fix: download Rust nightly hermetically for coq_of_rust build#25
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fix: download Rust nightly hermetically for coq_of_rust build#25
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Download rustc, cargo, rust-std, and rustc-dev nightly components from static.rust-lang.org within the repository rule, eliminating the dependency on host rustup. This fixes the libLLVM-19-rust-* linker error in sandboxed CI environments where LIBRARY_PATH is stripped. Falls back to host rustup if hermetic download is unavailable. Fixes #24 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The coq_of_rust rule only passed wrapper + real_binary to the action, dropping the rust_sysroot lib files. Bazel's sandbox needs all files declared as inputs, so librustc_driver was missing at runtime. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
static.rust-lang.orgwithin the repository rulerustup— thelibLLVM-19-rust-*linker error in sandboxed CI is fixed because the sysrootlib/is now always onLIBRARY_PATHrustupif hermetic download is unavailable (unknown platform, no network)rules_verusfor hermetic Rust sysroot setupFixes #24
Test plan
rustupon supported platforms (macOS arm64/x86, Linux x86/arm64)🤖 Generated with Claude Code