Merged

scripts/build.ps1

@@ -52,7 +52,7 @@ Ensure-Exists $sourcesPath
 Ensure-Executable "7z"
 
 foreach ($s in $sources) {
-    Write-Host "Getting $($s.name) from URL $($s.url)"
+    Write-Output "Getting $($s.name) from URL $($s.url)"
 
     # We do not care about the extensions/type of archive
     $tempArchive = "$($s.name).tmp"
@@ -68,4 +68,4 @@ foreach ($s in $sources) {
 }
 
 Pop-Location
-Write-Host "All good and done!"
+Write-Verbose "All good and done!"

scripts/utils.ps1

@@ -0,0 +1,45 @@
+function Ensure-Exists ($path) {
+    if (-not (Test-Path $path)) {
+        Write-Error "Missing required $path file"
+        exit 1
+    }
+}
+
+function Ensure-Executable ($command) {
+    try { Get-Command $command -ErrorAction Stop > $null }
+    catch {
+       Write-Error "Missing $command! Ensure it is installed and on in the PATH"
+       exit 1
+    }
+}
+
+function Delete-Existing ($path) {
+    Write-Verbose "Remove $path"
+    Remove-Item -Recurse -force $path -ErrorAction SilentlyContinue
+}
+
+function Extract-Archive ($source, $target) {
+    Invoke-Expression "7z x -y -o$($target) $source"
+    if ($lastexitcode -ne 0) {
+        Write-Error "Extracting of $source failied"
+    }
+    Remove-Item $source
+}
+
+function Create-Archive ($source, $target, $params) {
+    $command = "7z a -x@`"$source\packignore`" $params $target $source"
+    Write-Verbose "Running: $command"
+    Invoke-Expression $command
+    if ($lastexitcode -ne 0) {
+        Write-Error "Compressing $source failied"
+    }
+}
+
+# If directory contains only one child directory
+# Flatten it instead
+function Flatten-Directory ($name) {
+    $child = (Get-Childitem $name)[0]
+    Rename-Item $name -NewName "$($name)_moving"
+    Move-Item -Path "$($name)_moving\$child" -Destination $name
+    Remove-Item -Recurse "$($name)_moving"
+}