stop using custom rustc/cargo

Cargo.toml

@@ -12,11 +12,11 @@ log = "0.3"
 rustc-serialize = "0.3"
 regex = "0.2"
 clap = "2"
-crates-index-diff = "3"
-git2 = "0.6"
+crates-index-diff = "4"
+git2 = "0.7"
 time = "0.1"
-reqwest = "0.5"
-semver = "0.6"
+reqwest = "0.9"
+semver = "0.9"
 slug = "=0.1.1"
 env_logger = "0.4"
 magic = "0.12"
@@ -25,10 +25,11 @@ r2d2_postgres = "0.12"
 url = "1.4"
 libc = "0.2"
 badge = { version = "0", path = "src/web/badge" }
-error-chain = "0.10"
+failure = "0.1"
 comrak = { version = "0.2.10", default-features = false }
 toml = "0.4"
 html5ever = "0.22"
+cargo = { git = "https://github.com/rust-lang/cargo.git" }
 
 # iron dependencies
 iron = "0.5"
@@ -37,10 +38,6 @@ handlebars-iron = "0.22"
 params = "0.6"
 staticfile = { version = "0.4", features = [ "cache" ] }
 
-[dependencies.cargo]
-git = "https://github.com/onur/cargo.git"
-branch = "docs.rs"
-
 [dependencies.postgres]
 version = "0.14"
 features = [ "with-time", "with-rustc-serialize" ]
@@ -50,8 +47,11 @@ tempdir = "0.3"
 
 [build-dependencies]
 time = "0.1"
-git2 = "0.6"
-sass-rs = "0.0.18"
+git2 = "0.7"
+sass-rs = "0.2"
+
+[patch.crates-io]
+failure = { git = "https://github.com/rust-lang-nursery/failure.git" }
 
 [[bin]]
 name = "cratesfyi"

build.rs

@@ -40,10 +40,10 @@ fn get_git_hash() -> Option<String> {
 
 
 fn compile_sass() {
-    use sass_rs::sass_context::SassFileContext;
+    use sass_rs::Context;
 
-    let mut file_context = SassFileContext::new(concat!(env!("CARGO_MANIFEST_DIR"),
-                                                        "/templates/style.scss"));
+    let mut file_context = Context::new_file(concat!(env!("CARGO_MANIFEST_DIR"),
+                                                     "/templates/style.scss")).unwrap();
     let css = file_context.compile().unwrap();
     let dest_path = Path::new(&env::var("OUT_DIR").unwrap()).join("style.css");
     let mut file = File::create(&dest_path).unwrap();

src/db/add_package.rs

@@ -13,12 +13,12 @@ use cargo::core::{Package, TargetKind};
 use rustc_serialize::json::{Json, ToJson};
 use slug::slugify;
 use reqwest::Client;
-use reqwest::header::{Accept, qitem};
+use reqwest::header::ACCEPT;
 use semver;
 use postgres::Connection;
 use time;
 use error::Result;
-
+use failure::err_msg;
 
 /// Adds a package into database.
 ///
@@ -197,11 +197,11 @@ pub fn add_build_into_database(conn: &Connection,
 
 fn initialize_package_in_database(conn: &Connection, pkg: &Package) -> Result<i32> {
     let mut rows = try!(conn.query("SELECT id FROM crates WHERE name = $1",
-                                   &[&pkg.manifest().name()]));
+                                   &[&pkg.manifest().name().as_str()]));
     // insert crate into database if it is not exists
     if rows.len() == 0 {
         rows = try!(conn.query("INSERT INTO crates (name) VALUES ($1) RETURNING id",
-                               &[&pkg.manifest().name()]));
+                               &[&pkg.manifest().name().as_str()]));
     }
     Ok(rows.get(0).get(0))
 }
@@ -212,7 +212,7 @@ fn initialize_package_in_database(conn: &Connection, pkg: &Package) -> Result<i3
 fn convert_dependencies(pkg: &Package) -> Vec<(String, String)> {
     let mut dependencies: Vec<(String, String)> = Vec::new();
     for dependency in pkg.manifest().dependencies() {
-        let name = dependency.name().to_string();
+        let name = dependency.package_name().to_string();
         let version = format!("{}", dependency.version_req());
         dependencies.push((name, version));
     }
@@ -222,7 +222,7 @@ fn convert_dependencies(pkg: &Package) -> Vec<(String, String)> {
 
 /// Reads readme if there is any read defined in Cargo.toml of a Package
 fn get_readme(pkg: &Package) -> Result<Option<String>> {
-    let readme_path = PathBuf::from(try!(source_path(&pkg).ok_or("File not found")))
+    let readme_path = PathBuf::from(try!(source_path(&pkg).ok_or_else(|| err_msg("File not found"))))
         .join(pkg.manifest().metadata().readme.clone().unwrap_or("README.md".to_owned()));
 
     if !readme_path.exists() {
@@ -237,11 +237,11 @@ fn get_readme(pkg: &Package) -> Result<Option<String>> {
 
 
 fn get_rustdoc(pkg: &Package) -> Result<Option<String>> {
-    if pkg.manifest().targets()[0].src_path().is_absolute() {
-        read_rust_doc(pkg.manifest().targets()[0].src_path())
+    if pkg.manifest().targets()[0].src_path().path().is_absolute() {
+        read_rust_doc(pkg.manifest().targets()[0].src_path().path())
     } else {
-        let mut path = PathBuf::from(try!(source_path(&pkg).ok_or("File not found")));
-        path.push(pkg.manifest().targets()[0].src_path());
+        let mut path = PathBuf::from(try!(source_path(&pkg).ok_or_else(|| err_msg("File not found"))));
+        path.push(pkg.manifest().targets()[0].src_path().path());
         read_rust_doc(path.as_path())
     }
 }
@@ -279,41 +279,41 @@ fn get_release_time_yanked_downloads
                       pkg.manifest().name());
     // FIXME: There is probably better way to do this
     //        and so many unwraps...
-    let client = try!(Client::new());
+    let client = Client::new();
     let mut res = try!(client.get(&url[..])
-        .header(Accept(vec![qitem("application/json".parse().unwrap())]))
+        .header(ACCEPT, "application/json")
         .send());
     let mut body = String::new();
     res.read_to_string(&mut body).unwrap();
     let json = Json::from_str(&body[..]).unwrap();
     let versions = try!(json.as_object()
         .and_then(|o| o.get("versions"))
         .and_then(|v| v.as_array())
-        .ok_or("Not a JSON object"));
+        .ok_or_else(|| err_msg("Not a JSON object")));
 
     let (mut release_time, mut yanked, mut downloads) = (None, None, None);
 
     for version in versions {
-        let version = try!(version.as_object().ok_or("Not a JSON object"));
+        let version = try!(version.as_object().ok_or_else(|| err_msg("Not a JSON object")));
         let version_num = try!(version.get("num")
             .and_then(|v| v.as_string())
-            .ok_or("Not a JSON object"));
+            .ok_or_else(|| err_msg("Not a JSON object")));
 
         if &semver::Version::parse(version_num).unwrap() == pkg.manifest().version() {
             let release_time_raw = try!(version.get("created_at")
                 .and_then(|c| c.as_string())
-                .ok_or("Not a JSON object"));
+                .ok_or_else(|| err_msg("Not a JSON object")));
             release_time = Some(time::strptime(release_time_raw, "%Y-%m-%dT%H:%M:%S")
                 .unwrap()
                 .to_timespec());
 
             yanked = Some(try!(version.get("yanked")
                 .and_then(|c| c.as_boolean())
-                .ok_or("Not a JSON object")));
+                .ok_or_else(|| err_msg("Not a JSON object"))));
 
             downloads = Some(try!(version.get("downloads")
                 .and_then(|c| c.as_i64())
-                .ok_or("Not a JSON object")) as i32);
+                .ok_or_else(|| err_msg("Not a JSON object"))) as i32);
 
             break;
         }
@@ -387,9 +387,9 @@ fn add_owners_into_database(conn: &Connection, pkg: &Package, crate_id: &i32) ->
     // owners available in: https://crates.io/api/v1/crates/rand/owners
     let owners_url = format!("https://crates.io/api/v1/crates/{}/owners",
                              &pkg.manifest().name());
-    let client = try!(Client::new());
+    let client = Client::new();
     let mut res = try!(client.get(&owners_url[..])
-        .header(Accept(vec![qitem("application/json".parse().unwrap())]))
+        .header(ACCEPT, "application/json")
         .send());
     // FIXME: There is probably better way to do this
     //        and so many unwraps...

src/db/file.rs

@@ -11,7 +11,7 @@ use rustc_serialize::json::{Json, ToJson};
 use std::fs::File;
 use std::io::Read;
 use error::Result;
-
+use failure::err_msg;
 
 
 fn file_path(prefix: &str, name: &str) -> String {
@@ -49,7 +49,7 @@ pub fn get_file_list<P: AsRef<Path>>(path: P) -> Result<Vec<String>> {
     let mut files: Vec<String> = Vec::new();
 
     if !path.exists() {
-        return Err("File not found".into());
+        return Err(err_msg("File not found"));
     } else if path.is_file() {
         path.file_name()
             .and_then(|name| name.to_str())

src/docbuilder/chroot_builder.rs

@@ -5,12 +5,13 @@ use utils::{get_package, source_path, copy_dir, copy_doc_dir,
             update_sources, parse_rustc_version, command_result};
 use db::{connect_db, add_package_into_database, add_build_into_database, add_path_into_database};
 use cargo::core::Package;
+use cargo::util::CargoResultExt;
 use std::process::Command;
 use std::path::PathBuf;
 use std::fs::remove_dir_all;
 use postgres::Connection;
 use rustc_serialize::json::Json;
-use error::{Result, ResultExt};
+use error::Result;
 
 
 /// List of targets supported by docs.rs
@@ -115,7 +116,6 @@ impl DocBuilder {
 
     /// Builds documentation of a package with cratesfyi in chroot environment
     fn build_package_in_chroot(&self, package: &Package) -> ChrootBuilderResult {
-        use std::error::Error as StdError;
         debug!("Building package in chroot");
         let (rustc_version, cratesfyi_version) = self.get_versions();
         let cmd = format!("cratesfyi doc {} ={}",
@@ -134,7 +134,7 @@ impl DocBuilder {
             }
             Err(e) => {
                 ChrootBuilderResult {
-                    output: e.description().to_owned(),
+                    output: e.to_string(),
                     build_success: false,
                     have_doc: false,
                     have_examples: self.have_examples(&package),
@@ -239,7 +239,7 @@ impl DocBuilder {
         debug!("Cleaning package");
         use std::fs::remove_dir_all;
         let documentation_path = PathBuf::from(&self.options.destination)
-            .join(package.manifest().name());
+            .join(package.manifest().name().as_str());
         let source_path = source_path(&package).unwrap();
         // Some crates don't have documentation, so we don't care if removing_dir_all fails
         let _ = self.remove_build_dir();
@@ -356,7 +356,7 @@ impl DocBuilder {
         let rustc_version = parse_rustc_version(&res.rustc_version)?;
 
         if !res.build_success {
-            return Err(format!("Failed to build empty crate for: {}", res.rustc_version).into());
+            return Err(format_err!("Failed to build empty crate for: {}", res.rustc_version));
         }
 
         info!("Copying essential files for: {}", res.rustc_version);

src/docbuilder/crates.rs

@@ -5,7 +5,7 @@ use std::fs;
 use std::path::PathBuf;
 use rustc_serialize::json::Json;
 use error::Result;
-
+use failure::err_msg;
 
 fn crates_from_file<F>(path: &PathBuf, func: &mut F) -> Result<()>
     where F: FnMut(&str, &str) -> ()
@@ -28,13 +28,13 @@ fn crates_from_file<F>(path: &PathBuf, func: &mut F) -> Result<()>
             Err(_) => continue,
         };
 
-        let obj = try!(data.as_object().ok_or("Not a JSON object"));
+        let obj = try!(data.as_object().ok_or_else(|| err_msg("Not a JSON object")));
         let crate_name = try!(obj.get("name")
             .and_then(|n| n.as_string())
-            .ok_or("`name` not found in JSON object"));
+            .ok_or_else(|| err_msg("`name` not found in JSON object")));
         let vers = try!(obj.get("vers")
             .and_then(|n| n.as_string())
-            .ok_or("`vers` not found in JSON object"));
+            .ok_or_else(|| err_msg("`vers` not found in JSON object")));
 
         // Skip yanked crates
         if obj.get("yanked").and_then(|n| n.as_boolean()).unwrap_or(false) {
@@ -63,7 +63,7 @@ pub fn crates_from_path<F>(path: &PathBuf, func: &mut F) -> Result<()>
 {
 
     if !path.is_dir() {
-        return Err("Not a directory".into());
+        return Err(err_msg("Not a directory"));
     }
 
     for file in try!(path.read_dir()) {

src/docbuilder/metadata.rs

@@ -3,7 +3,7 @@ use std::path::Path;
 use cargo::core::Package;
 use toml::Value;
 use error::Result;
-
+use failure::err_msg;
 
 /// Metadata for custom builds
 ///
@@ -61,14 +61,14 @@ pub struct Metadata {
 
 impl Metadata {
     pub fn from_package(pkg: &Package) -> Result<Metadata> {
-        let src_path = pkg.manifest_path().parent().ok_or("Source path not available")?;
+        let src_path = pkg.manifest_path().parent().ok_or_else(|| err_msg("Source path not available"))?;
         for c in ["Cargo.toml.orig", "Cargo.toml"].iter() {
             let manifest_path = src_path.clone().join(c);
             if manifest_path.exists() {
                 return Ok(Metadata::from_manifest(manifest_path));
             }
         }
-        Err("Manifest not found".into())
+        Err(err_msg("Manifest not found"))
     }
 
     pub fn from_manifest<P: AsRef<Path>>(path: P) -> Metadata {

src/docbuilder/options.rs

@@ -3,7 +3,7 @@
 use std::{env, fmt};
 use std::path::PathBuf;
 use error::Result;
-
+use failure::err_msg;
 
 #[derive(Clone)]
 pub struct DocBuilderOptions {
@@ -94,16 +94,16 @@ impl DocBuilderOptions {
 
     pub fn check_paths(&self) -> Result<()> {
         if !self.destination.exists() {
-            return Err("Destination path not exists".into());
+            return Err(err_msg("Destination path not exists"));
         }
         if !self.chroot_path.exists() {
-            return Err("Chroot path not exists".into());
+            return Err(err_msg("Chroot path not exists"));
         }
         if !self.crates_io_index_path.exists() {
-            return Err("crates.io-index path not exists".into());
+            return Err(err_msg("crates.io-index path not exists"));
         }
         if !self.crates_io_index_path.exists() {
-            return Err("Logs path not exists".into());
+            return Err(err_msg("Logs path not exists"));
         }
         Ok(())
     }

src/error.rs

@@ -1,25 +1,7 @@
 //! Errors used in cratesfyi
 
-use std::io;
-use rustc_serialize::json;
-use postgres;
-use cargo;
-use reqwest;
-use magic::MagicError;
-use git2;
-use regex;
+use std::result::Result as StdResult;
 
+pub use failure::{Error, ResultExt};
 
-error_chain! {
-    foreign_links {
-        IoError(io::Error);
-        JsonBuilderError(json::BuilderError);
-        PostgresConnectError(postgres::error::ConnectError);
-        PostgresError(postgres::error::Error);
-        ReqwestError(reqwest::Error);
-        Git2Error(git2::Error);
-        MagicError(MagicError);
-        CargoError(Box<cargo::CargoError>);
-        RegexError(regex::Error);
-    }
-}
+pub type Result<T> = StdResult<T, Error>;

src/lib.rs

@@ -4,7 +4,7 @@
 #[macro_use]
 extern crate log;
 #[macro_use]
-extern crate error_chain;
+extern crate failure;
 extern crate cargo;
 extern crate regex;
 extern crate rustc_serialize;