add buildrelease.ps1 and vswhere.exe

Author: stchan

README.md

@@ -18,5 +18,3 @@ Any content that is not the property of Oracle (SQLcl and its associated materia
 1. Run the **buildrelease.ps1** script. Powershell 7.2 (or newer) is required.
 1. The MSI will be in "publish\unsigned\\<culture>".
 
-## Notes
-

buildrelease.ps1

@@ -0,0 +1,71 @@
+#Requires -Version 7.2
+param (
+   [string]$targetplatform = "x64",
+   [string]$sign
+)
+if ($args.Count) { throw "Unexpected arguments passed: $args" }
+
+$PSNativeCommandUseErrorActionPreference = $true
+$ErrorActionPreference = "Stop"
+
+Set-StrictMode -version 2
+
+$startworkinglocation = Get-Location
+
+# If -sign commandline argument was passed, run the VS Dev Shell script so signtool.exe is in the PATH
+if ($sign -ne "" -and $sign -ne $null)
+{
+        $initvsdevshell = & "$PSScriptRoot\tools\vswhere.exe" -latest -find **\Launch-VsDevShell.ps1 | select-object -first 1
+        if ([string]::IsNullOrEmpty($initvsdevshell) -eq $false)
+        { 
+            & $initvsdevshell
+        }
+        else 
+        {
+            Write-Output 'Visual Studio was not found - VS developer shell launch script was not run.'            
+        }
+
+        $requiredexecutables = @("msbuild.exe", "signtool.exe")
+        foreach ($required in $requiredexecutables)
+        {
+            Write-Host Searching for $required in PATH.
+            if ($null -eq (Get-Command "$required" -ErrorAction SilentlyContinue)) 
+            { 
+                Write-Host "$required not found in PATH. Exiting."
+                exit 1
+            }
+            Write-Host $required found.
+        }
+
+        $buildoutputpath = "$PSScriptRoot\publish\signed"
+}
+else {
+    $buildoutputpath = "$PSScriptRoot\publish\unsigned"
+}
+
+Set-Location -Path $PSScriptRoot
+
+
+# Remove old stuff
+Remove-Item -path $buildoutputpath -recurse -ErrorAction SilentlyContinue
+mkdir -p $buildoutputpath | Out-Null
+
+
+dotnet clean --configuration Release -p:Platform=$targetplatform
+dotnet build -p:Configuration=Release -p:Platform=$targetplatform  -p:OutputPath="$buildoutputpath" sqlclinstaller.sln
+
+# sign the installer if -sign was specified
+if ($sign -ne "" -and $sign -ne $null)
+{
+   signtool.exe sign /sha1 $sign /t http://time.certum.pl /fd sha256 /v "$buildoutputpath\$((Get-Culture).Name)\*.msi"
+}
+
+Set-Location -Path "$buildoutputpath\$((Get-Culture).Name)\"
+
+# compute hashes of the output
+$outputfiles = Get-ChildItem "."
+foreach ($outfile in $outputfiles) {
+    certutil -hashfile $outfile.Name sha512  | Out-File -Encoding utf8NoBOM  -FilePath "$outfile.sha512"
+}
+
+Set-Location -Path $startworkinglocation