add tracing

This commit is contained in:
Qyriad 2026-02-02 17:43:44 +01:00
parent 9ae0630db4
commit a06790a2af
7 changed files with 413 additions and 17 deletions

380
Cargo.lock generated
View file

@ -2,6 +2,15 @@
# It is not intended for manual editing.
version = 4
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@ -152,6 +161,9 @@ dependencies = [
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]
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@ -242,6 +323,15 @@ dependencies = [
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@ -528,6 +839,23 @@ dependencies = [
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@ -537,6 +865,54 @@ dependencies = [
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View file

@ -20,3 +20,6 @@ libc = { version = "0.2.180", features = ["extra_traits"] }
serde = { version = "1.0.228", features = ["derive"] }
serde_json = "1.0.149"
tap = "1.0.1"
tracing = { version = "0.1.44", features = ["attributes"] }
tracing-human-layer = "0.2.1"
tracing-subscriber = { version = "0.3.22", default-features = false, features = ["std", "env-filter", "fmt", "ansi", "registry", "parking_lot"] }

View file

@ -57,18 +57,20 @@ pub struct AppendCmd {
}
#[derive(Debug, Clone, PartialEq, clap::Subcommand)]
#[command(flatten_help = true)]
pub enum Subcommand {
Append(AppendCmd),
}
#[derive(Debug, Clone, PartialEq, clap::Parser)]
#[command(version, about, author, arg_required_else_help(true))]
#[command(version, about, author)]
#[command(arg_required_else_help(true), args_override_self(true))]
#[command(propagate_version = true)]
pub struct Args {
#[arg(long, default_value = "auto")]
#[arg(long, global(true), default_value = "auto")]
pub color: ColorChoice,
#[arg(long)]
#[arg(long, global(true), default_value = "./configuration.nix")]
pub file: Arc<OsStr>,
#[command(subcommand)]

View file

@ -6,10 +6,14 @@ use std::{
#[allow(unused_imports)]
use crate::prelude::*;
pub static CLI_ENABLE_COLOR: OnceLock<bool> = OnceLock::new();
/// The actual, final value for whether color should be used, based on CLI and environment values.
pub static SHOULD_COLOR: LazyLock<bool> = LazyLock::new(|| is_clicolor_forced() || is_color_reqd());
/// Initialized from the `--color` value from the CLI, along with `io::stdin().is_terminal()`.
pub static _CLI_ENABLE_COLOR: OnceLock<bool> = OnceLock::new();
fn is_color_reqd() -> bool {
CLI_ENABLE_COLOR.get().copied().unwrap_or(false)
_CLI_ENABLE_COLOR.get().copied().unwrap_or(false)
}
fn is_clicolor_forced() -> bool {
@ -24,8 +28,6 @@ fn is_clicolor_forced() -> bool {
.unwrap_or(false)
}
pub static SHOULD_COLOR: LazyLock<bool> = LazyLock::new(|| is_clicolor_forced() || is_color_reqd());
/// Silly wrapper around LazyLock<&'static str> to impl Display.
pub(crate) struct _LazyLockDisplay(LazyLock<&'static str>);
impl Display for _LazyLockDisplay {
@ -47,8 +49,5 @@ pub(crate) const ANSI_CYAN: _LazyLockDisplay = _LazyLockDisplay(LazyLock::new(||
}));
pub(crate) const ANSI_RESET: _LazyLockDisplay = _LazyLockDisplay(LazyLock::new(|| {
SHOULD_COLOR
// C'mon rustfmt, just format it to match ^.
.then_some("\x1b[0m")
.unwrap_or_default()
SHOULD_COLOR.then_some("\x1b[0m").unwrap_or_default()
}));

View file

@ -27,6 +27,8 @@ pub(crate) mod prelude {
pub use fs_err::os::unix::fs::{FileExt, OpenOptionsExt};
pub use tap::{Pipe, Tap};
pub use tracing::{Level, debug, error, info, trace, warn};
}
use prelude::*;
@ -34,7 +36,7 @@ use prelude::*;
pub mod args;
pub use args::{AppendCmd, Args};
mod color;
pub use color::{CLI_ENABLE_COLOR, SHOULD_COLOR};
pub use color::{_CLI_ENABLE_COLOR, SHOULD_COLOR};
pub mod line;
mod nixcmd;
pub use line::Line;
@ -47,6 +49,7 @@ use crate::source::SourceFile;
pub const ASCII_WHITESPACE: &[char] = &['\t', '\n', '\x0C', '\r', ' '];
#[tracing::instrument(level = "debug")]
pub fn do_append(args: Arc<Args>, append_args: AppendCmd) -> Result<(), BoxDynError> {
let filepath = Path::new(&args.file);
let filepath: PathBuf = if filepath.is_relative() && !filepath.starts_with("./") {

View file

@ -3,13 +3,14 @@ use std::process::ExitCode;
use std::{error::Error as StdError, sync::Arc};
use clap::{ColorChoice, Parser as _};
use tracing_human_layer::HumanLayer;
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{EnvFilter, layer::SubscriberExt};
fn main_wrapped() -> Result<(), Box<dyn StdError + Send + Sync + 'static>> {
let args = Arc::new(dynix::Args::parse());
dbg!(&args);
let success = dynix::CLI_ENABLE_COLOR.set(match args.color {
let success = dynix::_CLI_ENABLE_COLOR.set(match args.color {
ColorChoice::Always => true,
ColorChoice::Auto => io::stdin().is_terminal(),
ColorChoice::Never => false,
@ -18,6 +19,13 @@ fn main_wrapped() -> Result<(), Box<dyn StdError + Send + Sync + 'static>> {
success.expect("logic error in CLI_ENABLE_COLOR");
}
tracing_subscriber::registry()
.with(HumanLayer::new().with_color_output(*dynix::SHOULD_COLOR))
.with(EnvFilter::from_default_env())
.init();
tracing::debug!("Parsed command-line arguments: {args:?}");
use dynix::args::Subcommand::*;
match &args.subcommand {
Append(append_args) => dynix::do_append(args.clone(), append_args.clone())?,

View file

@ -102,6 +102,11 @@ pub struct SourceFile {
impl SourceFile {
/// Panics if `path` is a directory path instead of a file path.
pub fn open_from(path: Arc<Path>, options: OpenOptions) -> Result<Self, IoError> {
trace!(
"SourceFile::open_from(path={:?}, options={:?})",
path,
options.options(),
);
assert!(path.file_name().is_some());
let file = Arc::new(Mutex::new(options.open(&*path)?));