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|
{ pkgs ? import <nixpkgs> { } }:
let
lib = pkgs.lib;
netencodeSourceDir = toString ./.;
rust-writers = import ./nix-lib/rust-writers.nix { inherit pkgs lib drvSeqL; };
rust-crates = import ./nix-lib/rust-crates.nix { inherit pkgs lib; };
exact-source = import ./nix-lib/exact-source.nix { inherit pkgs lib; };
exec-helpers = import ./lib-rust/exec-helpers/default.nix { inherit pkgs lib rust-writers exact-source; };
drvSeqL = import ./nix-lib/drvSeqL.nix { inherit pkgs lib; };
arglib = import ./lib-haskell/arglib/netencode.nix { inherit pkgs lib rust-writers exact-source exec-helpers gen netencode-rs netencode-hs; };
my-prelude = import ./third-party/my-prelude/default.nix { inherit pkgs lib exact-source; };
netencode-rs =
rust-writers.rustFullLib {
name = "netencode";
libPath = "src/netencode.rs";
src = exact-source ./lib-rust [
./lib-rust/Cargo.toml
./lib-rust/src/netencode.rs
./lib-rust/tests/simple_generator_test.rs
];
dependencies = [
rust-crates.nom
rust-crates.indexmap
exec-helpers.exec-helpers-rs
];
};
netencode-hs = pkgs.haskellPackages.mkDerivation {
pname = "netencode";
version = "0.1.0";
src = exact-source ./lib-haskell [
./lib-haskell/netencode.cabal
./lib-haskell/Netencode.hs
./lib-haskell/Netencode/Parse.hs
./lib-haskell/test/GeneratorSpec.hs
];
libraryHaskellDepends = [
my-prelude
pkgs.haskellPackages.hedgehog
pkgs.haskellPackages.nonempty-containers
pkgs.haskellPackages.deriving-compat
pkgs.haskellPackages.data-fix
pkgs.haskellPackages.bytestring
pkgs.haskellPackages.attoparsec
pkgs.haskellPackages.pa-label
pkgs.haskellPackages.pa-error-tree
];
isLibrary = true;
license = lib.licenses.mit;
};
gen = import ./lib-nix/gen.nix { inherit lib; };
pretty-rs = rust-writers.rustSimpleLib
{
name = "netencode-pretty";
dependencies = [
netencode-rs
];
}
(builtins.readFile ./lib-rust/pretty.rs);
pretty = rust-writers.rustSimple
{
name = "netencode-pretty";
dependencies = [
netencode-rs
pretty-rs
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate netencode_pretty;
extern crate exec_helpers;
fn main() {
let (_, prog) = exec_helpers::args_for_exec("netencode-pretty", 0);
let t = netencode::t_from_stdin_or_die_user_error("netencode-pretty");
match netencode_pretty::Pretty::from_u(t.to_u()).print_multiline(&mut std::io::stdout()) {
Ok(()) => {},
Err(err) => exec_helpers::die_temporary("netencode-pretty", format!("could not write to stdout: {}", err))
}
}
'';
netencode-mustache = rust-writers.rustSimple
{
name = "netencode_mustache";
dependencies = [
arglib.rust
netencode-rs
rust-crates.mustache
];
}
(builtins.readFile ./lib-rust/tools/netencode-mustache.rs);
netencode-record-get = rust-writers.rustSimple
{
name = "netencode-record-get";
dependencies = [
netencode-rs
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate exec_helpers;
use netencode::{encode, dec};
use netencode::dec::{Decoder, DecodeError};
fn main() {
let args = exec_helpers::args("netencode-record-get", 1);
let field = match std::str::from_utf8(&args[0]) {
Ok(f) => f,
Err(_e) => exec_helpers::die_user_error("netencode-record-get", format!("The field name needs to be valid unicode"))
};
let t = netencode::t_from_stdin_or_die_user_error("netencode-record-get");
match (dec::RecordDot {field, inner: dec::AnyU }).dec(t.to_u()) {
Ok(u) => encode(&mut std::io::stdout(), &u).expect("encoding to stdout failed"),
Err(DecodeError(err)) => exec_helpers::die_user_error("netencode-record-get", err)
}
}
'';
netencode-to-env = rust-writers.rustSimple
{
name = "netencode-to-env";
dependencies = [
netencode-rs
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate exec_helpers;
use netencode::dec::{Record, Try, ScalarAsBytes, Decoder, DecodeError};
fn main() {
let t = netencode::t_from_stdin_or_die_user_error("netencode-to-env");
let (_, prog) = exec_helpers::args_for_exec("netencode-to-env", 0);
match Record(Try(ScalarAsBytes)).dec(t.to_u()) {
Ok(map) => {
exec_helpers::exec_into_args(
"netencode-to-env",
prog,
// some elements can’t be decoded as scalars, so just ignore them
map.into_iter().filter_map(|(k, v)| v.map(|v2| (k, v2)))
);
},
Err(DecodeError(err)) => exec_helpers::die_user_error("netencode-to-env", err),
}
}
'';
env-to-netencode = rust-writers.rustSimple
{
name = "env-to-netencode";
dependencies = [
netencode-rs
rust-crates.indexmap
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate exec_helpers;
extern crate indexmap;
use netencode::{T};
use std::os::unix::ffi::OsStringExt;
fn main() {
exec_helpers::no_args("env-to-netencode");
let mut res = indexmap::IndexMap::new();
for (key, val) in std::env::vars_os() {
match (String::from_utf8(key.into_vec()), String::from_utf8(val.into_vec())) {
(Ok(k), Ok(v)) => { let _ = res.insert(k, T::Text(v)); },
// same as in record-splice-env, we ignore non-utf8 variables
(_, _) => {},
}
}
netencode::encode(&mut std::io::stdout(), &T::Record(res).to_u()).unwrap()
}
'';
netencode-man = pkgs.stdenv.mkDerivation {
name = "netencode-man";
src = exact-source ./. [
./man/netencode.5.scd
./man/netencode-pretty.1.scd
./man/netencode-record-get.1.scd
./man/netencode-to-env.1.scd
./man/env-to-netencode.1.scd
./man/json-to-netencode.1.scd
./man/netencode-filter.1.scd
./man/netencode-plain.1.scd
./man/netencode-mustache.1.scd
];
nativeBuildInputs = [ pkgs.scdoc ];
buildPhase = ''
# Generate man pages from scdoc sources
scdoc < man/netencode.5.scd > netencode.5
scdoc < man/netencode-pretty.1.scd > netencode-pretty.1
scdoc < man/netencode-record-get.1.scd > netencode-record-get.1
scdoc < man/netencode-to-env.1.scd > netencode-to-env.1
scdoc < man/env-to-netencode.1.scd > env-to-netencode.1
scdoc < man/json-to-netencode.1.scd > json-to-netencode.1
scdoc < man/netencode-filter.1.scd > netencode-filter.1
scdoc < man/netencode-plain.1.scd > netencode-plain.1
scdoc < man/netencode-mustache.1.scd > netencode-mustache.1
'';
installPhase = ''
mkdir -p $out/share/man/man1 $out/share/man/man5
# Install section 5 (file formats)
cp netencode.5 $out/share/man/man5/
# Install section 1 (commands)
cp netencode-pretty.1 $out/share/man/man1/
cp netencode-record-get.1 $out/share/man/man1/
cp netencode-to-env.1 $out/share/man/man1/
cp env-to-netencode.1 $out/share/man/man1/
cp json-to-netencode.1 $out/share/man/man1/
cp netencode-filter.1 $out/share/man/man1/
cp netencode-plain.1 $out/share/man/man1/
cp netencode-mustache.1 $out/share/man/man1/
'';
};
json-to-netencode = rust-writers.rustSimple
{
name = "json-to-netencode";
dependencies = [
netencode-rs
exec-helpers.exec-helpers-rs
rust-crates.serde_json
rust-crates.indexmap
];
} ''
extern crate netencode;
extern crate exec_helpers;
extern crate serde_json;
extern crate indexmap;
use netencode::{T, Tag};
use indexmap::IndexMap;
fn json_to_netencode(value: serde_json::Value) -> T {
match value {
serde_json::Value::Null => T::Unit,
serde_json::Value::Bool(true) => T::Tag(Tag {
tag: "true".to_string(),
val: Box::new(T::Unit),
}),
serde_json::Value::Bool(false) => T::Tag(Tag {
tag: "false".to_string(),
val: Box::new(T::Unit),
}),
serde_json::Value::Number(n) => {
if let Some(i) = n.as_i64() {
T::I(i)
} else if let Some(u) = n.as_u64() {
T::N(u)
} else {
// Float - convert to string representation
T::Text(n.to_string())
}
},
serde_json::Value::String(s) => T::Text(s),
serde_json::Value::Array(arr) => {
T::List(arr.into_iter().map(json_to_netencode).collect())
},
serde_json::Value::Object(obj) => {
let mut map = IndexMap::new();
for (k, v) in obj {
map.insert(k, json_to_netencode(v));
}
T::Record(map)
},
}
}
fn main() {
exec_helpers::no_args("json-to-netencode");
let stdin = std::io::stdin();
let reader = stdin.lock();
match serde_json::from_reader::<_, serde_json::Value>(reader) {
Ok(json_value) => {
let netencode_value = json_to_netencode(json_value);
netencode::encode(&mut std::io::stdout(), &netencode_value.to_u()).unwrap();
},
Err(e) => exec_helpers::die_user_error("json-to-netencode", format!("Failed to parse JSON: {}", e)),
}
}
'';
netencode-filter = rust-writers.rustSimple
{
name = "netencode-filter";
dependencies = [
netencode-rs
rust-crates.indexmap
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate exec_helpers;
extern crate indexmap;
use netencode::{T, U, dec};
use netencode::dec::{Decoder, DecodeError};
use std::io::{self, Write, BufRead, BufReader};
fn matches_filter(record: &indexmap::IndexMap<String, T>, field: &str, value: &str) -> bool {
if let Some(field_value) = record.get(field) {
match field_value {
T::Text(s) => s == value,
T::N(n) => value.parse::<u64>().map_or(false, |v| *n == v),
T::I(i) => value.parse::<i64>().map_or(false, |v| *i == v),
T::Tag(tag) => tag.tag == value,
_ => false,
}
} else {
false
}
}
fn main() {
let args = exec_helpers::args("netencode-filter", 1);
let filter_expr = String::from_utf8(args[0].clone())
.expect("Filter expression must be valid UTF-8");
let (field, value) = if let Some(eq_pos) = filter_expr.find('=') {
let field = &filter_expr[..eq_pos];
let value = &filter_expr[eq_pos + 1..];
(field, value)
} else {
exec_helpers::die_user_error("netencode-filter", "Filter expression must be in format 'field=value'");
};
let stdin = io::stdin();
let reader = BufReader::new(stdin.lock());
let mut stdout = io::stdout();
for line in reader.lines() {
match line {
Ok(line_str) => {
if line_str.trim().is_empty() {
continue;
}
match netencode::parse::t_t(line_str.as_bytes()) {
Ok((_, t)) => {
match &t {
T::Record(record) => {
if matches_filter(record, field, value) {
netencode::encode(&mut stdout, &t.to_u()).unwrap();
stdout.flush().unwrap();
}
},
_ => {
// Not a record, just pass through
netencode::encode(&mut stdout, &t.to_u()).unwrap();
stdout.flush().unwrap();
}
}
},
Err(_) => {
// Invalid netencode, skip
continue;
}
}
},
Err(_) => break,
}
}
}
'';
netencode-plain = rust-writers.rustSimple
{
name = "netencode-plain";
dependencies = [
netencode-rs
exec-helpers.exec-helpers-rs
];
} ''
extern crate netencode;
extern crate exec_helpers;
use netencode::{encode};
use std::io::{self, Write};
fn main() {
exec_helpers::no_args("netencode-plain");
let t = netencode::t_from_stdin_or_die_user_error("netencode-plain");
match t.to_u() {
// Text values - output raw text content
netencode::U::Text(s) => {
print!("{}", s);
},
// Natural numbers - output as decimal
netencode::U::N(n) => {
print!("{}", n);
},
// Signed integers - output as decimal
netencode::U::I(i) => {
print!("{}", i);
},
// Binary data - output raw bytes
netencode::U::Bytes(bytes) => {
io::stdout().write_all(bytes).unwrap();
},
// Tagged values - handle booleans, pass through others
netencode::U::Tag(tag) => {
match (tag.tag.as_ref(), tag.val.as_ref()) {
("true", netencode::U::Unit) => {
print!("true");
},
("false", netencode::U::Unit) => {
print!("false");
},
// For other tagged values, output the original netencode
_ => {
encode(&mut std::io::stdout(), &t.to_u()).expect("encoding to stdout failed");
}
}
},
// Records and Lists - pass through verbatim
netencode::U::Record(_) | netencode::U::List(_) => {
encode(&mut std::io::stdout(), &t.to_u()).expect("encoding to stdout failed");
},
// Unit - output nothing (empty)
netencode::U::Unit => {
// Output nothing for unit values
}
}
}
'';
netencode-tests = { testFiles ? "", pytestArgs ? "", customTest ? null }: pkgs.stdenv.mkDerivation {
name = "netencode-tests";
src = exact-source ./. [
./tests/test_integration.py
./tests/test_readme_examples.py
./tests/test_manpage_examples.py
./tests/test_netencode_py.py
./tests/test_pretty_printer.py
./tests/test_network.py
./tests/GENERATOR_TEST_SPEC.md
./tests/conftest.py
./tests/pytest.ini
./lib-python/netencode.py
];
nativeBuildInputs = with pkgs; [
(python3.withPackages (ps: with ps; [ pytest ]))
];
buildInputs = [
# All netencode tools needed for testing
netencode
];
# Set up environment variables for tools (like shell.nix does)
shellHook = ''
export JSON_TO_NETENCODE="${json-to-netencode}/bin/json-to-netencode"
export NETENCODE_FILTER="${netencode-filter}/bin/netencode-filter"
export NETENCODE_PLAIN="${netencode-plain}/bin/netencode-plain"
export NETENCODE_RECORD_GET="${netencode-record-get}/bin/netencode-record-get"
export ENV_TO_NETENCODE="${env-to-netencode}/bin/env-to-netencode"
export NETENCODE_TO_ENV="${netencode-to-env}/bin/netencode-to-env"
export NETENCODE_PRETTY="${pretty}/bin/netencode-pretty"
'';
buildPhase = ''
# Set up environment variables for tools
export JSON_TO_NETENCODE="${json-to-netencode}/bin/json-to-netencode"
export NETENCODE_FILTER="${netencode-filter}/bin/netencode-filter"
export NETENCODE_PLAIN="${netencode-plain}/bin/netencode-plain"
export NETENCODE_RECORD_GET="${netencode-record-get}/bin/netencode-record-get"
export ENV_TO_NETENCODE="${env-to-netencode}/bin/env-to-netencode"
export NETENCODE_TO_ENV="${netencode-to-env}/bin/netencode-to-env"
export NETENCODE_PRETTY="${pretty}/bin/netencode-pretty"
export NETENCODE_MUSTACHE="${netencode-mustache}/bin/netencode_mustache"
# Include custom test file & run if provided
${if customTest != null
then ''
echo "=== Running custom test ==="
echo "Command: ${customTest}"
source ${customTest}
echo "=== Custom test completed ==="
echo ""
'' else ""}
# Change to tests directory
cd tests
# Determine which tests to run
if [ -n "${testFiles}" ]; then
TEST_FILES="${testFiles}"
else
# Use glob to include all test files except network tests (which require internet)
TEST_FILES="test_*.py"
# Exclude network tests from default run
TEST_FILES="--ignore=test_network.py test_*.py"
fi
# Determine pytest arguments
if [ -n "${pytestArgs}" ]; then
PYTEST_ARGS="${pytestArgs}"
else
PYTEST_ARGS="-q --tb=short"
fi
# Run the tests
python -m pytest $PYTEST_ARGS $TEST_FILES
'';
installPhase = ''
mkdir -p $out
echo "Tests completed successfully" > $out/test-results.txt
echo "Test files: ${testFiles}" >> $out/test-results.txt
echo "Pytest args: ${pytestArgs}" >> $out/test-results.txt
'';
meta = {
description = "Test suite for netencode tools";
longDescription = ''
Runs the netencode test suite. By default, excludes network-requiring tests.
Usage:
- nix-build -A netencode-tests # Run all offline tests
- nix-build -A netencode-tests --arg testFiles '"test_integration.py"' # Run specific file
- nix-build -A netencode-tests --arg pytestArgs '"-k json_to_netencode"' # Run tests matching pattern
'';
};
};
netencode = pkgs.symlinkJoin {
name = "netencode";
paths = [
pretty
netencode-mustache
netencode-record-get
netencode-to-env
env-to-netencode
json-to-netencode
netencode-filter
netencode-plain
netencode-man
];
meta = {
description = "Length-prefixed, type-safe data serialization format and CLI tools";
longDescription = ''
Netencode is a data serialization format inspired by bencode and netstring.
It provides type-safe, length-prefixed encoding that is both human-readable
for debugging and machine-efficient for parsing.
This package includes all CLI tools for working with netencode data:
processing, filtering, converting, and debugging structured data in Unix pipelines.
'';
homepage = "https://github.com/Profpatsch/netencode";
license = pkgs.lib.licenses.mit;
};
};
# Nix generator tests - evaluated directly during nix evaluation
netencode-nix-tests = import ./lib-nix/test-gen.nix { inherit (pkgs) lib; };
# Haskell generator tests
netencode-haskell-tests = pkgs.haskellPackages.mkDerivation {
pname = "netencode-haskell-tests";
version = "0.1.0";
src = exact-source ./lib-haskell [
./lib-haskell/netencode.cabal
./lib-haskell/Netencode.hs
./lib-haskell/Netencode/Parse.hs
./lib-haskell/test/GeneratorSpec.hs
];
libraryHaskellDepends = [
my-prelude
pkgs.haskellPackages.hedgehog
pkgs.haskellPackages.nonempty-containers
pkgs.haskellPackages.deriving-compat
pkgs.haskellPackages.data-fix
pkgs.haskellPackages.bytestring
pkgs.haskellPackages.attoparsec
pkgs.haskellPackages.pa-label
pkgs.haskellPackages.pa-error-tree
];
testHaskellDepends = [
my-prelude
pkgs.haskellPackages.bytestring
pkgs.haskellPackages.text
pkgs.haskellPackages.hspec
pkgs.haskellPackages.nonempty-containers
];
doCheck = true;
isLibrary = true;
license = lib.licenses.mit;
};
# Rust generator tests
netencode-rust-tests = rust-writers.rustSimple
{
name = "netencode-rust-tests";
dependencies = [
netencode-rs
rust-crates.indexmap
];
} ''
extern crate netencode;
extern crate indexmap;
use netencode::T;
#[test]
fn test_record_alphabetical_sort() {
let record = T::record(vec![("b", T::text("2")), ("a", T::text("1"))]);
let encoded = record.encode();
let expected = b"{20:<1:a|t1:1,<1:b|t1:2,}"; // Correct alphabetical order
assert_eq!(encoded, expected);
}
#[test]
fn test_basic_generators() {
assert_eq!(T::unit().encode(), b"u,");
assert_eq!(T::natural(42).encode(), b"n:42,");
assert_eq!(T::integer(-42).encode(), b"i:-42,");
assert_eq!(T::boolean(true).encode(), b"<4:true|u,");
assert_eq!(T::boolean(false).encode(), b"<5:false|u,");
assert_eq!(T::text("hello").encode(), b"t5:hello,");
assert_eq!(T::binary(b"data").encode(), b"b4:data,");
}
fn main() {
// This is a test binary - tests run automatically
}
'';
# Combined test suite for all language generators
test-all-generators = pkgs.stdenv.mkDerivation {
name = "test-all-generators";
# No source needed - this is a test aggregator
unpackPhase = "true";
buildInputs = [
netencode-python-tests # Python generator tests
netencode-haskell-tests
netencode-rust-tests
];
buildPhase = ''
echo "Running cross-language generator tests..."
echo "Python tests: ${netencode-python-tests}"
echo "Nix tests: ${if netencode-nix-tests.success then "PASSED" else "FAILED"} (${toString (builtins.length (builtins.attrNames netencode-nix-tests.tests))} tests)"
echo "Haskell tests: ${netencode-haskell-tests}"
echo "Rust tests: ${netencode-rust-tests}"
echo "All generator tests completed successfully!"
'';
installPhase = ''
mkdir -p $out
echo "All language generator tests passed" > $out/test-results.txt
echo "Test components:" >> $out/test-results.txt
echo "- Python: ${netencode-python-tests}" >> $out/test-results.txt
echo "- Nix: ${if netencode-nix-tests.success then "PASSED" else "FAILED"}" >> $out/test-results.txt
echo "- Haskell: ${netencode-haskell-tests}" >> $out/test-results.txt
echo "- Rust: ${netencode-rust-tests}" >> $out/test-results.txt
'';
meta = {
description = "Cross-language generator test suite for netencode";
longDescription = ''
Runs the unified generator test specification across all language implementations:
Python, Nix, Haskell, and Rust. Ensures consistent netencode generation
and validates the same test cases in each language.
'';
};
};
# Python generator tests
netencode-python-tests = pkgs.stdenv.mkDerivation {
name = "netencode-python-tests";
src = exact-source ./. [
./lib-python/netencode.py
./lib-python/test_generator_spec.py
];
nativeBuildInputs = with pkgs; [ (python3.withPackages (ps: with ps; [ pytest ])) ];
buildInputs = [];
buildPhase = ''
cd lib-python
python -m pytest test_generator_spec.py
'';
installPhase = ''
mkdir -p $out
echo "Python generator tests passed" > $out/test-results.txt
'';
meta = {
description = "Test suite for netencode Python generators";
};
};
# REPL Apps for different languages
python-repl = let
pythonWithNetencode = pkgs.python3.withPackages (ps: [
ps.ipython
]);
startupScript = pkgs.writeText "netencode_startup.py" ''
import sys
sys.path.insert(0, '${netencodeSourceDir}/lib-python')
import netencode as ne
print("🐍 Python REPL with netencode pre-imported as 'ne'")
print("Try: ne.text('hello'), ne.record([('key', ne.text('value'))])")
'';
in pkgs.writeShellScript "netencode-python" ''
export PYTHONSTARTUP="${startupScript}"
exec ${pythonWithNetencode}/bin/ipython
'';
haskell-repl = let
ghciWithNetencode = pkgs.haskellPackages.ghcWithHoogle (h: [
netencode-hs
h.nonempty-containers
]);
ghciScript = pkgs.writeText "netencode.ghci" ''
:set -XOverloadedStrings
import Netencode
import Data.Map.NonEmpty (fromList)
putStrLn "🎩 Haskell REPL with Netencode module loaded"
putStrLn "Try: text \"hello\", record (fromList [(\"key\", text \"value\")])"
putStrLn "Available: unit, natural, integer, boolean, text, binary, tag, record, list"
'';
in pkgs.writeShellScript "netencode-haskell" ''
exec ${ghciWithNetencode}/bin/ghci -ghci-script ${ghciScript}
'';
rust-workspace = pkgs.writers.writePython3 "netencode-rust" {
flakeIgnore = [ "E501" "W291" "W293" "E305" "E128" "E265" "E302" "F541" ]; # ignore formatting issues
} ''
#!/usr/bin/env python3
import os
import sys
import argparse
import subprocess
from pathlib import Path
def run_gum(command, *args):
"""Run gum command and return result"""
cmd = ["${pkgs.gum}/bin/gum", command] + list(args)
if command == "confirm":
# For confirm, just check return code
result = subprocess.run(cmd)
return result.returncode == 0
elif command == "input":
# For input, we need to preserve TTY for the prompt but capture output
try:
with open("/dev/tty", "r") as tty_in, open("/dev/tty", "w") as tty_err:
result = subprocess.run(cmd, stdin=tty_in, stderr=tty_err, stdout=subprocess.PIPE, text=True)
if result.returncode != 0:
# User cancelled (Ctrl+C or ESC)
print("\nCancelled. Thanks for considering netencode! 👋")
sys.exit(0)
return result.stdout.strip()
except KeyboardInterrupt:
print("\nCancelled. Thanks for considering netencode! 👋")
sys.exit(0)
else:
return subprocess.run(cmd)
def enter_existing_workspace(workspace_name, args):
"""Enter an existing workspace"""
print()
print("✅ Using existing workspace!")
print(f"📁 Location: {Path(workspace_name).absolute()}")
print()
print("Available commands:")
print(" cargo run --example basic")
print(" cargo run --example advanced")
print(" cargo run --example playground")
print()
if not args.no_cd:
if args.yes or run_gum("confirm", "Change to workspace directory now?"):
os.chdir(workspace_name)
os.execv("${pkgs.bashInteractive}/bin/bash", ["bash"])
sys.exit(0)
def main():
parser = argparse.ArgumentParser(description="Netencode Rust Workspace Creator")
parser.add_argument("--yes", action="store_true", help="Accept all prompts automatically")
parser.add_argument("--name", help="Set workspace directory name")
parser.add_argument("--no-cd", action="store_true", help="Don't offer to change directory")
args = parser.parse_args()
rust_src = "${netencodeSourceDir}/lib-rust"
print("🦀 Netencode Rust Workspace Creator")
print("This will create a temporary Rust workspace where you can experiment with netencode.")
print()
# Check if default workspace exists immediately
default_workspace = Path("netencode-playground")
if not args.name and default_workspace.exists() and any(default_workspace.iterdir()):
print("📁 Directory 'netencode-playground' already exists with content!")
if args.yes:
print("Auto-accept mode: entering existing workspace.")
enter_existing_workspace("netencode-playground", args)
else:
if run_gum("confirm", "Enter existing workspace?"):
enter_existing_workspace("netencode-playground", args)
print()
# Get workspace name
if args.name:
workspace_name = args.name
elif args.yes:
workspace_name = "netencode-playground"
else:
while True:
workspace_name = run_gum("input", "--placeholder", "netencode-playground",
"--prompt", "Workspace directory name: ")
if not workspace_name:
workspace_name = "netencode-playground"
workspace_path = Path(workspace_name)
if workspace_path.exists() and any(workspace_path.iterdir()):
print()
print(f"📁 Directory '{workspace_name}' already exists with content!")
if not run_gum("confirm", "Enter existing workspace?"):
print("Please choose a different workspace name.")
continue
enter_existing_workspace(workspace_name, args)
break
print(f"Using workspace directory: {workspace_name}")
# Check if directory exists (for --name flag)
workspace_path = Path(workspace_name)
if args.name and workspace_path.exists() and any(workspace_path.iterdir()):
print()
print(f"📁 Directory '{workspace_name}' already exists with content!")
if args.yes or run_gum("confirm", "Enter existing workspace?"):
enter_existing_workspace(workspace_name, args)
else:
print("Please choose a different workspace name.")
sys.exit(1)
elif workspace_path.exists():
print(f"Using existing empty directory: {workspace_name}")
else:
print(f"Creating new directory: {workspace_name}")
print()
print("Setting up workspace...")
# Create workspace structure
workspace_path.mkdir(parents=True, exist_ok=True)
(workspace_path / "src").mkdir(exist_ok=True)
(workspace_path / "examples").mkdir(exist_ok=True)
# Copy files from Nix store without preserving read-only permissions
subprocess.run(
f"${pkgs.coreutils}/bin/cp --no-preserve=mode -r {rust_src}/src/* {workspace_path}/src/",
shell=True, check=True)
subprocess.run(
f"${pkgs.coreutils}/bin/cp --no-preserve=mode {rust_src}/workspace-template/Cargo.toml {rust_src}/workspace-template/README.md {workspace_path}/",
shell=True, check=True)
subprocess.run(
f"${pkgs.coreutils}/bin/cp --no-preserve=mode {rust_src}/examples/*.rs {workspace_path}/examples/",
shell=True, check=True)
subprocess.run(
f"${pkgs.coreutils}/bin/cp --no-preserve=mode -r {rust_src}/exec-helpers {workspace_path}/",
shell=True, check=True)
print()
print("✅ Workspace created successfully!")
print(f"📁 Location: {workspace_path.absolute()}")
print()
print("Next steps:")
print(f" cd {workspace_name}")
print(" cargo run --example basic")
print(" cargo run --example advanced")
print(" cargo run --example playground")
print()
print("Edit examples/playground.rs to experiment!")
# Offer to change directory
print()
if not args.no_cd and not args.yes:
if run_gum("confirm", "Change to workspace directory now?"):
os.chdir(workspace_name)
os.execv("${pkgs.bashInteractive}/bin/bash", ["bash"])
if __name__ == "__main__":
main()
'';
nix-repl = pkgs.writeShellScript "netencode-nix" ''
echo "❄️ Nix REPL with netencode generators in scope"
echo "Try: text \"hello\", record [{key=\"name\"; val=text \"Alice\";}]"
echo "Available: unit, natural, integer, boolean, text, binary, tag, record, list"
cd ${netencodeSourceDir}
exec ${pkgs.nix}/bin/nix repl --expr 'let ne = import ./lib-nix/gen.nix { lib = (import <nixpkgs> {}).lib; }; in ne // { pkgs = import <nixpkgs> {}; }'
'';
in
{
inherit
netencode
netencode-tests
netencode-python-tests
netencode-nix-tests
netencode-haskell-tests
netencode-rust-tests
test-all-generators
netencode-rs
netencode-hs
pretty-rs
pretty
netencode-mustache
netencode-record-get
netencode-to-env
env-to-netencode
json-to-netencode
netencode-filter
netencode-plain
netencode-man
gen
python-repl
haskell-repl
rust-workspace
nix-repl
;
}
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