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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 rustc::metadata::filesearch::rust_path;
use path_util::*;
use std::os;
pub fn list_installed_packages(f: &fn(&PkgId) -> bool) -> bool {
let workspaces = rust_path();
for p in workspaces.iter() {
let binfiles = os::list_dir(&p.push("bin"));
for exec in binfiles.iter() {
let p = Path(*exec);
let exec_path = p.filestem();
do exec_path.iter().advance |s| {
f(&PkgId::new(*s))
};
}
let libfiles = os::list_dir(&p.push("lib"));
for lib in libfiles.iter() {
let lib = Path(*lib);
debug!("Full name: %s", lib.to_str());
match has_library(&lib) {
Some(basename) => {
debug!("parent = %s, child = %s",
p.push("lib").to_str(), lib.to_str());
let rel_p = p.push("lib/").get_relative_to(&lib);
debug!("Rel: %s", rel_p.to_str());
let rel_path = rel_p.push(basename).to_str();
debug!("Rel name: %s", rel_path);
f(&PkgId::new(rel_path));
}
None => ()
}
};
}
true
}
pub fn has_library(p: &Path) -> Option<~str> {
let files = os::list_dir(p);
for q in files.iter() {
let as_path = Path(*q);
if as_path.filetype() == Some(os::consts::DLL_SUFFIX) {
let stuff : &str = as_path.filestem().expect("has_library: weird path");
let mut stuff2 = stuff.split_str_iter(&"-");
let stuff3: ~[&str] = stuff2.collect();
// argh
let chars_to_drop = os::consts::DLL_PREFIX.len();
return Some(stuff3[0].slice(chars_to_drop, stuff3[0].len()).to_owned());
}
}
None
}
pub fn package_is_installed(p: &PkgId) -> bool {
let mut is_installed = false;
do list_installed_packages() |installed| {
if installed == p {
is_installed = true;
}
false
};
is_installed
}
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