Files
pacdef_rust/crates/pacdef/src/backend/actual/fedora.rs
T

144 lines
4.0 KiB
Rust

use std::process::Command;
use anyhow::Result;
use crate::cmd::run_external_command;
use crate::prelude::*;
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct Fedora {}
impl Fedora {
pub fn new() -> Self {
Self {}
}
}
impl Default for Fedora {
fn default() -> Self {
Self::new()
}
}
/// These repositories are ignored when storing the packages
/// as these are present by default on any sane fedora system
const DEFAULT_REPOS: [&str; 5] = ["koji", "fedora", "updates", "anaconda", "@"];
/// These switches are responsible for
/// getting the packages explicitly installed by the user
const SWITCHES_FETCH_USER: Switches = &[
"repoquery",
"--userinstalled",
"--queryformat",
"%{from_repo}/%{name}",
];
/// These switches are responsible for
/// getting all the packages installed on the system
const SWITCHES_FETCH_GLOBAL: Switches = &[
"repoquery",
"--installed",
"--queryformat",
"%{from_repo}/%{name}",
];
impl Backend for Fedora {
fn backend_info(&self) -> BackendInfo {
BackendInfo {
binary: "dnf".to_string(),
section: "fedora",
switches_info: &["info"],
switches_install: &["install"],
switches_noconfirm: &["--assumeyes"],
switches_remove: &["remove"],
switches_make_dependency: None,
}
}
fn get_all_installed_packages(&self) -> Result<Packages> {
let mut cmd = Command::new(self.backend_info().binary);
cmd.args(SWITCHES_FETCH_GLOBAL);
let output = String::from_utf8(cmd.output()?.stdout)?;
let packages = output.lines().map(create_package).collect();
Ok(packages)
}
fn get_explicitly_installed_packages(&self) -> Result<Packages> {
let mut cmd = Command::new(self.backend_info().binary);
cmd.args(SWITCHES_FETCH_USER);
let output = String::from_utf8(cmd.output()?.stdout)?;
let packages = output.lines().map(create_package).collect();
Ok(packages)
}
/// Install the specified packages.
fn install_packages(&self, packages: &Packages, noconfirm: bool) -> Result<()> {
let backend_info = self.backend_info();
let mut cmd = Command::new("sudo");
cmd.arg(backend_info.binary);
cmd.args(backend_info.switches_install);
if noconfirm {
cmd.args(backend_info.switches_noconfirm);
}
for p in packages {
cmd.arg(&p.name);
if let Some(repo) = p.repo.as_ref() {
cmd.args(["--repo", repo]);
}
}
// add these two repositories as these are needed for many dependencies
cmd.args(["--repo", "updates"]);
cmd.args(["--repo", "fedora"]);
run_external_command(cmd)
}
/// Show information from package manager for package.
fn remove_packages(&self, packages: &Packages, noconfirm: bool) -> Result<()> {
let backend_info = self.backend_info();
let mut cmd = Command::new("sudo");
cmd.arg(backend_info.binary);
cmd.args(backend_info.switches_remove);
if noconfirm {
cmd.args(backend_info.switches_noconfirm);
}
for p in packages {
cmd.arg(&p.name);
}
run_external_command(cmd)
}
fn show_package_info(&self, package: &Package) -> Result<()> {
let backend_info = self.backend_info();
let mut cmd = Command::new(backend_info.binary);
cmd.args(backend_info.switches_info);
cmd.arg(&package.name);
run_external_command(cmd)
}
fn make_dependency(&self, _: &Packages) -> Result<()> {
panic!("Not supported by the package manager!")
}
}
fn create_package(package: &str) -> Package {
if DEFAULT_REPOS.iter().any(|repo| package.contains(repo)) && !package.contains("copr") {
let package = package.split('/').nth(1).expect("Cannot be empty!");
package.into()
} else {
package.into()
}
}