Retry downloads #182
Description
CI hit an intermediate failure, restarting the test fixed the issue. Adding retries on failures would ease these situations (for all CNBs):
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
---- smoke::smoke_test_php_getting_started stdout ----
thread 'smoke::smoke_test_php_getting_started' panicked at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libcnb-test-0.28.1/src/test_runner.rs:163:17:
Error performing pack build:
pack command failed with exit code 1!
## stderr:
[Error: A download error occurred during bootstrapping]
https://lang-php.s3.us-east-1.amazonaws.com/dist-heroku-24-arm64-cnb/php-min-8.3.7.tar.gz: Dns Failed: resolve dns name 'lang-php.s3.us-east-1.amazonaws.com:443': failed to lookup address information: Try again
This is most likely a transient internal error; you should re-try the operation.
Please make sure that you are not running an outdated version of the buildpack.
If the problem persists, open a support ticket and include the full log output of this build.
ERROR: failed to build: executing lifecycle: failed with status code: 51