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|
{
description = "Environment for the Advent of Code 2023, solved in C++";
inputs.devshell.url = "github:numtide/devshell";
inputs.flake-utils.url = "github:numtide/flake-utils";
inputs.flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
outputs = { self, flake-utils, devshell, nixpkgs, ... }:
flake-utils.lib.eachDefaultSystem (system: {
devShells.default = let
pkgs = import nixpkgs {
inherit system;
overlays = [ devshell.overlays.default ];
};
in pkgs.devshell.mkShell {
devshell = {
motd = ''
{bold}{3}🎄 Advent of Code 2023 🎄{reset}
$(for CMD in g++ make gdb clangd ; do
"$CMD" --version | head -n1
done)
$(type -p menu &>/dev/null && menu)
'';
interactive = {
prompt.text = ''
export PS1="\n> "
'';
};
};
packages = with pkgs; [
gcc gnumake gdb clang-tools bear
];
#env = [
# { name = "ENV"; value = "val"; }
#];
commands = [
{
category = "aoc";
name = "start";
help = "Deploy directory structure for day $1";
command = ''
BASE="$(printf %02d $1)"
[ -d "$BASE" ] && echo "Existing directory '$BASE'" && exit 1
mkdir -p "$BASE" && cd $_
mkdir -p src resources
cat << EOF >> src/part1.cpp
#include <iostream>
#include <fstream>
int main(void)
{
int answer{};
std::ifstream input{ "resources/input_small.txt" };
if (input.is_open())
{
std::string line;
while (not std::getline(input,line).eof())
{
/* ... */
}
}
input.close();
/* ... */
std::cout << answer << std::endl;
return 0;
}
EOF
cp src/part1.cpp src/part2.cpp
cat << EOF >> Makefile
CXXFLAGS := -std=c++17
EXE := part1 part2
.PHONY: all clean configure
all: \$(EXE)
configure:
bear -- \$(MAKE) all
%.o: %.cpp
\$(CXX) -c \$(CXXFLAGS) $< -o $@
clean:
rm -rf \$(EXE) src/*.o compile_commands.json
%: src/%.o
\$(CXX) $^ -o $@
EOF
'';
}
];
};
});
}
|
