use proper paths in game's colorscheme-scraping build script, so things work on windows. should fix #33. try re-enabling windows build to confirm. [rebuild]

.github/workflows/main.yml

@@ -1,21 +1,21 @@
 name: Build
 on: [push]
 jobs:
-# TODO The build.rs in game fails for Windows. My guess is the $OUT_DIR env var isn't there.
-#  build-windows:
-#    runs-on: windows-latest
-#    steps:
-#      - uses: actions/checkout@master
-#      - uses: hecrj/setup-rust-action@v1
-#        with:
-#          rust-version: 1.40.0
-#      - name: Run build
-#        run: cargo build --release --bin game
-#      - name: Upload binary
-#        uses: actions/upload-artifact@v1
-#        with:
-#          name: game_windows.exe
-#          path: target/release/game.exe
+  build-windows:
+    runs-on: windows-latest
+    if: "contains(github.event.head_commit.message, '[rebuild]')"
+    steps:
+      - uses: actions/checkout@master
+      - uses: hecrj/setup-rust-action@v1
+        with:
+          rust-version: 1.40.0
+      - name: Run build
+        run: cargo build --release --bin game
+      - name: Upload binary
+        uses: actions/upload-artifact@v1
+        with:
+          name: game_windows.exe
+          path: target/release/game.exe
   build-macos:
     runs-on: macos-latest
     if: "contains(github.event.head_commit.message, '[rebuild]')"

game/build.rs

@@ -1,16 +1,18 @@
 use std::collections::BTreeMap;
 use std::env;
+use std::ffi::OsStr;
 use std::fs::File;
 use std::io::{Read, Write};
+use std::path::PathBuf;
 use walkdir::WalkDir;
 
 // TODO See https://github.com/dtolnay/inventory for an alternate approach.
 fn main() {
     let mut mapping: BTreeMap<String, String> = BTreeMap::new();
     for entry in WalkDir::new("src") {
-        let path = format!("{}", entry.unwrap().into_path().display());
-        if path.ends_with(".rs") && path != "src/helpers.rs" {
-            for (k, v) in read_file(&path) {
+        let path = entry.unwrap().into_path();
+        if path.extension() == Some(OsStr::new("rs")) && path != PathBuf::from("src/helpers.rs") {
+            for (k, v) in read_file(&format!("{}", path.display())) {
                 if mapping.contains_key(&k) {
                     panic!("Color {} defined twice", k);
                 }