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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.
// Context data structure used by rustpkg
use std::hashmap::HashMap;
use std::os;
pub struct Ctx {
// Sysroot -- if this is None, uses rustc filesearch's
// idea of the default
sysroot_opt: Option<@Path>,
// I'm not sure what this is for
json: bool,
// Cache of hashes of things already installed
// though I'm not sure why the value is a bool
dep_cache: @mut HashMap<~str, bool>,
}
impl Ctx {
/// Debugging
pub fn sysroot_opt_str(&self) -> ~str {
match self.sysroot_opt {
None => ~"[none]",
Some(p) => p.to_str()
}
}
// Hack so that rustpkg can run either out of a rustc target dir,
// or the host dir
pub fn sysroot_to_use(&self) -> Option<@Path> {
if !in_target(self.sysroot_opt) {
self.sysroot_opt
}
else {
self.sysroot_opt.map(|p| { @p.pop().pop().pop() })
}
}
}
/// We assume that if ../../rustc exists, then we're running
/// rustpkg from a Rust target directory. This is part of a
/// kludgy hack used to adjust the sysroot.
pub fn in_target(sysroot_opt: Option<@Path>) -> bool {
match sysroot_opt {
None => false,
Some(p) => {
debug!("Checking whether %s is in target", p.to_str());
os::path_is_dir(&p.pop().pop().push("rustc"))
}
}
}
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