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purescript / spago

🍝 PureScript package manager and build tool
BSD 3-Clause "New" or "Revised" License
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unable to use spago bundle-app in nix derivation since 0.20.8 #888

Closed yuanwang-wf closed 1 year ago

yuanwang-wf commented 2 years ago

before spago 0.20.8. One can bundle a purescript app using spago2nix and spago in a nix derivation 

in stdenv.mkDerivation rec {
  pname = "my-frontend";
  src = lib.cleanSource ./.;
  version = "0.1";

  buildInputs = [
    spagoPkgs.installSpagoStyle
    spagoPkgs.buildSpagoStyle
    spagoPkgs.buildFromNixStore
    purescript
    spago
  ];

  unpackPhase = ''
    cp $src/{packages,spago}.dhall .
    cp -r $src/src .
    install-spago-style
  '';

  buildPhase = ''
    build-spago-style ./src/*.purs
    ${pkgs.spago}/bin/spago bundle-app --no-install --main Main --no-build --global-cache skip
  '';

  installPhase = ''
    install -D -m644 ./index.js $out/srv/hu-frontend.js
  '';
}

Referece https://discourse.purescript.org/t/spago2nix-any-complete-example-to-look-at/2532/4

But with spago 0.20.8 or later. It seems build and bundle-app is kicking out a process which doesn't work in a nix (flake) derivation

       last 10 log lines:
       > Warning: Could not get or create the default cache directory:
       >
       > ↳ /homeless-shelter/.cache/dhall
       >
       > You can enable caching by creating it if needed and setting read,
       > write and search permissions on it or providing another cache base
       > directory by setting the $XDG_CACHE_HOME environment variable.
       >
       >
       > spago: security: createProcess: posix_spawnp: permission denied (Read-only file system)
       For full logs, run 'nix log /nix/store/za33rjxhv56rpp7lpa9mjr1d4i7zc8mk-frontendJs.drv'.

I wonder is possible to get bundle-app work in a derivation ?

one workaround is using esbuild directly

  frontendJs = pkgs.stdenv.mkDerivation {
    name = "frontendJs";
    buildInputs = [ spagoPkgs.installSpagoStyle spagoPkgs.buildSpagoStyle ];
    nativeBuildInputs = with pkgs; [ purs spago esbuild ];
    src = ./.;
    unpackPhase = ''
      cp $src/spago.dhall .
      cp $src/packages.dhall .
      cp -r $src/src .
      install-spago-style
    '';
    buildPhase = ''
      build-spago-style "./src/**/*.purs"
      esbuild --bundle ./output/Frontend/index.js --platform=browser --minify --outfile="frontend.js"
    '';
    installPhase = ''
      mkdir $out
      mv frontend.js $out/
    '';
  };

Referece: https://github.com/yuanw/blog/blob/2f1b50df9c301b56fba300b0d24e97dc2a62634b/purescript/default.nix#L19

f-f commented 2 years ago

Thanks for reporting @yuanwang-wf! This is a bug, and I suspect it's due to us changing the way we invoke programs. Could you provide a complete log of what happens when running Spago with -V? I.e. spago -V bundle-app. This will help point us in the right direction.

yuanwang-wf commented 2 years ago

hey @f-f, thank you for looking into it. I am afraid the nix log from spago -V bundle-app is not very helpful

https://github.com/yuanw/blog/blob/master/purescript/default.nix#L20 

@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
installing dependencies...
Installing .spago/arrays/v7.0.0.
Installing .spago/bifunctors/v6.0.0.
Installing .spago/console/v6.0.0.
Installing .spago/const/v6.0.0.
Installing .spago/contravariant/v6.0.0.
Installing .spago/control/v6.0.0.
Installing .spago/datetime/v6.0.0.
Installing .spago/distributive/v6.0.0.
Installing .spago/effect/v4.0.0.
Installing .spago/either/v6.0.0.
Installing .spago/enums/v6.0.0.
Installing .spago/exceptions/v6.0.0.
Installing .spago/exists/v6.0.0.
Installing .spago/foldable-traversable/v6.0.0.
Installing .spago/foreign/v7.0.0.
Installing .spago/functions/v6.0.0.
Installing .spago/functors/v5.0.0.
Installing .spago/gen/v4.0.0.
Installing .spago/identity/v6.0.0.
Installing .spago/integers/v6.0.0.
Installing .spago/invariant/v6.0.0.
Installing .spago/js-date/v8.0.0.
Installing .spago/lazy/v6.0.0.
Installing .spago/lists/v7.0.0.
Installing .spago/maybe/v6.0.0.
Installing .spago/media-types/v6.0.0.
Installing .spago/newtype/v5.0.0.
Installing .spago/nonempty/v7.0.0.
Installing .spago/now/v6.0.0.
Installing .spago/nullable/v6.0.0.
Installing .spago/numbers/v9.0.0.
Installing .spago/ordered-collections/v3.0.0.
Installing .spago/orders/v6.0.0.
Installing .spago/partial/v4.0.0.
Installing .spago/prelude/v6.0.0.
Installing .spago/profunctor/v6.0.0.
Installing .spago/psci-support/v6.0.0.
Installing .spago/refs/v6.0.0.
Installing .spago/safe-coerce/v2.0.0.
Installing .spago/st/v6.0.0.
Installing .spago/strings/v6.0.0.
Installing .spago/tailrec/v6.0.0.
Installing .spago/transformers/v6.0.0.
Installing .spago/tuples/v7.0.0.
Installing .spago/type-equality/v4.0.1.
Installing .spago/unfoldable/v6.0.0.
Installing .spago/unsafe-coerce/v6.0.0.
Installing .spago/web-dom/v6.0.0.
Installing .spago/web-events/v4.0.0.
Installing .spago/web-file/v4.0.0.
Installing .spago/web-html/v4.0.0.
Installing .spago/web-storage/v5.0.0.
echo done.
@nix { "action": "setPhase", "phase": "patchPhase" }
patching sources
@nix { "action": "setPhase", "phase": "configurePhase" }
configuring
no configure script, doing nothing
@nix { "action": "setPhase", "phase": "buildPhase" }
building
building project...
[  4 of 385] Compiling Type.Equality
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[  5 of 385] Compiling Record.Unsafe
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[  9 of 385] Compiling Partial
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[ 12 of 385] Compiling Data.Boolean
[ 13 of 385] Compiling Control.Semigroupoid
[ 14 of 385] Compiling Partial.Unsafe
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[ 18 of 385] Compiling Data.Exists
[ 19 of 385] Compiling Data.Show
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[ 23 of 385] Compiling Data.Semiring
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[ 81 of 385] Compiling Web.HTML.Location
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[ 83 of 385] Compiling Effect.Console
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[ 85 of 385] Compiling Effect.Class
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[ 89 of 385] Compiling Data.Newtype
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[ 95 of 385] Compiling Data.Functor.App
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[ 97 of 385] Compiling Data.Ord.Down
[ 98 of 385] Compiling Data.String.Pattern
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[101 of 385] Compiling Data.MediaType.Common
[102 of 385] Compiling Data.String.Common
[103 of 385] Compiling Data.Profunctor.Closed
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[109 of 385] Compiling Data.Maybe
[110 of 385] Compiling Data.Tuple
[111 of 385] Compiling Data.Profunctor.Split
[112 of 385] Compiling Web.HTML.ValidityState
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[114 of 385] Compiling Data.Op
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[118 of 385] Compiling Data.Either
[119 of 385] Compiling Web.HTML.HTMLMediaElement.CanPlayType
[120 of 385] Compiling Web.Internal.FFI
[121 of 385] Compiling Web.HTML.HTMLImageElement.DecodingHint
[122 of 385] Compiling Data.Maybe.Last
[123 of 385] Compiling Data.Maybe.First
[124 of 385] Compiling Web.HTML.SelectionMode
[125 of 385] Compiling Web.DOM.ShadowRoot
[126 of 385] Compiling Data.Number
[127 of 385] Compiling Web.HTML.HTMLImageElement.CORSMode
[128 of 385] Compiling Web.HTML.HTMLDocument.ReadyState
[129 of 385] Compiling Data.Nullable
[130 of 385] Compiling Web.HTML.HTMLImageElement.Laziness
[131 of 385] Compiling Data.String.CodeUnits
[132 of 385] Compiling Data.Number.Approximate
[133 of 385] Compiling Data.Int
[134 of 385] Compiling Web.DOM.DOMTokenList
[135 of 385] Compiling Web.DOM.NonDocumentTypeChildNode
[136 of 385] Compiling Web.DOM.NodeList
[137 of 385] Compiling Web.Storage.Storage
[138 of 385] Compiling Web.HTML.Event.DataTransfer.DataTransferItem
[139 of 385] Compiling Web.DOM.HTMLCollection
[140 of 385] Compiling Data.Divide
[141 of 385] Compiling Control.Comonad.Store.Trans
[142 of 385] Compiling Control.Monad.State.Class
[143 of 385] Compiling Web.DOM.ParentNode
[145 of 385] Compiling Control.Comonad.Traced.Class
[146 of 385] Compiling Data.Profunctor.Costrong
[144 of 385] Compiling Data.Tuple.Nested
[147 of 385] Compiling Control.Monad.Writer.Class
[148 of 385] Compiling Data.Profunctor.Strong
[149 of 385] Compiling Data.Distributive
[150 of 385] Compiling Control.Monad.Cont.Trans
[151 of 385] Compiling Web.File.Blob
[152 of 385] Compiling Control.Comonad.Traced
[153 of 385] Compiling Data.Divisible
[154 of 385] Compiling Web.File.Url
[155 of 385] Compiling Data.Decide
[157 of 385] Compiling Data.Bifunctor
[158 of 385] Compiling Effect.Exception
[159 of 385] Compiling Data.Profunctor.Cochoice
[160 of 385] Compiling Data.Either.Inject
[161 of 385] Compiling Data.Profunctor.Choice
[156 of 385] Compiling Data.Either.Nested
[162 of 385] Compiling Effect.Exception.Unsafe
[163 of 385] Compiling Control.Monad.Error.Class
[164 of 385] Compiling Data.Functor.Product
[165 of 385] Compiling Data.Functor.Coproduct
[166 of 385] Compiling Data.Functor.Costar
[167 of 385] Compiling Control.Biapply
[168 of 385] Compiling Data.Profunctor.Star
[169 of 385] Compiling Control.Monad.Rec.Class
[170 of 385] Compiling Data.Decidable
[171 of 385] Compiling Control.Monad.Cont
[172 of 385] Compiling Control.Biapplicative
[173 of 385] Compiling Data.Bifunctor.Join
[174 of 385] Compiling Data.Functor.Clown
[175 of 385] Compiling Data.Functor.Joker
[176 of 385] Compiling Data.Functor.Product2
[177 of 385] Compiling Data.Functor.Flip
[178 of 385] Compiling Data.Functor.Product.Nested
[179 of 385] Compiling Data.Functor.Coproduct.Nested
[180 of 385] Compiling Data.FunctorWithIndex
[181 of 385] Compiling Data.Foldable
[182 of 385] Compiling Control.Monad.RWS.Trans
[183 of 385] Compiling Control.Monad.State.Trans
[184 of 385] Compiling Control.Monad.Writer.Trans
[185 of 385] Compiling Data.Functor.Coproduct.Inject
[186 of 385] Compiling Control.Monad.Maybe.Trans
[187 of 385] Compiling Control.Monad.Reader.Trans
[188 of 385] Compiling Control.Monad.ST.Internal
[189 of 385] Compiling Control.Monad.Except.Trans
[190 of 385] Compiling Control.Monad.ST.Ref
[191 of 385] Compiling Control.Monad.ST
[192 of 385] Compiling Data.Array.ST
[193 of 385] Compiling Control.Monad.ST.Global
[194 of 385] Compiling Control.Monad.ST.Class
[195 of 385] Compiling Data.Array.ST.Iterator
[196 of 385] Compiling Data.Array.ST.Partial
[197 of 385] Compiling Control.Monad.Reader
[198 of 385] Compiling Control.Monad.Writer
[199 of 385] Compiling Control.Monad.Except
[200 of 385] Compiling Control.Monad.State
[201 of 385] Compiling Control.Monad.RWS
[202 of 385] Compiling Data.FoldableWithIndex
[203 of 385] Compiling Data.Traversable
[204 of 385] Compiling Data.Semigroup.Foldable
[205 of 385] Compiling Data.Bifoldable
[206 of 385] Compiling Data.Bitraversable
[207 of 385] Compiling Control.Monad.Identity.Trans
[208 of 385] Compiling Data.Semigroup.Traversable
[209 of 385] Compiling Data.Unfoldable1
[210 of 385] Compiling Data.TraversableWithIndex
[211 of 385] Compiling Data.Unfoldable
[212 of 385] Compiling Control.Monad.Gen
[213 of 385] Compiling Data.Enum
[214 of 385] Compiling Data.Time.Duration.Gen
[216 of 385] Compiling Data.Lazy
[215 of 385] Compiling Control.Comonad.Env.Trans
[217 of 385] Compiling Data.Array.NonEmpty.Internal
[218 of 385] Compiling Data.NonEmpty
[219 of 385] Compiling Data.Array
[220 of 385] Compiling Data.Char
[221 of 385] Compiling Web.HTML.HTMLMediaElement.ReadyState
[222 of 385] Compiling Data.Enum.Generic
[223 of 385] Compiling Data.Date.Component
[224 of 385] Compiling Web.Event.EventPhase
[226 of 385] Compiling Web.HTML.HTMLTrackElement.ReadyState
[225 of 385] Compiling Web.HTML.HTMLMediaElement.NetworkState
[227 of 385] Compiling Web.DOM.NodeType
[229 of 385] Compiling Data.Time.Component
[228 of 385] Compiling Web.File.FileReader.ReadyState
[231 of 385] Compiling Control.Comonad.Store.Class
[230 of 385] Compiling Control.Comonad.Env.Class
[232 of 385] Compiling Control.Monad.List.Trans
[233 of 385] Compiling Data.List.Types
[234 of 385] Compiling Data.List.Lazy.Types
[235 of 385] Compiling Data.Char.Gen
[236 of 385] Compiling Data.Enum.Gen
[237 of 385] Compiling Control.Monad.Gen.Common
[238 of 385] Compiling Control.Comonad.Env
[239 of 385] Compiling Control.Comonad.Store
[240 of 385] Compiling Data.String.Gen
[241 of 385] Compiling Data.Time.Component.Gen
[242 of 385] Compiling Data.Time
[243 of 385] Compiling Data.Date.Component.Gen
[244 of 385] Compiling Data.Date
[245 of 385] Compiling Data.Time.Gen
[248 of 385] Compiling Data.Array.Partial
[246 of 385] Compiling Data.String.CodePoints
[247 of 385] Compiling Data.Array.NonEmpty
[250 of 385] Compiling Data.Date.Gen
[249 of 385] Compiling Data.DateTime
[252 of 385] Compiling Data.DateTime.Gen
[251 of 385] Compiling Data.DateTime.Instant
[253 of 385] Compiling Data.List.Internal
[254 of 385] Compiling Web.Event.Event
[255 of 385] Compiling Web.File.File
[256 of 385] Compiling Effect.Now
[257 of 385] Compiling Web.File.FileList
[258 of 385] Compiling Web.HTML.Event.BeforeUnloadEvent
[259 of 385] Compiling Web.HTML.Event.DragEvent.EventTypes
[260 of 385] Compiling Web.HTML.Event.HashChangeEvent
[261 of 385] Compiling Web.Storage.Event.StorageEvent
[262 of 385] Compiling Web.HTML.Event.HashChangeEvent.EventTypes
[263 of 385] Compiling Web.HTML.Event.PageTransitionEvent
[264 of 385] Compiling Web.HTML.Event.PageTransitionEvent.EventTypes
[265 of 385] Compiling Web.Event.EventTarget
[266 of 385] Compiling Web.HTML.Event.EventTypes
[267 of 385] Compiling Web.HTML.Event.TrackEvent
[268 of 385] Compiling Web.HTML.Event.ErrorEvent
[269 of 385] Compiling Web.HTML.Event.BeforeUnloadEvent.EventTypes
[270 of 385] Compiling Web.HTML.Event.TrackEvent.EventTypes
[272 of 385] Compiling Data.String
[271 of 385] Compiling Web.HTML.Event.PopStateEvent.EventTypes
[273 of 385] Compiling Web.DOM.CharacterData
[274 of 385] Compiling Web.DOM.Element
[275 of 385] Compiling Data.String.Regex.Flags
[276 of 385] Compiling Web.DOM.DocumentType
[277 of 385] Compiling Data.String.NonEmpty.Internal
[278 of 385] Compiling Data.String.CaseInsensitive
[279 of 385] Compiling Web.DOM.Comment
[280 of 385] Compiling Web.DOM.ProcessingInstruction
[281 of 385] Compiling Web.DOM.Text
[282 of 385] Compiling Data.List
[283 of 385] Compiling Data.List.Lazy
[285 of 385] Compiling Web.DOM.NonElementParentNode
[284 of 385] Compiling Web.HTML.Event.DataTransfer
[286 of 385] Compiling Web.DOM.DocumentFragment
[287 of 385] Compiling Web.DOM.Document
[288 of 385] Compiling Web.HTML.Event.DragEvent
[289 of 385] Compiling Web.DOM.Node
[290 of 385] Compiling Data.String.Regex
[291 of 385] Compiling Data.String.NonEmpty.CodePoints
[292 of 385] Compiling Data.String.NonEmpty.CodeUnits
[293 of 385] Compiling Data.String.Regex.Unsafe
[295 of 385] Compiling Web.DOM
[294 of 385] Compiling Web.DOM.MutationRecord
[296 of 385] Compiling Web.HTML.HTMLElement
[297 of 385] Compiling Data.String.NonEmpty
[298 of 385] Compiling Web.DOM.MutationObserver
[299 of 385] Compiling Data.String.NonEmpty.CaseInsensitive
[300 of 385] Compiling Web.HTML.HTMLHeadingElement
[301 of 385] Compiling Web.HTML.HTMLDListElement
[302 of 385] Compiling Web.HTML.HTMLTableColElement
[303 of 385] Compiling Web.HTML.HTMLOptGroupElement
[304 of 385] Compiling Web.HTML.HTMLBRElement
[305 of 385] Compiling Web.HTML.HTMLBaseElement
[306 of 385] Compiling Web.HTML.HTMLSpanElement
[307 of 385] Compiling Web.HTML.HTMLLinkElement
[308 of 385] Compiling Web.HTML.HTMLMetaElement
[309 of 385] Compiling Web.HTML.HTMLPreElement
[310 of 385] Compiling Web.HTML.HTMLAreaElement
[311 of 385] Compiling Web.HTML.HTMLEmbedElement
[312 of 385] Compiling Web.HTML.HTMLMeterElement
[313 of 385] Compiling Web.HTML.HTMLAnchorElement
[314 of 385] Compiling Web.HTML.HTMLImageElement
[315 of 385] Compiling Web.HTML.HTMLScriptElement
[316 of 385] Compiling Web.HTML.HTMLDataListElement
[317 of 385] Compiling Web.HTML.HTMLHeadElement
[318 of 385] Compiling Web.HTML.HTMLLIElement
[319 of 385] Compiling Web.HTML.HTMLTitleElement
[320 of 385] Compiling Web.HTML.HTMLTableCellElement
[321 of 385] Compiling Web.HTML.HTMLBodyElement
[322 of 385] Compiling Web.HTML.HTMLUListElement
[323 of 385] Compiling Web.HTML.HTMLTableRowElement
[324 of 385] Compiling Web.HTML.HTMLStyleElement
[325 of 385] Compiling Web.HTML.HTMLProgressElement
[326 of 385] Compiling Web.HTML.HTMLQuoteElement
[327 of 385] Compiling Web.HTML.HTMLCanvasElement
[328 of 385] Compiling Web.HTML.HTMLDivElement
[329 of 385] Compiling Web.HTML.HTMLHtmlElement
[330 of 385] Compiling Web.HTML.HTMLParagraphElement
[331 of 385] Compiling Web.HTML.HTMLDataElement
[332 of 385] Compiling Web.HTML.HTMLTableCaptionElement
[333 of 385] Compiling Web.HTML.HTMLParamElement
[334 of 385] Compiling Web.HTML.HTMLFormElement
[336 of 385] Compiling Web.HTML.HTMLTemplateElement
[337 of 385] Compiling Web.HTML.HTMLModElement
[335 of 385] Compiling Web.HTML.HTMLHRElement
[338 of 385] Compiling Web.HTML.HTMLTableSectionElement
[339 of 385] Compiling Web.HTML.HTMLSourceElement
[340 of 385] Compiling Web.HTML.HTMLTrackElement
[342 of 385] Compiling Web.HTML.HTMLTimeElement
[341 of 385] Compiling Web.HTML.HTMLOListElement
[343 of 385] Compiling Web.HTML.HTMLMapElement
[344 of 385] Compiling Web.HTML.HTMLTableDataCellElement
[345 of 385] Compiling Web.HTML.HTMLTableHeaderCellElement
[346 of 385] Compiling Web.HTML.HTMLDocument
[347 of 385] Compiling Web.HTML.HTMLButtonElement
[348 of 385] Compiling Web.HTML.HTMLOptionElement
[349 of 385] Compiling Web.HTML.HTMLOutputElement
[350 of 385] Compiling Web.HTML.HTMLFieldSetElement
[351 of 385] Compiling Web.HTML.HTMLLegendElement
[352 of 385] Compiling Web.HTML.HTMLTextAreaElement
[353 of 385] Compiling Web.HTML.HTMLSelectElement
[354 of 385] Compiling Web.HTML.HTMLKeygenElement
[355 of 385] Compiling Web.HTML.HTMLTableElement
[356 of 385] Compiling Web.HTML.HTMLLabelElement
[357 of 385] Compiling Web.HTML.HTMLObjectElement
[358 of 385] Compiling Data.List.ZipList
[359 of 385] Compiling Data.List.Lazy.NonEmpty
[361 of 385] Compiling Data.List.Partial
[360 of 385] Compiling Data.Map.Internal
[362 of 385] Compiling Data.List.NonEmpty
[363 of 385] Compiling Foreign
[364 of 385] Compiling Web.File.FileReader
[365 of 385] Compiling Data.JSDate
[366 of 385] Compiling Foreign.Index
[367 of 385] Compiling Web.Event.CustomEvent
[368 of 385] Compiling Foreign.Keys
[369 of 385] Compiling Web.HTML.Event.PopStateEvent
[370 of 385] Compiling Web.HTML.History
[371 of 385] Compiling Web.HTML.Window
[372 of 385] Compiling Web.HTML.HTMLIFrameElement
[373 of 385] Compiling Web.HTML.HTMLInputElement
[374 of 385] Compiling Web.HTML.HTMLMediaElement
[376 of 385] Compiling Web.HTML.HTMLVideoElement
[375 of 385] Compiling Web.HTML.HTMLAudioElement
[377 of 385] Compiling Web.HTML
[378 of 385] Compiling Frontend
[379 of 385] Compiling Data.Set
[380 of 385] Compiling Data.Map
[381 of 385] Compiling Data.Set.NonEmpty
[383 of 385] Compiling Data.Interval.Duration
[382 of 385] Compiling Data.Map.Gen
[384 of 385] Compiling Data.Interval
[385 of 385] Compiling Data.Interval.Duration.Iso

Warning 1 of 2:

  in module Frontend
  at ./src/Frontend.purs:43:7 - 43:12 (line 43, column 7 - line 43, column 12)

    Name cList was introduced but not used.

  in value declaration updateClss

  See https://github.com/purescript/documentation/blob/master/errors/UnusedName.md for more informatio
n,
  or to contribute content related to this warning.

Warning 2 of 2:

  in module Frontend
  at ./src/Frontend.purs:13:1 - 13:57 (line 13, column 1 - line 13, column 57)

    The qualified import of Web.DOM.DOMTokenList as DOMTokenList is redundant

  See https://github.com/purescript/documentation/blob/master/errors/UnusedImport.md for more informat
ion,
  or to contribute content related to this warning.

done.
2022-05-24 19:34:20.597360: [debug] Transformed config is the same as the read one, not overwriting it
@(src/Spago/Prelude.hs:310:20)

Warning: Could not get or create the default cache directory:

↳ /homeless-shelter/.cache/dhall

You can enable caching by creating it if needed and setting read,
write and search permissions on it or providing another cache base
directory by setting the $XDG_CACHE_HOME environment variable.

spago: security: createProcess: posix_spawnp: permission denied (Read-only file system)

let me know if there any additional information i can provide

paulyoung commented 2 years ago

I found this issue after filing https://github.com/justinwoo/spago2nix/issues/52. Not sure if they're related.

@yuanwang-wf you can get past that error by setting HOME=$TMP before invoking spago.

paulyoung commented 2 years ago

@yuanwang-wf sorry, I misread, setting HOME will only help with:

Warning: Could not get or create the default cache directory:

↳ /homeless-shelter/.cache/dhall
paulyoung commented 2 years ago

Could there be a regression with the --no-install and/or --no-build flags?

In https://github.com/justinwoo/spago2nix/issues/52 I'm trying to run spago test --no-install was encountering the error that passing those flags is supposed to prevent (according to the spago2nix README)

After upgrading to 0.20.9 I get the same posix_spawnp error.

yuanwang-wf commented 2 years ago

i guess this correct workaround is

 frontendJs = pkgs.stdenv.mkDerivation {
    name = "frontendJs";
    buildInputs = [ spagoPkgs.installSpagoStyle spagoPkgs.buildSpagoStyle ];
    nativeBuildInputs = with pkgs; [ purs spago esbuild ];
    src = ./.;
    unpackPhase = ''
      cp $src/spago.dhall .
      cp $src/packages.dhall .
      cp -r $src/src .
      install-spago-style
    '';
    # https://github.com/purescript/spago/blob/310a7096b0d3e86f6464c667aa2339045d85d505/src/Spago/Build.hs#L422
    # https://esbuild.github.io/api/#transform-api
    buildPhase = ''
      build-spago-style "./src/**/*.purs"
      echo 'import {main} from "./output/Main/index.js"; main();' | esbuild --platform=browser --format=iife --bundle  --outfile="frontend.js"
    '';
    installPhase = ''
      mkdir $out
      mv frontend.js $out/
    '';
  };

we need echo esbuild transform-api to invoke main method.

i think the issue caused from here

https://github.com/purescript/spago/blob/678e004be05ac5126e718bb24bb2dd3870d1c66f/src/Spago/Prelude.hs#L279

do we have to use Turtle.shell https://hackage.haskell.org/package/turtle-1.6.1/docs/Turtle-Prelude.html#v:shell for nix derivation ?

f-f commented 2 years ago

@yuanwang-wf we used to have a mix of shell and proc before, so this is a good candidate for a regression. Have you tried patching in shell in place for proc and seeing if it improves?

yuanwang-wf commented 2 years ago

thanks for the confirmation , i can give a try

yuanwang-wf commented 2 years ago

hey @f-f

patching shell for proc seems fix this particular issue on my machine

this is the patching diff

https://github.com/purescript/spago/compare/master...yuanwang-wf:debug

and i pulled this patched spago in another nix flake repo

https://github.com/yuanwang-wf/nix-haskell-devshell-template/blob/debug-spago/servant-halogen/flake.nix#L18

with this patched spago, i was able to bundle the js in a nix derivation locally (had to pull git as build input)

https://github.com/yuanwang-wf/nix-haskell-devshell-template/blob/debug-spago/servant-halogen/frontends/default.nix#L23

i verified there is no difference between the spago bundle results and direct esbuild bundle result in this repo.

is there anything else i can help with ? i am not sure how to fix the issue: introduce a new command line flag ? or invoke Turtle.shell in no-install mode ?

f-f commented 2 years ago

Can you open a pull request with the patch? So that we can have CI run for all OSs and we can see if there are any regressions anywhere

yuanwang-wf commented 2 years ago

@f-f hey, i opened https://github.com/purescript/spago/pull/891, it seems there are some approval needed to kick out the CI runs

f-f commented 2 years ago

I approved the workflow and CI passes so I think the patch is good - I now wonder if we're able to write a test that fails with the current code but passes with the patch?

yuanwang-wf commented 2 years ago

since the failure was due to a failure on posix_spawn on a read only path , to add a haskell test to verify that we need to do chmod using turtle and clean up chmod change once test finish? I can give a try, let me know if you have any suggestion or idea on the test implementation

f-f commented 1 year ago

Spago was rewritten in PureScript so I expect that the nix machinery will be very different this time around - closing for now