Michael Marineau 6a9e81713a fix(coreos-base/oem-gce): Replace curl's --retry with block_until_url
Curl will not retry after most errors, just connection timeouts and some
HTTP errors. In our case the most likely error is network unreachable.
Instead use our simple-minded but trusty block_until_url script to wait.
2014-04-13 16:11:11 -04:00
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