From e06fdf784fe10c9699ec0a6badd60412c0140215 Mon Sep 17 00:00:00 2001
From: Luke Sampson <me@lukesampson.com>
Date: Fri, 17 Jan 2014 08:51:15 +1000
Subject: [PATCH] abort if unzip fails

---
 lib/core.ps1 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/core.ps1 b/lib/core.ps1
index 937dedad..add4ed40 100644
--- a/lib/core.ps1
+++ b/lib/core.ps1
@@ -65,7 +65,11 @@ function env($name,$global,$val='__get') {
 function unzip($path,$to) {
 	if(!(test-path $path)) { abort "can't find $path to unzip"}
 	add-type -assembly "System.IO.Compression.FileSystem"
-	[io.compression.zipfile]::extracttodirectory($path,$to)
+	try {
+		[io.compression.zipfile]::extracttodirectory($path,$to)
+	} catch {
+		abort "unzip failed: $_"
+	}
 }
 
 function shim($path, $global, $name, $arg) {