{
inputs = {
nixpkgs = {
url = "github:NixOS/nixpkgs/release-23.11";
};
rust = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-compat = {
url = "github:edolstra/flake-compat";
};
# See <https://github.com/nix-systems/nix-systems>.
systems = {
url = "github:nix-systems/default";
};
};
outputs = { self, nixpkgs, rust, systems, ... }:
let
systems' = import systems;
pkgs_fun = system:
import nixpkgs ({
localSystem = system;
crossSystem = system;
overlays = [ rust.overlays.default self.overlays.default ];
} // (self.packages.${system} or { }))
;
cargo = nixpkgs.lib.importTOML ./Cargo.toml;
in
{
devShells = nixpkgs.lib.genAttrs systems' (system: with pkgs_fun system; {
default = mkShell {
nativeBuildInputs = [
rust-bin.stable.${cargo.package.rust-version}.default
];
shellHook = ''
export CARGO_HOME="$PWD/.cargo"
update() { cargo update; }
fmt() { cargo fmt; }
lint() { cargo clippy; }
check() { cargo fmt --check && cargo clippy; }
build() {
cargo build --all-targets --message-format human --release;
}
build_debug() {
cargo build --all-targets --message-format human;
}
build_doc() {
cargo doc --message-format short --no-deps
}
open_doc() {
firefox "file://$PWD/target/doc"/${lib.escapeShellArg cargo.package.name}/index.html
}
run() {
RUSTFLAGS='--cap-lints warn' cargo run --message-format short --bin ${lib.escapeShellArg cargo.package.name} --release -- "$@";
}
run_debug() {
RUSTFLAGS='--cap-lints warn' RUST_BACKTRACE=1 cargo run --message-format short --bin ${lib.escapeShellArg cargo.package.name} -- "$@";
}
'';
};
});
overlays.default = final: _: with final; {
cp437-tools =
let
rustPlatform = makeRustPlatform {
cargo = rust-bin.stable.${cargo.package.rust-version}.minimal;
rustc = rust-bin.stable.${cargo.package.rust-version}.minimal;
};
in
rustPlatform.buildRustPackage {
pname = cargo.package.name;
inherit (cargo.package) version;
src = self;
cargoLock.lockFile = self + "/Cargo.lock";
meta = with lib; {
inherit (cargo.package) description;
mainProgram = cargo.package.name;
homepage = cargo.package.homepage or cargo.package.repository;
license = with licenses; [ gpl3Plus cc-by-sa-40 ];
maintainers = with maintainers; [ kip93 ];
};
}
;
};
packages = nixpkgs.lib.genAttrs systems' (system: with pkgs_fun system; rec {
default = cp437-tools;
inherit (pkgs) cp437-tools;
test_files = runCommandLocal "ans_test_files"
{
passthru = {
simple = test_file_simple;
background = test_file_background;
large = test_file_large;
meta = test_file_meta;
comments = test_file_comments;
};
}
''
mkdir $out
ln -sf ${test_file_simple} $out/simple.ans
ln -sf ${test_file_background} $out/background.ans
ln -sf ${test_file_large} $out/large.ans
ln -sf ${test_file_meta} $out/meta.ans
ln -sf ${test_file_comments} $out/comments.ans
''
;
test_file = test_file_simple;
test_file_simple = runCommandLocal "simple.ans"
{
meta = with lib; {
description = "Test CP437 file";
license = licenses.cc0;
maintainers = with maintainers; [ kip93 ];
platforms = platforms.all;
};
}
''
printf "$( \
printf '%s\n' $(seq 0 255) \
| sed -E 's/^(10|13|26|27)$/32/g' \
| xargs -n32 bash -c ' \
printf "\x1B[0;3%dm" $(( $1 / 32 % 8)); \
printf "\\\\x%02x" "''${@:1:16}"; \
printf "\x1B[0;1;9%dm" $(( $1 / 32 % 8)); \
printf "\\\\x%02x" "''${@:17:16}" 13 10; \
' _ \
&& printf '\x1B[0m' \
)" >$out
''
;
test_file_background = runCommandLocal "background.ans"
{
meta = with lib; {
description = "Test CP437 file with background colours";
license = licenses.cc0;
maintainers = with maintainers; [ kip93 ];
platforms = platforms.all;
};
}
''
printf "$( \
printf '%s\n' $(seq 0 255) \
| sed -E 's/^(10|13|26|27)$/32/g' \
| xargs -n32 bash -c ' \
printf "\x1B[0;10%d;3%dm" $(( $1 / 32 % 8)) $(( $1 / 32 % 8)); \
printf "\\\\x%02x" "''${@:1:16}"; \
printf "\x1B[0;4%d;1;9%dm" $(( $1 / 32 % 8)) $(( $1 / 32 % 8)); \
printf "\\\\x%02x" "''${@:17:16}"; \
printf '\\\\x1B[0m\\\\x0D\\\\x0A'; \
' _ \
)" >$out
''
;
test_file_large = runCommandLocal "large.ans"
{
meta = with lib; {
description = "Large test CP437 file";
license = licenses.cc0;
maintainers = with maintainers; [ kip93 ];
platforms = platforms.all;
};
}
"for _ in {1..9999}; do cat ${test_file_simple} >>$out; done"
;
test_file_meta = runCommandLocal "meta.ans"
{
meta = with lib; {
description = "Test CP437 file with metadata";
license = licenses.cc0;
maintainers = with maintainers; [ kip93 ];
platforms = platforms.all;
};
}
''
cat ${test_file_simple} >$out
printf '\x1ASAUCE00' >>$out
printf TITLE >>$out
for _ in {1..30}; do printf ' ' >>$out; done
printf AUTHOR >>$out
for _ in {1..14}; do printf ' ' >>$out; done
printf GROUP >>$out
for _ in {1..15}; do printf ' ' >>$out; done
printf 19700101 >>$out
size="$(printf %08X "$(stat -c %s ${test_file_simple})")"
printf "$(printf '\\x%s' "''${size:6:2}")" >>$out
printf "$(printf '\\x%s' "''${size:4:2}")" >>$out
printf "$(printf '\\x%s' "''${size:2:2}")" >>$out
printf "$(printf '\\x%s' "''${size:0:2}")" >>$out
printf '\x1\x1' >>$out
printf '\x20\0\x08\0\0\0\0\0' >>$out
printf '\0' >>$out
printf '\x01' >>$out
printf 'IBM VGA' >>$out
for _ in {1..15}; do printf '\0' >>$out; done
''
;
test_file_comments = runCommandLocal "comments.ans"
{
meta = with lib; {
description = "Test CP437 file with comments";
license = licenses.cc0;
maintainers = with maintainers; [ kip93 ];
platforms = platforms.all;
};
}
''
cat ${test_file_simple} >$out
printf '\x1ACOMNT' >>$out
printf '%-64s' Lorem ipsum dolor sit amet >>$out
printf SAUCE00 >>$out
printf TITLE >>$out
for _ in {1..30}; do printf ' ' >>$out; done
printf AUTHOR >>$out
for _ in {1..14}; do printf ' ' >>$out; done
printf GROUP >>$out
for _ in {1..15}; do printf ' ' >>$out; done
printf 19700101 >>$out
size="$(printf %08X "$(stat -c %s ${test_file_simple})")"
printf "$(printf '\\x%s' "''${size:6:2}")" >>$out
printf "$(printf '\\x%s' "''${size:4:2}")" >>$out
printf "$(printf '\\x%s' "''${size:2:2}")" >>$out
printf "$(printf '\\x%s' "''${size:0:2}")" >>$out
printf '\x1\x1' >>$out
printf '\x20\0\x08\0\0\0\0\0' >>$out
printf '\x5' >>$out
printf '\x01' >>$out
printf 'IBM VGA' >>$out
for _ in {1..15}; do printf '\0' >>$out; done
''
;
});
}
;
}