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cargo: support build-from-source #1250

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cargo: support build-from-source #1250

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43 changes: 36 additions & 7 deletions src/cargo/cargo.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import rustc::syntax::{ast, codemap, visit};
import rustc::syntax::parse::parser;

import std::fs;
import std::io;
import std::option;
import std::option::{none, some};
Expand Down Expand Up @@ -95,9 +96,38 @@ fn rest(s: str, start: uint) -> str {
}
}

fn install_file(_path: str) -> option::t<str> {
fn install_source(path: str) {
log #fmt["source: %s", path];
fs::change_dir(path);
let contents = fs::list_dir(".");

log #fmt["contents: %s", str::connect(contents, ", ")];

let cratefile = vec::find::<str>({ |n| str::ends_with(n, ".rc") }, contents);

// First, try a configure script:
if vec::member("./configure", contents) {
run::run_program("./configure", []);
}

// Makefile?
if vec::member("./Makefile", contents) {
run::run_program("make", ["RUSTC=rustc"]);
} else if option::is_some::<str>(cratefile) {
run::run_program("rustc", [option::get(cratefile)]);
}
}

fn install_file(_path: str) {
let wd = tempfile::mkdtemp("/tmp/cargo-work-", "");
ret wd;
alt wd {
some(p) {
run::run_program("tar", ["-x", "--strip-components=1",
"-C", p, "-f", _path]);
install_source(p);
}
_ { }
}
}

fn cmd_install(argv: [str]) {
Expand All @@ -107,12 +137,10 @@ fn cmd_install(argv: [str]) {
ret;
}

let _wd = if str::starts_with(argv[2], "file:") {
if str::starts_with(argv[2], "file:") {
let path = rest(argv[2], 5u);
install_file(path)
} else {
none
};
install_file(path);
}
}

fn cmd_usage() {
Expand All @@ -125,6 +153,7 @@ fn main(argv: [str]) {
ret;
}
alt argv[1] {
"install" { cmd_install(argv); }
"usage" { cmd_usage(); }
_ { cmd_usage(); }
}
Expand Down