69 lines
2.2 KiB
Nix
69 lines
2.2 KiB
Nix
{ clang
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, fetchFromGitHub
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, lib
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, llvmPackages
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, protobuf
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, rustPlatform
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, writeShellScriptBin
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}:
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rustPlatform.buildRustPackage rec {
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pname = "polkadot";
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version = "0.9.16";
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src = fetchFromGitHub {
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owner = "paritytech";
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repo = "polkadot";
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rev = "v${version}";
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sha256 = "sha256-NXuYUmo80rrBZCcuISKon48SKyyJrkzCEhggxaJNfBM=";
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# see the comment below on fakeGit for how this is used
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leaveDotGit = true;
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postFetch = ''
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( cd $out; git rev-parse --short HEAD > .git_commit )
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rm -rf $out/.git
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'';
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};
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cargoSha256 = "sha256-PIORMTzQbMdlrKwuF4MiGrLlg2nQpgLRsaHHeiCbqrg=";
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nativeBuildInputs =
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let
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# the build process of polkadot requires a .git folder in order to determine
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# the git commit hash that is being built and add it to the version string.
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# since having a .git folder introduces reproducibility issues to the nix
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# build, we check the git commit hash after fetching the source and save it
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# into a .git_commit file, and then delete the .git folder. then we create a
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# fake git command that will just return the contents of this file, which will
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# be used when the polkadot build calls `git rev-parse` to fetch the commit
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# hash.
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fakeGit = writeShellScriptBin "git" ''
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if [[ $@ = "rev-parse --short HEAD" ]]; then
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cat /build/source/.git_commit
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else
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>&2 echo "Unknown command: $@"
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exit 1
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fi
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'';
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in
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[ clang fakeGit ];
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LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
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PROTOC = "${protobuf}/bin/protoc";
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# NOTE: We don't build the WASM runtimes since this would require a more
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# complicated rust environment setup and this is only needed for developer
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# environments. The resulting binary is useful for end-users of live networks
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# since those just use the WASM blob from the network chainspec.
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SKIP_WASM_BUILD = 1;
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# We can't run the test suite since we didn't compile the WASM runtimes.
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doCheck = false;
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meta = with lib; {
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description = "Polkadot Node Implementation";
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homepage = "https://polkadot.network";
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license = licenses.gpl3Only;
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maintainers = with maintainers; [ akru andresilva asymmetric FlorianFranzen RaghavSood ];
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platforms = platforms.linux;
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};
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}
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