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(.module:
[lux #*
[abstract
["." monad (#+ do)]]
[control
["." io (#+ IO)]
["." try (#+ Try)]
[concurrency
["." promise (#+ Promise)]]
[security
["!" capability]]]
[data
[binary (#+ Binary)]
["." text
["%" format (#+ format)]
["." encoding]]
[collection
["." list ("#@." monoid)]
["." dictionary]]
[format
["." binary]
["." tar]
["." xml]]]
[world
["." file (#+ Path File Directory)]]]
[program
[compositor
["." export]]]
["." // #_
["/" project (#+ Project)]
["#." extension]
["#." pom]
["#." artifact (#+ Artifact)]
["#." dependency (#+ Package Resolution Dependency)]
["#." hash]])
(def: (local system)
(All [a] (-> (file.System a) Path))
(format "~" (:: system separator) ".m2"))
(def: (repository system)
(All [a] (-> (file.System a) Path))
(format (..local system) (:: system separator) "repository"))
(def: (guarantee-repository! system artifact)
(-> (file.System Promise) Artifact (Promise (Try Path)))
(do {@ (try.with promise.monad)}
[_ (: (Promise (Try (Directory Promise)))
(file.get-directory promise.monad system (..local system)))
#let [root (..repository system)]
_ (: (Promise (Try (Directory Promise)))
(file.get-directory promise.monad system root))]
(monad.fold @
(function (_ child parent)
(do @
[#let [path (format parent (:: system separator) child)]
_ (: (Promise (Try (Directory Promise)))
(file.get-directory promise.monad system path))]
(wrap path)))
root
(//artifact.local artifact))))
(def: (save! system content file)
(-> (file.System Promise) Binary Path (Promise (Try Any)))
(do (try.with promise.monad)
[file (: (Promise (Try (File Promise)))
(file.get-file promise.monad system file))]
(!.use (:: file over-write) [content])))
(def: #export (install system project)
(-> (file.System Promise) Project (Promise (Try Any)))
(do (try.with promise.monad)
[repository (..guarantee-repository! system (get@ #/.identity project))
#let [identity (get@ #/.identity project)
artifact-name (format repository (:: system separator) (//artifact.identity identity))]
package (export.library system (get@ #/.sources project))
_ (..save! system (binary.run tar.writer package)
(format artifact-name "." //dependency.lux-library))]
(..save! system (|> project //pom.project (:: xml.codec encode) encoding.to-utf8)
(format artifact-name //extension.pom))))
(def: #export (cache system [artifact type] package)
(-> (file.System Promise) Dependency Package (Promise (Try Any)))
(do (try.with promise.monad)
[directory (..guarantee-repository! system artifact)
#let [prefix (format directory (:: system separator) (//artifact.identity artifact))]
directory (: (Promise (Try (Directory Promise)))
(file.get-directory promise.monad system directory))
_ (..save! system
(get@ #//dependency.library package)
(format prefix "." type))
_ (..save! system
(encoding.to-utf8 (get@ #//dependency.sha1 package))
(format prefix //extension.sha1))
_ (..save! system
(encoding.to-utf8 (get@ #//dependency.md5 package))
(format prefix //extension.md5))
_ (..save! system
(|> package (get@ #//dependency.pom) (:: xml.codec encode) encoding.to-utf8)
(format prefix //extension.pom))]
(wrap [])))
(def: #export (cache-all system resolution)
(-> (file.System Promise) Resolution (Promise (Try Any)))
(do {@ (try.with promise.monad)}
[_ (monad.map @ (function (_ [dependency package])
(..cache system dependency package))
(dictionary.entries resolution))]
(wrap [])))
(def: (read! system path)
(-> (file.System Promise) Path (Promise (Try Binary)))
(do (try.with promise.monad)
[file (: (Promise (Try (File Promise)))
(!.use (:: system file) path))]
(!.use (:: file content) [])))
(def: #export (cached system [artifact type])
(-> (file.System Promise) Dependency (Promise (Try Package)))
(do (try.with promise.monad)
[directory (..guarantee-repository! system artifact)
#let [prefix (format directory (:: system separator) (//artifact.identity artifact))]
pom (..read! system (format prefix //extension.pom))
[pom dependencies] (:: promise.monad wrap
(do try.monad
[pom (encoding.from-utf8 pom)
pom (:: xml.codec decode pom)
dependencies (//dependency.from-pom pom)]
(wrap [pom dependencies])))
library (..read! system (format prefix "." type))
sha1 (..read! system (format prefix //extension.sha1))
md5 (..read! system (format prefix //extension.md5))]
(wrap {#//dependency.library library
#//dependency.pom pom
#//dependency.dependencies dependencies
#//dependency.sha1 (//hash.representation sha1)
#//dependency.md5 (//hash.representation md5)})))
(def: #export (all-cached system dependencies resolution)
(-> (file.System Promise) (List Dependency) Resolution (Promise (Try Resolution)))
(case dependencies
#.Nil
(:: (try.with promise.monad) wrap resolution)
(#.Cons head tail)
(do promise.monad
[package (case (dictionary.get head resolution)
(#.Some package)
(wrap (#try.Success package))
#.None
(..cached system head))]
(with-expansions [<next> (as-is (all-cached system tail resolution))]
(case package
(#try.Success package)
(let [resolution (dictionary.put head package resolution)]
(do (try.with promise.monad)
[resolution (all-cached system (get@ #//dependency.dependencies package) resolution)]
<next>))
(#try.Failure error)
<next>)))))
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