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//
// Copyright (c) 2020-2021 science+computing ag and other contributors
//
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
use std::io::Write;
use std::fmt::Display;
use std::path::Path;
use anyhow::Context;
use anyhow::Error;
use anyhow::Result;
use anyhow::anyhow;
use clap::ArgMatches;
use itertools::Itertools;
use log::{error, info, trace};
use regex::Regex;
use tokio_stream::StreamExt;
use crate::config::*;
use crate::package::Package;
use crate::package::PhaseName;
use crate::package::ScriptBuilder;
use crate::package::Shebang;
/// Helper for getting a boolean value by name form the argument object
pub fn getbool(m: &ArgMatches, name: &str, cmp: &str) -> bool {
// unwrap is safe here because clap is configured with default values
m.values_of(name).unwrap().any(|v| v == cmp)
}
/// Helper function to lint all packages in an interator
pub async fn lint_packages<'a, I>(
iter: I,
linter: &Path,
config: &Configuration,
bar: indicatif::ProgressBar,
) -> Result<()>
where
I: Iterator<Item = &'a Package> + 'a,
{
let shebang = Shebang::from(config.shebang().clone());
let lint_results = iter
.map(|pkg| {
let shebang = shebang.clone();
let bar = bar.clone();
async move {
trace!("Linting script of {} {} with '{}'", pkg.name(), pkg.version(), linter.display());
let _ = all_phases_available(pkg, config.available_phases())?;
let cmd = tokio::process::Command::new(linter);
let script = ScriptBuilder::new(&shebang)
.build(pkg, config.available_phases(), *config.strict_script_interpolation())?;
let (status, stdout, stderr) = script.lint(cmd).await?;
bar.inc(1);
Ok((pkg.name().clone(), pkg.version().clone(), status, stdout, stderr))
}
})
.collect::<futures::stream::FuturesUnordered<_>>()
.collect::<Result<Vec<_>>>()
.await?
.into_iter()
.map(|tpl| {
let pkg_name = tpl.0;
let pkg_vers = tpl.1;
let status = tpl.2;
let stdout = tpl.3;
let stderr = tpl.4;
if status.success() {
info!("Linting {pkg_name} {pkg_vers} script ({status}):\nstdout:\n{stdout}\n\nstderr:\n\n{stderr}",
pkg_name = pkg_name,
pkg_vers = pkg_vers,
status = status,
stdout = stdout,
stderr = stderr
);
true
} else {
error!("Linting {pkg_name} {pkg_vers} errored ({status}):\n\nstdout:\n{stdout}\n\nstderr:\n{stderr}\n\n",
pkg_name = pkg_name,
pkg_vers = pkg_vers,
status = status,
stdout = stdout,
stderr = stderr
);
false
}
})
.collect::<Vec<_>>();
let lint_ok = lint_results.iter().all(|b| *b);
if !lint_ok {
bar.finish_with_message("Linting errored");
return Err(anyhow!("Linting was not successful"));
} else {
bar.finish_with_message(&format!(
"Finished linting {} package scripts",
lint_results.len()
));
Ok(())
}
}
fn all_phases_available(pkg: &Package, available_phases: &[PhaseName]) -> Result<()> {
let package_phasenames = pkg.phases().keys().collect::<Vec<_>>();
if let Some(phase) = package_phasenames
.iter()
.find(|name| !available_phases.contains(name))
{
return Err(anyhow!(
"Phase '{}' available in {} {}, but not in config",
phase.as_str(),
pkg.name(),
pkg.version()
));
}
if let Some(phase) = available_phases
.iter()
.find(|name| !package_phasenames.contains(name))
{
return Err(anyhow!(
"Phase '{}' not configured in {} {}",
phase.as_str(),
pkg.name(),
pkg.version()
));
}
Ok(())
}
pub fn mk_package_name_regex(regex: &str) -> Result<Regex> {
let mut builder = regex::RegexBuilder::new(regex);
#[allow(clippy::identity_op)]
builder.size_limit(1 * 1024 * 1024); // max size for the regex is 1MB. Should be enough for everyone
builder
.build()
.with_context(|| anyhow!("Failed to build regex from '{}'", regex))
.map_err(Error::from)
}
pub fn mk_header(vec: Vec<&str>) -> Vec<ascii_table::Column> {
vec.into_iter()
.map(|name| ascii_table::Column {
header: name.into(),
align: ascii_table::Align::Left,
..Default::default()
})
.collect()
}
/// Display the passed data as nice ascii table,
/// or, if stdout is a pipe, print it nicely parseable
pub fn display_data<D: Display>(
headers: Vec<ascii_table::Column>,
data: Vec<Vec<D>>,
csv: bool,
) -> Result<()> {
if csv {
use csv::WriterBuilder;
let mut wtr = WriterBuilder::new().from_writer(vec![]);
for record in data.into_iter() {
let r: Vec<String> = record.into_iter().map(|e| e.to_string()).collect();
wtr.write_record(&r)?;
}
let out = std::io::stdout();
let mut lock = out.lock();
wtr.into_inner()
.map_err(Error::from)
.and_then(|t| String::from_utf8(t).map_err(Error::from))
.and_then(|text| writeln!(lock, "{}", text).map_err(Error::from))
} else if atty::is(atty::Stream::Stdout) {
let mut ascii_table = ascii_table::AsciiTable {
columns: Default::default(),
max_width: terminal_size::terminal_size()
.map(|tpl| tpl.0 .0 as usize) // an ugly interface indeed!
.unwrap_or(80),
};
headers.into_iter().enumerate().for_each(|(i, c)| {
ascii_table.columns.insert(i, c);
});
ascii_table.print(data);
Ok(())
} else {
let out = std::io::stdout();
let mut lock = out.lock();
for list in data {
writeln!(lock, "{}", list.iter().map(|d| d.to_string()).join(" "))?;
}
Ok(())
}
}
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