rust/src/librustpkg/installed_packages.rs

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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Listing installed packages
use path_util::*;
use std::os;
pub fn list_installed_packages(f: &fn(&PkgId) -> bool) -> bool {
let workspaces = rust_path();
for workspaces.iter().advance() |p| {
let binfiles = os::list_dir(&p.push("bin"));
for binfiles.iter().advance() |exec| {
f(&PkgId::new(*exec));
}
let libfiles = os::list_dir(&p.push("lib"));
for libfiles.iter().advance() |lib| {
f(&PkgId::new(*lib));
}
}
true
}
pub fn package_is_installed(p: &PkgId) -> bool {
let mut is_installed = false;
let _ = do list_installed_packages() |installed| {
if installed == p {
is_installed = true;
}
false
};
is_installed
}