+++ This bug was initially created as a clone of Bug #1272083 +++ Windows TaskCluster test WorkerTypes (gecko-1-t-win7-32, gecko-1-t-win10-64) receive a response Content-Type header of: application/x-zip-compressed when downloading build artefacts from TaskCluster for testing. eg: curl -o /dev/null -s -L -D - https://queue.taskcluster.net/v1/task/A8RaDKqJQMGvy-NExnl5SQ/artifacts/public/build/firefox-51.0a1.en-US.win32.zip HTTP/1.1 303 See Other Server: Cowboy Connection: keep-alive X-Powered-By: Express Strict-Transport-Security: max-age=7776000 Access-Control-Allow-Origin: * Access-Control-Allow-Methods: OPTIONS,GET,HEAD,POST,PUT,DELETE,TRACE,CONNECT Access-Control-Request-Method: * Access-Control-Allow-Headers: X-Requested-With,Content-Type,Authorization,Accept,Origin Location: https://public-artifacts.taskcluster.net/A8RaDKqJQMGvy-NExnl5SQ/0/public/build/firefox-51.0a1.en-US.win32.zip Vary: Accept Content-Type: text/plain; charset=utf-8 Content-Length: 29 Date: Fri, 16 Sep 2016 10:53:35 GMT Via: 1.1 vegur HTTP/1.1 200 OK Content-Type: application/x-zip-compressed Content-Length: 53773294 Connection: keep-alive Date: Fri, 16 Sep 2016 10:53:12 GMT Last-Modified: Wed, 14 Sep 2016 16:08:46 GMT ETag: "9e2ee9219eae34ca082247b761c54418" x-amz-version-id: jX1Saf.2YSkblkqwk41fF1BrSFouopcY Accept-Ranges: bytes Server: AmazonS3 Age: 23 X-Cache: Hit from cloudfront Via: 1.1 1d16403705fd4f8204c72a3a35f60982.cloudfront.net (CloudFront) X-Amz-Cf-Id: lofizJ1KjJvBUQwJEaeH0eXmfQuQDinYa9_g6F8wu-_ZZ5VsUYa8jg== In-process unzip therefore needs to support this content type.

Comment on attachment 8791940 [details] Bug 1303305 - Support in-memory unzip on tc win testers; https://reviewboard.mozilla.org/r/79220/#review77778 I thought gbrown had landed this. Anyways, thanks for fixinging it!

Pushed by cbook@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/c15e4f47777e Support in-memory unzip on tc win testers; r=armenzg