Merge remote-tracking branch 'origin/5.11' into dev

Change-Id: I45b92cefd7f14bbe99a6fa2d31b8d14bb41da21a
2026-02-01 19:36:04 +08:00 · 2018-02-27 11:27:21 +01:00
parent 20b1d0a54b 399cface18
commit 0f22ce6a71
58 changed files with 490 additions and 384 deletions
--- a/coin/provisioning/common/windows/03-conan.ps1
+++ b/coin/provisioning/common/windows/03-conan.ps1
@@ -2,18 +2,12 @@

 $scriptsPath = "C:\Python27\Scripts"

-& "$scriptsPath\pip.exe" install --upgrade conan==0.24.0
+Run-Executable "$scriptsPath\pip.exe" "install --upgrade conan==0.24.0"

 # Use Qt Project repository by default
-& "$scriptsPath\conan.exe" remote add qtproject https://api.bintray.com/conan/qtproject/conan --insert
+Run-Executable "$scriptsPath\conan.exe" "remote add qtproject https://api.bintray.com/conan/qtproject/conan --insert"

-[Environment]::SetEnvironmentVariable("CI_CONAN_BUILDINFO_DIR", "C:\Utils\conanbuildinfos", "Machine")
-
-function Start-Process-Logged
-{
-    Write-Host "Start-Process", $args
-    Start-Process @args
-}
+Set-EnvironmentVariable "CI_CONAN_BUILDINFO_DIR" "C:\Utils\conanbuildinfos"

 function Run-Conan-Install
 {
@@ -43,18 +37,20 @@ function Run-Conan-Install
        $outpwd = "C:\Utils\conanbuildinfos\$($BuildinfoDir)\$($_.BaseName)"
        New-Item $outpwd -Type directory -Force

-        $process = Start-Process-Logged `
-            "$scriptsPath\conan.exe" `
-            -WorkingDirectory $outpwd `
-            -ArgumentList "install -f $conanfile --no-imports --verify $manifestsDir", `
-                '-s', ('compiler="' + $Compiler + '"'), `
-                "-s os=Windows -s arch=$Arch -s compiler.version=$CompilerVersion $extraArgs" `
-            -NoNewWindow -Wait -Verbose `
-            -PassThru # Return process object
-
-        if ($process.ExitCode -ne 0) {
-            Write-Host "conan exited with code $($process.ExitCode)"
-            Exit(1)
+        for ($i = 1; $i -le 5; $i++) {
+            try {
+                Push-Location $outpwd
+                Run-Executable "$scriptsPath\conan.exe" "install -f $conanfile --no-imports --verify $manifestsDir", `
+                    '-s', ('compiler="' + $Compiler + '"'), `
+                    "-s os=Windows -s arch=$Arch -s compiler.version=$CompilerVersion $extraArgs" `
+                break;
+            } catch {
+                if ($i -eq 5) {
+                    throw "Could not install conan content"
+                }
+            } finally {
+                Pop-Location
+            }
        }

        Copy-Item -Path $conanfile -Destination "$outpwd\conanfile.txt"
--- a/coin/provisioning/common/windows/3dstudio_3rdparty.ps1
+++ b/coin/provisioning/common/windows/3dstudio_3rdparty.ps1
@@ -6,6 +6,6 @@ $url = "http://ci-files01-hki.intra.qt.io/input/3rdparty/Qt3DStudio-3rdparty-win
 Download $url $url $zip
 Verify-Checksum $zip "08D740D2EFB4CBCDE7D012908B89AA48DE5CD4E1"
 Extract-Zip $zip C:\Utils\Qt3DStudio3rdparty
-Remove-Item $zip
+Remove-Item -Path $zip

-[Environment]::SetEnvironmentVariable("QT3DSTUDIO_3RDPARTY_DIR", "C:/Utils/Qt3DStudio3rdparty", "Machine")
+Set-EnvironmentVariable "QT3DSTUDIO_3RDPARTY_DIR" "C:/Utils/Qt3DStudio3rdparty"
--- a/coin/provisioning/common/windows/allow-remote-desktop-access.ps1
+++ b/coin/provisioning/common/windows/allow-remote-desktop-access.ps1
@@ -30,7 +30,8 @@
 ## $QT_END_LICENSE$
 ##
 #############################################################################
+. "$PSScriptRoot\helpers.ps1"

 # This script allows the Windows Remote Desktop Access

-reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 0 /f
+Run-Executable "reg.exe" "add `"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server`" /v fDenyTSConnections /t REG_DWORD /d 0 /f"
--- a/coin/provisioning/common/windows/android-openssl.ps1
+++ b/coin/provisioning/common/windows/android-openssl.ps1
@@ -47,23 +47,23 @@ $destination = "C:\Utils\openssl-android-master"
 Download https://www.openssl.org/source/openssl-$version.tar.gz \\ci-files01-hki.intra.qt.io\provisioning\openssl\openssl-$version.tar.gz $zip
 Verify-Checksum $zip $sha1

-C:\Utils\sevenzip\7z.exe x $zip -oC:\Utils
-C:\Utils\sevenzip\7z.exe x C:\Utils\openssl-$version.tar -oC:\Utils
+Extract-7Zip $zip C:\Utils
+Extract-7Zip C:\Utils\openssl-$version.tar C:\Utils
 Rename-Item C:\Utils\openssl-$version $destination
-Remove-Item $zip
+Remove-Item -Path $zip
 Remove-Item C:\Utils\openssl-$version.tar

-set CC=C:\utils\android-ndk-r10e\toolchains\arm-linux-androideabi-4.9\prebuilt\windows\bin\arm-linux-androideabi-gcc
-set AR=C:\utils\android-ndk-r10e\toolchains\arm-linux-androideabi-4.9\prebuilt\windows\bin\arm-linux-androideabi-ar
-set ANDROID_DEV=C:\utils\android-ndk-r10e\platforms\android-18\arch-arm\usr
+Set-EnvironmentVariable "CC" "C:\utils\android-ndk-r10e\toolchains\arm-linux-androideabi-4.9\prebuilt\windows\bin\arm-linux-androideabi-gcc"
+Set-EnvironmentVariable "AR" "C:\utils\android-ndk-r10e\toolchains\arm-linux-androideabi-4.9\prebuilt\windows\bin\arm-linux-androideabi-ar"
+Set-EnvironmentVariable "ANDROID_DEV" "C:\utils\android-ndk-r10e\platforms\android-18\arch-arm\usr"

 # Make sure configure for openssl has a "make" and "perl" available
 $env:PATH = $env:PATH + ";C:\msys\1.0\bin;C:\strawberry\perl\bin"

-echo "Configuring OpenSSL $version for Android..."
-pushd $destination
-C:\msys\1.0\bin\bash.exe -c "c:/strawberry/perl/bin/perl Configure shared android"
-popd
+Write-Host "Configuring OpenSSL $version for Android..."
+Push-Location $destination
+Run-Executable "C:\msys\1.0\bin\bash.exe" "-c `"c:/strawberry/perl/bin/perl Configure shared android`""
+Pop-Location

 # Following command is needed when using version 1.1.0. With version 1.1.0 msys is not needed.
 # C:\mingw530\bin\mingw32-make.exe include\openssl\opensslconf.h
--- a/coin/provisioning/common/windows/android.ps1
+++ b/coin/provisioning/common/windows/android.ps1
@@ -70,23 +70,19 @@ function Install($1, $2, $3, $4) {
 }

 function SdkUpdate ($1, $2) {
-    echo "Running Android SDK update for $1..."
+    Write-Host "Running Android SDK update for $1..."
    cmd /c "echo y |$1\tools\android update sdk --no-ui --all --filter $2"
 }

-echo "Installing Android ndk $nkdVersion"
+Write-Host "Installing Android ndk $nkdVersion"
 Install $ndkCachedUrl $ndkZip $ndkChecksum $ndkOfficialUrl
-echo "Set environment variable ANDROID_NDK_HOME=$ndkFolder"
-[Environment]::SetEnvironmentVariable("ANDROID_NDK_HOME", $ndkFolder, "Machine")
-echo "Set environment variable ANDROID_NDK_ROOT=$ndkFolder"
-[Environment]::SetEnvironmentVariable("ANDROID_NDK_ROOT", $ndkFolder, "Machine")
+Set-EnvironmentVariable "ANDROID_NDK_HOME" $ndkFolder
+Set-EnvironmentVariable "ANDROID_NDK_ROOT" $ndkFolder

-#echo "Installing Android sdk $sdkVersion"
+#Write-Host "Installing Android sdk $sdkVersion"
 Install $sdkCachedUrl $sdkZip $sdkChecksum $sdkOfficialUrl
-echo "Set environment variable ANDROID_SDK_HOME=$sdkFolder"
-[Environment]::SetEnvironmentVariable("ANDROID_SDK_HOME", $sdkFolder, "Machine")
-echo "Set environment variable ANDROID_API_VERSION $sdkApiLevel"
-[Environment]::SetEnvironmentVariable("ANDROID_API_VERSION", $sdkApiLevel, "Machine")
+Set-EnvironmentVariable "ANDROID_SDK_HOME" $sdkFolder
+Set-EnvironmentVariable "ANDROID_API_VERSION" $sdkApiLevel

 # SDK update
 SdkUpdate $sdkFolder $sdkApiLevel
@@ -94,5 +90,11 @@ SdkUpdate $sdkFolder tools
 SdkUpdate $sdkFolder platform-tools
 SdkUpdate $sdkFolder build-tools-$sdkBuildToolsVersion

-# kill adb. This process prevent's provisioning to continue
-taskkill /im adb.exe /f
+# kill adb. This process prevents provisioning to continue
+$p = Get-Process -Name "adb.exe" -ErrorAction:SilentlyContinue
+if ($p -ne $null) {
+    Write-Host "Stopping adb.exe"
+    Stop-Process -Force $p
+} else {
+    Write-Host "adb.exe not running"
+}
--- a/coin/provisioning/common/windows/cmake.ps1
+++ b/coin/provisioning/common/windows/cmake.ps1
@@ -40,7 +40,7 @@ $zip = "c:\users\qt\downloads\cmake-" + $version + "-win32-x86.zip"
 $officialurl = "https://cmake.org/files/v" + $majorminorversion + "/cmake-" + $version + "-win32-x86.zip"
 $cachedurl = "\\ci-files01-hki.intra.qt.io\provisioning\cmake\cmake-" + $version + "-win32-x86.zip"

-echo "Removing old cmake"
+Write-Host "Removing old cmake"
 Remove-Item "C:\CMake" -Force -Recurse -ErrorAction SilentlyContinue

 Download $officialurl $cachedurl $zip
@@ -52,5 +52,5 @@ Rename-Item $defaultinstallfolder C:\CMake

 Add-Path "C:\CMake\bin"

-echo "CMake = $version" >> ~\versions.txt
+Write-Output "CMake = $version" >> ~\versions.txt

--- a/coin/provisioning/common/windows/disable-ntp.ps1
+++ b/coin/provisioning/common/windows/disable-ntp.ps1
@@ -1,2 +1,4 @@
+. "$PSScriptRoot\helpers.ps1"
+
 # Disable the NTP from syncing
-w32tm /config /syncfromflags:NO
+Run-Executable "w32tm.exe" "/config /syncfromflags:NO"
--- a/coin/provisioning/common/windows/disable-sleep.ps1
+++ b/coin/provisioning/common/windows/disable-sleep.ps1
@@ -30,10 +30,11 @@
 ## $QT_END_LICENSE$
 ##
 #############################################################################
+. "$PSScriptRoot\helpers.ps1"

 # This script prevents Windows from going to sleep

-powercfg -change -monitor-timeout-ac 0
-powercfg -change -standby-timeout-ac 0
-powercfg -change -disk-timeout-ac 0
-powercfg -change -hibernate-timeout-ac 0
+Run-Executable "powercfg.exe" "-change -monitor-timeout-ac 0"
+Run-Executable "powercfg.exe" "-change -standby-timeout-ac 0"
+Run-Executable "powercfg.exe" "-change -disk-timeout-ac 0"
+Run-Executable "powercfg.exe" "-change -hibernate-timeout-ac 0"
--- a/coin/provisioning/common/windows/disable-uac.ps1
+++ b/coin/provisioning/common/windows/disable-uac.ps1
@@ -30,7 +30,8 @@
 ## $QT_END_LICENSE$
 ##
 #############################################################################
+. "$PSScriptRoot\helpers.ps1"

 # This script disables the Windows UAC

-C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
+Run-Executable "reg.exe" "ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f"
--- a/coin/provisioning/common/windows/disable-windefender.ps1
+++ b/coin/provisioning/common/windows/disable-windefender.ps1
@@ -2,4 +2,7 @@
 #
 # If disabled manually, windows will automatically enable it after
 # some period of time. Disabling it speeds up the builds.
-REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /V DisableAntiSpyware /T REG_dWORD /D 1 /F
+
+. "$PSScriptRoot\helpers.ps1"
+
+Run-Executable "reg.exe" "ADD `"HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender`" /V DisableAntiSpyware /T REG_dWORD /D 1 /F"
--- a/coin/provisioning/common/windows/disable-windows-updates.ps1
+++ b/coin/provisioning/common/windows/disable-windows-updates.ps1
@@ -43,7 +43,7 @@ if ($service.Status -eq "Stopped") {
    Write-Host "Windows Update service already stopped."
 } else {
    Write-Host "Stopping Windows Update service."
-    stop-service wuauserv
+    Stop-Service -Name "wuauserv" -Force
 }

 $startup = Get-WmiObject Win32_Service | Where-Object {$_.Name -eq "wuauserv"} | Select -ExpandProperty "StartMode"
--- a/coin/provisioning/common/windows/dxsdk.ps1
+++ b/coin/provisioning/common/windows/dxsdk.ps1
@@ -11,9 +11,9 @@ $exe = "C:\Windows\Temp\$package"

 Download $officialUrl $cachedUrl $exe

-echo "Installing DirectX SDK"
-cmd /c "$exe /u"
+Write-Host "Installing DirectX SDK"
+Run-Executable $exe "/u"

-Remove-Item $exe
+Remove-Item -Path $exe

-echo "DirectX SDK = 9.29.1962 (Jun 10)" >> ~\versions.txt
+Write-Output "DirectX SDK = 9.29.1962 (Jun 10)" >> ~\versions.txt
--- a/coin/provisioning/common/windows/fbx_windows.ps1
+++ b/coin/provisioning/common/windows/fbx_windows.ps1
@@ -51,18 +51,16 @@ $sha1 = "3690400625672bef6369bcf90dcde4d78b493b24"
 #$targetFile = "C:\Windows\Temp\$packageName"
 $targetFolder = "C:\Program Files\"

-#echo "Downloading '$installerName'"
+#Write-Host "Downloading '$installerName'"
 #Download $officialUrl $cacheUrl $targetFile
 #Verify-Checksum $targetFile $sha1

-echo "Extracting '$cacheUrl'"
-#Extract-7Zip $cacheUrl $targetFolder
-Start-Process -FilePath "C:\Utils\sevenzip\7z.exe" -ArgumentList "x -y `"$cacheUrl`" -o`"$targetFolder`"" -Wait
+Write-Host "Extracting '$cacheUrl'"
+Extract-7Zip $cacheUrl $targetFolder

 #Remove-Item -Recurse -Force "$packageName"

-echo "Adding environment variables."
-[Environment]::SetEnvironmentVariable("FBXSDK", "$targetFolder\Autodesk\FBX\FBX SDK\2016.1.2", [EnvironmentVariableTarget]::Machine)
+Set-EnvironmentVariable "FBXSDK" "$targetFolder\Autodesk\FBX\FBX SDK\2016.1.2"

-echo "FBX SDK = $version" >> ~\versions.txt
+Write-Output "FBX SDK = $version" >> ~\versions.txt

--- a/coin/provisioning/common/windows/helpers.ps1
+++ b/coin/provisioning/common/windows/helpers.ps1
@@ -5,13 +5,32 @@ function Verify-Checksum
        [string]$Expected=$(throw("Checksum required")),
        [ValidateSet("sha1","md5")][string]$Algorithm="sha1"
    )
+    Write-Host "Verifying checksum of $File"
    $fs = new-object System.IO.FileStream $File, "Open"
    $algo = [type]"System.Security.Cryptography.$Algorithm"
    $crypto = $algo::Create()
    $hash = [BitConverter]::ToString($crypto.ComputeHash($fs)).Replace("-", "")
    $fs.Close()
    if ($hash -ne $Expected) {
-        Write-Error "Checksum verification failed, got: '$hash' expected: '$Expected'"
+        throw "Checksum verification failed, got: '$hash' expected: '$Expected'"
+    }
+}
+
+function Run-Executable
+{
+    Param (
+        [string]$Executable=$(throw("You must specify a program to run.")),
+        [string[]]$Arguments
+    )
+    if ([string]::IsNullOrEmpty($Arguments)) {
+        Write-Host "Running `"$Executable`""
+        $p = Start-Process -FilePath "$Executable" -Wait -PassThru
+    } else {
+        Write-Host "Running `"$Executable`" with arguments `"$Arguments`""
+        $p = Start-Process -FilePath "$Executable" -ArgumentList $Arguments -Wait -PassThru
+    }
+    if ($p.ExitCode -ne 0) {
+        throw "Process $($Executable) exited with exit code $($p.ExitCode)"
    }
 }

@@ -21,24 +40,21 @@ function Extract-7Zip
        [string]$Source,
        [string]$Destination
    )
-    echo "Extracting '$Source' to '$Destination'..."
+    Write-Host "Extracting '$Source' to '$Destination'..."

    if ((Get-Command "7z.exe" -ErrorAction SilentlyContinue) -eq $null) {
-        $zipExe = join-path (${env:ProgramFiles(x86)}, ${env:ProgramFiles} -ne $null)[0] '7-zip\7z.exe'
+        $zipExe = join-path (${env:ProgramFiles(x86)}, ${env:ProgramFiles}, ${env:ProgramW6432} -ne $null)[0] '7-zip\7z.exe'
        if (-not (test-path $zipExe)) {
-            $zipExe = join-path ${env:ProgramW6432} '7-zip\7z.exe'
+            $zipExe = "C:\Utils\sevenzip\7z.exe"
            if (-not (test-path $zipExe)) {
-                $zipExe = "C:\Utils\sevenzip\7z.exe"
-                if (-not (test-path $zipExe)) {
-                    throw "Could not find 7-zip."
-                }
+                throw "Could not find 7-zip."
            }
        }
    } else {
        $zipExe = "7z.exe"
    }

-    & $zipExe x $Source "-o$Destination" -y
+    Run-Executable "$zipExe" "x -y `"-o$Destination`" `"$Source`""
 }

 function Extract-Zip
@@ -47,7 +63,7 @@ function Extract-Zip
        [string]$Source,
        [string]$Destination
    )
-    echo "Extracting '$Source' to '$Destination'..."
+    Write-Host "Extracting '$Source' to '$Destination'..."

    New-Item -ItemType Directory -Force -Path $Destination
    $shell = new-object -com shell.application
@@ -66,7 +82,7 @@ function Extract-Dev-Folders-From-Zip

    $shell = new-object -com shell.application

-    echo "Extracting contents of $package"
+    Write-Host "Extracting contents of $package"
    foreach ($subDir in "lib", "include", "bin", "share") {
        $zip = $shell.Namespace($package + "\" + $zipDir + "\" + $subDir)
        if ($zip) {
@@ -97,12 +113,14 @@ function Download
    )
    $ProgressPreference = 'SilentlyContinue'
    try {
+        Write-Host "Downloading from cached location ($CachedUrl) to $Destination"
        if ($CachedUrl.StartsWith("http")) {
            Invoke-WebRequest -UseBasicParsing $CachedUrl -OutFile $Destination
        } else {
            Copy-Item $CachedUrl $Destination
        }
    } catch {
+        Write-Host "Cached download failed: Downloading from official location: $OfficialUrl"
        Invoke-WebRequest -UseBasicParsing $OfficialUrl -OutFile $Destination
    }
 }
@@ -112,37 +130,27 @@ function Add-Path
    Param (
        [string]$Path
    )
-    echo "Adding $Path to Path"
+    Write-Host "Adding $Path to Path"

    $oldPath = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
    [Environment]::SetEnvironmentVariable("Path", $oldPath + ";$Path", [EnvironmentVariableTarget]::Machine)
    $Env:PATH = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
 }

-function is64bitWinHost
-{
-    if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64")) {
-        return 1
-    }
-    else {
-        return 0
-    }
-}
-
-Function Execute-Command
+function Set-EnvironmentVariable
 {
    Param (
-       [string]$command
+        [string]$Key = $(BadParam("a key")),
+        [string]$Value = $(BadParam("a value."))
    )
-    Try {
-        echo "Executing command '$command'..."
-        $process = Start-Process -FilePath "cmd" -ArgumentList "/c $command" -PassThru -Wait -WindowStyle Hidden
-        if ($process.ExitCode) {throw "Error running command: '$command'"}
-    }
-    Catch {
-        $_.Exception.Message
-        exit 1
-    }
+    Write-Host "Setting environment variable `"$($Key)`" to `"$($Value)`""
+
+    [Environment]::SetEnvironmentVariable($Key, $Value, [EnvironmentVariableTarget]::Machine)
+}
+
+function Is64BitWinHost
+{
+    return [environment]::Is64BitOperatingSystem
 }

 function isProxyEnabled {
--- a/coin/provisioning/common/windows/icu.ps1
+++ b/coin/provisioning/common/windows/icu.ps1
@@ -37,9 +37,9 @@

 $version = "53_1"

-if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64")) {
+if (Is64BitWinHost) {

 # FIXME: do we really want to use the 4.8.2 ICU build?
-[Environment]::SetEnvironmentVariable("CI_ICU_PATH_Mingw49", "C:\Utils\icu_53_1_Mingw_builds_4_8_2_posix_seh_64_devel\icu53_1", "Machine")
+Set-EnvironmentVariable "CI_ICU_PATH_Mingw49" "C:\Utils\icu_53_1_Mingw_builds_4_8_2_posix_seh_64_devel\icu53_1"

 }
--- a/coin/provisioning/common/windows/install-dependencywalker.ps1
+++ b/coin/provisioning/common/windows/install-dependencywalker.ps1
@@ -36,11 +36,10 @@
 # This script will install Dependency Walker 2.2.6000

 $version = "2.2.6000"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "_x64"
    $sha1 = "4831D2A8376D64110FF9CD18799FE6C69509D3EA"
-}
-else {
+} else {
    $arch = "_x86"
    $sha1 = "bfec714057e8449b0246051be99ba46a7760bab9"
 }
@@ -49,15 +48,15 @@ $url_official = "http://www.dependencywalker.com/depends22" + $arch + ".zip"
 $dependsPackage = "C:\Windows\Temp\depends-$version.zip"

 $TARGETDIR = "C:\Utils\dependencywalker"
-if(!(Test-Path -Path $TARGETDIR )){
+if (!(Test-Path -Path $TARGETDIR )) {
    New-Item -ItemType directory -Path $TARGETDIR
 }
 Download $url_official $url_cache $dependsPackage
 Verify-Checksum $dependsPackage $sha1

-Get-ChildItem $dependsPackage | % {& "C:\Utils\sevenzip\7z.exe" "x" $_.fullname "-o$TARGETDIR"}
+Extract-7Zip $dependsPackage $TARGETDIR

-echo "Cleaning $dependsPackage.."
-Remove-Item -Recurse -Force "$dependsPackage"
+Write-Host "Cleaning $dependsPackage.."
+Remove-Item -Recurse -Force -Path "$dependsPackage"

-echo "Dependency Walker = $version" >> ~\versions.txt
+Write-Output "Dependency Walker = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/install-git.ps1
+++ b/coin/provisioning/common/windows/install-git.ps1
@@ -35,11 +35,10 @@
 # Install Git version 2.13.0

 $version = "2.13.0"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "-64-bit"
    $sha1 = "E1D7C6E5E16ACAF3C108064A2ED158F604FA29A7"
-}
-else {
+} else {
    $arch = "-32-bit"
    $sha1 = "03c7df2e4ef61ea6b6f9c0eb7e6d5151d9682aec"
 }
@@ -47,11 +46,11 @@ $gitPackage = "C:\Windows\Temp\Git-" + $version + $arch + ".exe"
 $url_cache = "\\ci-files01-hki.intra.qt.io\provisioning\windows\Git-" + $version + $arch + ".exe"
 $url_official = "https://github.com/git-for-windows/git/releases/download/v" + $version + ".windows.1/Git-" + $version + $arch + ".exe"

-echo "Fetching Git $version..."
+Write-Host "Fetching Git $version..."
 Download $url_official $url_cache $gitPackage
 Verify-Checksum $gitPackage $sha1
-echo "Installing Git $version..."
-cmd /c "$gitPackage /SILENT /COMPONENTS="icons,ext\reg\shellhere,assoc,assoc_sh""
-remove-item $gitPackage
+Write-Host "Installing Git $version..."
+Run-Executable "$gitPackage" "/SILENT /COMPONENTS=`"icons,ext\reg\shellhere,assoc,assoc_sh`""
+Remove-Item -Path $gitPackage

-echo "Git = $version" >> ~\versions.txt
+Write-Output "Git = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/install-jdk.ps1
+++ b/coin/provisioning/common/windows/install-jdk.ps1
@@ -38,11 +38,10 @@
 $installdir = "C:\Program Files\Java\jdk1.8.0_144"

 $version = "8u144"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "x64"
    $sha1 = "adb03bc3f4b40bcb3227687860798981d58e1858"
-}
-else {
+} else {
    $arch = "i586"
    $sha1 = "3b9ab95914514eaefd72b815c5d9dd84c8e216fc"
 }
@@ -51,13 +50,13 @@ $url_cache = "\\ci-files01-hki.intra.qt.io\provisioning\windows\jdk-" + $version
 $official_url = "http://download.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-" + $version + "-windows-" + $arch + ".exe"
 $javaPackage = "C:\Windows\Temp\jdk-$version.exe"

-echo "Fetching Java SE $version..."
+Write-Host "Fetching Java SE $version..."
 $ProgressPreference = 'SilentlyContinue'
 try {
-    echo "...from local cache"
+    Write-Host "...from local cache"
    Download $url_cache $url_cache $javaPackage
 } catch {
-    echo "...from oracle.com"
+    Write-Host "...from oracle.com"
    $client = new-object System.Net.WebClient
    $cookie = "oraclelicense=accept-securebackup-cookie"
    $client.Headers.Add("Cookie", $cookie)
@@ -68,11 +67,11 @@ try {

 Verify-Checksum $javaPackage $sha1

-cmd /c "$javaPackage /s SPONSORS=0"
-echo "Cleaning $javaPackage.."
-Remove-Item -Recurse -Force "$javaPackage"
+Run-Executable "$javaPackage" "/s SPONSORS=0"
+Write-Host "Cleaning $javaPackage.."
+Remove-Item -Recurse -Force -Path "$javaPackage"

-[Environment]::SetEnvironmentVariable("JAVA_HOME", "$installdir", [EnvironmentVariableTarget]::Machine)
+Set-EnvironmentVariable "JAVA_HOME" "$installdir"
 Add-Path "$installdir\bin"

-echo "Java SE = $version $arch" >> ~\versions.txt
+Write-Output "Java SE = $version $arch" >> ~\versions.txt
--- a/coin/provisioning/common/windows/install-mingw.ps1
+++ b/coin/provisioning/common/windows/install-mingw.ps1
@@ -55,14 +55,13 @@ function InstallMinGW
    Download $url_official $url_cache $mingwPackage
    Verify-Checksum $mingwPackage $sha1

-    Get-ChildItem $mingwPackage | % {& "C:\Utils\sevenzip\7z.exe" "x" $_.fullname "-o$TARGETDIR"}
+    Extract-7Zip $mingwPackage $TARGETDIR

-    echo "Adding MinGW environment variable."
-    [Environment]::SetEnvironmentVariable("$envvar", "$targetdir\mingw" + $win_arch.Substring($win_arch.get_Length()-2), [EnvironmentVariableTarget]::Machine)
+    Set-EnvironmentVariable "$envvar" ("$targetdir\mingw" + $win_arch.Substring($win_arch.get_Length()-2))

-    echo "Cleaning $mingwPackage.."
-    Remove-Item -Recurse -Force "$mingwPackage"
+    Write-Host "Cleaning $mingwPackage.."
+    Remove-Item -Recurse -Force -Path "$mingwPackage"

-    echo "MinGW = $version $release" >> ~\versions.txt
+    Write-Output "MinGW = $version $release" >> ~\versions.txt

 }
--- a/coin/provisioning/common/windows/install-notepad++.ps1
+++ b/coin/provisioning/common/windows/install-notepad++.ps1
@@ -36,11 +36,10 @@
 # This script will install Notepad++

 $version = "7.3"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = ".x64"
    $sha1 = "E7306DF1D6E81801FB4BE0868610DB70E979B0AA"
-}
-else {
+} else {
    $arch = ""
    $sha1 = "d4c403675a21cc381f640b92e596bae3ef958dc6"
 }
@@ -50,13 +49,12 @@ $nppPackage = "C:\Windows\Temp\npp-$version.exe"

 Download $url_official $url_cache $nppPackage
 Verify-Checksum $nppPackage $sha1
-cmd /c "$nppPackage /S"
+Run-Executable "$nppPackage" "/S"

-echo "Cleaning $nppPackage.."
-Remove-Item -Recurse -Force "$nppPackage"
+Write-Host "Cleaning $nppPackage.."
+Remove-Item -Recurse -Force -Path "$nppPackage"

-echo "Notepad++ = $version" >> ~\versions.txt
+Write-Output "Notepad++ = $version" >> ~\versions.txt

+Write-Host "Disabling auto updates."
 Rename-Item -Path "C:\Program Files\Notepad++\updater" -NewName "updater_disabled"
-
-echo "Auto-updating disabled."
--- a/coin/provisioning/common/windows/install-ruby.ps1
+++ b/coin/provisioning/common/windows/install-ruby.ps1
@@ -36,11 +36,10 @@
 # This script will install Ruby

 $version = "2.4.2-2"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "-x64"
    $sha1 = "c961c2752a183487bc42ed24beb7e931230fa7d5"
-}
-else {
+} else {
    $arch = "-x86"
    $sha1 = "2639a481c3b5ad11f57d5523cc41ca884286089e"
 }
@@ -50,9 +49,9 @@ $rubyPackage = "C:\Windows\Temp\rubyinstaller-$version.exe"

 Download $url_official $url_cache $rubyPackage
 Verify-Checksum $rubyPackage $sha1
-Start-Process -FilePath $rubyPackage -ArgumentList "/dir=C:\Ruby-$version$arch /tasks=modpath /verysilent" -Wait
+Run-Executable $rubyPackage "/dir=C:\Ruby-$version$arch /tasks=modpath /verysilent"

-echo "Cleaning $rubyPackage.."
-Remove-Item -Recurse -Force "$rubyPackage"
+Write-Host "Cleaning $rubyPackage.."
+Remove-Item -Recurse -Force -Path "$rubyPackage"

-echo "Ruby = $version" >> ~\versions.txt
+Write-Output "Ruby = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/install-sevenzip.ps1
+++ b/coin/provisioning/common/windows/install-sevenzip.ps1
@@ -38,11 +38,10 @@
 $version = "16.04"
 $nonDottedVersion = "1604"

-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "-x64"
    $sha1 = "338A5CC5200E98EDD644FC21807FDBE59910C4D0"
-}
-else {
+} else {
    $arch = ""
    $sha1 = "dd1cb1163c5572951c9cd27f5a8dd550b33c58a4"
 }
@@ -54,11 +53,11 @@ $7zTargetLocation = "C:\Utils\sevenzip\"

 Download $url_official $url_cache $7zPackage
 Verify-Checksum $7zPackage $sha1
-Start-Process -FilePath $7zPackage -ArgumentList "/S","/D=$7zTargetLocation" -Wait
+Run-Executable $7zPackage "/S","/D=$7zTargetLocation"

-echo "Cleaning $7zPackage.."
-Remove-Item -Recurse -Force "$7zPackage"
+Write-Host "Cleaning $7zPackage.."
+Remove-Item -Recurse -Force -Path "$7zPackage"

 Add-Path $7zTargetLocation

-echo "7-Zip = $version" >> ~\versions.txt
+Write-Output "7-Zip = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/install-strawberry-perl.ps1
+++ b/coin/provisioning/common/windows/install-strawberry-perl.ps1
@@ -36,23 +36,23 @@
 # This script installs Strawberry Perl

 $version = "5.26.0.1"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = "-64bit"
    $sha1 = "2AE2EDA36A190701399130CBFEE04D00E9BA036D"
-}
-else {
+} else {
    $arch = "-32bit"
    $sha1 = "b50b688a879f33941433774b2813bfd4b917e4ee"
 }
-$url_cache = "\\ci-files01-hki.intra.qt.io\provisioning\windows\strawberry-perl-" + $version + $arch + ".msi"
-$url_official = "http://strawberryperl.com/download/" + $version + "/strawberry-perl-" + $version + $arch + ".msi"
-$strawberryPackage = "C:\Windows\Temp\strawberry-installer-$version.msi"
+$installer_name = "strawberry-perl-" + $version + $arch + ".msi"
+$url_cache = "\\ci-files01-hki.intra.qt.io\provisioning\windows\" + $installer_name
+$url_official = "http://strawberryperl.com/download/" + $version + "/" + $installer_name
+$strawberryPackage = "C:\Windows\Temp\" + $installer_name

 Download $url_official $url_cache $strawberryPackage
 Verify-Checksum $strawberryPackage $sha1
-cmd /c "$strawberryPackage /QB INSTALLDIR=C:\strawberry REBOOT=REALLYSUPPRESS"
+Run-Executable "$strawberryPackage" "/QB INSTALLDIR=C:\strawberry REBOOT=REALLYSUPPRESS"

-echo "Cleaning $strawberryPackage.."
-Remove-Item -Recurse -Force "$strawberryPackage"
+Write-Host "Cleaning $strawberryPackage.."
+Remove-Item -Recurse -Force -Path "$strawberryPackage"

-echo "strawberry = $version" >> ~\versions.txt
+Write-Output "strawberry = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/jom.ps1
+++ b/coin/provisioning/common/windows/jom.ps1
@@ -6,4 +6,4 @@ Invoke-WebRequest -UseBasicParsing http://download.qt.io/official_releases/jom/j
 Verify-Checksum $zip "80EE5678E714DE99DDAF5F7593AB04DB1C7928E4"
 Extract-Zip $zip C:\Utils\Jom

-[Environment]::SetEnvironmentVariable("CI_JOM_PATH", "C:\Utils\Jom", "Machine")
+Set-EnvironmentVariable "CI_JOM_PATH" "C:\Utils\Jom"
--- a/coin/provisioning/common/windows/libclang.ps1
+++ b/coin/provisioning/common/windows/libclang.ps1
@@ -22,9 +22,9 @@ if ( $archVer -eq 64 ) {
    Download $url $url $zip
    Verify-Checksum $zip $sha1

-    C:\Utils\sevenzip\7z.exe x $zip -oC:\Utils\
+    Extract-7Zip $zip C:\Utils\
    Rename-Item C:\Utils\libclang $destination
-    del $zip
+    Remove-Item -Force -Path $zip
 }

 $sha1 = "64e826c00ae632fbb28655e6e1fa9194980e1205"
@@ -34,9 +34,9 @@ $destination = $baseDestination + "-32"
 Download $url $url $zip
 Verify-Checksum $zip $sha1

-C:\Utils\sevenzip\7z.exe x $zip -oC:\Utils\
+Extract-7Zip $zip C:\Utils\
 Rename-Item C:\Utils\libclang $destination
-del $zip
+Remove-Item -Force -Path $zip

-[Environment]::SetEnvironmentVariable("LLVM_INSTALL_DIR", $baseDestination + "-_ARCH_", [EnvironmentVariableTarget]::Machine)
-echo "libClang = $libclang_version" >> ~/versions.txt
+Set-EnvironmentVariable "LLVM_INSTALL_DIR" ($baseDestination + "-_ARCH_")
+Write-Output "libClang = $libclang_version" >> ~/versions.txt
--- a/coin/provisioning/common/windows/libusb.ps1
+++ b/coin/provisioning/common/windows/libusb.ps1
@@ -44,4 +44,4 @@ Verify-Checksum $archive "396a3224c306480f24a583850d923d06aa4377c1"
 Extract-7Zip $archive $libusb_location

 # Tell qt-apps/qdb build system where to find libusb
-[Environment]::SetEnvironmentVariable("LIBUSB_PATH", $libusb_location, "Machine")
+Set-EnvironmentVariable "LIBUSB_PATH" $libusb_location
--- a/coin/provisioning/common/windows/memorypershell.ps1
+++ b/coin/provisioning/common/windows/memorypershell.ps1
@@ -1,3 +1,3 @@
 # This is needed e.g. for Android NDK installation for Windows 7 x86
-echo "Increase value of MaxMemoryPerShellMB to avoid 'out of memory' exception"
+Write-Host "Increase value of MaxMemoryPerShellMB to avoid 'out of memory' exception"
 set-item wsman:localhost\Shell\MaxMemoryPerShellMB 2048
--- a/coin/provisioning/common/windows/mesa_llvmpipe.ps1
+++ b/coin/provisioning/common/windows/mesa_llvmpipe.ps1
@@ -47,14 +47,15 @@ function Extract-Mesa
        [string]$targetFolder
    )
    Write-Host "Installing Mesa from $downloadUrl to $targetFolder"
-    $localArchivePath = "C:\Windows\temp\opengl32sw.7z"
-    Invoke-WebRequest -UseBasicParsing $downloadUrl -OutFile $localArchivePath
-    Verify-Checksum $localArchivePath $sha1
-    Get-ChildItem $package | % {& "C:\Utils\sevenzip\7z.exe" "x" "-y" $_.fullname "-o$targetFolder"}
-    Remove-Item $localArchivePath
+    Write-Host "Downloading $downloadUrl to $package"
+    Invoke-WebRequest -UseBasicParsing $downloadUrl -OutFile $package
+    Verify-Checksum $package $sha1
+    Extract-7Zip $package $targetFolder
+    Write-Host "Removing $package"
+    Remove-Item -Path $package
 }

-if ( Test-Path C:\Windows\SysWOW64 ) {
+if (Is64BitWinHost) {
    Extract-Mesa $mesaOpenglUrl_64 $mesaOpenglSha1_64 "C:\Windows\System32"
    Extract-Mesa $mesaOpenglUrl_32 $mesaOpenglSha1_32 "C:\Windows\SysWOW64"
 } else {
--- a/coin/provisioning/common/windows/mqtt_broker.ps1
+++ b/coin/provisioning/common/windows/mqtt_broker.ps1
@@ -33,7 +33,7 @@

 . "$PSScriptRoot\helpers.ps1"

-echo "MQTT: Downloading Paho test broker..."
+Write-Host "MQTT: Downloading Paho test broker..."
 $zip = "c:\users\qt\downloads\pahotest.zip"
 $externalUrl = "http://ci-files01-hki.ci.local/input/mqtt_broker/paho.mqtt.testing-c342c09dadc7a664d0a8befad1ca031f5a0b0bc0.zip"
 $internalUrl = "https://github.com/eclipse/paho.mqtt.testing/archive/c342c09dadc7a664d0a8befad1ca031f5a0b0bc0.zip"
@@ -42,9 +42,8 @@ $sha1 = "532fe145096cdd8d679f425cbfd883289150c968"
 Download $externalUrl $internalUrl $zip
 Verify-Checksum $zip $sha1

-echo "MQTT: Installing $zip..."
+Write-Host "MQTT: Installing $zip..."
 Extract-Zip $zip C:\Utils
-Remove-Item $zip
+Remove-Item -Path $zip

-echo "MQTT: Updating environment..."
-[Environment]::SetEnvironmentVariable("MQTT_TEST_BROKER_LOCATION", "C:\Utils\paho.mqtt.testing-c342c09dadc7a664d0a8befad1ca031f5a0b0bc0\interoperability\startbroker.py", "Machine")
+Set-EnvironmentVariable "MQTT_TEST_BROKER_LOCATION" "C:\Utils\paho.mqtt.testing-c342c09dadc7a664d0a8befad1ca031f5a0b0bc0\interoperability\startbroker.py"
--- a/coin/provisioning/common/windows/msvc_2015_update3_patch.ps1
+++ b/coin/provisioning/common/windows/msvc_2015_update3_patch.ps1
@@ -36,25 +36,31 @@
 # Original download page: https://msdn.microsoft.com/en-us/library/mt752379.aspx

 $version = "2015 update3 (KB3165756)"
-$package = "C:\Windows\Temp\vs14-kb3165756.exe"
+$packagePath = "C:\Windows\Temp"
+$package = $packagePath + "\vs14-kb3165756.exe"
 $url_cache = "http://ci-files01-hki.intra.qt.io/input/windows/vs14-kb3165756.exe"
 $url_official = "http://go.microsoft.com/fwlink/?LinkID=816878"
 $sha1 = "6a21d9b291ca75d44baad95e278fdc0d05d84c02"
-$preparedPackage="\\ci-files01-hki.intra.qt.io\provisioning\windows\vs14-kb3165756-update"
+$preparedPackage = "\\ci-files01-hki.intra.qt.io\provisioning\windows\vs14-kb3165756-update"

 if (Test-Path $preparedPackage) {
-    echo "Using prepared package"
-    pushd $preparedPackage
-    $commandLine = "$preparedPackage\vs14-kb3165756.exe"
+    # The prepared package contains updated packages so that not everything has to be downloaded
+    Write-Host "Using prepared package"
+    Copy-Item -Recurse $preparedPackage $packagePath
+    exit 0
+    # Remove the whole downloaded folder
+    $toRemove = $packagePath + "\vs14-kb3165756-update"
+    $executable = "$toRemove\vs14-kb3165756.exe"
 } else {
-    echo "Fetching patch for Visual Studio $version..."
+    Write-Host "Fetching patch for Visual Studio $version..."
    Download $url_official $url_cache $package
-    Verify-Checksum $package $sha1
-    $commandLine = $package
+    $executable = $package
+    # Remove the downloaded executable
+    $toRemove = $executable
 }
-echo "Installing patch for Visual Studio $version..."
-. $commandLine /norestart /passive

-if ($commandLine.StartsWith("C:\Windows")) {
-    remove-item $package
-}
+Verify-Checksum $executable $sha1
+Write-Host "Installing patch for Visual Studio $version..."
+Run-Executable $executable "/norestart /passive"
+
+Remove-Item -Force -Recurse -Path $toRemove
--- a/coin/provisioning/common/windows/mysql.ps1
+++ b/coin/provisioning/common/windows/mysql.ps1
@@ -48,16 +48,16 @@ function DownloadAndInstall
        [string]$installPath
    )

-    echo "Fetching from URL ..."
+    Write-Host "Fetching from URL ..."
    Copy-Item $internalUrl $package

    $zipDir = [io.path]::GetFileNameWithoutExtension($package)
    Extract-Dev-Folders-From-Zip $package $zipDir $installPath

-    Remove-Item $package
+    Remove-Item -Path $package
 }

-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    # Install x64 bit version
    $architecture = "x64"
    $installFolder = "C:\Utils\my_sql\my_sql"
@@ -65,26 +65,23 @@ if( (is64bitWinHost) -eq 1 ) {

    DownloadAndInstall $internalUrl $packagex64 $installFolder

-    echo "Set environment variables ..."
-    [Environment]::SetEnvironmentVariable("MYSQL_INCLUDE_x64", "$installFolder\include", "Machine")
-    [Environment]::SetEnvironmentVariable("MYSQL_LIB_x64", "$installFolder\lib", "Machine")
+    Set-EnvironmentVariable "MYSQL_INCLUDE_x64" "$installFolder\include"
+    Set-EnvironmentVariable "MYSQL_LIB_x64" "$installFolder\lib"
 }

 # Install x86 bit version
 $architecture = "x86"
 $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\windows\mysql-$version-win32.zip"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $installFolder = "C:\Utils\my_sql\my_sql$architecture"
-}
-else {
+} else {
    $installFolder = "C:\Utils\my_sql\my_sql"
 }

 DownloadAndInstall $internalUrl $packagex86 $installFolder

-echo "Set environment variables ..."
-[Environment]::SetEnvironmentVariable("MYSQL_INCLUDE_x86", "$installFolder\include", "Machine")
-[Environment]::SetEnvironmentVariable("MYSQL_LIB_x86", "$installFolder\lib", "Machine")
+Set-EnvironmentVariable "MYSQL_INCLUDE_x86" "$installFolder\include"
+Set-EnvironmentVariable "MYSQL_LIB_x86" "$installFolder\lib"

 # Store version information to ~/versions.txt, which is used to print version information to provision log.
-echo "MySQL = $version" >> ~/versions.txt
+Write-Output "MySQL = $version" >> ~/versions.txt
--- a/coin/provisioning/common/windows/ninja.ps1
+++ b/coin/provisioning/common/windows/ninja.ps1
@@ -6,6 +6,6 @@ Download https://github.com/ninja-build/ninja/releases/download/v1.6.0/ninja-win
 Verify-Checksum $zip "E01093F6533818425F8EFB0843CED7DCAABEA3B2"

 Extract-Zip $zip C:\Utils\Ninja
-Remove-Item $zip
+Remove-Item -Path $zip

 Add-Path "C:\Utils\Ninja"
--- a/coin/provisioning/common/windows/openssl.ps1
+++ b/coin/provisioning/common/windows/openssl.ps1
@@ -40,7 +40,7 @@ $version = "1_0_2j"
 $packagex64 = "C:\Windows\Temp\Win64OpenSSL-$version.exe"
 $packagex86 = "C:\Windows\Temp\Win32OpenSSL-$version.exe"

-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {

    # Install x64 bit version
    $architecture = "x64"
@@ -49,25 +49,24 @@ if( (is64bitWinHost) -eq 1 ) {
    $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\openssl\Win64OpenSSL-$version.exe"
    $sha1 = "b1660dbdcc77e1b3d81d780c7167be1c75384d44"

-    echo "Fetching from URL ..."
+    Write-Host "Fetching from URL ..."
    Download $externalUrl $internalUrl $packagex64
    Verify-Checksum $packagex64 $sha1
-    echo "Installing $packagex64 ..."
-    cmd /c "$packagex64 /SP- /SILENT /LOG /SUPPRESSMSGBOXES /NORESTART /DIR=$installFolder"
+    Write-Host "Installing $packagex64 ..."
+    Run-Executable "$packagex64" "/SP- /SILENT /LOG /SUPPRESSMSGBOXES /NORESTART /DIR=$installFolder"

-    echo "Remove downloaded $packagex64 ..."
-    Remove-Item $packagex64
+    Write-Host "Remove downloaded $packagex64 ..."
+    Remove-Item -Path $packagex64

-    echo "Set $architecture environment variables ..."
-    [Environment]::SetEnvironmentVariable("OPENSSL_CONF_x64", "$installFolder\bin\openssl.cfg", "Machine")
-    [Environment]::SetEnvironmentVariable("OPENSSL_INCLUDE_x64", "$installFolder\include", "Machine")
-    [Environment]::SetEnvironmentVariable("OPENSSL_LIB_x64", "$installFolder\lib", "Machine")
+    Set-EnvironmentVariable "OPENSSL_CONF_x64" "$installFolder\bin\openssl.cfg"
+    Set-EnvironmentVariable "OPENSSL_INCLUDE_x64" "$installFolder\include"
+    Set-EnvironmentVariable "OPENSSL_LIB_x64" "$installFolder\lib"
 }

 # Install x86 bit version
 $architecture = "x86"

-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $installFolder = "C:\openssl$architecture"
 } else {
    $installFolder = "C:\openssl"
@@ -77,19 +76,18 @@ $externalUrl = "https://slproweb.com/download/Win32OpenSSL-$version.exe"
 $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\openssl\Win32OpenSSL-$version.exe"
 $sha1 = "29b31d20545214ab4e4c57afb20be2338c317cc3"

-echo "Fetching from URL ..."
+Write-Host "Fetching from URL ..."
 Download $externalUrl $internalUrl $packagex86
 Verify-Checksum $packagex86 $sha1
-echo "Installing $packagex86 ..."
-cmd /c "$packagex86 /SP- /SILENT /LOG /SUPPRESSMSGBOXES /NORESTART /DIR=$installFolder"
+Write-Host "Installing $packagex86 ..."
+Run-Executable "$packagex86" "/SP- /SILENT /LOG /SUPPRESSMSGBOXES /NORESTART /DIR=$installFolder"

-echo "Remove downloaded $packagex86 ..."
-Remove-Item $packagex86
+Write-Host "Remove downloaded $packagex86 ..."
+Remove-Item -Path $packagex86

-echo "Set $architecture environment variables ..."
-[Environment]::SetEnvironmentVariable("OPENSSL_CONF_x86", "$installFolder\bin\openssl.cfg", "Machine")
-[Environment]::SetEnvironmentVariable("OPENSSL_INCLUDE_x86", "$installFolder\include", "Machine")
-[Environment]::SetEnvironmentVariable("OPENSSL_LIB_x86", "$installFolder\lib", "Machine")
+Set-EnvironmentVariable "OPENSSL_CONF_x86" "$installFolder\bin\openssl.cfg"
+Set-EnvironmentVariable "OPENSSL_INCLUDE_x86" "$installFolder\include"
+Set-EnvironmentVariable "OPENSSL_LIB_x86" "$installFolder\lib"

 # Store version information to ~/versions.txt, which is used to print version information to provision log.
-echo "OpenSSL = $version" >> ~/versions.txt
+Write-Output "OpenSSL = $version" >> ~/versions.txt
--- a/coin/provisioning/common/windows/postgresql.ps1
+++ b/coin/provisioning/common/windows/postgresql.ps1
@@ -40,7 +40,7 @@ $version = "9.1.9-1"
 $packagex64 = "C:\Windows\temp\postgresql-$version-windows-x64-binaries.zip"
 $packagex86 = "C:\Windows\temp\postgresql-$version-windows-binaries.zip"

-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    # Install x64 bit versions
    $architecture = "x64"
    $installFolder = "C:\Utils\postgresql\pgsql"
@@ -48,18 +48,17 @@ if( (is64bitWinHost) -eq 1 ) {
    $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\windows\postgresql-$version-windows-x64-binaries.zip"
    $sha1 = "4da0453cdfda335e064d4437cf5bb9d356054cfd"

-    echo "Fetching from URL ..."
+    Write-Host "Fetching from URL ..."
    Download $externalUrl $internalUrl $packagex64
    Verify-Checksum $packagex64 $sha1
-    echo "Installing $packagex64 ..."
+    Write-Host "Installing $packagex64 ..."
    Extract-Dev-Folders-From-Zip $packagex64 "pgsql" $installFolder

-    echo "Remove downloaded $packagex64 ..."
-    Remove-Item $packagex64
+    Write-Host "Remove downloaded $packagex64 ..."
+    Remove-Item -Path $packagex64

-    echo "Set $architecture environment variables ..."
-    [Environment]::SetEnvironmentVariable("POSTGRESQL_INCLUDE_x64", "$installFolder\include", "Machine")
-    [Environment]::SetEnvironmentVariable("POSTGRESQL_LIB_x64", "$installFolder\lib", "Machine")
+    Set-EnvironmentVariable "POSTGRESQL_INCLUDE_x64" "$installFolder\include"
+    Set-EnvironmentVariable "POSTGRESQL_LIB_x64" "$installFolder\lib"
 }

 # Install x86 bit version
@@ -67,26 +66,24 @@ $architecture = "x86"
 $externalUrl = "http://get.enterprisedb.com/postgresql/postgresql-$version-windows-binaries.zip"
 $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\windows\postgresql-$version-windows-binaries.zip"
 $sha1 = "eb4f01845e1592800edbb74f60944b6c0aca51a9"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $installFolder = "C:\Utils\postgresql$architecture\pgsql"
-}
-else {
+} else {
    $installFolder = "C:\Utils\postgresql\pgsql"
 }


-echo "Fetching from URL..."
+Write-Host "Fetching from URL..."
 Download $externalUrl $internalUrl $packagex86
 Verify-Checksum $packagex86 $sha1
-echo "Installing $packagex86 ..."
+Write-Host "Installing $packagex86 ..."
 Extract-Dev-Folders-From-Zip $packagex86 "pgsql" $installFolder

-echo "Remove downloaded $packagex86 ..."
-Remove-Item $packagex86
+Write-Host "Remove downloaded $packagex86 ..."
+Remove-Item -Path $packagex86

-echo "Set $architecture environment variables ..."
-[Environment]::SetEnvironmentVariable("POSTGRESQL_INCLUDE_x86", "$installFolder\include", "Machine")
-[Environment]::SetEnvironmentVariable("POSTGRESQL_LIB_x86", "$installFolder\lib", "Machine")
+Set-EnvironmentVariable "POSTGRESQL_INCLUDE_x86" "$installFolder\include"
+Set-EnvironmentVariable "POSTGRESQL_LIB_x86" "$installFolder\lib"

 # Store version information to ~/versions.txt, which is used to print version information to provision log.
-echo "PostgreSQL = $version" >> ~/versions.txt
+Write-Output "PostgreSQL = $version" >> ~/versions.txt
--- a/coin/provisioning/common/windows/python.ps1
+++ b/coin/provisioning/common/windows/python.ps1
@@ -36,11 +36,10 @@
 # Python is required for building Qt 5 from source.

 $version = "2.7.13"
-if( (is64bitWinHost) -eq 1 ) {
+if (Is64BitWinHost) {
    $arch = ".amd64"
    $sha1 = "d9113142bae8829365c595735e1ad1f9f5e2894c"
-}
-else {
+} else {
    $arch = ""
    $sha1 = "7e3b54236dbdbea8fe2458db501176578a4d59c0"
 }
@@ -48,23 +47,25 @@ $package = "C:\Windows\temp\python-$version.msi"
 $externalUrl = "https://www.python.org/ftp/python/$version/python-$version" + $arch + ".msi"
 $internalUrl = "\\ci-files01-hki.intra.qt.io\provisioning\windows\python-$version" + $arch + ".msi"

-echo "Fetching from URL..."
+Write-Host "Fetching from URL..."
 Download $externalUrl $internalUrl $package
 Verify-Checksum $package $sha1
-echo "Installing $package..."
-cmd /c "msiexec /passive /i $package ALLUSERS=1"
+Write-Host "Installing $package..."
+Run-Executable "msiexec" "/passive /i $package ALLUSERS=1"
+
 # We need to change allowZip64 from 'False' to 'True' to be able to create ZIP files that use the ZIP64 extensions when the zipfile is larger than 2 GB
-echo "Chancing allowZip64 value to 'True'..."
+Write-Host "Changing allowZip64 value to 'True'..."
 (Get-Content C:\Python27\lib\zipfile.py) | ForEach-Object { $_ -replace "allowZip64=False", "allowZip64=True" } | Set-Content C:\Python27\lib\zipfile.py
-echo "Remove $package..."
-del $package
+Write-Host "Remove $package..."
+Remove-Item -Path $package

 Add-Path "C:\Python27;C:\Python27\Scripts"

-C:\Python27\python.exe -m ensurepip
+Run-Executable "C:\Python27\python.exe" "-m ensurepip"
+
 # Install python virtual env
-#if ( isProxyEnabled ) {
-#    echo "Using proxy with pip"
+#if (isProxyEnabled) {
+#    Write-Host "Using proxy with pip"
 #    $pip_args = "--proxy=" + (getProxy)
 #}
-C:\Python27\Scripts\pip.exe install virtualenv
+Run-Executable "C:\Python27\Scripts\pip.exe" "install virtualenv"
--- a/coin/provisioning/common/windows/python3.ps1
+++ b/coin/provisioning/common/windows/python3.ps1
@@ -32,7 +32,6 @@
 ##
 #############################################################################

-param([Int32]$archVer=32)
 . "$PSScriptRoot\helpers.ps1"

 # This script installs Python $version.
@@ -43,32 +42,31 @@ $package = "C:\Windows\temp\python-$version.exe"
 $install_path = "C:\Python36"

 # check bit version
-if ( $archVer -eq 64 ) {
-    echo "Running in 64 bit system"
+if (Is64BitWinHost) {
+    Write-Host "Running in 64 bit system"
    $externalUrl = "https://www.python.org/ftp/python/$version/python-$version-amd64.exe"
    $internalUrl = "http://ci-files01-hki.intra.qt.io/input/windows/python-$version-amd64.exe"
    $sha1 = "bf54252c4065b20f4a111cc39cf5215fb1edccff"
-}
-else {
+} else {
    $externalUrl = "https://www.python.org/ftp/python/$version/python-$version.exe"
    $internalUrl = "http://ci-files01-hki.intra.qt.io/input/windows/python-$version.exe"
    $sha1 = "76c50b747237a0974126dd8b32ea036dd77b2ad1"
 }

-echo "Fetching from URL..."
+Write-Host "Fetching from URL..."
 Download $externalUrl $internalUrl $package
 Verify-Checksum $package $sha1
-echo "Installing $package..."
-cmd /c "$package /q TargetDir=$install_path"
-echo "Remove $package..."
-del $package
+Write-Host "Installing $package..."
+Run-Executable "$package" "/q TargetDir=$install_path"
+Write-Host "Remove $package..."
+Remove-Item -Path $package

-[Environment]::SetEnvironmentVariable("PYTHON3_PATH", "$install_path", [EnvironmentVariableTarget]::Machine)
-[Environment]::SetEnvironmentVariable("PIP3_PATH", "$install_path\Scripts", [EnvironmentVariableTarget]::Machine)
+Set-EnvironmentVariable "PYTHON3_PATH" "$install_path"
+Set-EnvironmentVariable "PIP3_PATH" "$install_path\Scripts"

 # Install python virtual env
-#if ( isProxyEnabled ) {
-#    echo "Using proxy with pip"
+#if (isProxyEnabled) {
+#    Write-Host "Using proxy with pip"
 #    $pip_args = "--proxy=" + (getProxy)
 #}
-cmd /c "$install_path\Scripts\pip3.exe install virtualenv"
+Run-Executable "$install_path\Scripts\pip3.exe" "install virtualenv"
--- a/coin/provisioning/common/windows/set-proxy.ps1
+++ b/coin/provisioning/common/windows/set-proxy.ps1
@@ -36,27 +36,24 @@ $n = $n.Split('=')
 New-Variable -Name $n[0] -Value $n[1]

 if (([string]::IsNullOrEmpty($proxy)) -or ($proxy -eq '""')) {
-    echo "No proxy is defined."
-}
-else {
-    echo "Checking proxy @ $proxy"
+    Write-Host "No proxy is defined."
+} else {
+    Write-Host "Checking proxy @ $proxy"
    $proxy = $proxy -replace '"', ""
    $webclient = New-Object System.Net.WebClient
    $proxy_obj = New-Object System.Net.WebProxy($proxy)
    $webclient.proxy = $proxy_obj
    try {
        $webpage = $webclient.DownloadData("http://proxy.intra.qt.io")
-    }
-    catch {
+    } catch {
        $ErrorMessage = $_.Exception.Message
        $FailedItem = $_.Exception.ItemName
        $iserror = $true
    }
    if ($iserror -eq $true) {
-        echo "Testing download with proxy does not work: $ErrorMessage, $FailedItem. Not setting proxy."
-    }
-    else {
-        echo "Setting proxy to: $proxy"
+        Write-Host "Testing download with proxy does not work: $ErrorMessage, $FailedItem. Not setting proxy."
+    } else {
+        Write-Host "Setting proxy to: $proxy"
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" -Name ProxyServer -Value "$proxy"
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" -Name ProxyEnable -Value 1
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" -Name ProxyOverride -Value 10.215
--- a/coin/provisioning/common/windows/squishInstall.ps1
+++ b/coin/provisioning/common/windows/squishInstall.ps1
@@ -50,10 +50,10 @@ $licensePackage = ".squish-3-license"
 $OSVersion = (get-itemproperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName).ProductName

 # This can be removed when using vanilla os
-if((Test-Path -Path "$targetDir" )){
+if ((Test-Path -Path "$targetDir" )) {
    try {
-        echo "Renaming old Squish"
-        echo "Rename-Item -ErrorAction 'Stop' $targetDir $targetDir_deleted"
+        Write-Host "Renaming old Squish"
+        Write-Host "Rename-Item -ErrorAction 'Stop' $targetDir $targetDir_deleted"
        Rename-Item -ErrorAction 'Stop' "$targetDir" squish_deleted
    } catch {}
 }
@@ -72,13 +72,12 @@ Function DownloadAndInstallSquish {
    $SquishUrl = $squishBranchUrl + "\squish-" + $version + "-qt" + $qtBranch + "-" + $bit + "-" + $squishPackage + ".exe"
    $SquishInstaller = "$targetDir\$squishPackage.exe"
    $SquishParameters = "unattended=1 targetdir=$targetDir\$squishPackage"
-    $Command = "$SquishInstaller $SquishParameters"

-    echo "Fetching from URL ..."
+    Write-Host "Fetching from URL $squishUrl"
    Copy-Item "$SquishUrl" "$SquishInstaller"
-    echo "Installing Squish"
-    Execute-Command $Command
-    remove-item $SquishInstaller
+    Write-Host "Installing Squish"
+    Run-Executable "$SquishInstaller" "$SquishParameters"
+    Remove-Item -Path $SquishInstaller
 }

 Function DownloadSquishLicence {
@@ -90,26 +89,24 @@ Function DownloadSquishLicence {
    )

    # This can be removed when using vanilla os
-    if ($Env:SQUISH_LICENSEKEY_DIR)
-    {
-        echo "Removing SQUISH_LICENSEKEY_DIR env variable"
+    if ($Env:SQUISH_LICENSEKEY_DIR) {
+        Write-Host "Removing SQUISH_LICENSEKEY_DIR env variable"
        Remove-Item Env:\SQUISH_LICENSEKEY_DIR
    }

-    echo "Installing Squish license to home directory"
+    Write-Host "Installing Squish license to home directory"
    Copy-Item $squishUrl\$licensePackage ~\$licensePackage
 }

-echo "Creating $targetDir"
+Write-Host "Creating $targetDir"
 New-Item -ErrorAction Ignore -ItemType directory -Path "$targetDir"

 DownloadSquishLicence $licensePackage $squishUrl $targetDir

-if(($OSVersion -eq "Windows 10 Enterprise") -or ($OSVersion -eq "Windows 8.1 Enterprise"))
-{
+if (($OSVersion -eq "Windows 10 Enterprise") -or ($OSVersion -eq "Windows 8.1 Enterprise")) {
    # Squish for MinGW
    $squishPackageMingw = "mingw_gcc53_posix_dwarf"
-    echo "Installing $squishPackageMingw"
+    Write-Host "Installing $squishPackageMingw"
    DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win32 $targetDir $squishPackageMingw
    mv $targetDir\$squishPackageMingw $targetDir\mingw

@@ -117,56 +114,45 @@ if(($OSVersion -eq "Windows 10 Enterprise") -or ($OSVersion -eq "Windows 8.1 Ent
    $squishPackage = "msvc14"
    $squishPackage64bit = "msvc14_64"

-    if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64"))
-    {
-        echo "Installing $squishPackage_64"
+    if (Is64BitWinHost) {
+        Write-Host "Installing $squishPackage64bit"
        DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win64 $targetDir $squishPackage
-        mv $targetDir\$squishPackage $targetDir\$squishPackage64bit
+        Rename-Item $targetDir\$squishPackage $targetDir\$squishPackage64bit
    }

-    echo "Installing $squishPackage"
+    Write-Host "Installing $squishPackage"
    DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win32 $targetDir $squishPackage
 }
-if($OSVersion -eq "Windows 8.1 Enterprise")
-{
+if ($OSVersion -eq "Windows 8.1 Enterprise") {
    # Squish for Visual Studio 2013
    $squishPackage64bit = "msvc12_64"

-    if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64"))
-    {
-        echo "Installing $squishPackage_64"
+    if (Is64BitWinHost) {
+        Write-Host "Installing $squishPackage_64"
        DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win64 $targetDir $squishPackage
-        mv $targetDir\$squishPackage $targetDir\$squishPackage64bit
-    }
-    else
-    {
-        echo "Change secret file to normal one"
-        attrib -h C:\Users\qt\.squish-3-license
+        Rename-Item $targetDir\$squishPackage $targetDir\$squishPackage64bit
+    } else {
+        Write-Host "Change secret file to normal one"
+        Run-Executable "attrib.exe" "-h C:\Users\qt\.squish-3-license"
    }
 }
-if($OSVersion -eq "Windows 7")
-{
-    # Windows 7
-
+if  ($OSVersion -eq "Windows 7 Enterprise") {
    # Squish for MinGW
    $squishPackageMingw = "mingw_gcc53_posix_dwarf"
-    echo "Installing $squishPackageMingw"
+    Write-Host "Installing $squishPackageMingw"
    DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win32 $targetDir $squishPackageMingw
-    mv $targetDir\$squishPackageMingw $targetDir\mingw
+    Rename-Item $targetDir\$squishPackageMingw $targetDir\mingw

    # Squish for Visual Studio 2015
    $squishPackage = "msvc14"
    $squishPackage64bit = "msvc14_64"

-    echo "Installing $squishPackage"
+    Write-Host "Installing $squishPackage"
    DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win32 $targetDir $squishPackage

-    if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64"))
-    {
-        echo "Installing $squishPackage64bit"
+    if (Is64BitWinHost) {
+        Write-Host "Installing $squishPackage64bit"
        DownloadAndInstallSquish $version $squishBranchUrl $qtBranch win64 $targetDir $squishPackage
-        mv $targetDir\$squishPackage $targetDir\$squishPackage64bit
+        Rename-Item $targetDir\$squishPackage $targetDir\$squishPackage64bit
    }
-
-
 }
--- a/coin/provisioning/common/windows/unset-proxy.ps1
+++ b/coin/provisioning/common/windows/unset-proxy.ps1
@@ -31,7 +31,7 @@
 ##
 #############################################################################

-echo "Disabling proxy"
+Write-Host "Disabling proxy"
 $dcs = (Get-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections").DefaultConnectionSettings
 $dcs[8] = $_ -band 0xF7
 Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" -Name DefaultConnectionSettings -Value $dcs
--- a/coin/provisioning/common/windows/vc_redist.ps1
+++ b/coin/provisioning/common/windows/vc_redist.ps1
@@ -32,21 +32,18 @@
 ##
 #############################################################################

-param([Int32]$archVer=32)
 . "$PSScriptRoot\helpers.ps1"

 # This script installs Visual C++ Redistributable for Visual Studio 2015
 # This is a dependency of the current python3 version

-# check bit version
-if ( $archVer -eq 64 ) {
-    echo "Running in 64 bit system"
+if (Is64BitWinHost) {
+    Write-Host "Running in 64 bit system"
    $arch = "x64"
    $externalUrl = "https://download.microsoft.com/download/9/3/F/93FCF1E7-E6A4-478B-96E7-D4B285925B00/vc_redist.x64.exe"
    $internalUrl = "http://ci-files01-hki.intra.qt.io/input/windows/vc_redist.x64.exe"
    $sha1 = "3155cb0f146b927fcc30647c1a904cd162548c8c"
-}
-else {
+} else {
    $arch = "x86"
    $externalUrl = "https://download.microsoft.com/download/9/3/F/93FCF1E7-E6A4-478B-96E7-D4B285925B00/vc_redist.x86.exe"
    $internalUrl = "http://ci-files01-hki.intra.qt.io/input/windows/vc_redist.x86.exe"
@@ -55,10 +52,10 @@ else {

 $package = "C:\Windows\temp\vc_redist.$arch.exe"

-echo "Fetching from URL..."
+Write-Host "Fetching from URL..."
 Download $externalUrl $internalUrl $package
 Verify-Checksum $package $sha1
-echo "Installing $package..."
-Start-Process -FilePath $package -ArgumentList "/q" -Wait
-echo "Remove $package..."
-del $package
+Write-Host "Installing $package..."
+Run-Executable $package "/q"
+Write-Host "Remove $package..."
+Remove-Item -Force -Path $package
--- a/coin/provisioning/common/windows/vulkansdk.ps1
+++ b/coin/provisioning/common/windows/vulkansdk.ps1
@@ -40,9 +40,9 @@ $url_cache = "\\ci-files01-hki.ci.local\provisioning\windows\VulkanSDK-" +$versi
 $vulkanPackage = "C:\Windows\Temp\vulkan-installer-$version.exe"

 Copy-Item $url_cache $vulkanPackage
-cmd /c "$vulkanPackage /S"
+Run-Executable $vulkanPackage "/S"

-echo "Cleaning $vulkanPackage.."
-Remove-Item -Recurse -Force "$vulkanPackage"
+Write-Host "Cleaning $vulkanPackage.."
+Remove-Item -Recurse -Force -Path "$vulkanPackage"

-echo "Vulkan SDK = $version" >> ~\versions.txt
+Write-Output "Vulkan SDK = $version" >> ~\versions.txt
--- a/coin/provisioning/common/windows/win10-enable-devmode.ps1
+++ b/coin/provisioning/common/windows/win10-enable-devmode.ps1
@@ -3,14 +3,12 @@
 # In order to run auto tests for UWP, we have to enable developer mode on Windows 10 machines.
 # https://docs.microsoft.com/en-us/windows/uwp/get-started/enable-your-device-for-development

-if ([environment]::Is64BitOperatingSystem) {
+. "$PSScriptRoot\helpers.ps1"
+
+if (Is64BitWinHost) {
    $bitness = "/reg:64"
 } else {
    $bitness = "/reg:32"
 }

-REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock" /V  AllowDevelopmentWithoutDevLicense /T REG_DWORD /D 1 /F $bitness
-if ($LastExitCode -ne 0) {
-    Write-Host "Could not enable Developer Mode."
-    exit 1
-}
+Run-Executable "reg.exe" "ADD `"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock`" /V  AllowDevelopmentWithoutDevLicense /T REG_DWORD /D 1 /F $bitness"
--- a/coin/provisioning/common/windows/winrtrunner.ps1
+++ b/coin/provisioning/common/windows/winrtrunner.ps1
@@ -6,6 +6,6 @@ $url = "http://download.qt.io/development_releases/prebuilt/winrtrunner/winrtrun
 Download $url $url $zip
 Verify-Checksum $zip "C19098A4C9DBD20EDEB4E5E0D3E6A5BBBCA73C42"
 Extract-Zip $zip C:\Utils\winrtrunner
-Remove-Item $zip
+Remove-Item -Path $zip

-[Environment]::SetEnvironmentVariable("CI_WINRTRUNNER_PATH", "C:\Utils\winrtrunner", "Machine")
+Set-EnvironmentVariable "CI_WINRTRUNNER_PATH" "C:\Utils\winrtrunner"
--- a/coin/provisioning/common/windows/wsearch-off.ps1
+++ b/coin/provisioning/common/windows/wsearch-off.ps1
@@ -1,3 +1,4 @@
+. "$PSScriptRoot\helpers.ps1"

 # Disable the windows search indexing service
-sc.exe config WSearch start= disabled
+Run-Executable "sc.exe" "config WSearch start= disabled"
--- a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/04-install-packages.sh
+++ b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/04-install-packages.sh
@@ -86,6 +86,8 @@ installPackages+=(bluez-libs-devel)
 # QtWebKit
 installPackages+=(libxml2-devel)
 installPackages+=(libxslt-devel)
+# For building Wayland from source
+installPackages+=(libffi-devel)

 sudo yum -y update
 sudo yum -y install "${installPackages[@]}"
--- a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/60-wayland.sh
+++ b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/60-wayland.sh
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+#############################################################################
+##
+## Copyright (C) 2018 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+set -ex
+
+source "${BASH_SOURCE%/*}/../common/unix/DownloadURL.sh"
+
+version=1.12.0
+sha1="9a0dd96f53fff3e227035ed76caaa209b632ea8d"
+archive="wayland-$version.tar.xz"
+primaryUrl="https://wayland.freedesktop.org/releases/$archive"
+cacheUrl="http://ci-files01-hki.intra.qt.io/input/wayland/$archive"
+
+echo "Installing Wayland $version $sha1 on RHEL"
+
+targetFile="/tmp/$archive"
+DownloadURL $primaryUrl $cacheUrl $sha1 $targetFile
+tar xf $targetFile --directory /tmp/
+rm $targetFile
+
+cd /tmp/wayland-$version
+./configure \
+    --prefix=/usr \
+    --libdir=/usr/lib64 \
+    --disable-static \
+    --disable-documentation
+make
+sudo make install
+rm -rf /tmp/wayland-$version
+
+echo "wayland = $version" >> ~/versions.txt
--- a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/61-wayland-egl.sh
+++ b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/61-wayland-egl.sh
@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+#############################################################################
+##
+## Copyright (C) 2018 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+set -ex
+
+source "${BASH_SOURCE%/*}/../common/unix/DownloadURL.sh"
+
+version="17.0.1-6.20170307.wayland"
+wayland_egl_rpm="mesa-libwayland-egl-$version.el7.x86_64.rpm"
+wayland_egl_sha1="0a42fddd9a58c0bcd93efdaf84fd54b872f050d0"
+wayland_egl_devel_rpm="mesa-libwayland-egl-devel-$version.el7.x86_64.rpm"
+wayland_egl_devel_sha1="3ece8768e6bdd8603ce15d75f3b80895da038f15"
+mirror1="http://ci-files01-hki.intra.qt.io/input/wayland"
+mirror2=$mirror1
+
+echo "Installing libwayland-egl development packages on RHEL"
+
+# We're installing the packages with `--nodeps` because we've already installed
+# the Wayland libraries, but not through the package manager.
+
+DownloadURL $mirror1/$wayland_egl_rpm $mirror2/$wayland_egl_rpm $wayland_egl_sha1 /tmp/$wayland_egl_rpm
+sudo rpm -i --nodeps /tmp/$wayland_egl_rpm
+rm /tmp/$wayland_egl_rpm
+
+DownloadURL $mirror1/$wayland_egl_devel_rpm $mirror2/$wayland_egl_devel_rpm $wayland_egl_devel_sha1 /tmp/$wayland_egl_devel_rpm
+sudo rpm -i --nodeps /tmp/$wayland_egl_devel_rpm
+rm /tmp/$wayland_egl_devel_rpm
+
+echo "mesa-libwayland-egl = $version" >> ~/versions.txt
--- a/coin/provisioning/qtci-windows-10-x86/05-msvc.ps1
+++ b/coin/provisioning/qtci-windows-10-x86/05-msvc.ps1
@@ -34,10 +34,10 @@
 # Visual Studios are pre-provisioned to tier1 images

 # MSVC 2015 Update 3
-echo "Visual Studio 2015 = Version 14.0.25421.3 Update 3" >> ~\versions.txt
+Write-Output "Visual Studio 2015 = Version 14.0.25421.3 Update 3" >> ~\versions.txt

 # MSVC 2017
-echo "Visual Studio 2017 = Version 15.1 (26403.7)" >> ~\versions.txt
+Write-Output "Visual Studio 2017 = Version 15.1 (26403.7)" >> ~\versions.txt

 # MSVC 2017 Build Tools
-echo "Visual Studio 2017 Build Tools = Version 15.1 (26403.7)" >> ~\versions.txt
+Write-Output "Visual Studio 2017 Build Tools = Version 15.1 (26403.7)" >> ~\versions.txt
--- a/coin/provisioning/qtci-windows-10-x86/08-python3.ps1
+++ b/coin/provisioning/qtci-windows-10-x86/08-python3.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\python3.ps1" 32
+. "$PSScriptRoot\..\common\windows\python3.ps1"
--- a/coin/provisioning/qtci-windows-10-x86_64/05-msvc.ps1
+++ b/coin/provisioning/qtci-windows-10-x86_64/05-msvc.ps1
@@ -34,10 +34,10 @@
 # Visual Studios are pre-provisioned to tier1 images

 # MSVC 2015 Update 3
-echo "Visual Studio 2015 = Version 14.0.25421.3 Update 3" >> ~\versions.txt
+Write-Output "Visual Studio 2015 = Version 14.0.25421.3 Update 3" >> ~\versions.txt

 # MSVC 2017
-echo "Visual Studio 2017 = Version 15.1 (26403.7)" >> ~\versions.txt
+Write-Output "Visual Studio 2017 = Version 15.1 (26403.7)" >> ~\versions.txt

 # MSVC 2017 Build Tools
-echo "Visual Studio 2017 Build Tools = Version 15.1 (26403.7)" >> ~\versions.txt
+Write-Output "Visual Studio 2017 Build Tools = Version 15.1 (26403.7)" >> ~\versions.txt
--- a/coin/provisioning/qtci-windows-10-x86_64/05-qnx_700.ps1
+++ b/coin/provisioning/qtci-windows-10-x86_64/05-qnx_700.ps1
@@ -42,6 +42,6 @@ Download $url $url $zip
 Verify-Checksum $zip "DD3346A3429C06B59BF4D45CE0782F737D2424C7"
 Extract-7Zip $zip C:\

-[Environment]::SetEnvironmentVariable("QNX_700", "C:\QNX700", "Machine")
-echo "QNX SDP = 7.0.0" >> ~/versions.txt
-del $zip
+Set-EnvironmentVariable "QNX_700" "C:\QNX700"
+Write-Output "QNX SDP = 7.0.0" >> ~/versions.txt
+Remove-Item -Path $zip
--- a/coin/provisioning/qtci-windows-10-x86_64/08-python3.ps1
+++ b/coin/provisioning/qtci-windows-10-x86_64/08-python3.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\python3.ps1" 64
+. "$PSScriptRoot\..\common\windows\python3.ps1"
--- a/coin/provisioning/qtci-windows-10-x86_64/90-install-virtualbox.ps1
+++ b/coin/provisioning/qtci-windows-10-x86_64/90-install-virtualbox.ps1
@@ -43,9 +43,9 @@ $virtualboxPackage = "C:\Windows\Temp\virtualbox-$version.exe"

 Download $url_official $url_cache $virtualboxPackage
 Verify-Checksum $virtualboxPackage $sha1
-Start-Process $virtualboxPackage -ArgumentList "--silent" -Wait
+Run-Executable $virtualboxPackage "--silent"

-echo "Cleaning $virtualboxPackage.."
-Remove-Item -Recurse -Force "$virtualboxPackage"
+Write-Output "Cleaning $virtualboxPackage.."
+Remove-Item -Recurse -Force -Path "$virtualboxPackage"

-echo "VirtualBox = $version" >> ~\versions.txt
+Write-Output "VirtualBox = $version" >> ~\versions.txt
--- a/coin/provisioning/qtci-windows-10-x86_64/90-signing-tools.ps1
+++ b/coin/provisioning/qtci-windows-10-x86_64/90-signing-tools.ps1
@@ -41,4 +41,4 @@ $destination = "C:\Windows\temp\sign.zip"

 Download $url $url $destination
 Extract-Zip "$destination" "C:\Utils"
-Remove-Item "$destination"
+Remove-Item -Path "$destination"
--- a/coin/provisioning/qtci-windows-7-x86/07-vc_redist.ps1
+++ b/coin/provisioning/qtci-windows-7-x86/07-vc_redist.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\vc_redist.ps1" 32
+. "$PSScriptRoot\..\common\windows\vc_redist.ps1"
--- a/coin/provisioning/qtci-windows-7-x86/08-python3.ps1
+++ b/coin/provisioning/qtci-windows-7-x86/08-python3.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\python3.ps1" 32
+. "$PSScriptRoot\..\common\windows\python3.ps1"
--- a/coin/provisioning/qtci-windows-7-x86_64/07-vc_redist.ps1
+++ b/coin/provisioning/qtci-windows-7-x86_64/07-vc_redist.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\vc_redist.ps1" 64
+. "$PSScriptRoot\..\common\windows\vc_redist.ps1"
--- a/coin/provisioning/qtci-windows-7-x86_64/25-python3.ps1
+++ b/coin/provisioning/qtci-windows-7-x86_64/25-python3.ps1
@@ -1 +1 @@
-. "$PSScriptRoot\..\common\windows\python3.ps1" 64
+. "$PSScriptRoot\..\common\windows\python3.ps1"