nixpkgs/pkgs/build-support/rust/build-rust-crate/install-crate.nix

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{ stdenv }:
crateName: metadata: buildTests:
if !buildTests then ''
runHook preInstall
# always create $out even if we do not have binaries. We are detecting binary targets during compilation, if those are missing there is no way to only have $lib
mkdir $out
if [[ -s target/env ]]; then
mkdir -p $lib
cp target/env $lib/env
fi
if [[ -s target/link.final ]]; then
mkdir -p $lib/lib
cp target/link.final $lib/lib/link
fi
if [[ "$(ls -A target/lib)" ]]; then
mkdir -p $lib/lib
cp -r target/lib/* $lib/lib #*/
for library in $lib/lib/*.so $lib/lib/*.dylib; do #*/
ln -s $library $(echo $library | sed -e "s/-${metadata}//")
done
fi
if [[ "$(ls -A target/build)" ]]; then # */
mkdir -p $lib/lib
cp -r target/build/* $lib/lib # */
fi
if [[ -d target/bin ]]; then
if [[ "$(ls -A target/bin)" ]]; then
mkdir -p $out/bin
cp -rP target/bin/* $out/bin # */
fi
fi
runHook postInstall
'' else
# for tests we just put them all in the output. No execution.
''
runHook preInstall
mkdir -p $out/tests
if [ -e target/bin ]; then
find target/bin/ -type f -executable -exec cp {} $out/tests \;
fi
if [ -e target/lib ]; then
find target/lib/ -type f \! -name '*.rlib' \
-a \! -name '*${stdenv.hostPlatform.extensions.library}' \
-a \! -name '*.d' \
-executable \
-print0 | xargs --no-run-if-empty --null install --target $out/tests;
fi
runHook postInstall
''