Provision sed for windows 10

Sed is needed by webassembly build. Cannot use sed from msys as
having msys bin folder in path breaks webassembly build.

Task-number: QTQAINFRA-2835
Change-Id: I6ad06f0a952a0d8bc5d21e62f8c2cef70f40c618
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>

coin/provisioning/common/windows/helpers.ps1

@@ -136,6 +136,18 @@ function Add-Path
     $Env:PATH = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
 }
 
+function Prepend-Path
+{
+    Param (
+        [string]$Path
+    )
+    Write-Host "Adding $Path to Path"
+
+    $oldPath = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
+    [Environment]::SetEnvironmentVariable("Path", "$Path;" + $oldPath, [EnvironmentVariableTarget]::Machine)
+    $Env:PATH = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
+}
+
 function Set-EnvironmentVariable
 {
     Param (

coin/provisioning/common/windows/install-sed.ps1

@@ -0,0 +1,60 @@
+############################################################################
+##
+## Copyright (C) 2019 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the provisioning scripts of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:LGPL21$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see http://www.qt.io/terms-conditions. For further
+## information use the contact form at http://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 2.1 or version 3 as published by the Free
+## Software Foundation and appearing in the file LICENSE.LGPLv21 and
+## LICENSE.LGPLv3 included in the packaging of this file. Please review the
+## following information to ensure the GNU Lesser General Public License
+## requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+##
+## As a special exception, The Qt Company gives you certain additional
+## rights. These rights are described in The Qt Company LGPL Exception
+## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+. "$PSScriptRoot\helpers.ps1"
+
+# This script installs sed and it's dependencies
+
+$prog = "sed"
+$version = "4.2.1"
+$sha1 = "dfd3d1dae27a24784d7ab40eb074196509fa48fe"
+$dep_sha1 = "f7edbd7152d8720c95d46dd128b87b8ba48a5d6f"
+$pkg = "$prog-$version-bin.zip"
+$dep_pkg = "$prog-$version-dep.zip"
+$cached_url = "http://ci-files01-hki.intra.qt.io/input/windows/gnuwin32/$pkg"
+$dep_cached_url = "http://ci-files01-hki.intra.qt.io/input/windows/gnuwin32/$dep_pkg"
+$install_location = "c:\Utils\$prog"
+
+$tmp_location = "c:\users\qt\downloads"
+Download $cached_url $cached_url "$tmp_location\$pkg"
+Verify-Checksum "$tmp_location\$pkg" $sha1 sha1
+Download $dep_cached_url $dep_cached_url "$tmp_location\$dep_pkg"
+Verify-Checksum "$tmp_location\$dep_pkg" $dep_sha1 sha1
+
+Extract-7Zip "$tmp_location\$pkg" $install_location
+Extract-7Zip "$tmp_location\$dep_pkg" $install_location
+Remove "$tmp_location\$pkg"
+Remove "$tmp_location\$dep_pkg"
+
+Prepend-Path "$install_location\bin"
+Write-Output "sed = $version" >> ~/versions.txt

coin/provisioning/qtci-windows-10-x86_64/09-install-sed.ps1

@@ -0,0 +1 @@
+. "$PSScriptRoot\..\common\windows\install-sed.ps1"