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1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | use std::env; | |
12 | use std::path::{Path, PathBuf}; | |
13 | use std::fs; | |
14 | use std::process::Command; | |
15 | ||
16 | use bootstrap::{dylib_path, dylib_path_var}; | |
17 | use filetime::FileTime; | |
18 | ||
19 | pub fn staticlib(name: &str, target: &str) -> String { | |
20 | if target.contains("windows-msvc") { | |
21 | format!("{}.lib", name) | |
22 | } else { | |
23 | format!("lib{}.a", name) | |
24 | } | |
25 | } | |
26 | ||
27 | pub fn mtime(path: &Path) -> FileTime { | |
28 | fs::metadata(path).map(|f| { | |
29 | FileTime::from_last_modification_time(&f) | |
30 | }).unwrap_or(FileTime::zero()) | |
31 | } | |
32 | ||
54a0048b SL |
33 | pub fn copy(src: &Path, dst: &Path) { |
34 | let res = fs::hard_link(src, dst); | |
35 | let res = res.or_else(|_| fs::copy(src, dst).map(|_| ())); | |
36 | if let Err(e) = res { | |
37 | panic!("failed to copy `{}` to `{}`: {}", src.display(), | |
38 | dst.display(), e) | |
39 | } | |
40 | } | |
41 | ||
7453a54e SL |
42 | pub fn cp_r(src: &Path, dst: &Path) { |
43 | for f in t!(fs::read_dir(src)) { | |
44 | let f = t!(f); | |
45 | let path = f.path(); | |
46 | let name = path.file_name().unwrap(); | |
47 | let dst = dst.join(name); | |
48 | if t!(f.file_type()).is_dir() { | |
49 | let _ = fs::remove_dir_all(&dst); | |
50 | t!(fs::create_dir(&dst)); | |
51 | cp_r(&path, &dst); | |
52 | } else { | |
53 | let _ = fs::remove_file(&dst); | |
54a0048b | 54 | copy(&path, &dst); |
7453a54e SL |
55 | } |
56 | } | |
57 | } | |
58 | ||
59 | /// Given an executable called `name`, return the filename for the | |
60 | /// executable for a particular target. | |
61 | pub fn exe(name: &str, target: &str) -> String { | |
62 | if target.contains("windows") { | |
63 | format!("{}.exe", name) | |
64 | } else { | |
65 | name.to_string() | |
66 | } | |
67 | } | |
68 | ||
69 | pub fn is_dylib(name: &str) -> bool { | |
70 | name.ends_with(".dylib") || name.ends_with(".so") || name.ends_with(".dll") | |
71 | } | |
72 | ||
73 | pub fn libdir(target: &str) -> &'static str { | |
74 | if target.contains("windows") {"bin"} else {"lib"} | |
75 | } | |
76 | ||
77 | pub fn add_lib_path(path: Vec<PathBuf>, cmd: &mut Command) { | |
78 | let mut list = dylib_path(); | |
79 | for path in path { | |
80 | list.insert(0, path); | |
81 | } | |
82 | cmd.env(dylib_path_var(), t!(env::join_paths(list))); | |
83 | } | |
84 | ||
85 | #[allow(dead_code)] // this will be used soon | |
86 | pub fn up_to_date(src: &Path, dst: &Path) -> bool { | |
87 | let threshold = mtime(dst); | |
88 | let meta = t!(fs::metadata(src)); | |
89 | if meta.is_dir() { | |
90 | dir_up_to_date(src, &threshold) | |
91 | } else { | |
92 | FileTime::from_last_modification_time(&meta) <= threshold | |
93 | } | |
94 | } | |
95 | ||
96 | fn dir_up_to_date(src: &Path, threshold: &FileTime) -> bool { | |
97 | t!(fs::read_dir(src)).map(|e| t!(e)).all(|e| { | |
98 | let meta = t!(e.metadata()); | |
99 | if meta.is_dir() { | |
100 | dir_up_to_date(&e.path(), threshold) | |
101 | } else { | |
102 | FileTime::from_last_modification_time(&meta) < *threshold | |
103 | } | |
104 | }) | |
105 | } |