2012-11-16 19:17:20 +01:00
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// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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module DependencyFetchers
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open System
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open System.Diagnostics
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open System.Linq
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open Microsoft.Build.Evaluation
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open Microsoft.Build.Framework
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open Microsoft.Build.Utilities
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2013-02-06 20:05:13 +01:00
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let downloadArchive (url : String) unpackDest =
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use wc = new Net.WebClient()
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use downloadStream = wc.OpenRead url
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use gzStream = new ICSharpCode.SharpZipLib.GZip.GZipInputStream(downloadStream)
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use tarStream = new ICSharpCode.SharpZipLib.Tar.TarInputStream(gzStream)
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use tarArchive = ICSharpCode.SharpZipLib.Tar.TarArchive.CreateInputTarArchive tarStream
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tarArchive.ExtractContents unpackDest
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type DownloadTgzFile() =
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inherit Task()
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member val Url = "" with get, set
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member val Destination = "" with get, set
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member val OutputFile = "" with get, set
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member val Hash = "" with get, set
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override this.Execute() =
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let needsDownload =
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try
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use fs = IO.File.OpenRead this.OutputFile
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let sha = new Security.Cryptography.SHA1Managed ()
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let hash = sha.ComputeHash fs
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BitConverter.ToString(hash).Replace("-", "") <> this.Hash
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with | :? IO.IOException -> true
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try
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if needsDownload
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then downloadArchive this.Url this.Destination
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true
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with e ->
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this.Log.LogErrorFromException e
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false
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