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|
use std::{
fs, io,
path::{Path, PathBuf},
};
use mingling::{
Routable,
macros::{buffer, command, pack, r_println, renderer, routeify},
};
use crate::{
Next,
pkg_mgr::{ErrorNoDataDirectory, ResPackagesDir},
};
// Version directory paths of every enabled package.
pack!(ResultLoadPkgsPaths = Vec<PathBuf>);
// Completion script paths of every enabled package.
pack!(ResultLoadPkgsComps = Vec<PathBuf>);
#[command(node = "__loadpkgs_path", routeify)]
pub fn load_packages_paths(packages_dir: &ResPackagesDir) -> Next {
let packages_dir = &packages_dir.path;
if packages_dir.as_os_str().is_empty() {
return ErrorNoDataDirectory::default().to_chain();
}
let paths = enabled_version_dirs(packages_dir).map_err(|e| {
io::Error::new(
e.kind(),
format!("failed to read {}: {e}", packages_dir.display()),
)
})?;
ResultLoadPkgsPaths::new(paths).to_chain()
}
#[command(node = "__loadpkgs_comp_scripts", routeify)]
pub fn load_packages_comp_scripts(packages_dir: &ResPackagesDir) -> Next {
let packages_dir = &packages_dir.path;
if packages_dir.as_os_str().is_empty() {
return ErrorNoDataDirectory::default().to_chain();
}
let scripts = comp_scripts(packages_dir).map_err(|e| {
io::Error::new(
e.kind(),
format!("failed to read {}: {e}", packages_dir.display()),
)
})?;
ResultLoadPkgsComps::new(scripts).to_chain()
}
#[renderer(buffer)]
pub fn render_result_load_pkgs_paths(r: ResultLoadPkgsPaths) {
for path in r.inner {
r_println!("{}", path.display());
}
}
#[renderer(buffer)]
pub fn render_result_load_pkgs_comps(r: ResultLoadPkgsComps) {
for path in r.inner {
r_println!("{}", path.display());
}
}
/// Version directories of every enabled package.
///
/// An enable file is a `name` file (no `@`) whose content is the enabled version.
fn enabled_version_dirs(packages_dir: &Path) -> Result<Vec<PathBuf>, io::Error> {
let mut dirs = Vec::new();
for entry in fs::read_dir(packages_dir)? {
let entry = entry?;
if !entry.file_type().is_ok_and(|t| t.is_file()) {
continue;
}
let name = entry.file_name().to_string_lossy().into_owned();
if name.contains('@') {
continue;
}
let version = fs::read_to_string(entry.path())?;
dirs.push(packages_dir.join(format!("{name}@{}", version.trim())));
}
dirs.sort();
Ok(dirs)
}
/// Completion scripts inside every enabled version directory.
fn comp_scripts(packages_dir: &Path) -> Result<Vec<PathBuf>, io::Error> {
let mut scripts = Vec::new();
for dir in enabled_version_dirs(packages_dir)? {
if !dir.is_dir() {
continue;
}
for entry in fs::read_dir(&dir)? {
let entry = entry?;
let name = entry.file_name().to_string_lossy().into_owned();
if name.contains("_comp") {
scripts.push(entry.path());
}
}
}
scripts.sort();
Ok(scripts)
}
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