In order to improve the performance of our artifacts hosting, we are trialling an upcoming change to 302 redirect non-HTML artifact downloads directly to a short-lived pre-signed S3 URL.

Over the coming days we will be doing a staged percentage-based rollout of this feature, and listening for your feedback. We hope you will be pleased with the results.

如果使用一个web浏览器(查看HTML资源往下h as test / coverage reports or download tarballs / zip files) you will not need to change your behaviour, as browsers follow redirects by default.

However, if you are usingcurlor another HTTP client that does not follow redirects by default, you will need to enable redirect support (wgetfollows redirects by default, whilecurlrequires the-Lswitch).

An example withcurlmight be:

$ curl -H'Circle-Token: XXXXXX' 'https://9648-63890343-gh.circle-artifacts.com/0/sample/logs.txt' Redirecting to 

vs

$ curl -L -H'Circle-Token: XXXXXX' 'https://9648-63890343-gh.circle-artifacts.com/0/sample/logs.txt' some logs...... some logs...... some logs......
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I don’t have any feedback on download speed, but this is not a very responsible way to roll out a known breaking change.

There was essentially zero notice, and the only announcement is in a forum that your customers are very unlikely to be proactively checking. The only reason I found this at all is because I came in this morning to broken nightly builds.

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Hi Phil. Sorry to hear that this affected your builds. Thanks for letting us know this has caused an issue for you.

We have temporarily paused the rollout, and will be reaching out to organisations that use tools that do not follow redirects by default.

Again, we appreciate you letting us know.

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