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|
{ depot, pkgs, lib, ... }:
let
netencode-rs = depot.nix.writers.rustSimpleLib
{
name = "netencode";
dependencies = [
depot.third_party.rust-crates.nom
depot.users.Profpatsch.execline.exec-helpers
];
}
(builtins.readFile ./netencode.rs);
gen = import ./gen.nix { inherit lib; };
pretty-rs = depot.nix.writers.rustSimpleLib
{
name = "netencode-pretty";
dependencies = [
netencode-rs
];
}
(builtins.readFile ./pretty.rs);
pretty = depot.nix.writers.rustSimple
{
name = "netencode-pretty";
dependencies = [
netencode-rs
pretty-rs
depot.users.Profpatsch.execline.exec-helpers
];
} ''
extern crate netencode;
extern crate netencode_pretty;
extern crate exec_helpers;
fn main() {
let (_, prog) = exec_helpers::args_for_exec("netencode-pretty", 0);
let mut buf = vec![];
let u = netencode::u_from_stdin_or_die_user_error("netencode-pretty", &mut buf);
match netencode_pretty::Pretty::from_u(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 = depot.nix.writers.rustSimple
{
name = "netencode_mustache";
dependencies = [
depot.users.Profpatsch.arglib.netencode.rust
netencode-rs
depot.third_party.rust-crates.mustache
];
}
(builtins.readFile ./netencode-mustache.rs);
record-get = depot.nix.writers.rustSimple
{
name = "record-get";
dependencies = [
netencode-rs
depot.users.Profpatsch.execline.exec-helpers
depot.users.Profpatsch.arglib.netencode.rust
];
} ''
extern crate netencode;
extern crate arglib_netencode;
extern crate exec_helpers;
use netencode::{encode, dec};
use netencode::dec::{Decoder, DecodeError};
fn main() {
let mut buf = vec![];
let args = exec_helpers::args("record-get", 1);
let field = match std::str::from_utf8(&args[0]) {
Ok(f) => f,
Err(_e) => exec_helpers::die_user_error("record-get", format!("The field name needs to be valid unicode"))
};
let u = netencode::u_from_stdin_or_die_user_error("record-get", &mut buf);
match (dec::RecordDot {field, inner: dec::AnyU }).dec(u) {
Ok(u) => encode(&mut std::io::stdout(), &u).expect("encoding to stdout failed"),
Err(DecodeError(err)) => exec_helpers::die_user_error("record-get", err)
}
}
'';
record-splice-env = depot.nix.writers.rustSimple
{
name = "record-splice-env";
dependencies = [
netencode-rs
depot.users.Profpatsch.execline.exec-helpers
];
} ''
extern crate netencode;
extern crate exec_helpers;
use netencode::dec::{Record, Try, ScalarAsBytes, Decoder, DecodeError};
fn main() {
let mut buf = vec![];
let u = netencode::u_from_stdin_or_die_user_error("record-splice-env", &mut buf);
let (_, prog) = exec_helpers::args_for_exec("record-splice-env", 0);
match Record(Try(ScalarAsBytes)).dec(u) {
Ok(map) => {
exec_helpers::exec_into_args(
"record-splice-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("record-splice-env", err),
}
}
'';
env-splice-record = depot.nix.writers.rustSimple
{
name = "env-splice-record";
dependencies = [
netencode-rs
depot.users.Profpatsch.execline.exec-helpers
];
} ''
extern crate netencode;
extern crate exec_helpers;
use netencode::{T};
use std::os::unix::ffi::OsStringExt;
fn main() {
exec_helpers::no_args("env-splice-record");
let mut res = std::collections::HashMap::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()
}
'';
in
depot.nix.readTree.drvTargets {
inherit
netencode-rs
pretty-rs
pretty
netencode-mustache
record-get
record-splice-env
env-splice-record
gen
;
}
|
