a6a31ecb04
There is no significant difference between `rustpkg::crate_id::CrateId` and `syntax::crateid::CrateId`. rustpkg's one is replaced by syntax's one.
83 lines
2.9 KiB
Rust
83 lines
2.9 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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// rustpkg utilities having to do with workspaces
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use std::os;
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use context::Context;
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use path_util::{workspace_contains_crate_id, find_dir_using_rust_path_hack, default_workspace};
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use path_util::rust_path;
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use util::option_to_vec;
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use syntax::crateid::CrateId;
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pub fn each_pkg_parent_workspace(cx: &Context,
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crateid: &CrateId,
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action: |&Path| -> bool)
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-> bool {
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// Using the RUST_PATH, find workspaces that contain
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// this package ID
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let workspaces = pkg_parent_workspaces(cx, crateid);
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if workspaces.is_empty() {
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// tjc: make this a condition
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fail!("Package {} not found in any of \
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the following workspaces: {}",
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crateid.path,
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rust_path().map(|p| p.display().to_str()).to_str());
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}
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for ws in workspaces.iter() {
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if action(ws) {
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break;
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}
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}
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return true;
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}
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/// Given a package ID, return a vector of all of the workspaces in
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/// the RUST_PATH that contain it
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pub fn pkg_parent_workspaces(cx: &Context, crateid: &CrateId) -> ~[Path] {
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let rs: ~[Path] = rust_path().move_iter()
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.filter(|ws| workspace_contains_crate_id(crateid, ws))
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.collect();
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if cx.use_rust_path_hack {
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rs + option_to_vec(find_dir_using_rust_path_hack(crateid))
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}
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else {
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rs
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}
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}
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/// Construct a workspace and package-ID name based on the current directory.
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/// This gets used when rustpkg gets invoked without a package-ID argument.
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pub fn cwd_to_workspace() -> Option<(Path, CrateId)> {
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let cwd = os::getcwd();
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for path in rust_path().move_iter() {
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let srcpath = path.join("src");
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if srcpath.is_ancestor_of(&cwd) {
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let rel = cwd.path_relative_from(&srcpath);
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let rel_s = rel.as_ref().and_then(|p|p.as_str());
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if rel_s.is_some() {
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let crate_id = from_str(rel_s.unwrap()).expect("valid crate id");
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return Some((path, crate_id));
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}
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}
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}
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None
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}
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/// If `workspace` is the same as `cwd`, and use_rust_path_hack is false,
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/// return `workspace`; otherwise, return the first workspace in the RUST_PATH.
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pub fn determine_destination(cwd: Path, use_rust_path_hack: bool, workspace: &Path) -> Path {
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if workspace == &cwd && !use_rust_path_hack {
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workspace.clone()
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}
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else {
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default_workspace()
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}
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}
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