From 5a29e28a38820cd51e524a5578abdfee7223624f Mon Sep 17 00:00:00 2001
From: Giulio Micheloni <giulio@namespacelabs.com>
Date: Tue, 12 Dec 2023 22:57:04 +0100
Subject: [PATCH] Add support for Rust caching

---
 action.yml    | 2 +-
 dist/index.js | 3 +++
 src/index.ts  | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index 666f3b2..fcd107f 100644
--- a/action.yml
+++ b/action.yml
@@ -13,7 +13,7 @@ inputs:
     default: "false"
     required: false
   cache:
-    description: "A list of native cache modes. Supported options are 'go,yarn,pnpm'"
+    description: "A list of native cache modes. Supported options are 'go,yarn,pnpm,rust'"
     required: false
 outputs:
   cache-hit:
diff --git a/dist/index.js b/dist/index.js
index e38dd95..10be5ce 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -27096,6 +27096,9 @@ async function resolveCacheMode(cacheMode) {
                 paths.push({ path: mod + "/node_modules", wipe: true });
             }
             return paths;
+        case "rust":
+            // Do not cache the whole ~/.cargo dir as it contains ~/.cargo/bin, where the cargo binary lives
+            return [{ path: "~/.cargo/registry" }, { path: "~/.cargo/git" }, { path: "./target" }];
         default:
             core.warning(`Unknown cache option: ${cacheMode}.`);
             return [];
diff --git a/src/index.ts b/src/index.ts
index 264f02d..137ce7b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -124,6 +124,10 @@ async function resolveCacheMode(cacheMode: string): Promise<Path[]> {
       }
 
       return paths;
+    
+    case "rust":
+      // Do not cache the whole ~/.cargo dir as it contains ~/.cargo/bin, where the cargo binary lives
+      return [{ path: "~/.cargo/registry" }, { path: "~/.cargo/git" }, { path: "./target" }];
 
     default:
       core.warning(`Unknown cache option: ${cacheMode}.`);