Remove unwrap() in favor of better error handling
Replace with ? or expect() as appropriate.
Delete the cratest tool rather than maintain it.
Change-Id: Idf74afd3f301bf3c9fff51d66365166c6e5aab7b
diff --git a/Cargo.lock b/Cargo.lock
index c25d807..47cc2ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,20 +1,6 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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diff --git a/Cargo.toml b/Cargo.toml
index 1f4325b..f64047f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
[package]
name = "fargo"
version = "0.2.0"
-authors = ["Rob Tsuk <robtsuk@google.com>"]
+authors = ["rust-fuchsia@fuchsia.com"]
edition = "2018"
[dependencies]
@@ -19,4 +19,4 @@
doc = false
[workspace]
-members = [ "cratest", "fargo-test",]
+members = [ "fargo-test" ]
diff --git a/cratest/Cargo.toml b/cratest/Cargo.toml
deleted file mode 100644
index f900718..0000000
--- a/cratest/Cargo.toml
+++ /dev/null
@@ -1,14 +0,0 @@
-[package]
-name = "cratest"
-version = "0.1.0"
-authors = ["Tim Kilbourn <tkilbourn@google.com>"]
-
-[dependencies]
-clap = "2"
-git2 = "0.6"
-rayon = "0.8"
-reqwest = "0.7"
-serde = "1.0"
-serde_json = "1.0"
-serde_derive = "1.0"
-tempdir = "0.3"
diff --git a/cratest/src/main.rs b/cratest/src/main.rs
deleted file mode 100644
index 7503ff6..0000000
--- a/cratest/src/main.rs
+++ /dev/null
@@ -1,171 +0,0 @@
-// Copyright 2017 The Fuchsia Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#[macro_use]
-extern crate clap;
-extern crate git2;
-extern crate rayon;
-extern crate reqwest;
-#[macro_use]
-extern crate serde_derive;
-extern crate serde_json;
-extern crate tempdir;
-
-use git2::Repository;
-use rayon::prelude::*;
-use std::collections::HashSet;
-use std::fs;
-use std::io::Read;
-use std::iter::FromIterator;
-use std::process::Command;
-use tempdir::TempDir;
-
-// If unspecified, test this many crates
-const DEFAULT_NUM: usize = 5;
-
-#[derive(Debug, Deserialize)]
-struct CrateInfo {
- id: String,
- name: String,
- downloads: u64,
- max_version: String,
- description: String,
- homepage: Option<String>,
- repository: String,
-}
-
-#[derive(Debug, Deserialize)]
-struct Crates {
- crates: Vec<CrateInfo>,
-}
-
-#[derive(Debug, Eq, PartialEq)]
-enum TestResult {
- Success,
- Failure,
- Excluded,
-}
-
-#[derive(Debug)]
-struct CrateResult {
- id: String,
- res: TestResult,
-}
-
-fn main() {
- let matches = clap_app!(cratest =>
- (version: "1.0")
- (author: "Tim Kilbourn <tkilbourn@google.com>")
- (about: "Tests the top crates from crates.io on Fuchsia")
- (@arg num: -n +takes_value "Number of crates to test")
- (@arg excludes: -x --exclude ... +takes_value
- "Exclude crates whose name exactly match")
- (@arg start: --start "Starts a Fuchsia emulator")
- (@arg restart: --restart "Stop all Fuchsia emulators and start a new one")
- (@arg keep: --keep "Keeps the temp dir after exiting")
- (@arg verbose: -v --verbose "Print verbose output while performing commands")
- )
- .get_matches();
-
- let num = value_t!(matches, "num", usize).unwrap_or(DEFAULT_NUM);
- let verbose = matches.is_present("verbose");
- let restart_emu = matches.is_present("restart");
- let start_emu = matches.is_present("start");
- let keep_tmp = matches.is_present("keep");
- let excludes = HashSet::<String>::from_iter(
- values_t!(matches, "excludes", String).unwrap_or_else(|_| Vec::new()),
- );
-
- println!("Running cratest on the top {} crates from crates.io...", num);
-
- let crate_uri: String = [
- "https://crates.io/api/v1/crates?page=1&per_page=",
- &format!("{}", num),
- "&sort=downloads",
- ]
- .join("")
- .into();
-
- if verbose {
- println!("Downloading crates from {}", crate_uri);
- if !excludes.is_empty() {
- println!("Excluding {} crates", excludes.len());
- }
- }
- let mut resp = reqwest::get(&crate_uri).unwrap();
- assert!(resp.status().is_success());
-
- let mut content = String::new();
- resp.read_to_string(&mut content).unwrap();
-
- let res: Crates = serde_json::from_str(&content).unwrap();
-
- if restart_emu {
- Command::new("fargo").arg("restart").status().expect("failed to run fargo restart");
- } else if start_emu {
- Command::new("fargo").arg("start").status().expect("failed to run fargo start");
- }
-
- let tmpdir = TempDir::new("cratest").unwrap();
-
- let results: Vec<CrateResult> = res
- .crates
- .par_iter()
- .map(|cr| {
- if excludes.contains(&cr.id) {
- if verbose {
- println!("Skipping {} (excluded)", &cr.id);
- }
- return CrateResult { id: cr.id.clone(), res: TestResult::Excluded };
- }
- let crdir = tmpdir.path().join(&cr.id);
- fs::create_dir(&crdir).unwrap();
- Repository::clone(&cr.repository, &crdir).unwrap();
-
- let output = Command::new("fargo")
- .arg("test")
- .current_dir(&crdir)
- .output()
- .expect("failed to execute fargo test");
- println!("crate: {}", &cr.id);
- println!("status: {}", output.status);
- if verbose {
- println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
- println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
- }
-
- CrateResult {
- id: cr.id.clone(),
- res: if output.status.success() {
- TestResult::Success
- } else {
- TestResult::Failure
- },
- }
- })
- .collect();
-
- let (succ, fail, excl) = results.into_iter().fold(
- (Vec::new(), Vec::new(), Vec::new()),
- |(mut s, mut f, mut e), r| {
- match r.res {
- TestResult::Success => s.push(r.id),
- TestResult::Failure => f.push(r.id),
- TestResult::Excluded => e.push(r.id),
- }
- (s, f, e)
- },
- );
-
- for &(hdr, ref results) in &[("Successes", succ), ("Failures", fail), ("Excluded", excl)] {
- if !results.is_empty() {
- println!("{}({}): {:?}", hdr, results.len(), results);
- }
- }
-
- if keep_tmp {
- let tmppath = tmpdir.into_path();
- println!("Temp output left at {}", tmppath.to_string_lossy());
- }
-}
diff --git a/fargo-test/Cargo.toml b/fargo-test/Cargo.toml
index f591821..c769e61 100644
--- a/fargo-test/Cargo.toml
+++ b/fargo-test/Cargo.toml
@@ -1,7 +1,8 @@
[package]
name = "fargo-test"
version = "0.1.0"
-authors = ["Rob Tsuk <robtsuk@google.com>"]
+authors = ["rust-fuchsia@fuchsia.com"]
+edition = "2018"
[dependencies]
fuchsia-zircon = "0.2.0"
diff --git a/fargo-test/src/main.rs b/fargo-test/src/main.rs
index 367f7b2..8a4d087 100644
--- a/fargo-test/src/main.rs
+++ b/fargo-test/src/main.rs
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-extern crate fuchsia_zircon as zircon;
-
fn main() {
println!("Hello, world!");
println!("Hello, world!");
@@ -17,7 +15,7 @@
#[cfg(test)]
mod tests {
- use zircon::{Channel, ChannelOpts};
+ use fuchsia_zircon::{Channel, ChannelOpts};
#[test]
fn noop_test() {}
@@ -25,6 +23,6 @@
#[test]
fn channel_call_test() {
// Create a pair of channels
- let (p1, p2) = Channel::create(ChannelOpts::Normal).unwrap();
+ let (p1, p2) = Channel::create(ChannelOpts::Normal).expect("Channel::create failed");
}
}
diff --git a/src/build_rustc.rs b/src/build_rustc.rs
index 0ca140d..6e463d6 100644
--- a/src/build_rustc.rs
+++ b/src/build_rustc.rs
@@ -94,10 +94,10 @@
)?;
let x_py = rust_root.join("x.py");
let common_c_flags =
- format!("--sysroot={} --target={}-fuchsia", sysroot_path.to_str().unwrap(), triple_cpu);
+ format!("--sysroot={} --target={}-fuchsia", sysroot_path.to_string_lossy(), triple_cpu);
let ld_flags = format!(
"--sysroot={} --target={}-fuchsia -L{}",
- sysroot_path.to_str().unwrap(),
+ sysroot_path.to_string_lossy(),
triple_cpu,
sysroot_lib_path.to_string_lossy()
);
diff --git a/src/cross.rs b/src/cross.rs
index 18eb065..fb0f61e 100644
--- a/src/cross.rs
+++ b/src/cross.rs
@@ -56,9 +56,9 @@
.context("run_configure: canonicalize working directory")?;
let cross_root = cross_root(target_options)?;
- let cross_root_str = cross_root.to_str().unwrap();
+ let cross_root_str = cross_root.to_string_lossy();
let cross_lib = cross_root.join("lib");
- let cross_lib_str = cross_lib.to_str().unwrap();
+ let cross_lib_str = cross_lib.to_string_lossy();
let sysroot_path = sysroot_path(target_options)?;
@@ -76,8 +76,8 @@
let common_c_flags = format!(
"--sysroot={} --target=x86_64-fuchsia -fPIC -I{}",
- sysroot_path.to_str().unwrap(),
- cross_root.join("include").to_str().unwrap()
+ sysroot_path.to_string_lossy(),
+ cross_root.join("include").to_string_lossy()
);
let prev_flags = env::var("LDFLAGS").unwrap_or_default();
diff --git a/src/device.rs b/src/device.rs
index f84caa1..302fed6 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -18,12 +18,12 @@
args.push(device_name);
}
let netaddr_result = Command::new(netaddr_binary).args(args).output()?;
- let result = str::from_utf8(&netaddr_result.stdout).unwrap().trim().to_string();
+ let result = str::from_utf8(&netaddr_result.stdout)?.trim().to_string();
if verbose {
println!("netaddr status = {}, result = {}", netaddr_result.status, result);
}
if !netaddr_result.status.success() {
- let err_str = str::from_utf8(&netaddr_result.stderr).unwrap().trim().to_string();
+ let err_str = str::from_utf8(&netaddr_result.stderr)?.trim().to_string();
bail!("netaddr failed with status {:?}: {}", netaddr_result.status, err_str);
}
Ok(result)
diff --git a/src/lib.rs b/src/lib.rs
index a1bddee..3a94f26 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,7 +30,7 @@
use crate::utils::strip_binary;
use clap::{App, AppSettings, Arg, SubCommand};
-use failure::{bail, err_msg, Error, ResultExt};
+use failure::{bail, err_msg, format_err, Error, ResultExt};
use std::fs;
use std::fs::File;
use std::io::Write;
@@ -48,7 +48,13 @@
if verbose {
println!("netaddr {}", netaddr);
}
- let destination_path = format!("/tmp/{}", source_path.file_name().unwrap().to_string_lossy());
+ let destination_path = format!(
+ "/tmp/{}",
+ source_path
+ .file_name()
+ .ok_or(format_err!("file_name failed on {:#?}", source_path))?
+ .to_string_lossy()
+ );
println!("copying {} to {}", source_path.to_string_lossy(), destination_path);
scp_to_device(verbose, config, &netaddr, &source_path, &destination_path)?;
Ok(destination_path)
@@ -167,8 +173,8 @@
args.push(param);
}
- if target_params.is_some() {
- let formatted_target_params = format!("--args={}", target_params.unwrap());
+ if let Some(target_params) = target_params {
+ let formatted_target_params = format!("--args={}", target_params);
run_cargo(
&run_cargo_options,
"test",
@@ -427,7 +433,7 @@
) -> Result<String, Error> {
let target_triple = get_target_triple(target_options);
let sysroot_lib_pathbuf = sysroot_as_path.join("lib");
- let sysroot_lib = sysroot_lib_pathbuf.to_str().unwrap();
+ let sysroot_lib = sysroot_lib_pathbuf.to_string_lossy();
let clang_resource_lib = clang_resource_dir(&target_triple)?.join(&target_triple).join("lib");
let mut rust_flags = vec![
@@ -436,9 +442,9 @@
"-Clink-arg=--pack-dyn-relocs=relr".to_string(),
"-Clink-arg=--threads".to_string(),
format!("-Clink-arg=-L{}", sysroot_lib),
- format!("-Clink-arg=-L{}", clang_resource_lib.to_str().unwrap()),
- format!("-Clink-arg=--sysroot={}", sysroot_as_path.to_str().unwrap()),
- format!("-Lnative={}", shared_libraries_path(target_options)?.to_str().unwrap()),
+ format!("-Clink-arg=-L{}", clang_resource_lib.to_string_lossy()),
+ format!("-Clink-arg=--sysroot={}", sysroot_as_path.to_string_lossy()),
+ format!("-Lnative={}", shared_libraries_path(target_options)?.to_string_lossy()),
];
if get_triple_cpu(target_options) == "aarch64" {
@@ -465,15 +471,15 @@
let run_arg = format!("--{}", RUN_WITH_RUN);
let nocapture_arg = format!("--{}", NOCAPTURE);
- let fargo_path = if runner.is_some() {
- runner.unwrap()
+ let fargo_path = if let Some(runner) = runner {
+ runner
} else {
fs::canonicalize(std::env::current_exe()?)?
};
- let mut runner_args = vec![fargo_path
- .to_str()
- .ok_or_else(|| err_msg("unable to convert path to utf8 encoding"))?];
+ let mut runner_args = vec![
+ fargo_path.to_str().ok_or_else(|| err_msg("unable to convert path to utf8 encoding"))?,
+ ];
if options.verbose {
runner_args.push("-v");
@@ -587,7 +593,7 @@
let pkg_path = pkg_config_path(target_options)?;
let mut cmd = Command::new(cargo_path()?);
let sysroot_as_path = sysroot_path(target_options)?;
- let sysroot_as_str = sysroot_as_path.to_str().unwrap();
+ let sysroot_as_str = sysroot_as_path.to_string_lossy();
let args: Vec<&str> = args.iter().map(|a| if *a == "++" { "--" } else { *a }).collect();
@@ -597,14 +603,14 @@
if options.verbose {
println!("runner_env_name: {:?}", runner_env_name);
println!("rustflags_env_name: {:?}", rustflags_env_name);
- println!("rustc_path: {:?}", rustc_path()?.to_str().unwrap());
- println!("cargo_path: {:?}", cargo_path()?.to_str().unwrap());
+ println!("rustc_path: {:?}", rustc_path()?.to_string_lossy());
+ println!("cargo_path: {:?}", cargo_path()?.to_string_lossy());
}
cmd.env(runner_env_name, fargo_command)
.env(rustflags_env_name, get_rustflags(target_options, &sysroot_as_path)?)
- .env("RUSTC", rustc_path()?.to_str().unwrap())
- .env("RUSTDOC", rustdoc_path()?.to_str().unwrap())
+ .env("RUSTC", rustc_path()?.to_string_lossy().as_ref())
+ .env("RUSTDOC", rustdoc_path()?.to_string_lossy().as_ref())
.env("RUSTDOCFLAGS", "--cap-lints allow -Z unstable-options")
.env("FUCHSIA_SHARED_ROOT", shared_libraries_path(target_options)?)
.env("ZIRCON_BUILD_ROOT", zircon_build_path(target_options)?)
@@ -613,7 +619,10 @@
.args(args);
if let Some(ref manifest_path) = options.manifest_path {
- let manifest_args: Vec<&str> = vec!["--manifest-path", manifest_path.to_str().unwrap()];
+ let manifest_args: Vec<&str> = vec![
+ "--manifest-path",
+ manifest_path.to_str().expect("path to string failed for manifest_path"),
+ ];
cmd.args(manifest_args);
}
@@ -622,11 +631,11 @@
let cxx_env_name = format!("CXX_{}", target_triple_uc);
let cflags_env_name = format!("CFLAGS_{}", target_triple_uc);
let ar_env_name = format!("AR_{}", target_triple_uc);
- cmd.env(cc_env_name, clang_c_compiler_path()?.to_str().unwrap())
- .env(cxx_env_name, clang_cpp_compiler_path()?.to_str().unwrap())
+ cmd.env(cc_env_name, clang_c_compiler_path()?.to_string_lossy().as_ref())
+ .env(cxx_env_name, clang_cpp_compiler_path()?.to_string_lossy().as_ref())
.env(cflags_env_name, format!("--sysroot={}", sysroot_as_str))
- .env(ar_env_name, clang_archiver_path()?.to_str().unwrap())
- .env("RANLIB", clang_ranlib_path()?.to_str().unwrap())
+ .env(ar_env_name, clang_archiver_path()?.to_string_lossy().as_ref())
+ .env("RANLIB", clang_ranlib_path()?.to_string_lossy().as_ref())
.env("PKG_CONFIG_ALL_STATIC", "1")
.env("PKG_CONFIG_ALLOW_CROSS", "1")
.env("PKG_CONFIG_PATH", "")
@@ -673,8 +682,8 @@
)?;
writeln!(config, "")?;
writeln!(config, "[build]")?;
- writeln!(config, "rustc = \"{}\"", rustc_path()?.to_str().unwrap())?;
- writeln!(config, "rustdoc = \"{}\"", rustdoc_path()?.to_str().unwrap())?;
+ writeln!(config, "rustc = \"{}\"", rustc_path()?.to_string_lossy())?;
+ writeln!(config, "rustdoc = \"{}\"", rustdoc_path()?.to_string_lossy())?;
writeln!(config, "target = \"{}\"", get_target_triple(target_options))?;
Ok(())
}
@@ -1313,7 +1322,8 @@
}
if let Some(cargo_matches) = matches.subcommand_matches("cargo") {
- let subcommand = cargo_matches.value_of(SUBCOMMAND).unwrap();
+ let subcommand =
+ cargo_matches.value_of(SUBCOMMAND).expect("The cargo command requires a subcommand");
let cargo_params =
cargo_matches.values_of("cargo_params").map(|x| x.collect()).unwrap_or_else(|| vec![]);
return run_cargo(
@@ -1341,7 +1351,8 @@
.map(|x| x.collect())
.unwrap_or_else(|| vec![]);
let test_args = run_on_target_matches.value_of("test_args");
- let (program, args) = run_params.split_first().unwrap();
+ let (program, args) =
+ run_params.split_first().expect("run on target expects at least one parameter");
let run_mode = run_switches_to_mode(
run_on_target_matches.is_present(RUN_WITH_TILES),
run_on_target_matches.is_present(RUN_WITH_RUN),
@@ -1390,7 +1401,11 @@
}
if let Some(build_rustc_matches) = matches.subcommand_matches(BUILD_RUSTC) {
- let rust_root = PathBuf::from(build_rustc_matches.value_of(RUST_ROOT).unwrap());
+ let rust_root = PathBuf::from(
+ build_rustc_matches
+ .value_of(RUST_ROOT)
+ .expect("rust_root is a required parameter of build-rustc"),
+ );
return build_rustc(&rust_root, &target_options);
}
diff --git a/src/sdk.rs b/src/sdk.rs
index 172071f..c5b1c31 100644
--- a/src/sdk.rs
+++ b/src/sdk.rs
@@ -73,7 +73,7 @@
} else if let Some(fuchsia_dir) = get_path_from_env("FUCHSIA_DIR", true)? {
fuchsia_dir
} else {
- let mut path = env::current_dir().unwrap();
+ let mut path = env::current_dir()?;
loop {
if looks_like_fuchsia_dir(&path) {
return Ok(path);
diff --git a/src/utils.rs b/src/utils.rs
index efea9da..bf942d9 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -3,7 +3,7 @@
// found in the LICENSE file.
use crate::sdk::strip_tool_path;
-use failure::{bail, Error, ResultExt};
+use failure::{bail, format_err, Error, ResultExt};
use std::path::PathBuf;
use std::process::Command;
use std::time::Duration;
@@ -16,13 +16,16 @@
}
pub fn is_mac() -> bool {
- uname().unwrap().sysname == "Darwin"
+ uname().expect("uname failed").sysname == "Darwin"
}
pub fn strip_binary(binary: &PathBuf) -> Result<PathBuf, Error> {
- let file_name = binary.file_name().unwrap();
+ let file_name = binary.file_name().ok_or(format_err!("file_name failed on {:#?}", binary))?;
let new_file_name = file_name.to_string_lossy().into_owned() + "_stripped";
- let target_path = binary.parent().unwrap().join(new_file_name);
+ let target_path = binary
+ .parent()
+ .expect("failed to get parent directory of binary to strip")
+ .join(new_file_name);
let strip_result = Command::new(strip_tool_path()?)
.arg("-strip-all")
.arg(binary)
