rust/src/cargo/cargo.rs

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// cargo.rs - Rust package manager
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use syntax::{ast, codemap, parse, visit, attr};
use syntax::diagnostic::span_handler;
use codemap::span;
use rustc::metadata::filesearch::{get_cargo_root, get_cargo_root_nearest,
get_cargo_sysroot, libdir};
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use syntax::diagnostic;
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use result::{Ok, Err};
use io::WriterUtil;
use std::{map, json, tempfile, term, sort, getopts};
use map::hashmap;
use to_str::to_str;
use getopts::{optflag, optopt, opt_present};
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type package = {
name: ~str,
uuid: ~str,
url: ~str,
method: ~str,
description: ~str,
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reference: Option<~str>,
tags: ~[~str],
versions: ~[(~str, ~str)]
};
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impl package : cmp::Ord {
pure fn lt(&&other: package) -> bool {
if self.name.lt(other.name) { return true; }
if other.name.lt(self.name) { return false; }
if self.uuid.lt(other.uuid) { return true; }
if other.uuid.lt(self.uuid) { return false; }
if self.url.lt(other.url) { return true; }
if other.url.lt(self.url) { return false; }
if self.method.lt(other.method) { return true; }
if other.method.lt(self.method) { return false; }
if self.description.lt(other.description) { return true; }
if other.description.lt(self.description) { return false; }
if self.tags.lt(other.tags) { return true; }
if other.tags.lt(self.tags) { return false; }
if self.versions.lt(other.versions) { return true; }
return false;
}
pure fn le(&&other: package) -> bool { !other.lt(self) }
pure fn ge(&&other: package) -> bool { !self.lt(other) }
pure fn gt(&&other: package) -> bool { other.lt(self) }
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}
type local_package = {
name: ~str,
metaname: ~str,
version: ~str,
files: ~[~str]
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};
type source = @{
name: ~str,
mut url: ~str,
mut method: ~str,
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mut key: Option<~str>,
mut keyfp: Option<~str>,
mut packages: ~[mut package]
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};
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type cargo = {
pgp: bool,
root: Path,
installdir: Path,
bindir: Path,
libdir: Path,
workdir: Path,
sourcedir: Path,
sources: map::hashmap<~str, source>,
mut current_install: ~str,
dep_cache: map::hashmap<~str, bool>,
opts: options
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};
type crate = {
name: ~str,
vers: ~str,
uuid: ~str,
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desc: Option<~str>,
sigs: Option<~str>,
crate_type: Option<~str>,
deps: ~[~str]
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};
type options = {
test: bool,
mode: mode,
free: ~[~str],
help: bool,
};
enum mode { system_mode, user_mode, local_mode }
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impl mode : cmp::Eq {
pure fn eq(&&other: mode) -> bool {
(self as uint) == (other as uint)
}
pure fn ne(&&other: mode) -> bool { !self.eq(other) }
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}
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fn opts() -> ~[getopts::Opt] {
~[optflag(~"g"), optflag(~"G"), optflag(~"test"),
optflag(~"h"), optflag(~"help")]
}
fn info(msg: ~str) {
let out = io::stdout();
if term::color_supported() {
term::fg(out, term::color_green);
out.write_str(~"info: ");
term::reset(out);
out.write_line(msg);
} else { out.write_line(~"info: " + msg); }
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}
fn warn(msg: ~str) {
let out = io::stdout();
if term::color_supported() {
term::fg(out, term::color_yellow);
out.write_str(~"warning: ");
term::reset(out);
out.write_line(msg);
}else { out.write_line(~"warning: " + msg); }
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}
fn error(msg: ~str) {
let out = io::stdout();
if term::color_supported() {
term::fg(out, term::color_red);
out.write_str(~"error: ");
term::reset(out);
out.write_line(msg);
}
else { out.write_line(~"error: " + msg); }
}
fn is_uuid(id: ~str) -> bool {
let parts = str::split_str(id, ~"-");
if vec::len(parts) == 5u {
let mut correct = 0u;
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for vec::eachi(parts) |i, part| {
fn is_hex_digit(ch: char) -> bool {
('0' <= ch && ch <= '9') ||
('a' <= ch && ch <= 'f') ||
('A' <= ch && ch <= 'F')
}
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if !part.all(is_hex_digit) {
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return false;
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}
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match i {
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0u => {
if str::len(part) == 8u {
correct += 1u;
}
}
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1u | 2u | 3u => {
if str::len(part) == 4u {
correct += 1u;
}
}
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4u => {
if str::len(part) == 12u {
correct += 1u;
}
}
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_ => { }
}
}
if correct >= 5u {
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return true;
}
}
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return false;
}
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#[test]
fn test_is_uuid() {
assert is_uuid(~"aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaafAF09");
assert !is_uuid(~"aaaaaaaa-aaaa-aaaa-aaaaa-aaaaaaaaaaaa");
assert !is_uuid(~"");
assert !is_uuid(~"aaaaaaaa-aaa -aaaa-aaaa-aaaaaaaaaaaa");
assert !is_uuid(~"aaaaaaaa-aaa!-aaaa-aaaa-aaaaaaaaaaaa");
assert !is_uuid(~"aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa-a");
assert !is_uuid(~"aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaป");
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}
// FIXME (#2661): implement url/URL parsing so we don't have to resort
// to weak checks
fn has_archive_extension(p: ~str) -> bool {
str::ends_with(p, ~".tar") ||
str::ends_with(p, ~".tar.gz") ||
str::ends_with(p, ~".tar.bz2") ||
str::ends_with(p, ~".tar.Z") ||
str::ends_with(p, ~".tar.lz") ||
str::ends_with(p, ~".tar.xz") ||
str::ends_with(p, ~".tgz") ||
str::ends_with(p, ~".tbz") ||
str::ends_with(p, ~".tbz2") ||
str::ends_with(p, ~".tb2") ||
str::ends_with(p, ~".taz") ||
str::ends_with(p, ~".tlz") ||
str::ends_with(p, ~".txz")
}
fn is_archive_path(u: ~str) -> bool {
has_archive_extension(u) && os::path_exists(&Path(u))
}
fn is_archive_url(u: ~str) -> bool {
// FIXME (#2661): this requires the protocol bit - if we had proper
// url parsing, we wouldn't need it
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match str::find_str(u, ~"://") {
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option::Some(_) => has_archive_extension(u),
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_ => false
}
}
fn is_git_url(url: ~str) -> bool {
if str::ends_with(url, ~"/") { str::ends_with(url, ~".git/") }
else {
str::starts_with(url, ~"git://") || str::ends_with(url, ~".git")
}
}
fn assume_source_method(url: ~str) -> ~str {
if is_git_url(url) {
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return ~"git";
}
if str::starts_with(url, ~"file://") || os::path_exists(&Path(url)) {
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return ~"file";
}
~"curl"
}
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fn load_link(mis: ~[@ast::meta_item]) -> (Option<~str>,
Option<~str>,
Option<~str>) {
let mut name = None;
let mut vers = None;
let mut uuid = None;
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for mis.each |a| {
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match a.node {
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ast::meta_name_value(v, {node: ast::lit_str(s), span: _}) => {
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match v {
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~"name" => name = Some(*s),
~"vers" => vers = Some(*s),
~"uuid" => uuid = Some(*s),
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_ => { }
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}
}
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_ => fail ~"load_link: meta items must be name-values"
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}
}
(name, vers, uuid)
}
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fn load_crate(filename: &Path) -> Option<crate> {
let sess = parse::new_parse_sess(None);
let c = parse::parse_crate_from_crate_file(filename, ~[], sess);
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let mut name = None;
let mut vers = None;
let mut uuid = None;
let mut desc = None;
let mut sigs = None;
let mut crate_type = None;
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for c.node.attrs.each |a| {
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match a.node.value.node {
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ast::meta_name_value(v, {node: ast::lit_str(_), span: _}) => {
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match v {
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~"desc" => desc = Some(v),
~"sigs" => sigs = Some(v),
~"crate_type" => crate_type = Some(v),
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_ => { }
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}
}
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ast::meta_list(v, mis) => {
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if v == ~"link" {
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let (n, v, u) = load_link(mis);
name = n;
vers = v;
uuid = u;
}
}
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_ => {
fail ~"crate attributes may not contain " +
~"meta_words";
}
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}
}
type env = @{
mut deps: ~[~str]
};
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fn goto_view_item(ps: syntax::parse::parse_sess, e: env,
i: @ast::view_item) {
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match i.node {
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ast::view_item_use(ident, metas, _) => {
let name_items =
attr::find_meta_items_by_name(metas, ~"name");
let m = if name_items.is_empty() {
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metas + ~[attr::mk_name_value_item_str(
~"name", *ps.interner.get(ident))]
} else {
metas
};
let mut attr_name = ident;
let mut attr_vers = ~"";
let mut attr_from = ~"";
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for m.each |item| {
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match attr::get_meta_item_value_str(item) {
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Some(value) => {
let name = attr::get_meta_item_name(item);
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match name {
~"vers" => attr_vers = value,
~"from" => attr_from = value,
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_ => ()
}
}
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None => ()
}
}
let query = if !str::is_empty(attr_from) {
attr_from
} else {
if !str::is_empty(attr_vers) {
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ps.interner.get(attr_name) + ~"@" + attr_vers
} else { *ps.interner.get(attr_name) }
};
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match *ps.interner.get(attr_name) {
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~"std" | ~"core" => (),
_ => vec::push(e.deps, query)
}
}
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_ => ()
}
}
fn goto_item(_e: env, _i: @ast::item) {
}
let e = @{
mut deps: ~[]
};
let v = visit::mk_simple_visitor(@{
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visit_view_item: |a| goto_view_item(sess, e, a),
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visit_item: |a| goto_item(e, a),
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.. *visit::default_simple_visitor()
});
visit::visit_crate(*c, (), v);
let deps = copy e.deps;
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match (name, vers, uuid) {
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(Some(name0), Some(vers0), Some(uuid0)) => {
Some({
name: name0,
vers: vers0,
uuid: uuid0,
desc: desc,
sigs: sigs,
crate_type: crate_type,
deps: deps })
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}
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_ => return None
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}
}
fn print(s: ~str) {
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io::stdout().write_line(s);
}
fn rest(s: ~str, start: uint) -> ~str {
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if (start >= str::len(s)) {
~""
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} else {
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str::slice(s, start, str::len(s))
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}
}
fn need_dir(s: &Path) {
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if os::path_is_dir(s) { return; }
if !os::make_dir(s, 493_i32 /* oct: 755 */) {
fail fmt!("can't make_dir %s", s.to_str());
}
}
fn valid_pkg_name(s: ~str) -> bool {
fn is_valid_digit(c: char) -> bool {
('0' <= c && c <= '9') ||
('a' <= c && c <= 'z') ||
('A' <= c && c <= 'Z') ||
c == '-' ||
c == '_'
}
s.all(is_valid_digit)
}
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fn parse_source(name: ~str, j: json::Json) -> source {
if !valid_pkg_name(name) {
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fail fmt!("'%s' is an invalid source name", name);
}
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match j {
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json::Dict(j) => {
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let mut url = match j.find(~"url") {
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Some(json::String(u)) => *u,
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_ => fail ~"needed 'url' field in source"
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};
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let method = match j.find(~"method") {
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Some(json::String(u)) => *u,
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_ => assume_source_method(url)
};
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let key = match j.find(~"key") {
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Some(json::String(u)) => Some(*u),
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_ => None
};
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let keyfp = match j.find(~"keyfp") {
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Some(json::String(u)) => Some(*u),
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_ => None
};
if method == ~"file" {
url = os::make_absolute(&Path(url)).to_str();
}
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return @{
name: name,
mut url: url,
mut method: method,
mut key: key,
mut keyfp: keyfp,
mut packages: ~[mut] };
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}
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_ => fail ~"needed dict value in source"
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};
}
fn try_parse_sources(filename: &Path, sources: map::hashmap<~str, source>) {
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if !os::path_exists(filename) { return; }
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let c = io::read_whole_file_str(filename);
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match json::from_str(result::get(c)) {
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Ok(json::Dict(j)) => {
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for j.each |k, v| {
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sources.insert(k, parse_source(k, v));
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debug!("source: %s", k);
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}
}
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Ok(_) => fail ~"malformed sources.json",
Err(e) => fail fmt!("%s:%s", filename.to_str(), e.to_str())
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}
}
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fn load_one_source_package(src: source, p: map::hashmap<~str, json::Json>) {
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let name = match p.find(~"name") {
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Some(json::String(n)) => {
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if !valid_pkg_name(*n) {
warn(~"malformed source json: "
+ src.name + ~", '" + *n + ~"'"+
~" is an invalid name (alphanumeric, underscores and" +
~" dashes only)");
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return;
}
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*n
}
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_ => {
warn(~"malformed source json: " + src.name + ~" (missing name)");
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return;
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}
};
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let uuid = match p.find(~"uuid") {
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Some(json::String(n)) => {
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if !is_uuid(*n) {
warn(~"malformed source json: "
+ src.name + ~", '" + *n + ~"'"+
~" is an invalid uuid");
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return;
}
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*n
}
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_ => {
warn(~"malformed source json: " + src.name + ~" (missing uuid)");
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return;
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}
};
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let url = match p.find(~"url") {
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Some(json::String(n)) => *n,
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_ => {
warn(~"malformed source json: " + src.name + ~" (missing url)");
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return;
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}
};
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let method = match p.find(~"method") {
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Some(json::String(n)) => *n,
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_ => {
warn(~"malformed source json: "
+ src.name + ~" (missing method)");
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return;
}
};
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let reference = match p.find(~"ref") {
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Some(json::String(n)) => Some(*n),
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_ => None
};
let mut tags = ~[];
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match p.find(~"tags") {
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Some(json::List(js)) => {
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for (*js).each |j| {
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match j {
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json::String(j) => vec::grow(tags, 1u, *j),
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_ => ()
}
}
}
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_ => ()
}
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let description = match p.find(~"description") {
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Some(json::String(n)) => *n,
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_ => {
warn(~"malformed source json: " + src.name
+ ~" (missing description)");
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return;
}
};
let newpkg = {
name: name,
uuid: uuid,
url: url,
method: method,
description: description,
reference: reference,
tags: tags,
versions: ~[]
};
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match vec::position(src.packages, |pkg| pkg.uuid == uuid) {
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Some(idx) => {
src.packages[idx] = newpkg;
log(debug, ~" updated package: " + src.name + ~"/" + name);
}
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None => {
vec::grow(src.packages, 1u, newpkg);
}
}
log(debug, ~" loaded package: " + src.name + ~"/" + name);
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}
fn load_source_info(c: cargo, src: source) {
let dir = c.sourcedir.push(src.name);
let srcfile = dir.push("source.json");
if !os::path_exists(&srcfile) { return; }
let srcstr = io::read_whole_file_str(&srcfile);
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match json::from_str(result::get(srcstr)) {
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Ok(json::Dict(s)) => {
let o = parse_source(src.name, json::Dict(s));
src.key = o.key;
src.keyfp = o.keyfp;
}
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Ok(_) => {
warn(~"malformed source.json: " + src.name +
~"(source info is not a dict)");
}
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Err(e) => {
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warn(fmt!("%s:%s", src.name, e.to_str()));
}
};
}
fn load_source_packages(c: cargo, src: source) {
log(debug, ~"loading source: " + src.name);
let dir = c.sourcedir.push(src.name);
let pkgfile = dir.push("packages.json");
if !os::path_exists(&pkgfile) { return; }
let pkgstr = io::read_whole_file_str(&pkgfile);
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match json::from_str(result::get(pkgstr)) {
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Ok(json::List(js)) => {
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for (*js).each |j| {
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match j {
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json::Dict(p) => {
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load_one_source_package(src, p);
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}
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_ => {
warn(~"malformed source json: " + src.name +
~" (non-dict pkg)");
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}
}
}
}
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Ok(_) => {
warn(~"malformed packages.json: " + src.name +
~"(packages is not a list)");
}
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Err(e) => {
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warn(fmt!("%s:%s", src.name, e.to_str()));
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}
};
}
fn build_cargo_options(argv: ~[~str]) -> options {
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let matches = match getopts::getopts(argv, opts()) {
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result::Ok(m) => m,
result::Err(f) => {
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fail fmt!("%s", getopts::fail_str(f));
}
};
let test = opt_present(matches, ~"test");
let G = opt_present(matches, ~"G");
let g = opt_present(matches, ~"g");
let help = opt_present(matches, ~"h") || opt_present(matches, ~"help");
let len = vec::len(matches.free);
let is_install = len > 1u && matches.free[1] == ~"install";
let is_uninstall = len > 1u && matches.free[1] == ~"uninstall";
if G && g { fail ~"-G and -g both provided"; }
if !is_install && !is_uninstall && (g || G) {
fail ~"-g and -G are only valid for `install` and `uninstall|rm`";
}
let mode =
if (!is_install && !is_uninstall) || g { user_mode }
else if G { system_mode }
else { local_mode };
{test: test, mode: mode, free: matches.free, help: help}
}
fn configure(opts: options) -> cargo {
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let home = match get_cargo_root() {
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Ok(home) => home,
Err(_err) => result::get(get_cargo_sysroot())
};
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let get_cargo_dir = match opts.mode {
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system_mode => get_cargo_sysroot,
user_mode => get_cargo_root,
local_mode => get_cargo_root_nearest
};
let p = result::get(get_cargo_dir());
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let sources = map::str_hash();
try_parse_sources(&home.push("sources.json"), sources);
try_parse_sources(&home.push("local-sources.json"), sources);
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let dep_cache = map::str_hash();
let mut c = {
pgp: pgp::supported(),
root: home,
installdir: p,
bindir: p.push("bin"),
libdir: p.push("lib"),
workdir: p.push("work"),
sourcedir: home.push("sources"),
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sources: sources,
mut current_install: ~"",
dep_cache: dep_cache,
opts: opts
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};
need_dir(&c.root);
need_dir(&c.installdir);
need_dir(&c.sourcedir);
need_dir(&c.workdir);
need_dir(&c.libdir);
need_dir(&c.bindir);
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for sources.each_key |k| {
let mut s = sources.get(k);
load_source_packages(c, s);
sources.insert(k, s);
}
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if c.pgp {
pgp::init(&c.root);
} else {
warn(~"command `gpg` was not found");
warn(~"you have to install gpg from source " +
~" or package manager to get it to work correctly");
}
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c
}
fn for_each_package(c: cargo, b: fn(source, package)) {
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for c.sources.each_value |v| {
// FIXME (#2280): this temporary shouldn't be
// necessary, but seems to be, for borrowing.
let pks = copy v.packages;
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for vec::each(pks) |p| {
b(v, p);
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}
}
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}
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// Runs all programs in directory <buildpath>
fn run_programs(buildpath: &Path) {
let newv = os::list_dir_path(buildpath);
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for newv.each |ct| {
run::run_program(ct.to_str(), ~[]);
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}
}
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// Runs rustc in <path + subdir> with the given flags
// and returns <patho + subdir>
fn run_in_buildpath(what: &str, path: &Path, subdir: &Path, cf: &Path,
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extra_flags: ~[~str]) -> Option<Path> {
let buildpath = path.push_rel(subdir);
need_dir(&buildpath);
debug!("%s: %s -> %s", what, cf.to_str(), buildpath.to_str());
let p = run::program_output(rustc_sysroot(),
~[~"--out-dir",
buildpath.to_str(),
cf.to_str()] + extra_flags);
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if p.status != 0 {
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error(fmt!("rustc failed: %d\n%s\n%s", p.status, p.err, p.out));
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return None;
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}
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Some(buildpath)
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}
fn test_one_crate(_c: cargo, path: &Path, cf: &Path) {
let buildpath = match run_in_buildpath(~"testing", path,
&Path("test"),
cf,
~[ ~"--test"]) {
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None => return,
Some(bp) => bp
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};
run_programs(&buildpath);
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}
fn install_one_crate(c: cargo, path: &Path, cf: &Path) {
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let buildpath = match run_in_buildpath(~"installing", path,
&Path("build"),
cf, ~[]) {
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None => return,
Some(bp) => bp
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};
let newv = os::list_dir_path(&buildpath);
let exec_suffix = os::exe_suffix();
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for newv.each |ct| {
if (exec_suffix != ~"" && str::ends_with(ct.to_str(),
exec_suffix)) ||
(exec_suffix == ~"" &&
!str::starts_with(option::get(ct.filename()),
~"lib")) {
debug!(" bin: %s", ct.to_str());
install_to_dir(ct, &c.bindir);
if c.opts.mode == system_mode {
// FIXME (#2662): Put this file in PATH / symlink it so it can
// be used as a generic executable
// `cargo install -G rustray` and `rustray file.obj`
}
} else {
debug!(" lib: %s", ct.to_str());
install_to_dir(ct, &c.libdir);
}
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}
}
fn rustc_sysroot() -> ~str {
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match os::self_exe_path() {
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Some(path) => {
let rustc = path.push_many([~"..", ~"bin", ~"rustc"]);
debug!(" rustc: %s", rustc.to_str());
rustc.to_str()
}
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None => ~"rustc"
}
}
fn install_source(c: cargo, path: &Path) {
debug!("source: %s", path.to_str());
os::change_dir(path);
let mut cratefiles = ~[];
for os::walk_dir(&Path(".")) |p| {
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if p.filetype() == Some(~"rc") {
vec::push(cratefiles, *p);
}
}
if vec::is_empty(cratefiles) {
fail ~"this doesn't look like a rust package (no .rc files)";
}
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for cratefiles.each |cf| {
match load_crate(&cf) {
None => loop,
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Some(crate) => {
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for crate.deps.each |query| {
// FIXME (#1356): handle cyclic dependencies
// (n.b. #1356 says "Cyclic dependency is an error
// condition")
let wd = get_temp_workdir(c);
install_query(c, &wd, query);
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}
os::change_dir(path);
if c.opts.test {
test_one_crate(c, path, &cf);
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}
install_one_crate(c, path, &cf);
}
}
}
}
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fn install_git(c: cargo, wd: &Path, url: ~str, reference: Option<~str>) {
run::program_output(~"git", ~[~"clone", url, wd.to_str()]);
if option::is_some(reference) {
let r = option::get(reference);
os::change_dir(wd);
run::run_program(~"git", ~[~"checkout", r]);
}
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install_source(c, wd);
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}
fn install_curl(c: cargo, wd: &Path, url: ~str) {
let tarpath = wd.push("pkg.tar");
let p = run::program_output(~"curl", ~[~"-f", ~"-s", ~"-o",
tarpath.to_str(), url]);
if p.status != 0 {
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fail fmt!("fetch of %s failed: %s", url, p.err);
}
run::run_program(~"tar", ~[~"-x", ~"--strip-components=1",
~"-C", wd.to_str(),
~"-f", tarpath.to_str()]);
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install_source(c, wd);
}
fn install_file(c: cargo, wd: &Path, path: &Path) {
run::program_output(~"tar", ~[~"-x", ~"--strip-components=1",
~"-C", wd.to_str(),
~"-f", path.to_str()]);
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install_source(c, wd);
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}
fn install_package(c: cargo, src: ~str, wd: &Path, pkg: package) {
let url = copy pkg.url;
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let method = match pkg.method {
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~"git" => ~"git",
~"file" => ~"file",
_ => ~"curl"
};
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info(fmt!("installing %s/%s via %s...", src, pkg.name, method));
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match method {
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~"git" => install_git(c, wd, url, copy pkg.reference),
~"file" => install_file(c, wd, &Path(url)),
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~"curl" => install_curl(c, wd, copy url),
_ => ()
}
}
fn cargo_suggestion(c: cargo, fallback: fn())
{
if c.sources.size() == 0u {
error(~"no sources defined - you may wish to run " +
~"`cargo init`");
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return;
}
fallback();
}
fn install_uuid(c: cargo, wd: &Path, uuid: ~str) {
let mut ps = ~[];
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for_each_package(c, |s, p| {
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if p.uuid == uuid {
vec::grow(ps, 1u, (s.name, copy p));
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}
});
if vec::len(ps) == 1u {
let (sname, p) = copy ps[0];
install_package(c, sname, wd, p);
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return;
} else if vec::len(ps) == 0u {
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cargo_suggestion(c, || {
error(~"can't find package: " + uuid);
});
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return;
}
error(~"found multiple packages:");
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for ps.each |elt| {
let (sname,p) = copy elt;
info(~" " + sname + ~"/" + p.uuid + ~" (" + p.name + ~")");
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}
}
fn install_named(c: cargo, wd: &Path, name: ~str) {
let mut ps = ~[];
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for_each_package(c, |s, p| {
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if p.name == name {
vec::grow(ps, 1u, (s.name, copy p));
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}
});
if vec::len(ps) == 1u {
let (sname, p) = copy ps[0];
install_package(c, sname, wd, p);
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return;
} else if vec::len(ps) == 0u {
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cargo_suggestion(c, || {
error(~"can't find package: " + name);
});
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return;
}
error(~"found multiple packages:");
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for ps.each |elt| {
let (sname,p) = copy elt;
info(~" " + sname + ~"/" + p.uuid + ~" (" + p.name + ~")");
}
}
fn install_uuid_specific(c: cargo, wd: &Path, src: ~str, uuid: ~str) {
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match c.sources.find(src) {
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Some(s) => {
let packages = copy s.packages;
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if vec::any(packages, |p| {
if p.uuid == uuid {
install_package(c, src, wd, p);
true
} else { false }
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}) { return; }
}
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_ => ()
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}
error(~"can't find package: " + src + ~"/" + uuid);
}
fn install_named_specific(c: cargo, wd: &Path, src: ~str, name: ~str) {
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match c.sources.find(src) {
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Some(s) => {
let packages = copy s.packages;
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if vec::any(packages, |p| {
if p.name == name {
install_package(c, src, wd, p);
true
} else { false }
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}) { return; }
}
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_ => ()
}
error(~"can't find package: " + src + ~"/" + name);
}
fn cmd_uninstall(c: cargo) {
if vec::len(c.opts.free) < 3u {
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cmd_usage();
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return;
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}
let lib = &c.libdir;
let bin = &c.bindir;
let target = c.opts.free[2u];
// FIXME (#2662): needs stronger pattern matching
// FIXME (#2662): needs to uninstall from a specified location in a
// cache instead of looking for it (binaries can be uninstalled by
// name only)
fn try_uninstall(p: &Path) -> bool {
if os::remove_file(p) {
info(~"uninstalled: '" + p.to_str() + ~"'");
true
} else {
error(~"could not uninstall: '" +
p.to_str() + ~"'");
false
}
}
if is_uuid(target) {
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for os::list_dir(lib).each |file| {
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match str::find_str(file, ~"-" + target + ~"-") {
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Some(_) => if !try_uninstall(&lib.push(file)) { return },
None => ()
}
}
error(~"can't find package with uuid: " + target);
} else {
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for os::list_dir(lib).each |file| {
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match str::find_str(file, ~"lib" + target + ~"-") {
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Some(_) => if !try_uninstall(&lib.push(file)) { return },
None => ()
}
}
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for os::list_dir(bin).each |file| {
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match str::find_str(file, target) {
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Some(_) => if !try_uninstall(&lib.push(file)) { return },
None => ()
}
}
error(~"can't find package with name: " + target);
}
}
fn install_query(c: cargo, wd: &Path, target: ~str) {
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match c.dep_cache.find(target) {
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Some(inst) => {
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if inst {
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return;
}
}
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None => ()
}
c.dep_cache.insert(target, true);
if is_archive_path(target) {
install_file(c, wd, &Path(target));
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return;
} else if is_git_url(target) {
let reference = if c.opts.free.len() >= 4u {
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Some(c.opts.free[3u])
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} else {
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None
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};
install_git(c, wd, target, reference);
} else if !valid_pkg_name(target) && has_archive_extension(target) {
install_curl(c, wd, target);
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return;
} else {
let mut ps = copy target;
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match str::find_char(ps, '/') {
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option::Some(idx) => {
let source = str::slice(ps, 0u, idx);
ps = str::slice(ps, idx + 1u, str::len(ps));
if is_uuid(ps) {
install_uuid_specific(c, wd, source, ps);
} else {
install_named_specific(c, wd, source, ps);
}
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}
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option::None => {
if is_uuid(ps) {
install_uuid(c, wd, ps);
} else {
install_named(c, wd, ps);
}
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}
}
}
// FIXME (#2662): This whole dep_cache and current_install thing is
// a bit of a hack. It should be cleaned up in the future.
if target == c.current_install {
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for c.dep_cache.each |k, _v| {
c.dep_cache.remove(k);
}
c.current_install = ~"";
}
}
fn get_temp_workdir(c: cargo) -> Path {
match tempfile::mkdtemp(&c.workdir, "cargo") {
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Some(wd) => wd,
None => fail fmt!("needed temp dir: %s",
c.workdir.to_str())
}
}
fn cmd_install(c: cargo) unsafe {
let wd = get_temp_workdir(c);
if vec::len(c.opts.free) == 2u {
let cwd = os::getcwd();
let status = run::run_program(~"cp", ~[~"-R", cwd.to_str(),
wd.to_str()]);
if status != 0 {
fail fmt!("could not copy directory: %s", cwd.to_str());
}
install_source(c, &wd);
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return;
}
sync(c);
let query = c.opts.free[2];
c.current_install = query.to_str();
install_query(c, &wd, query);
}
fn sync(c: cargo) {
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for c.sources.each_key |k| {
let mut s = c.sources.get(k);
sync_one(c, s);
c.sources.insert(k, s);
}
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}
fn sync_one_file(c: cargo, dir: &Path, src: source) -> bool {
let name = src.name;
let srcfile = dir.push("source.json.new");
let destsrcfile = dir.push("source.json");
let pkgfile = dir.push("packages.json.new");
let destpkgfile = dir.push("packages.json");
let keyfile = dir.push("key.gpg");
let srcsigfile = dir.push("source.json.sig");
let sigfile = dir.push("packages.json.sig");
let url = Path(src.url);
let mut has_src_file = false;
if !os::copy_file(&url.push("packages.json"), &pkgfile) {
error(fmt!("fetch for source %s (url %s) failed",
name, url.to_str()));
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return false;
}
if os::copy_file(&url.push("source.json"), &srcfile) {
has_src_file = false;
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}
os::copy_file(&url.push("source.json.sig"), &srcsigfile);
os::copy_file(&url.push("packages.json.sig"), &sigfile);
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match copy src.key {
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Some(u) => {
let p = run::program_output(~"curl",
~[~"-f", ~"-s",
~"-o", keyfile.to_str(), u]);
if p.status != 0 {
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error(fmt!("fetch for source %s (key %s) failed", name, u));
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return false;
}
pgp::add(&c.root, &keyfile);
}
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_ => ()
}
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match (src.key, src.keyfp) {
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(Some(_), Some(f)) => {
let r = pgp::verify(&c.root, &pkgfile, &sigfile, f);
if !r {
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error(fmt!("signature verification failed for source %s",
name));
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return false;
}
if has_src_file {
let e = pgp::verify(&c.root, &srcfile, &srcsigfile, f);
if !e {
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error(fmt!("signature verification failed for source %s",
name));
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return false;
}
}
}
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_ => ()
}
copy_warn(&pkgfile, &destpkgfile);
if has_src_file {
copy_warn(&srcfile, &destsrcfile);
}
os::remove_file(&keyfile);
os::remove_file(&srcfile);
os::remove_file(&srcsigfile);
os::remove_file(&pkgfile);
os::remove_file(&sigfile);
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info(fmt!("synced source: %s", name));
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return true;
}
fn sync_one_git(c: cargo, dir: &Path, src: source) -> bool {
let name = src.name;
let srcfile = dir.push("source.json");
let pkgfile = dir.push("packages.json");
let keyfile = dir.push("key.gpg");
let srcsigfile = dir.push("source.json.sig");
let sigfile = dir.push("packages.json.sig");
let url = src.url;
fn rollback(name: ~str, dir: &Path, insecure: bool) {
fn msg(name: ~str, insecure: bool) {
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error(fmt!("could not rollback source: %s", name));
if insecure {
warn(~"a past security check failed on source " +
name + ~" and rolling back the source failed -"
+ ~" this source may be compromised");
}
}
if !os::change_dir(dir) {
msg(name, insecure);
}
else {
let p = run::program_output(~"git", ~[~"reset", ~"--hard",
~"HEAD@{1}"]);
if p.status != 0 {
msg(name, insecure);
}
}
}
if !os::path_exists(&dir.push(".git")) {
let p = run::program_output(~"git", ~[~"clone", url, dir.to_str()]);
if p.status != 0 {
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error(fmt!("fetch for source %s (url %s) failed", name, url));
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return false;
}
}
else {
if !os::change_dir(dir) {
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error(fmt!("fetch for source %s (url %s) failed", name, url));
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return false;
}
let p = run::program_output(~"git", ~[~"pull"]);
if p.status != 0 {
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error(fmt!("fetch for source %s (url %s) failed", name, url));
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return false;
}
}
let has_src_file = os::path_exists(&srcfile);
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match copy src.key {
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Some(u) => {
let p = run::program_output(~"curl",
~[~"-f", ~"-s",
~"-o", keyfile.to_str(), u]);
if p.status != 0 {
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error(fmt!("fetch for source %s (key %s) failed", name, u));
rollback(name, dir, false);
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return false;
}
pgp::add(&c.root, &keyfile);
}
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_ => ()
}
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match (src.key, src.keyfp) {
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(Some(_), Some(f)) => {
let r = pgp::verify(&c.root, &pkgfile, &sigfile, f);
if !r {
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error(fmt!("signature verification failed for source %s",
name));
rollback(name, dir, false);
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return false;
}
if has_src_file {
let e = pgp::verify(&c.root, &srcfile, &srcsigfile, f);
if !e {
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error(fmt!("signature verification failed for source %s",
name));
rollback(name, dir, false);
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return false;
}
}
}
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_ => ()
}
os::remove_file(&keyfile);
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info(fmt!("synced source: %s", name));
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return true;
}
fn sync_one_curl(c: cargo, dir: &Path, src: source) -> bool {
let name = src.name;
let srcfile = dir.push("source.json.new");
let destsrcfile = dir.push("source.json");
let pkgfile = dir.push("packages.json.new");
let destpkgfile = dir.push("packages.json");
let keyfile = dir.push("key.gpg");
let srcsigfile = dir.push("source.json.sig");
let sigfile = dir.push("packages.json.sig");
let mut url = src.url;
let smart = !str::ends_with(src.url, ~"packages.json");
let mut has_src_file = false;
if smart {
url += ~"/packages.json";
}
let p = run::program_output(~"curl",
~[~"-f", ~"-s",
~"-o", pkgfile.to_str(), url]);
if p.status != 0 {
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error(fmt!("fetch for source %s (url %s) failed", name, url));
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return false;
}
if smart {
url = src.url + ~"/source.json";
let p =
run::program_output(~"curl",
~[~"-f", ~"-s",
~"-o", srcfile.to_str(), url]);
if p.status == 0 {
has_src_file = true;
}
}
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match copy src.key {
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Some(u) => {
let p = run::program_output(~"curl",
~[~"-f", ~"-s",
~"-o", keyfile.to_str(), u]);
if p.status != 0 {
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error(fmt!("fetch for source %s (key %s) failed", name, u));
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return false;
}
pgp::add(&c.root, &keyfile);
}
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_ => ()
}
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match (src.key, src.keyfp) {
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(Some(_), Some(f)) => {
if smart {
url = src.url + ~"/packages.json.sig";
}
else {
url = src.url + ~".sig";
}
let mut p = run::program_output(~"curl",
~[~"-f", ~"-s", ~"-o",
sigfile.to_str(), url]);
if p.status != 0 {
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error(fmt!("fetch for source %s (sig %s) failed", name, url));
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return false;
}
let r = pgp::verify(&c.root, &pkgfile, &sigfile, f);
if !r {
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error(fmt!("signature verification failed for source %s",
name));
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return false;
}
if smart && has_src_file {
url = src.url + ~"/source.json.sig";
p = run::program_output(~"curl",
~[~"-f", ~"-s", ~"-o",
srcsigfile.to_str(), url]);
if p.status != 0 {
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error(fmt!("fetch for source %s (sig %s) failed",
name, url));
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return false;
}
let e = pgp::verify(&c.root, &srcfile, &srcsigfile, f);
if !e {
error(~"signature verification failed for " +
~"source " + name);
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return false;
}
}
}
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_ => ()
}
copy_warn(&pkgfile, &destpkgfile);
if smart && has_src_file {
copy_warn(&srcfile, &destsrcfile);
}
os::remove_file(&keyfile);
os::remove_file(&srcfile);
os::remove_file(&srcsigfile);
os::remove_file(&pkgfile);
os::remove_file(&sigfile);
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info(fmt!("synced source: %s", name));
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return true;
}
fn sync_one(c: cargo, src: source) {
let name = src.name;
let dir = c.sourcedir.push(name);
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info(fmt!("syncing source: %s...", name));
need_dir(&dir);
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let result = match src.method {
~"git" => sync_one_git(c, &dir, src),
~"file" => sync_one_file(c, &dir, src),
_ => sync_one_curl(c, &dir, src)
};
if result {
load_source_info(c, src);
load_source_packages(c, src);
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}
}
fn cmd_init(c: cargo) {
let srcurl = ~"http://www.rust-lang.org/cargo/sources.json";
let sigurl = ~"http://www.rust-lang.org/cargo/sources.json.sig";
let srcfile = c.root.push("sources.json.new");
let sigfile = c.root.push("sources.json.sig");
let destsrcfile = c.root.push("sources.json");
let p =
run::program_output(~"curl", ~[~"-f", ~"-s",
~"-o", srcfile.to_str(), srcurl]);
if p.status != 0 {
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error(fmt!("fetch of sources.json failed: %s", p.out));
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return;
}
let p =
run::program_output(~"curl", ~[~"-f", ~"-s",
~"-o", sigfile.to_str(), sigurl]);
if p.status != 0 {
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error(fmt!("fetch of sources.json.sig failed: %s", p.out));
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return;
}
let r = pgp::verify(&c.root, &srcfile, &sigfile,
pgp::signing_key_fp());
if !r {
error(fmt!("signature verification failed for '%s'",
srcfile.to_str()));
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return;
}
copy_warn(&srcfile, &destsrcfile);
os::remove_file(&srcfile);
os::remove_file(&sigfile);
info(fmt!("initialized .cargo in %s", c.root.to_str()));
}
fn print_pkg(s: source, p: package) {
let mut m = s.name + ~"/" + p.name + ~" (" + p.uuid + ~")";
if vec::len(p.tags) > 0u {
m = m + ~" [" + str::connect(p.tags, ~", ") + ~"]";
}
info(m);
if p.description != ~"" {
print(~" >> " + p.description + ~"\n")
}
}
fn print_source(s: source) {
info(s.name + ~" (" + s.url + ~")");
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let unsorted_pks = s.packages; // to prevent illegal borrow?
let pks = sort::merge_sort(sys::shape_lt, unsorted_pks);
let l = vec::len(pks);
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print(io::with_str_writer(|writer| {
let mut list = ~" >> ";
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do vec::iteri(pks) |i, pk| {
if str::len(list) > 78u {
writer.write_line(list);
list = ~" >> ";
}
list += pk.name + (if l - 1u == i { ~"" } else { ~", " });
}
writer.write_line(list);
}));
}
fn cmd_list(c: cargo) {
sync(c);
if vec::len(c.opts.free) >= 3u {
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do vec::iter_between(c.opts.free, 2u, vec::len(c.opts.free)) |name| {
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
} else {
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match c.sources.find(name) {
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Some(source) => {
print_source(source);
}
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None => {
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error(fmt!("no such source: %s", name));
}
}
}
}
} else {
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for c.sources.each_value |v| {
print_source(v);
}
}
}
fn cmd_search(c: cargo) {
if vec::len(c.opts.free) < 3u {
cmd_usage();
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return;
}
sync(c);
let mut n = 0;
let name = c.opts.free[2];
let tags = vec::slice(c.opts.free, 3u, vec::len(c.opts.free));
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for_each_package(c, |s, p| {
if (str::contains(p.name, name) || name == ~"*") &&
2012-06-30 18:19:07 -05:00
vec::all(tags, |t| vec::contains(p.tags, t) ) {
print_pkg(s, p);
n += 1;
}
});
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info(fmt!("found %d packages", n));
}
fn install_to_dir(srcfile: &Path, destdir: &Path) {
let newfile = destdir.push(option::get(srcfile.filename()));
let status = run::run_program(~"cp", ~[~"-r", srcfile.to_str(),
newfile.to_str()]);
if status == 0 {
info(fmt!("installed: '%s'", newfile.to_str()));
} else {
error(fmt!("could not install: '%s'", newfile.to_str()));
}
}
fn dump_cache(c: cargo) {
need_dir(&c.root);
let out = c.root.push("cache.json");
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let _root = json::Dict(map::str_hash());
if os::path_exists(&out) {
copy_warn(&out, &c.root.push("cache.json.old"));
}
}
fn dump_sources(c: cargo) {
if c.sources.size() < 1u {
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return;
}
need_dir(&c.root);
let out = c.root.push("sources.json");
if os::path_exists(&out) {
copy_warn(&out, &c.root.push("sources.json.old"));
}
match io::buffered_file_writer(&out) {
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result::Ok(writer) => {
let hash = map::str_hash();
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let root = json::Dict(hash);
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for c.sources.each |k, v| {
let chash = map::str_hash();
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let child = json::Dict(chash);
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chash.insert(~"url", json::String(@v.url));
chash.insert(~"method", json::String(@v.method));
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match copy v.key {
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Some(key) => {
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chash.insert(~"key", json::String(@key));
}
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_ => ()
}
2012-08-06 14:34:08 -05:00
match copy v.keyfp {
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Some(keyfp) => {
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chash.insert(~"keyfp", json::String(@keyfp));
}
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_ => ()
}
hash.insert(k, child);
}
writer.write_str(json::to_str(root));
}
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result::Err(e) => {
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error(fmt!("could not dump sources: %s", e));
}
}
}
fn copy_warn(srcfile: &Path, destfile: &Path) {
if !os::copy_file(srcfile, destfile) {
warn(fmt!("copying %s to %s failed",
srcfile.to_str(), destfile.to_str()));
}
}
fn cmd_sources(c: cargo) {
if vec::len(c.opts.free) < 3u {
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for c.sources.each_value |v| {
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info(fmt!("%s (%s) via %s",
v.name, v.url, v.method));
}
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return;
}
let action = c.opts.free[2u];
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match action {
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~"clear" => {
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for c.sources.each_key |k| {
c.sources.remove(k);
}
info(~"cleared sources");
}
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~"add" => {
if vec::len(c.opts.free) < 5u {
cmd_usage();
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return;
}
let name = c.opts.free[3u];
let url = c.opts.free[4u];
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
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return;
}
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if c.sources.contains_key(name) {
error(fmt!("source already exists: %s", name));
} else {
c.sources.insert(name, @{
name: name,
mut url: url,
mut method: assume_source_method(url),
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mut key: None,
mut keyfp: None,
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mut packages: ~[mut]
});
info(fmt!("added source: %s", name));
}
}
2012-08-03 21:59:04 -05:00
~"remove" => {
if vec::len(c.opts.free) < 4u {
cmd_usage();
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return;
}
let name = c.opts.free[3u];
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
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return;
}
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if c.sources.contains_key(name) {
c.sources.remove(name);
info(fmt!("removed source: %s", name));
} else {
error(fmt!("no such source: %s", name));
}
}
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~"set-url" => {
if vec::len(c.opts.free) < 5u {
cmd_usage();
2012-08-01 19:30:05 -05:00
return;
}
let name = c.opts.free[3u];
let url = c.opts.free[4u];
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
2012-08-01 19:30:05 -05:00
return;
}
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match c.sources.find(name) {
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Some(source) => {
let old = copy source.url;
let method = assume_source_method(url);
source.url = url;
source.method = method;
c.sources.insert(name, source);
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info(fmt!("changed source url: '%s' to '%s'", old, url));
}
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None => {
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error(fmt!("no such source: %s", name));
}
}
}
2012-08-03 21:59:04 -05:00
~"set-method" => {
if vec::len(c.opts.free) < 5u {
cmd_usage();
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return;
}
let name = c.opts.free[3u];
let method = c.opts.free[4u];
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
2012-08-01 19:30:05 -05:00
return;
}
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match c.sources.find(name) {
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Some(source) => {
let old = copy source.method;
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source.method = match method {
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~"git" => ~"git",
~"file" => ~"file",
_ => ~"curl"
};
c.sources.insert(name, source);
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info(fmt!("changed source method: '%s' to '%s'", old,
method));
}
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None => {
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error(fmt!("no such source: %s", name));
}
}
}
2012-08-03 21:59:04 -05:00
~"rename" => {
if vec::len(c.opts.free) < 5u {
cmd_usage();
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return;
}
let name = c.opts.free[3u];
let newn = c.opts.free[4u];
if !valid_pkg_name(name) {
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error(fmt!("'%s' is an invalid source name", name));
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return;
}
if !valid_pkg_name(newn) {
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error(fmt!("'%s' is an invalid source name", newn));
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return;
}
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match c.sources.find(name) {
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Some(source) => {
c.sources.remove(name);
c.sources.insert(newn, source);
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info(fmt!("renamed source: %s to %s", name, newn));
}
2012-08-20 14:23:37 -05:00
None => {
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error(fmt!("no such source: %s", name));
}
}
}
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_ => cmd_usage()
}
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}
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fn cmd_usage() {
print(~"Usage: cargo <cmd> [options] [args..]
e.g. cargo install <name>
Where <cmd> is one of:
init, install, list, search, sources,
uninstall, usage
Options:
-h, --help Display this message
<cmd> -h, <cmd> --help Display help for <cmd>
");
}
fn cmd_usage_init() {
print(~"cargo init
Re-initialize cargo in ~/.cargo. Clears all sources and then adds the
default sources from <www.rust-lang.org/sources.json>.");
}
fn cmd_usage_install() {
print(~"cargo install
cargo install [source/]<name>[@version]
cargo install [source/]<uuid>[@version]
cargo install <git url> [ref]
cargo install <tarball url>
cargo install <tarball file>
Options:
--test Run crate tests before installing
-g Install to the user level (~/.cargo/bin/ instead of
locally in ./.cargo/bin/ by default)
-G Install to the system level (/usr/local/lib/cargo/bin/)
Install a crate. If no arguments are supplied, it installs from
the current working directory. If a source is provided, only install
from that source, otherwise it installs from any source.");
}
fn cmd_usage_uninstall() {
print(~"cargo uninstall [source/]<name>[@version]
cargo uninstall [source/]<uuid>[@version]
cargo uninstall <meta-name>[@version]
cargo uninstall <meta-uuid>[@version]
Options:
-g Remove from the user level (~/.cargo/bin/ instead of
locally in ./.cargo/bin/ by default)
-G Remove from the system level (/usr/local/lib/cargo/bin/)
Remove a crate. If a source is provided, only remove
from that source, otherwise it removes from any source.
If a crate was installed directly (git, tarball, etc.), you can remove
it by metadata.");
}
fn cmd_usage_list() {
print(~"cargo list [sources..]
If no arguments are provided, list all sources and their packages.
If source names are provided, list those sources and their packages.
");
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}
fn cmd_usage_search() {
print(~"cargo search <query | '*'> [tags..]
Search packages.");
}
fn cmd_usage_sources() {
print(~"cargo sources
cargo sources add <name> <url>
cargo sources remove <name>
cargo sources rename <name> <new>
cargo sources set-url <name> <url>
cargo sources set-method <name> <method>
If no arguments are supplied, list all sources (but not their packages).
Commands:
add Add a source. The source method will be guessed
from the URL.
remove Remove a source.
rename Rename a source.
set-url Change the URL for a source.
set-method Change the method for a source.");
}
fn main(argv: ~[~str]) {
let o = build_cargo_options(argv);
if vec::len(o.free) < 2u {
cmd_usage();
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return;
}
if o.help {
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match o.free[1] {
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~"init" => cmd_usage_init(),
~"install" => cmd_usage_install(),
~"uninstall" => cmd_usage_uninstall(),
~"list" => cmd_usage_list(),
~"search" => cmd_usage_search(),
~"sources" => cmd_usage_sources(),
_ => cmd_usage()
}
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return;
}
if o.free[1] == ~"usage" {
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cmd_usage();
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return;
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}
let mut c = configure(o);
let home = c.root;
let first_time = os::path_exists(&home.push("sources.json"));
if !first_time && o.free[1] != ~"init" {
cmd_init(c);
// FIXME (#2662): shouldn't need to reconfigure
c = configure(o);
}
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match o.free[1] {
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~"init" => cmd_init(c),
~"install" => cmd_install(c),
~"uninstall" => cmd_uninstall(c),
~"list" => cmd_list(c),
~"search" => cmd_search(c),
~"sources" => cmd_sources(c),
_ => cmd_usage()
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}
dump_cache(c);
dump_sources(c);
}