96fd606ddd
This commit allows you to write: extern mod x = "a/b/c"; which means rustc will search in the RUST_PATH for a package with ID a/b/c, and bind it to the name `x` if it's found. Incidentally, move get_relative_to from back::rpath into std::path
49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Context data structure used by rustpkg
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use std::hashmap::HashMap;
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use std::os;
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pub struct Ctx {
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// Sysroot -- if this is None, uses rustc filesearch's
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// idea of the default
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sysroot_opt: Option<@Path>,
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// I'm not sure what this is for
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json: bool,
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// Cache of hashes of things already installed
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// though I'm not sure why the value is a bool
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dep_cache: @mut HashMap<~str, bool>,
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}
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impl Ctx {
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/// Debugging
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pub fn sysroot_opt_str(&self) -> ~str {
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match self.sysroot_opt {
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None => ~"[none]",
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Some(p) => p.to_str()
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}
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}
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}
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/// We assume that if ../../rustc exists, then we're running
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/// rustpkg from a Rust target directory. This is part of a
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/// kludgy hack used to adjust the sysroot.
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pub fn in_target(sysroot_opt: Option<@Path>) -> bool {
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match sysroot_opt {
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None => false,
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Some(p) => {
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debug!("Checking whether %s is in target", p.to_str());
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os::path_is_dir(&p.pop().pop().push("rustc"))
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}
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}
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}
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