Aegisub/aegisub/build/BuildTasks/DependencyFetchers.fs

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// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
module DependencyFetchers
open System
open System.Diagnostics
open System.Linq
open Microsoft.Build.Evaluation
open Microsoft.Build.Framework
open Microsoft.Build.Utilities
type GitWrapper(path : String) =
inherit ToolTask()
member val Arguments = "" with get, set
member val WorkingDirectory = "" with get, set
// ToolTask overrides
override val ToolName = "git.exe" with get
override this.GenerateFullPathToTool() = path
override this.GenerateCommandLineCommands() = this.Arguments
override this.GetWorkingDirectory() = this.WorkingDirectory
override this.Execute() =
if this.GenerateFullPathToTool() |> IO.File.Exists |> not then
failwith "git.exe not found. Make sure the MSYS root is set to a correct location."
this.UseCommandProcessor <- false
this.StandardOutputImportance <- "High"
base.Execute()
type GitProject() =
inherit Task()
member val Projects : ITaskItem[] = null with get, set
member val Root = "" with get, set
member val GitPath = "" with get, set
override this.Execute() =
let callGit dir args =
let gw = GitWrapper(this.GitPath,
BuildEngine = this.BuildEngine,
HostObject = this.HostObject,
Arguments = args,
WorkingDirectory = dir)
if not <| gw.Execute() then failwith "git failed"
let update (projectName : String) directory url =
this.Log.LogMessage ("Updating {0}", projectName)
callGit directory "pull --rebase"
callGit directory "clean -xfd"
let fetch (projectName : String) root (url : ITaskItem) =
this.Log.LogMessage ("Fetching {0}", projectName)
ignore <| IO.Directory.CreateDirectory root
callGit root (sprintf "clone %s --no-checkout" url.ItemSpec)
let dir = (sprintf "%s\\%s" root projectName)
let autocrlf = url.GetMetadata "AutoCrlf"
if autocrlf.Length > 0
then callGit dir (sprintf "config --local core.autocrlf %s" autocrlf)
let branch = match url.GetMetadata("Branch") with "" -> "master" | x -> x
callGit dir (sprintf "checkout %s" branch)
let updateGit (url : ITaskItem) =
let projectName = Uri(url.ItemSpec).Segments.Last().Replace(".git", "")
let directory = sprintf "%s\\%s" this.Root projectName
if IO.Directory.Exists directory
then update projectName directory url
else fetch projectName this.Root url
this.Log.LogMessage ("Using git at {0}", this.GitPath)
try
this.Projects |> Array.map updateGit |> ignore
true
with e ->
this.Log.LogErrorFromException e
false
let downloadArchive (url : String) unpackDest =
use wc = new Net.WebClient()
use downloadStream = wc.OpenRead url
use gzStream = new ICSharpCode.SharpZipLib.GZip.GZipInputStream(downloadStream)
use tarStream = new ICSharpCode.SharpZipLib.Tar.TarInputStream(gzStream)
use tarArchive = ICSharpCode.SharpZipLib.Tar.TarArchive.CreateInputTarArchive tarStream
tarArchive.ExtractContents unpackDest
type TarballProject() =
inherit Task()
member val Projects : ITaskItem[] = null with get, set
member val Root = "" with get, set
override this.Execute() =
let needsUpdate directory version =
try
not <| String.Equals(sprintf "%s\\version.aegisub" directory |> IO.File.ReadAllText, version)
with | :? IO.IOException -> true
let update directory (project : ITaskItem) version =
try IO.Directory.Delete(directory, true) with | :? IO.IOException -> ()
this.Log.LogMessage ("Downloading {0} {1} from {2}", project.ItemSpec, version, project.GetMetadata "Url")
downloadArchive (project.GetMetadata "Url") (sprintf @"%s\.." directory)
let dirname = project.GetMetadata "DirName"
if not <| String.IsNullOrWhiteSpace dirname
then IO.Directory.Move(dirname |> sprintf @"%s\..\%s" directory, directory)
IO.File.WriteAllText(sprintf @"%s\version.aegisub" directory, version)
let check (project : ITaskItem) =
let directory = sprintf "%s\\%s" this.Root project.ItemSpec
let version = project.GetMetadata "Version"
if needsUpdate directory <| version
then update directory project version
else this.Log.LogMessage <| sprintf "%s is up to date" project.ItemSpec
try
this.Projects |> Array.map check |> ignore
true
with e ->
this.Log.LogErrorFromException e
false
type DownloadTgzFile() =
inherit Task()
member val Url = "" with get, set
member val Destination = "" with get, set
member val OutputFile = "" with get, set
member val Hash = "" with get, set
override this.Execute() =
let needsDownload =
try
use fs = IO.File.OpenRead this.OutputFile
let sha = new Security.Cryptography.SHA1Managed ()
let hash = sha.ComputeHash fs
BitConverter.ToString(hash).Replace("-", "") <> this.Hash
with | :? IO.IOException -> true
try
if needsDownload
then downloadArchive this.Url this.Destination
true
with e ->
this.Log.LogErrorFromException e
false