mirror of
https://github.com/eyre-rs/eyre.git
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9e6a349c8e
* port color-eyre to new eyre with global hook * add a singular hook configuration * add panic handler to globally installed hook * getting near the end * remove unused module * temp: working on capture consistency * walk back changes that make porting to new release harder * merge main into hooked * switch to github color-spantrace and copy from htmlgit status * move spantrace capture default mode into hook * rename and reorg section stuff * switch to released deps * copy changes from lib.rs to readme * update snippets and revert to images for readme * remove extremely fragile format tests
69 lines
1.8 KiB
Rust
69 lines
1.8 KiB
Rust
use color_eyre::{
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eyre::Report,
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eyre::{eyre, WrapErr},
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Section, SectionExt,
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};
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use std::process::Command;
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use tracing::instrument;
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trait Output {
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fn output2(&mut self) -> Result<String, Report>;
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}
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impl Output for Command {
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#[instrument]
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fn output2(&mut self) -> Result<String, Report> {
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let output = self.output()?;
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let stdout = String::from_utf8_lossy(&output.stdout);
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if !output.status.success() {
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let stderr = String::from_utf8_lossy(&output.stderr);
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Err(eyre!("cmd exited with non-zero status code"))
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.with_section(move || stdout.trim().to_string().header("Stdout:"))
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.with_section(move || stderr.trim().to_string().header("Stderr:"))
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} else {
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Ok(stdout.into())
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}
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}
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}
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#[instrument]
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fn main() -> Result<(), Report> {
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#[cfg(feature = "capture-spantrace")]
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install_tracing();
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color_eyre::install()?;
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Ok(read_config().map(drop)?)
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}
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#[cfg(feature = "capture-spantrace")]
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fn install_tracing() {
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use tracing_error::ErrorLayer;
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use tracing_subscriber::prelude::*;
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use tracing_subscriber::{fmt, EnvFilter};
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let fmt_layer = fmt::layer().with_target(false);
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let filter_layer = EnvFilter::try_from_default_env()
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.or_else(|_| EnvFilter::try_new("info"))
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.unwrap();
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tracing_subscriber::registry()
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.with(filter_layer)
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.with(fmt_layer)
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.with(ErrorLayer::default())
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.init();
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}
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#[instrument]
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fn read_file(path: &str) -> Result<String, Report> {
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Command::new("cat").arg(path).output2()
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}
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#[instrument]
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fn read_config() -> Result<String, Report> {
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read_file("fake_file")
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.wrap_err("Unable to read config")
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.suggestion("try using a file that exists next time")
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}
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