RFR: 8326960: GHA: RISC-V sysroot cannot be debootstrapped due to ongoing Debian t64 transition

[Aleksey Shipilev]

On Thu, 21 Mar 2024 15:33:21 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Debian "unstable" is currently undergoing t64 (hello, Y2038) transition, which breaks "sid" repo that we use for debootstrapping RISC-V very often. This is seen across multiple repositories, and requires everyone to look through GHA failures all the time. This PR tries to fix this: if debootstrap for "sid" repos fails, the build for that arch would not continue. IMO, it is a better compromise for current situation. We will flip back to expecting the debootstrap to complete well after either t64 transition finishes, or we switch to more stable Debian repo once it graduates.
> 
> Additional testing:
>  - [x] GHA

OK, great. GHAs are passing with RISC-V build skipped over broken sysroot.

I will integrate after I get a second review from build/GHA maintainers.

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PR Comment: https://git.openjdk.org/jdk/pull/18435#issuecomment-2014558684