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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.
// rustpkg utilities having to do with paths and directories
use core::path::*;
use core::{os, str};
use core::option::*;
use util::PkgId;
/// Returns the output directory to use.
/// Right now is always the default, should
/// support changing it.
pub fn dest_dir(pkgid: PkgId) -> Path {
default_dest_dir(&pkgid.path)
}
/// Returns the default output directory for compilation.
/// Creates that directory if it doesn't exist.
pub fn default_dest_dir(pkg_dir: &Path) -> Path {
use core::libc::consts::os::posix88::{S_IRUSR, S_IWUSR, S_IXUSR};
use conditions::bad_path::cond;
// For now: assumes that pkg_dir exists and is relative
// to the CWD. Change this later when we do path searching.
let rslt = pkg_dir.push("build");
let is_dir = os::path_is_dir(&rslt);
if os::path_exists(&rslt) {
if is_dir {
rslt
}
else {
cond.raise((rslt, ~"Path names a file that isn't a directory"))
}
}
else {
// Create it
if os::make_dir(&rslt, (S_IRUSR | S_IWUSR | S_IXUSR) as i32) {
rslt
}
else {
cond.raise((rslt, ~"Could not create directory"))
}
}
}
/// Replace all occurrences of '-' in the stem part of path with '_'
/// This is because we treat rust-foo-bar-quux and rust_foo_bar_quux
/// as the same name
pub fn normalize(p: ~Path) -> ~Path {
match p.filestem() {
None => p,
Some(st) => {
let replaced = str::replace(st, "-", "_");
if replaced != st {
~p.with_filestem(replaced)
}
else {
p
}
}
}
}
#[cfg(test)]
mod test {
use core::{os, rand};
use core::path::Path;
use core::rand::RngUtil;
use path_util::*;
// Helper function to create a directory name that doesn't exist
pub fn mk_nonexistent(tmpdir: &Path, suffix: &str) -> Path {
let r = rand::Rng();
for 1000.times {
let p = tmpdir.push(r.gen_str(16) + suffix);
if !os::path_exists(&p) {
return p;
}
}
fail!(~"Couldn't compute a non-existent path name; this is worrisome")
}
#[test]
fn default_dir_ok() {
let the_path = os::tmpdir();
let substitute_path = Path("xyzzy");
assert!(default_dest_dir(&the_path) == the_path.push(~"build"));
let nonexistent_path = mk_nonexistent(&the_path, "quux");
let bogus = do ::conditions::bad_path::cond.trap(|_| {
substitute_path
}).in { default_dest_dir(&nonexistent_path) };
assert!(bogus == substitute_path);
}
}
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