1 files changed, 73 insertions, 0 deletions
diff --git a/scripts/fetchTool.ps1 b/scripts/fetchTool.ps1
new file mode 100644
index 000000000..1f72bb39e
--- /dev/null
+++ b/scripts/fetchTool.ps1
@@ -0,0 +1,73 @@
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory=$true)][string]$tool
+)
+
+$scriptsDir = split-path -parent $script:MyInvocation.MyCommand.Definition
+. "$scriptsDir\VcpkgPowershellUtils.ps1"
+
+Write-Verbose "Fetching tool: $tool"
+$vcpkgRootDir = vcpkgFindFileRecursivelyUp $scriptsDir .vcpkg-root
+
+$downloadsDir = "$vcpkgRootDir\downloads"
+vcpkgCreateDirectoryIfNotExists $downloadsDir
+
+function fetchToolInternal([Parameter(Mandatory=$true)][string]$tool)
+{
+    $tool = $tool.toLower()
+
+    [xml]$asXml = Get-Content "$scriptsDir\vcpkgTools.xml"
+    $toolData = $asXml.SelectSingleNode("//tools/tool[@name=`"$tool`"]") # Case-sensitive!
+
+    if ($toolData -eq $null)
+    {
+        throw "Unkown tool $tool"
+    }
+
+    $exePath = "$downloadsDir\$($toolData.exeRelativePath)"
+
+    if (Test-Path $exePath)
+    {
+        return $exePath
+    }
+
+    if ($toolData.archiveRelativePath)
+    {
+        $downloadPath = "$downloadsDir\$($toolData.archiveRelativePath)"
+    }
+    else
+    {
+        $downloadPath = "$downloadsDir\$($toolData.exeRelativePath)"
+    }
+
+    $url = $toolData.url
+    if (!(Test-Path $downloadPath))
+    {
+        Write-Host "Downloading $tool..."
+        vcpkgDownloadFile $url $downloadPath
+        Write-Host "Downloading $tool has completed successfully."
+    }
+
+    $expectedDownloadedFileHash = $toolData.sha256
+    $downloadedFileHash = vcpkgGetSHA256 $downloadPath
+    vcpkgCheckEqualFileHash -filePath $downloadPath -expectedHash $expectedDownloadedFileHash -actualHash $downloadedFileHash
+
+    if ($toolData.archiveRelativePath)
+    {
+        $outFilename = (Get-ChildItem $downloadPath).BaseName
+        Write-Host "Extracting $tool..."
+        vcpkgExtractFile -File $downloadPath -DestinationDir $downloadsDir -outFilename $outFilename
+        Write-Host "Extracting $tool has completed successfully."
+    }
+
+    if (-not (Test-Path $exePath))
+    {
+        throw ("Could not detect or download " + $tool)
+    }
+
+    return $exePath
+}
+
+$path = fetchToolInternal $tool
+Write-Verbose "Fetching tool: $tool. Done."
+return "<sol>::$path::<eol>"