Remove env::home_dir() usage.

cargo-cov/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo-cov"
-version = "0.0.4"
+version = "0.0.5"
 authors = ["kennytm <[email protected]>"]
 description = "Collect source coverage via LLVM-GCOV (⚠ not fully tested, may eat your laundry)"
 build = "build.rs"
@@ -27,6 +27,7 @@ error-chain = "0.12.0"
 fs2 = "0.4"
 fs_extra = "1"
 glob = "0.2"
+home = "0.3"
 lazy_static = "1"
 log = { version = "0.4", features = ["release_max_level_warn"] }
 md5 = "0.3" # <- md5 needed for coveralls

cargo-cov/src/main.rs

@@ -28,6 +28,7 @@ extern crate env_logger;
 extern crate fs_extra;
 extern crate fs2;
 extern crate glob;
+extern crate home;
 extern crate md5;
 extern crate natord;
 extern crate open;

cargo-cov/src/sourcepath.rs

@@ -9,8 +9,9 @@
 
 use cov::IntoStringLossy;
 
-use std::env;
-use std::path::{MAIN_SEPARATOR, PathBuf};
+use home::cargo_home;
+
+use std::path::MAIN_SEPARATOR;
 use std::str::FromStr;
 
 /// Path to the hard-coded Rust source of libraries built by macOS builders on Travis CI.
@@ -26,11 +27,7 @@ lazy_static! {
     ///
     /// The string should be equal to `$CARGO_HOME/registry/src` where `$CARGO_HOME` is `~/.cargo` by default.
     static ref REGISTRY_PATH: String = {
-        let mut cargo_home = env::var_os("CARGO_HOME").map_or_else(|| {
-            let mut home = env::home_dir().unwrap_or_else(|| "/".into());
-            home.push(".cargo");
-            home
-        }, PathBuf::from);
+        let mut cargo_home = cargo_home().expect("$CARGO_HOME is undefined");
         cargo_home.push("registry");
         cargo_home.push("src");
         let mut registry_path = cargo_home.into_string_lossy();

cov/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cov"
-version = "0.0.4"
+version = "0.0.5"
 authors = ["kennytm <[email protected]>"]
 description = "gcov format (*.gcda/*.gcno) parser and analyzer in pure Rust"
 documentation = "https://docs.rs/cov"