Convert to simple powershell

README.md

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+### Go Windows Buildpack User Documentation
+
+### Building the Buildpack
+To use this buildpack, run the following command from the buildpack's directory:
+
+1. Build the buildpack
+```bash
+./scripts/build.ps1
+```
+
+1. Use [cfwindowsstager](https://github.com/dgodd/cfwindowsstager/releases) to test the buildpack
+```bash
+cfwindowsstager.exe --app .\fixtures\simple --buildpack .\go_buildpack-windows2016-v0.0.0.zip
+```
+
+1. Use in Cloud Foundry
+Upload the buildpack to your Cloud Foundry and optionally specify it by name
+
+```bash
+cf create-buildpack [BUILDPACK_NAME] [BUILDPACK_ZIP_FILE_PATH] 1
+cf push my_app [-b BUILDPACK_NAME]
+```
+
+### Reporting Issues
+Open an issue on this project
+
+## Disclaimer
+This buildpack is intended purely for educational use and is not intended for production use.

VERSION

@@ -1 +1 @@
-0.0.0
+0.0.1

bin/compile

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 #!/usr/bin/env bash
-# This script is a deprecated but is provided for compatibility with Heroku and older versions of Cloud Foundry
-# It is an alternative to bin/supply and bin/finalize
-
-set -euo pipefail
-
-BUILD_DIR=$1
-CACHE_DIR=$2
-BUILDPACK_PATH=$(dirname $(readlink -f ${BASH_SOURCE%/*}))
-DEPS_DIR="$BUILD_DIR/.cloudfoundry"
-
-mkdir -p $CACHE_DIR
-mkdir -p "$DEPS_DIR/0"
-mkdir -p "$BUILD_DIR/.profile.d"
-
-echo "export DEPS_DIR=\$HOME/.cloudfoundry" > "$BUILD_DIR/.profile.d/0000_set-deps-dir.sh"
-
-$BUILDPACK_PATH/bin/supply "$BUILD_DIR" "$CACHE_DIR" "$DEPS_DIR" 0
-$BUILDPACK_PATH/bin/finalize "$BUILD_DIR" "$CACHE_DIR" "$DEPS_DIR" 0
+echo "bin/compile is deprecated, but is provided so that CF will accept the zip file"
+exit 1

bin/finalize.bat

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+@ECHO OFF
+SET ScriptDir=%~dp0
+PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& '%ScriptDir%finalize.ps1' %1 %2 %3 %4";

bin/finalize.ps1

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+[CmdletBinding()]
+Param(
+[Parameter(Mandatory=$True,Position=1)] [string]$BuildDir,
+[Parameter(Mandatory=$True,Position=2)] [string]$CacheDir,
+[Parameter(Mandatory=$True,Position=3)] [string]$DepsDir,
+[Parameter(Mandatory=$True,Position=4)] [string]$DepsIdx
+)
+
+$ErrorActionPreference = "Stop"
+$env:PATH += ";$DepsDir/$DepsIdx/bin"
+
+Write-Output "-----> Build app"
+Set-Location $BuildDir
+go build -o myapp.exe .
+if ($lastexitcode -ne 0) {
+    Write-Output "ERROR building app with go"
+    Write-Output "EXITCODE: $lastexitcode"
+    Exit 1
+}

bin/release.bat

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 @echo off
-type c:\tmp\go-buildpack-release-step.yml
+echo ---
+echo default_process_types:
+echo   web: .\myapp.exe

bin/supply.bat

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+@ECHO OFF
+SET ScriptDir=%~dp0
+PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& '%ScriptDir%supply.ps1' %1 %2 %3 %4";

bin/supply.ps1

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+[CmdletBinding()]
+Param(
+[Parameter(Mandatory=$True,Position=1)] [string]$BuildDir,
+[Parameter(Mandatory=$True,Position=2)] [string]$CacheDir,
+[Parameter(Mandatory=$True,Position=3)] [string]$DepsDir,
+[Parameter(Mandatory=$True,Position=4)] [string]$DepsIdx
+)
+
+$ErrorActionPreference = "Stop"
+
+$Version = (Get-Content "$PSScriptRoot/../VERSION" -Raw).Replace("`n","").Replace("`r","")
+Write-Output "-----> Go Buildpack (version $Version)"
+# Write-Output "       BuildDir: $BuildDir"
+# Write-Output "       CacheDir: $CacheDir"
+# Write-Output "       DepsDir: $DepsDir"
+# Write-Output "       DepsIdx: $DepsIdx"
+# Write-Output ""
+
+
+Write-Output "-----> Download go"
+$ProgressPreference = 'SilentlyContinue'
+(New-Object System.Net.WebClient).DownloadFile('https://dl.google.com/go/go1.11.4.windows-amd64.zip', "$DepsDir/$DepsIdx/go.zip")
+$ExpectedSHA = 'eeb20e21702f2b9469d9381df5de85e2f731b64a1f54effe196d0f7d0227fe14'
+$ActualSHA = (Get-FileHash "$DepsDir/$DepsIdx/go.zip" -Algorithm SHA256).Hash
+If ($ExpectedSHA -ne $ActualSHA) {
+    Write-Output "go.zip checksum did not match. expected '$ExpectedSHA', found '$ActualSHA'" 
+    Exit 1
+}
+
+Write-Output "-----> Extract go"
+Expand-Archive -Path "$DepsDir/$DepsIdx/go.zip" -DestinationPath "$DepsDir/$DepsIdx" -Force
+Move-Item -Path "$DepsDir/$DepsIdx/go/*" -Destination "$DepsDir/$DepsIdx"
+Remove-Item -Path "$DepsDir/$DepsIdx/go"