60 lines
2 KiB
Nix
60 lines
2 KiB
Nix
{ stdenv, cacert, git, rust, cargo-vendor, python3 }:
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let cargo-vendor-normalise = stdenv.mkDerivation {
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name = "cargo-vendor-normalise";
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src = ./cargo-vendor-normalise.py;
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unpackPhase = ":";
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installPhase = "install -D $src $out/bin/cargo-vendor-normalise";
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doInstallCheck = true;
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installCheckPhase = ''
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# check that ./fetchcargo-default-config.toml is a fix point
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reference=${./fetchcargo-default-config.toml}
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< $reference $out/bin/cargo-vendor-normalise > test;
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cmp test $reference
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'';
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buildInputs = [ (python3.withPackages(ps: [ ps.toml ])) ];
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preferLocalBuild = true;
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};
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in
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{ name ? "cargo-deps", src, srcs, patches, sourceRoot, sha256, cargoUpdateHook ? "" }:
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stdenv.mkDerivation {
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name = "${name}-vendor";
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nativeBuildInputs = [ cacert cargo-vendor git cargo-vendor-normalise rust.cargo ];
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inherit src srcs patches sourceRoot;
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phases = "unpackPhase patchPhase installPhase";
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installPhase = ''
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if [[ ! -f Cargo.lock ]]; then
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echo
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echo "ERROR: The Cargo.lock file doesn't exist"
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echo
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echo "Cargo.lock is needed to make sure that cargoSha256 doesn't change"
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echo "when the registry is updated."
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echo
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exit 1
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fi
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export CARGO_HOME=$(mktemp -d cargo-home.XXX)
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${cargoUpdateHook}
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mkdir -p $out
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cargo vendor $out | cargo-vendor-normalise > config
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# fetchcargo used to never keep the config output by cargo vendor
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# and instead hardcode the config in ./fetchcargo-default-config.toml.
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# This broke on packages needing git dependencies, so now we keep the config.
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# But not to break old cargoSha256, if the previous behavior was enough,
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# we don't store the config.
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if ! cmp config ${./fetchcargo-default-config.toml} > /dev/null; then
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install -Dt $out/.cargo config;
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fi;
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'';
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outputHashAlgo = "sha256";
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outputHashMode = "recursive";
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outputHash = sha256;
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impureEnvVars = stdenv.lib.fetchers.proxyImpureEnvVars;
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preferLocalBuild = true;
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}
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