Don't use $HOME env variable because it doesn't always work

Cargo.lock

@@ -46,6 +46,7 @@ name = "forgebuild"
 version = "0.2.0"
 dependencies = [
  "glob",
+ "home",
  "hostname",
  "lazy_static",
  "serde",
@@ -77,6 +78,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2456aef2e6b6a9784192ae780c0f15bc57df0e918585282325e8c8ac27737654"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "hostname"
 version = "0.3.1"

Cargo.toml

@@ -16,3 +16,5 @@ serde_json = "1.0"
 structopt = "0.3"
 # Debug Context for translations
 serde = { version = "1.0", features = ["derive"] }
+# Detect home folder
+home = "0.5.3"

src/cli.rs

@@ -1,6 +1,7 @@
 use std::env;
 use std::path::PathBuf;
 use structopt::StructOpt;
+use home::home_dir;
 
 #[derive(Debug, StructOpt)]
 #[structopt(
@@ -26,7 +27,7 @@ impl Cli {
             // Returns an error when the path doesn't exist
             PathBuf::from(basedir)
         } else {
-            let mut home_path = PathBuf::from(env::var("HOME").expect("No $HOME in env"));
+            let mut home_path = home_dir().expect("No HOME folder found.");
             home_path.push(".forgebuild");
             home_path
         }