Merge pull request #39 from softprops/portable-home

homedir is a builtin

Author: softprops

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 - fix a `npx serverless invoke local` for versions of serverless framework `1.40.*` which now emit `package` events as within `invokeLocal` events.
 - bump [lambda-rust](https://hub.docker.com/r/softprops/lambda-rust/) docker version to 0.2.1-rust-1.34.1 to gain [new rust 1.34.1 features](https://blog.rust-lang.org/2019/04/25/Rust-1.34.1.html).
+- use `os.homedir()` instead of `process.env['HOME']` for improved portability
 
 # ⚡ 0.3.3
 

index.js

@@ -5,6 +5,7 @@
 // https://github.com/softprops/lambda-rust/
 
 const { spawnSync } = require("child_process");
+const { homedir } = require("os");
 const path = require("path");
 
 const DEFAULT_DOCKER_TAG = "0.2.1-rust-1.34.1";
@@ -50,14 +51,15 @@ class RustPlugin {
   }
 
   runDocker(funcArgs, cargoPackage, binary) {
+    const home = homedir();
     const defaultArgs = [
       'run',
       '--rm',
       '-t',
       '-e', `BIN=${binary}`,
       `-v`, `${this.servicePath}:/code`,
-      `-v`, `${process.env['HOME']}/.cargo/registry:/root/.cargo/registry`,
-      `-v`, `${process.env['HOME']}/.cargo/git:/root/.cargo/git`,
+      `-v`, `${home}/.cargo/registry:/root/.cargo/registry`,
+      `-v`, `${home}/.cargo/git:/root/.cargo/git`,
     ];
     const customArgs = [];
     let cargoFlags = (funcArgs || {}).cargoFlags || this.custom.cargoFlags;