Add some RISC-V support

[mmoll]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @mmoll, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request expands the project's compatibility by integrating RISC-V 64-bit architecture support into its Debian 13 distroless images. The changes involve updating core configuration files to recognize and utilize riscv64, ensuring that the build system and documentation accurately reflect this new platform. This enhancement broadens the range of environments where these distroless images can be deployed.

Highlights

• RISC-V 64-bit Architecture Support: Introduced support for the riscv64 architecture across various Debian 13-based distroless images, including static, base, base-nossl, and cc.
• Configuration Updates: Updated configuration files (base/config.bzl, cc/config.bzl, distro.bzl, static/config.bzl) to include riscv64 in the lists of supported architectures for Debian 13.
• BusyBox Integration: Added a specific http_archive entry for the busybox_riscv64 binary and included it in the module's direct dependencies.
• Documentation and Aliases: The README.md was updated to reflect the new riscv64 architecture suffixes, and private/util/deb.bzl was modified to include riscv64 in the architecture aliases.

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Changelog

• README.md
  • Updated the architecture suffixes table to include riscv64 for static-debian13, base-debian13, base-nossl-debian13, and cc-debian13 images.
• base/config.bzl
  • Added riscv64 to the list of supported architectures for debian13.
• cc/config.bzl
  • Added riscv64 to the list of supported architectures for debian13.
• distro.bzl
  • Included riscv64 in the global ALL_ARCHITECTURES list.
• private/extensions/busybox.bzl
  • Added an http_archive definition for busybox_riscv64, including its URL and SHA256 hash.
  • Included busybox_riscv64 in the root_module_direct_deps list.
• private/util/deb.bzl
  • Added riscv64 to the ARCH_ALIAS dictionary.
• static/config.bzl
  • Added riscv64 to the list of supported architectures for debian13.

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[gemini-code-assist]

Code Review

This pull request adds support for the RISC-V (riscv64) architecture across various components. The changes are generally good, but I've found a critical typo in one of the configuration files that could lead to build failures. I've also pointed out a couple of minor formatting and style issues that should be addressed for consistency.

[loosebazooka]

Just dropping this in here. I'm on vacation next week Feb 15-20, so likely won't get to this till the week of the 23rd.

[mmoll]

/gemini review

[gemini-code-assist]

Code Review

This pull request adds support for the RISC-V (riscv64) architecture to various distroless images, primarily for Debian 13. The changes span across configuration files, build scripts, and documentation to include riscv64 as a supported architecture. My review focuses on ensuring consistency and correctness of these additions. I've found a couple of minor issues: one in the documentation (README.md) which is missing the riscv64 architecture for Java images, and another in a comment in private/extensions/busybox.bzl which has an incorrect URL structure. Overall, the changes look good and are well-contained.