RFR: 8238263: Create at-requires mechanism for containers

[Igor Ignatyev]

On Mon, 26 Oct 2020 13:49:26 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Defining an environment variable works when running JTReg from the command line. But, mach5 does not pass environment variable settings to its JTReg test runs. Some mach5 special command args would still be needed.

right, yet given you also need to explicitly say mach5 that you want to run testing within docker, that's not a huge problem. this is assuming we default env. variable to `false`, `make` propagates this env. variable to `jtreg` and `jtreg` propagates it to the JVM which runs `VMProps` class.

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PR: https://git.openjdk.java.net/jdk/pull/844