feat: add idempotent build script

Author: Soham Dasgupta

polygon.ps1

@@ -1,12 +1,52 @@
 $cwd = (Get-Location).Path;
 
-Remove-Item -Path "$cwd\build\*" -Recurse -Force;
+# Get the latest version from tag
+git pull;
+$latestTag = git describe --tags --abbrev=0;
+$versionNumber = (Select-String -Pattern "\d+\.\d+\.\d+" -InputObject $latestTag).Matches[0].Value
 
-Ahk2Exe.exe /in polygon.ahk /out "$cwd\build\polygon-x64.exe" /icon logo.ico /base "$HOME\.scoop\apps\autohotkey\current\v2\AutoHotkey64.exe";
-Ahk2Exe.exe /in polygon.ahk /out "$cwd\build\polygon-x86.exe" /icon logo.ico /base "$HOME\.scoop\apps\autohotkey\current\v2\AutoHotkey32.exe";
+Write-Host "Building Polygon version $versionNumber" -ForegroundColor Green;
 
-candle.exe .\polygon.wxs -out "$cwd\build\polygon-x86.wixobj" -dVersion="0.0.0" -arch x86;
-candle.exe .\polygon.wxs -out "$cwd\build\polygon-x64.wixobj" -dVersion="0.0.0" -arch x64;
+# Clean build folder
+Remove-Item -Path "$cwd\build" -Recurse -Force -ErrorAction SilentlyContinue;
+New-Item -Path "$cwd\build" -ItemType Directory;
 
-light.exe "$cwd\build\polygon-x86.wixobj" -ext WixUIExtension -out "$cwd\build\polygon-x86.msi";
-light.exe "$cwd\build\polygon-x64.wixobj" -ext WixUIExtension -out "$cwd\build\polygon-x64.msi";
+# Download AutoHotkey
+$ahkFileNamePattern = "AutoHotkey_.*\.zip"
+$ahkLatestRelease = Invoke-RestMethod -Uri "https://api.github.com/repos/AutoHotkey/AutoHotkey/releases/latest";
+$ahkDownloadURL = ($ahkLatestRelease.assets | Where-Object { $_.name -match "$ahkFileNamePattern" }) | Select-Object -ExpandProperty browser_download_url
+Invoke-WebRequest -Uri $ahkDownloadURL -OutFile "$cwd\build\autohotkey.zip";
+Expand-Archive -Path "$cwd\build\autohotkey.zip" -DestinationPath "$cwd\build\ahk";
+
+Write-Host "Downloaded the latest release from AutoHotkey into `"$cwd\build\ahk\`"" -ForegroundColor Green;
+
+# Download Ahk2Exe
+$ahk2ExeFileNamePattern = "Ahk2Exe.*\.zip"
+$ahk2ExeLatestRelease = Invoke-RestMethod -Uri "https://api.github.com/repos/AutoHotkey/Ahk2Exe/releases/latest";
+$ahk2ExeDownloadURL = ($ahk2ExeLatestRelease.assets | Where-Object { $_.name -match "$ahk2ExeFileNamePattern" }) | Select-Object -ExpandProperty browser_download_url
+Invoke-WebRequest -Uri $ahk2ExeDownloadURL -OutFile "$cwd\build\Ahk2exe.zip";
+Expand-Archive -Path "$cwd\build\Ahk2exe.zip" -DestinationPath "$cwd\build\ahk";
+
+Write-Host "Downloaded the latest release from Ahk2Exe into `"$cwd\build\ahk\`"" -ForegroundColor Green;
+
+# Download Wix3
+$wixFileNamePattern = "wix311-binaries.zip"
+$wixLatestRelease = Invoke-RestMethod -Uri "https://api.github.com/repos/wixtoolset/wix3/releases/latest";
+$wixDownloadURL = ($wixLatestRelease.assets | Where-Object { $_.name -match "$wixFileNamePattern" }) | Select-Object -ExpandProperty browser_download_url
+Invoke-WebRequest -Uri $wixDownloadURL -OutFile "$cwd\build\$wixFileNamePattern";
+Expand-Archive -Path "$cwd\build\$wixFileNamePattern" -DestinationPath "$cwd\build\wix\";
+
+Write-Host "Downloaded the latest release from Wix3 into `"$cwd\build\wix\`"" -ForegroundColor Green;
+
+& "$cwd\build\ahk\Ahk2Exe.exe" /in polygon.ahk /out "$cwd\build\polygon-x64.exe" /icon logo.ico /base "$cwd\build\ahk\AutoHotkey64.exe";
+& "$cwd\build\ahk\Ahk2Exe.exe" /in polygon.ahk /out "$cwd\build\polygon-x86.exe" /icon logo.ico /base "$cwd\build\ahk\AutoHotkey32.exe";
+
+Write-Host "Polygon binaries built successfully into `"$cwd\build\`"" -ForegroundColor Green;
+
+& "$cwd\build\wix\candle.exe" .\polygon.wxs -out "$cwd\build\polygon-x86.wixobj" -dVersion="$versionNumber" -arch x86;
+& "$cwd\build\wix\candle.exe" .\polygon.wxs -out "$cwd\build\polygon-x64.wixobj" -dVersion="$versionNumber" -arch x64;
+
+& "$cwd\build\wix\light.exe" "$cwd\build\polygon-x86.wixobj" -ext WixUIExtension -out "$cwd\build\polygon-x86.msi";
+& "$cwd\build\wix\light.exe" "$cwd\build\polygon-x64.wixobj" -ext WixUIExtension -out "$cwd\build\polygon-x64.msi";
+
+Write-Host "Polygon installers built successfully into `"$cwd\build\`"" -ForegroundColor Green;