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|
{
hare,
lib,
makeSetupHook,
makeWrapper,
runCommand,
stdenv,
writeShellApplication,
}:
let
arch = stdenv.targetPlatform.uname.processor;
harePropagationInputs = builtins.attrValues { inherit (hare) harec qbe; };
hareWrappedScript = writeShellApplication {
# `name` MUST be `hare`, since its role is to replace the hare binary.
name = "hare";
runtimeInputs = [ hare ];
excludeShellChecks = [ "SC2086" ];
# ''${cmd:+"$cmd"} is used on the default case to keep the same behavior as
# the hare binary: If "$cmd" is passed directly and it's empty, the hare
# binary will treat it as an unrecognized command.
text = ''
readonly cmd="$1"
shift
case "$cmd" in
"test"|"run"|"build") exec hare "$cmd" $NIX_HAREFLAGS "$@" ;;
*) exec hare ''${cmd:+"$cmd"} "$@"
esac
'';
};
hareWrapper = runCommand "hare-wrapper" { nativeBuildInputs = [ makeWrapper ]; } ''
mkdir -p $out/bin
install ${lib.getExe hareWrappedScript} $out/bin/hare
makeWrapper ${lib.getExe hare} $out/bin/hare-native \
--inherit-argv0 \
--unset AR \
--unset LD \
--unset CC
'';
in
makeSetupHook {
name = "hare-hook";
# The propagation of `qbe` and `harec` (harePropagationInputs) is needed for
# build frameworks like `haredo`, which set the HAREC and QBE env vars to
# `harec` and `qbe` respectively. We use the derivations from the `hare`
# package to assure that there's no different behavior between the `hareHook`
# and `hare` packages.
propagatedBuildInputs = [ hareWrapper ] ++ harePropagationInputs;
substitutions = {
hare_unconditional_flags = "-q -a${arch}";
hare_stdlib = "${hare}/src/hare/stdlib";
};
meta = {
description = "A setup hook for the Hare compiler";
inherit (hare.meta) badPlatforms platforms;
};
} ./setup-hook.sh
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