2011-11-30 17:57:46 -06:00
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// cargo.rs - Rust package manager
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import rustc::syntax::{ast, codemap, visit};
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import rustc::syntax::parse::parser;
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2011-12-01 21:37:56 -06:00
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import std::fs;
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2011-12-08 22:41:29 -06:00
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import std::generic_os;
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2011-11-30 17:57:46 -06:00
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import std::io;
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2011-12-13 18:25:51 -06:00
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import option;
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import option::{none, some};
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2011-12-08 22:41:29 -06:00
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import std::os;
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2011-11-30 17:57:46 -06:00
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import std::run;
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2011-12-13 18:25:51 -06:00
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import str;
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2011-11-30 17:57:46 -06:00
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import std::tempfile;
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2011-12-13 18:25:51 -06:00
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import vec;
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2011-11-30 17:57:46 -06:00
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2011-12-08 22:50:25 -06:00
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type cargo = {
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root: str,
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bindir: str,
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libdir: str,
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workdir: str,
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fetchdir: str
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};
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2011-11-30 17:57:46 -06:00
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type pkg = {
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name: str,
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vers: str,
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uuid: str,
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desc: option::t<str>,
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2011-12-08 22:41:29 -06:00
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sigs: option::t<str>,
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crate_type: option::t<str>
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2011-11-30 17:57:46 -06:00
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};
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fn load_link(mis: [@ast::meta_item]) -> (option::t<str>,
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option::t<str>,
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option::t<str>) {
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let name = none;
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let vers = none;
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let uuid = none;
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for a: @ast::meta_item in mis {
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alt a.node {
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ast::meta_name_value(v, {node: ast::lit_str(s), span: _}) {
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alt v {
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"name" { name = some(s); }
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"vers" { vers = some(s); }
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"uuid" { uuid = some(s); }
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_ { }
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}
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}
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}
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}
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(name, vers, uuid)
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}
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fn load_pkg(filename: str) -> option::t<pkg> {
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let sess = @{cm: codemap::new_codemap(), mutable next_id: 0};
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let c = parser::parse_crate_from_crate_file(filename, [], sess);
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let name = none;
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let vers = none;
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let uuid = none;
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let desc = none;
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let sigs = none;
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let crate_type = none;
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for a in c.node.attrs {
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alt a.node.value.node {
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ast::meta_name_value(v, {node: ast::lit_str(s), span: _}) {
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alt v {
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"desc" { desc = some(v); }
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"sigs" { sigs = some(v); }
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"crate_type" { crate_type = some(v); }
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_ { }
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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);
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name = n;
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vers = v;
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uuid = u;
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}
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}
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}
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}
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alt (name, vers, uuid) {
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(some(name0), some(vers0), some(uuid0)) {
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some({
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name: name0,
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vers: vers0,
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uuid: uuid0,
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desc: desc,
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sigs: sigs,
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crate_type: crate_type})
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}
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_ { ret none; }
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}
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}
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fn print(s: str) {
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io::stdout().write_line(s);
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}
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fn rest(s: str, start: uint) -> str {
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if (start >= str::char_len(s)) {
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""
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} else {
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str::char_slice(s, start, str::char_len(s))
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}
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}
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2011-12-08 22:41:29 -06:00
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fn need_dir(s: str) {
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if fs::file_is_dir(s) { ret; }
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if !fs::make_dir(s, 0x1c0i32) {
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fail #fmt["can't make_dir %s", s];
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}
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}
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2011-12-08 22:50:25 -06:00
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fn configure() -> cargo {
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let p = alt generic_os::getenv("CARGO_ROOT") {
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some(_p) { _p }
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none. {
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alt generic_os::getenv("HOME") {
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2011-12-08 22:56:19 -06:00
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some(_q) { fs::connect(_q, ".cargo") }
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none. { fail "no CARGO_ROOT or HOME"; }
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}
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}
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};
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log #fmt["p: %s", p];
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2011-12-08 22:50:25 -06:00
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let c = {
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root: p,
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bindir: fs::connect(p, "bin"),
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libdir: fs::connect(p, "lib"),
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workdir: fs::connect(p, "work"),
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fetchdir: fs::connect(p, "fetch")
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};
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need_dir(c.root);
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need_dir(c.fetchdir);
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need_dir(c.workdir);
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need_dir(c.libdir);
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need_dir(c.bindir);
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2011-12-08 22:50:25 -06:00
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c
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}
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2011-12-08 22:50:25 -06:00
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fn install_one_crate(c: cargo, path: str, cf: str, p: pkg) {
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let name = fs::basename(cf);
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let ri = str::index(name, '.' as u8);
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if ri != -1 {
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name = str::slice(name, 0u, ri as uint);
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}
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log #fmt["Installing: %s", name];
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let old = fs::list_dir(".");
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run::run_program("rustc", [cf]);
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let new = fs::list_dir(".");
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let created = vec::filter::<str>({ |n| !vec::member::<str>(n, old) }, new);
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for ct: str in created {
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if str::ends_with(ct, os::exec_suffix()) {
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log #fmt[" bin: %s", ct];
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// FIXME: need libstd fs::copy or something
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run::run_program("cp", [ct, c.bindir]);
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} else {
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log #fmt[" lib: %s", ct];
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run::run_program("cp", [ct, c.libdir]);
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2011-12-08 22:41:29 -06:00
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}
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}
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}
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2011-12-08 22:50:25 -06:00
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fn install_source(c: cargo, path: str) {
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log #fmt["source: %s", path];
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fs::change_dir(path);
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let contents = fs::list_dir(".");
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log #fmt["contents: %s", str::connect(contents, ", ")];
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2011-12-08 22:41:29 -06:00
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let cratefiles = vec::filter::<str>({ |n| str::ends_with(n, ".rc") }, contents);
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if vec::is_empty(cratefiles) {
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fail "This doesn't look like a rust package (no .rc files).";
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}
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2011-12-08 22:41:29 -06:00
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for cf: str in cratefiles {
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let p = load_pkg(cf);
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alt p {
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none. { cont; }
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some(_p) {
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install_one_crate(c, path, cf, _p);
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}
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}
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2011-12-01 21:37:56 -06:00
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}
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}
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2011-12-08 23:39:41 -06:00
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fn install_git(c: cargo, wd: str, _path: str) {
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run::run_program("git", ["clone", _path, wd]);
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install_source(c, wd);
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2011-12-08 23:34:06 -06:00
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}
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2011-12-08 23:39:41 -06:00
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fn install_file(c: cargo, wd: str, _path: str) {
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run::run_program("tar", ["-x", "--strip-components=1",
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"-C", wd, "-f", _path]);
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install_source(c, wd);
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}
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2011-12-08 22:50:25 -06:00
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fn cmd_install(c: cargo, argv: [str]) {
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2011-11-30 17:57:46 -06:00
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// cargo install <pkg>
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if vec::len(argv) < 3u {
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cmd_usage();
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ret;
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}
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2011-12-08 23:39:41 -06:00
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let wd = alt tempfile::mkdtemp(c.workdir + fs::path_sep(), "") {
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some(_wd) { _wd }
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none. { fail "needed temp dir"; }
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};
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2011-12-08 23:34:06 -06:00
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if str::starts_with(argv[2], "git:") {
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2011-12-08 23:39:41 -06:00
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install_git(c, wd, argv[2]);
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} else if str::starts_with(argv[2], "github:") {
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let path = rest(argv[2], 7u);
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install_git(c, wd, "git://github.com/" + path);
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} else if str::starts_with(argv[2], "file:") {
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let path = rest(argv[2], 5u);
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2011-12-08 23:39:41 -06:00
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install_file(c, wd, path);
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2011-12-01 21:37:56 -06:00
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}
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2011-11-30 17:57:46 -06:00
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}
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fn cmd_usage() {
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print("Usage: cargo <verb> [args...]");
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}
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fn main(argv: [str]) {
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if vec::len(argv) < 2u {
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cmd_usage();
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ret;
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}
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2011-12-08 22:50:25 -06:00
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let c = configure();
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2011-11-30 17:57:46 -06:00
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alt argv[1] {
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2011-12-08 22:50:25 -06:00
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"install" { cmd_install(c, argv); }
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2011-11-30 17:57:46 -06:00
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"usage" { cmd_usage(); }
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_ { cmd_usage(); }
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}
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}
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