From 94fea2bb9e8cf409fb2d802b3789b0ece243b0ea Mon Sep 17 00:00:00 2001
From: Luke Sampson <me@lukesampson.com>
Date: Mon, 7 Oct 2013 12:16:43 +1000
Subject: [PATCH] 7zip decompress: allow recursive extract to fail with warning
 instead of failure

---
 lib/decompress.ps1 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/decompress.ps1 b/lib/decompress.ps1
index 0b8b111ac..dfd427750 100644
--- a/lib/decompress.ps1
+++ b/lib/decompress.ps1
@@ -13,7 +13,12 @@ function file_requires_7zip($fname) {
 function extract_7zip($path, $to, $recurse) {
 	if(!$recurse) { write-host "extracting..." -nonewline }
 	$output = 7z x "$path" -o"$to" -y
-	if($lastexitcode -ne 0) { abort "exit code was $lastexitcode" }
+	if($lastexitcode -ne 0) {
+		if($recurse) {
+			warn "couldn't extract $path, continuing"; return
+		}
+		abort "exit code was $lastexitcode"
+	}
 
 	# recursively extract files, e.g. for .tar.gz
 	$output | sls '^Extracting\s+(.*)$' | % {