob .^(vase %cr (weld /(scot %p our)/[syd]/(scot cas) path))
=/ ali-dif (~(diff dais base) ali)
=/ bob-dif (~(diff dais base) bob)
=/ mash (~(mash dais base) [her sud ali-dif] [our syd bob-dif])
:- path
?~ mash
~
`[mark (~(pact dais base) u.mash)]
=/ [annotated=(list [path *]) unnotated=(list [path *])]
(skid notations |=([* v=*] ?=(^ v)))
=/ tic=desk (cat 3 syd '-scratch')
=/ tan=(list tank)
%- zing
^- (list (list tank))
:~ %- tape-to-tanks
"""
done setting up scratch space in {<[tic]>}
please resolve the following conflicts and run
|merge {<syd>} our {<[tic]>}
"""
%^ tanks-if-any
"annotated conflicts in:" (turn annotated head)
""
%^ tanks-if-any
"unannotated conflicts in:" (turn unnotated head)
"""
some conflicts could not be annotated.
for these, the scratch space contains
the most recent common ancestor of the
conflicting content.
"""
==
=< win
%- blab:(spam tan)
:_ ~
:* %pass /kiln/[syd] %arvo %c
%info
tic %&
%+ murn notations
|= [=path dif=(unit [=mark =vase])]
^- (unit [^path miso])
?~ dif
~
`[path %mut mark.u.dif vase.u.dif]
==
=+ "failed to merge with strategy meld"
lose:(spam leaf+- >p.p.are< q.p.are)
?: ?=(%& -.are)
=+ "merged with strategy {<gem>}"
win:(spam leaf+- ?~(p.are ~ [>`(set path)`p.are< ~]))
?. auto
=+ "failed to merge with strategy {<gem>}"
lose:(spam leaf+- >p.p.are< q.p.are)
?+ gem
(spam leaf+"strange auto" >gem< ~)
::
%init
=+ :- "auto merge failed on strategy %init"
"I'm out of ideas"
lose:(spam leaf+-< leaf+-> [>p.p.are< q.p.are])
::
%fine
?. ?=(%bad-fine-merge p.p.are)
=+ "auto merge failed on strategy %fine"
lose:(spam leaf+- >p.p.are< q.p.are)
=> (spam leaf+"%fine merge failed, trying %meet" ~)
perform(gem %meet)
::
%meet
?. ?=(%meet-conflict p.p.are)
=+ "auto merge failed on strategy %meet"
lose:(spam leaf+- >p.p.are< q.p.are)
=> (spam leaf+"%meet merge failed, trying %mate" ~)
perform(gem %mate)
::
%mate
?. ?=(%mate-conflict p.p.are)
=+ "auto merge failed on strategy %mate"
lose:(spam leaf+- >p.p.are< q.p.are)
=> .(gem %meld)
=+ tic=(cat 3 syd '-scratch')
=> =+ :- "%mate merge failed with conflicts,"
"setting up scratch space at %{(trip tic)}"
[tic=tic (spam leaf+-< leaf+-> q.p.are)]
=. ..mere (fancy-merge tic our syd %init)
=> (spam leaf+"%melding %{(trip sud)} into scratch space" ~)
%- blab :_ ~
?< ?=(%this gem)
?< ?=(%that gem)
=/ note [%merg (cat 3 syd '-scratch') her sud cas gem]
[%pass /kiln/[syd] %arvo %c note]
==
::
++ tape-to-tanks
|= a=tape ^- (list tank)
(scan a (more (just '\0a') (cook |=(a=tape leaf+a) (star prn))))
::
++ tanks-if-any
|= [a=tape b=(list path) c=tape] ^- (list tank)
?: =(~ b) ~
(welp (tape-to-tanks "\0a{c}{a}") >b< ~)
--
--