download-nasm: skip if nasm already exists

Deduktiva · Feb 16, 2024 · 3faa1af · 3faa1af
1 parent 7166018
commit 3faa1af
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/MagPython/download-nasm.ps1 b/MagPython/download-nasm.ps1
@@ -1,8 +1,10 @@
 # Download and unpack netwide assembler.
 $ErrorActionPreference = "Stop"
 $Version = "2.16.01"
-if (Test-Path nasm.zip) { del -force nasm.zip }
-Invoke-WebRequest -OutFile nasm.zip -Uri "https://www.nasm.us/pub/nasm/releasebuilds/$Version/win32/nasm-$Version-win32.zip"
-if (Test-Path nasm-$Version) { del -recurse -force nasm-$Version }
-Expand-Archive -Path nasm.zip -DestinationPath .
-ren nasm-$Version nasm
+if (!(Test-Path nasm)) {
+    if (Test-Path nasm.zip) { del -force nasm.zip }
+    Invoke-WebRequest -OutFile nasm.zip -Uri "https://www.nasm.us/pub/nasm/releasebuilds/$Version/win32/nasm-$Version-win32.zip"
+    if (Test-Path nasm-$Version) { del -recurse -force nasm-$Version }
+    Expand-Archive -Path nasm.zip -DestinationPath .
+    ren nasm-$Version nasm
+}