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core/flake.nix

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{
description = "A terminal UI client for the matrix chat protocol";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
# inputs for following
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
crane = {
url = "github:ipetkov/crane";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-compat.follows = "flake-compat";
flake-utils.follows = "flake-utils";
rust-overlay.follows = "rust-overlay";
};
};
flake-utils = {
url = "github:numtide/flake-utils";
inputs = {};
};
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-utils.follows = "flake-utils";
};
};
# cranelift
rustc_cranelift_backend = {
url = "github:bjorn3/rustc_codegen_cranelift/dev";
flake = false;
};
rustc_cranelift_backend_src = {
url = "https://github.com/bjorn3/rustc_codegen_cranelift/releases/download/dev/cg_clif-x86_64-unknown-linux-gnu.tar.xz";
flake = false;
};
};
outputs = {
self,
nixpkgs,
crane,
flake-utils,
rust-overlay,
rustc_cranelift_backend,
rustc_cranelift_backend_src,
...
}:
flake-utils.lib.eachDefaultSystem (system: let
c_rust = pkgs.rust-bin.fromRustupToolchainFile "${rustc_cranelift_backend}/rust-toolchain";
rcb = pkgs.stdenv.mkDerivation {
pname = "rustc_cranelift_backend";
version = "1.0";
buildInputs = [c_rust];
nativeBuildInputs = with pkgs; [gawk fd];
srcs = ["${rustc_cranelift_backend_src}" "${c_rust}"];
sourceRoot = ".";
postUnpack = ''
rust_dir="$(fd . --max-depth 1 | awk '!/source/ && !/env-vars/')"
# remove unneeded stuff
rm -r "$rust_dir"/{bin,nix-support,share};
rm -r "$rust_dir"/lib/rustlib/{etc,src,rustc-src};
cp -r "$rust_dir"/. source/extra_dependencies
rm -r "$rust_dir"
cd source
'';
postPatch = ''
# patch bins
for file in $(fd . --type file);do
file="$(file --mime "$file" | awk 'BEGIN{FS=":"}/application\/x-pie-executable/{print $1}')";
if [ "$file" ]; then
echo "file: '$file' matches";
correct_interpreter_path="$(ldd "$file" | tail -n1 | awk 'BEGIN{FS="=> "} {print $2}' | awk 'BEGIN{FS=" "}{print $1}')"
echo "correct interpreter path is: '$correct_interpreter_path'"
patchelf --set-interpreter "$correct_interpreter_path" "$file"
if [ "$(patchelf --print-interpreter "$file")" = "$correct_interpreter_path" ];then
echo "Set interpreter";
else
echo "Failed to set interprter, the interpreter still is $(patchelf --print-interpreter )";
exit 1
fi
fi
done
# patch libs
all_files=$(mktemp);
for file in $(fd .);do
canonical_path="$(readlink -f "$file")"
file="$(file --mime "$canonical_path" | awk 'BEGIN{FS=":"}/application\/x-sharedlib/{print $1}')";
if [ "$file" ]; then
echo "$file" >> $all_files;
fi
done
while read -r file; do
echo "___________________";
echo "Checking file: '$file'";
is_missing="$(ldd "$file" | awk 'BEGIN{FS="=>"}{if (/not found/){print $1}}')"
if [ "$is_missing" ];then
echo "Warning: The following things are missing:";
for line in $is_missing; do
echo " $line";
done
echo
for line in $is_missing; do
echo "Searching for a substitute for '$line'"
substitute="$(grep "$line" "$all_files" | awk 'BEGIN{FS=" "}{print $1}' | tail -n1)";
if [ "$substitute" ]; then
echo "Found '$substitute', which can substitute '$line'"
echo "Patching.."
patchelf --replace-needed "$line" "$(readlink -f "$substitute")" "$file";
else
echo "Error: Failed to find a substitute"
fi
done
else
echo "This file is not missing anything"
fi
done < $all_files
rm $all_files
'';
installPhase = ''
install -d $out/
cp -r ./. $out/
'';
};
pkgs = import nixpkgs {
inherit system;
overlays = [(import rust-overlay)];
};
nightly = true;
rust =
if nightly
then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)
else pkgs.rust-bin.stable.latest.default;
craneLib = (crane.mkLib pkgs).overrideToolchain rust;
nativeBuildInputs = with pkgs; [
pkg-config
mold
rcb
];
buildInputs = with pkgs; [
openssl
lua54Packages.lua
];
craneBuild = craneLib.buildPackage {
src = craneLib.cleanCargoSource ./.;
doCheck = true;
inherit nativeBuildInputs buildInputs;
};
in {
packages = {
default = craneBuild;
};
app.default = {
type = "app";
program = "${self.packages.${system}.default}/bin/trinitix";
};
devShells.default = pkgs.mkShell {
packages = with pkgs; [
nil
alejandra
statix
ltex-ls
rust
rust-analyzer
cargo-edit
cargo-expand
];
inherit nativeBuildInputs buildInputs;
};
});
}
# vim: ts=2