hooked/hooked-cli/source/cli/run.rs

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//! The `run` subcommand.
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use std::{io::Read, process::exit};
use {
color_eyre::{eyre::eyre, Result},
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globset::{Glob, GlobSetBuilder},
hooked_config::{Config, ExitAction},
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owo_colors::{OwoColorize, Style},
subprocess::{Exec, Redirection},
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supports_color::Stream,
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};
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use crate::utilities::plural;
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/// The `run` subcommand.
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pub fn hooked_run(config: Config, hook_type: String) -> Result<()> {
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let (success_style, warn_style, error_style, skipped_style) =
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if let Some(_support) = supports_color::on(Stream::Stdout) {
let shared_style = Style::new().bold();
(
shared_style.green(),
shared_style.yellow(),
shared_style.red(),
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shared_style.blue(),
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)
} else {
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(Style::new(), Style::new(), Style::new(), Style::new())
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};
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if hook_type == "pre-commit" {
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let hook_count = config.pre_commit.len();
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println!(
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"Hooked: Running {} pre-commit {}.",
hook_count,
plural(hook_count, "hook", None)
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);
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'hook_loop: for hook in config.pre_commit {
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let hook_name = hook.name.unwrap_or_else(|| "Unnamed Hook".to_string());
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if !hook.git_staged.is_empty() {
let globs = {
let mut builder = GlobSetBuilder::new();
for glob in hook.git_staged {
builder.add(Glob::new(&glob)?);
}
builder.build()?
};
let staged_files = Exec::cmd("git")
.args(&["diff", "--name-only", "--cached"])
.capture()?
.stdout_str();
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if !staged_files.lines().any(|line| globs.is_match(line)) {
println!(
"\t{} {}",
"".style(skipped_style),
hook_name.style(skipped_style)
);
continue 'hook_loop;
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}
}
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let command = match (hook.task.command, hook.task.script) {
(Some(command), _) => Ok(Exec::shell(command)),
(None, Some(script_file)) => {
let script_path = config.general.directory.join(script_file);
let script_path_str = script_path
.to_str()
.ok_or_else(|| eyre!("Failed to convert path to str"))?;
Ok(Exec::shell(script_path_str))
}
(None, None) => Err(eyre!(
"No command or script provided for hook: {}",
hook_name
)),
}?;
let mut process = command
.stderr(Redirection::Merge)
.stdout(Redirection::Pipe)
.popen()?;
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let exit_status = process.wait()?;
let output = {
let mut output = String::new();
let mut stdout_file = process.stdout.take().unwrap();
stdout_file.read_to_string(&mut output)?;
output
};
let (stop, print_output, prefix, style) =
match (exit_status.success(), hook.on_failure) {
(true, _) => (false, false, "", success_style),
(false, ExitAction::Continue) => (false, true, "", warn_style),
(false, ExitAction::Stop) => (true, true, "", error_style),
};
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println!("\t{} {}", prefix.style(style), hook_name.style(style));
if !output.is_empty() && print_output {
println!("{}", output);
}
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if stop {
exit(1);
}
}
}
Ok(())
}