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(.module:
[library
[lux {"-" [Source]}
[abstract
["." monad {"+" [do]}]]
[control
["." try {"+" [Try]}]
[concurrency
["." async {"+" [Async]}]]]
[data
["." text
["%" format {"+" [format]}]]
[collection
["." dictionary]
["." row]]
[format
["." binary]
["." tar]]]
[time
["." instant]]
[tool
[compiler
[meta
["." io "_"
["#" context {"+" [Extension]}]]]]]
[world
["." file]]]]
[//
[cli {"+" [Source Export]}]])
(def: file
"library.tar")
(def: no_ownership
tar.Ownership
(let [commons (: tar.Owner
[#tar.name tar.anonymous
#tar.id tar.no_id])]
[#tar.user commons
#tar.group commons]))
(def: .public (library fs sources)
(-> (file.System Async) (List Source) (Async (Try tar.Tar)))
(do (try.with async.monad)
[files (io.listing fs sources)]
(|> (dictionary.entries files)
(monad.each try.monad
(function (_ [path source_code])
(do try.monad
[path (|> path
(text.replaced (\ fs separator) .module_separator)
tar.path)
source_code (tar.content source_code)]
(in (#tar.Normal [path
(instant.of_millis +0)
($_ tar.and
tar.read_by_owner tar.write_by_owner
tar.read_by_group tar.write_by_group
tar.read_by_other)
..no_ownership
source_code])))))
(\ try.monad each row.of_list)
(\ async.monad in))))
(def: .public (export fs [sources target])
(-> (file.System Async) Export (Async (Try Any)))
(do {! (try.with async.monad)}
[tar (\ ! each (binary.result tar.writer)
(..library fs sources))]
(|> ..file
(format target (\ fs separator))
(\ fs write tar))))
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