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Co-authored-by: Tim Ruffing <crypto@timruffing.de>
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#!/bin/sh | ||
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set -eu | ||
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default_base_version="$(git describe --match "v*.*.*" --abbrev=0)" | ||
default_new_version="master" | ||
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display_help_and_exit() { | ||
echo "Usage: $0 <base_ver> <new_ver>" | ||
echo "" | ||
echo "Description: This script uses the ABI Compliance Checker tool to determine if the ABI" | ||
echo " of a new version of libsecp256k1 has changed in a backward-incompatible way." | ||
echo "" | ||
echo "Options:" | ||
echo " base_ver Specify the base version (default: $default_base_version)" | ||
echo " new_ver Specify the new version (default: $default_new_version)" | ||
echo " -h, --help Display this help message" | ||
exit 0 | ||
} | ||
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if [ "$#" -eq 0 ]; then | ||
base_version="$default_base_version" | ||
new_version="$default_new_version" | ||
elif [ "$#" -eq 1 ] && { [ "$1" = "-h" ] || [ "$1" = "--help" ]; }; then | ||
display_help_and_exit | ||
elif [ "$#" -eq 2 ]; then | ||
base_version="$1" | ||
new_version="$2" | ||
else | ||
echo "Invalid usage. See help:" | ||
echo "" | ||
display_help_and_exit | ||
fi | ||
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checkout_and_build() { | ||
git worktree add -d "$1" "$2" | ||
cd "$1" | ||
mkdir build && cd build | ||
cmake -S .. --preset dev-mode \ | ||
-DCMAKE_C_COMPILER=gcc -DCMAKE_BUILD_TYPE=None -DCMAKE_C_FLAGS="-g -Og -gdwarf-4" \ | ||
-DSECP256K1_BUILD_BENCHMARK=OFF \ | ||
-DSECP256K1_BUILD_TESTS=OFF \ | ||
-DSECP256K1_BUILD_EXHAUSTIVE_TESTS=OFF \ | ||
-DSECP256K1_BUILD_CTIME_TESTS=OFF \ | ||
-DSECP256K1_BUILD_EXAMPLES=OFF | ||
cmake --build . -j "$(nproc)" | ||
abi-dumper src/libsecp256k1.so -o ABI.dump -lver "$2" | ||
} | ||
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echo "Comparing $base_version (base version) to $new_version (new version)" | ||
echo | ||
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original_dir="$(pwd)" | ||
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base_source_dir=$(mktemp -d) | ||
checkout_and_build "$base_source_dir" "$base_version" | ||
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new_source_dir=$(mktemp -d) | ||
checkout_and_build "$new_source_dir" "$new_version" | ||
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cd "$original_dir" | ||
abi-compliance-checker -lib libsecp256k1 -old "${base_source_dir}/build/ABI.dump" -new "${new_source_dir}/build/ABI.dump" | ||
git worktree remove "$base_source_dir" | ||
git worktree remove "$new_source_dir" |