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bherbruck
49ca9d2475
scripts/cpp-ref-key.sh names a harness/cpp/build.sh output (upstream commit plus a hash of CMakeLists.txt, build.sh, stubs/**, patches/**). The new cpp-reference workflow builds it on Ubuntu 24.04 and publishes it as GitHub Release cpp-ref-<key>; scripts/fetch-cpp.sh downloads and verifies it (curl, no token) or falls back to build.sh. CI's difftest job fetches instead of building and runs Rust and the cc-compiled shims through sccache. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pfe7dodPG5rpuN9B8QcnuX
41 lines
1.5 KiB
Bash
Executable File
41 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Print the key that names a prebuilt C++ reference build (harness/cpp/build.sh output).
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#
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# v1-<upstream commit, 12 hex>-<16 hex of a sha256 over the harness inputs>
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#
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# The inputs are exactly what build.sh compiles into bin/cpp/lib: the pinned upstream
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# commit plus harness/cpp/{CMakeLists.txt,build.sh,stubs/**,patches/**}. The shims
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# (harness/cpp/shim/**) are compiled by crates/solidcore-ffi, not by build.sh, so they
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# are not part of the key. CI (actions/cache key), .github/workflows/cpp-reference.yml
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# (release tag cpp-ref-<key>) and scripts/fetch-cpp.sh all call this script, so they
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# always agree. Bump the "v1" prefix when the packaging itself changes.
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#
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# UPSTREAM_COMMIT overrides the pinned commit (CI exports the same value).
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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# Must match ATTRIBUTION.md / AGENTS.md / .github/workflows/ci.yml.
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PINNED=c9c5979f04cea8c38213004d4f04df0dcfb40d05
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COMMIT="${UPSTREAM_COMMIT:-$PINNED}"
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if command -v sha256sum >/dev/null 2>&1; then
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sha() { sha256sum | cut -c1-64; }
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else
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sha() { shasum -a 256 | cut -c1-64; } # macOS
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fi
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cd "$ROOT"
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files="$(
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{ printf '%s\n' harness/cpp/CMakeLists.txt harness/cpp/build.sh
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for d in harness/cpp/stubs harness/cpp/patches; do
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if [ -d "$d" ]; then find "$d" -type f; fi
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done
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} | LC_ALL=C sort
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)"
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hash="$(
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printf '%s\n' "$files" | while IFS= read -r f; do
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printf '%s %s\n' "$(sha < "$f")" "$f"
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done | sha
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)"
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printf 'v1-%s-%s\n' "$(printf '%s' "$COMMIT" | cut -c1-12)" "$(printf '%s' "$hash" | cut -c1-16)"
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