49 lines
1.7 KiB
Nix
49 lines
1.7 KiB
Nix
{ stdenv
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, fetchFromGitHub
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, coreutils
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}:
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let
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yara = fetchFromGitHub {
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owner = "avast-tl";
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repo = "yara";
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rev = "ea101c5856941f39cad2db3012f2660d1d5c8b65";
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sha256 = "033ssx2hql5k4pv9si043s3mjq2b748ymjzif8pg6rdwh260faky";
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};
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in stdenv.mkDerivation rec {
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# only fetches the yaracpp source patched to work with a local yara clone,
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# does not build anything
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pname = "yaracpp-src";
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version = "2018-10-09";
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rev = "b92bde0e59e3b75bc445227e04b71105771dee8b"; # as specified in retdec/deps/yaracpp/CMakeLists.txt
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src = fetchFromGitHub {
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inherit rev;
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owner = "avast-tl";
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repo = "yaracpp";
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sha256 = "0fan7q79j7s3bjmhsd2nw6sqyi14xgikn7mr2p4nj87lick5l4a2";
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};
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postPatch = ''
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# check if our version of yara is the same version that upstream expects
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echo "Checking version of yara"
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expected_rev="$( sed -n -e 's|.*URL https://github.com/.*/archive/\(.*\)\.zip.*|\1|p' "deps/CMakeLists.txt" )"
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if [ "$expected_rev" != '${yara.rev}' ]; then
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echo "The yara dependency has the wrong version: ${yara.rev} while $expected_rev is expected."
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exit 1
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fi
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# patch the CMakeLists.txt file to use our local copy of the dependency instead of fetching it at build time
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sed -i -e "s|URL .*|URL ${yara}|" "deps/CMakeLists.txt"
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# abuse the CONFIGURE_COMMAND to make the source writeable after copying it to the build locatoin (necessary for the build)
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sed -i -e 's|CONFIGURE_COMMAND ""|CONFIGURE_COMMAND COMMAND ${coreutils}/bin/chmod -R u+w .|' "deps/CMakeLists.txt"
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'';
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buildPhase = "# do nothing";
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configurePhase = "# do nothing";
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installPhase = ''
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mkdir -p "$out"
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cp -r * "$out"
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'';
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}
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