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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
//
//! Implementation of the 'what_depends' subcommand
use std::io::Write;
use anyhow::Result;
use clap::ArgMatches;
use futures::stream::StreamExt;
use futures::stream::TryStreamExt;
use log::trace;
use resiter::Filter;
use resiter::Map;
use crate::commands::util::getbool;
use crate::config::*;
use crate::package::PackageName;
use crate::repository::Repository;
use crate::ui::*;
/// Implementation of the "what_depends" subcommand
pub async fn what_depends(
matches: &ArgMatches,
config: &Configuration,
repo: Repository,
) -> Result<()> {
use filters::failable::filter::FailableFilter;
let print_runtime_deps = getbool(
matches,
"dependency_type",
crate::cli::IDENT_DEPENDENCY_TYPE_RUNTIME,
);
let print_build_deps = getbool(
matches,
"dependency_type",
crate::cli::IDENT_DEPENDENCY_TYPE_BUILD,
);
let package_filter = {
let name = matches
.value_of("package_name")
.map(String::from)
.map(PackageName::from)
.unwrap();
crate::util::filters::build_package_filter_by_dependency_name(
&name,
print_build_deps,
print_runtime_deps,
)
};
let hb = crate::ui::handlebars_for_package_printing(config.package_print_format())?;
let stdout = std::io::stdout();
let mut outlock = stdout.lock();
let flags = crate::ui::PackagePrintFlags {
print_all: false,
print_runtime_deps,
print_build_deps,
print_sources: false,
print_dependencies: true,
print_patches: false,
print_env: false,
print_flags: false,
print_allowed_images: false,
print_denied_images: false,
print_phases: false,
print_script: false,
script_line_numbers: false,
script_highlighting: false,
};
let mut i = 0;
let iter = repo
.packages()
.map(|package| package_filter.filter(package).map(|b| (b, package)))
.filter_ok(|(b, _)| *b)
.map_ok(|tpl| tpl.1)
.inspect(|pkg| trace!("Found package: {:?}", pkg))
.map_ok(|p| { // poor mans enumerate_ok()
i += 1;
p.prepare_print(config, &flags, &hb, i)
});
tokio_stream::iter(iter)
.map(|pp| pp.and_then(|p| p.into_displayable()))
.try_for_each(|p| {
let r = writeln!(&mut outlock, "{}", p).map_err(anyhow::Error::from);
futures::future::ready(r)
})
.await
}
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