Handle missing cargo installs gracefully

fixes #17
Swatinem · May 30, 2021 · 31c41a9 · 31c41a9
1 parent ebd9545
commit 31c41a9
Showing 1 changed file with 12 additions and 8 deletions.
diff --git a/src/common.ts b/src/common.ts
@@ -86,16 +86,20 @@ export async function getCacheConfig(): Promise<CacheConfig> {
 }
 
 export async function getCargoBins(): Promise<Set<string>> {
-  const { installs }: { installs: { [key: string]: { bins: Array<string> } } } = JSON.parse(
-    await fs.promises.readFile(path.join(paths.cargoHome, ".crates2.json"), "utf8"),
-  );
-  const bins = new Set<string>();
-  for (const pkg of Object.values(installs)) {
-    for (const bin of pkg.bins) {
-      bins.add(bin);
+  try {
+    const { installs }: { installs: { [key: string]: { bins: Array<string> } } } = JSON.parse(
+      await fs.promises.readFile(path.join(paths.cargoHome, ".crates2.json"), "utf8"),
+    );
+    const bins = new Set<string>();
+    for (const pkg of Object.values(installs)) {
+      for (const bin of pkg.bins) {
+        bins.add(bin);
+      }
     }
+    return bins;
+  } catch {
+    return new Set<string>();
   }
-  return bins;
 }
 
 async function getRustKey(): Promise<string> {