From 7ece1af41ade6b90a38697fe8370f7e00c5c0a75 Mon Sep 17 00:00:00 2001
From: Edward Amsden <edward@blackriversoft.com>
Date: Fri, 8 Dec 2023 16:09:54 -0600
Subject: [PATCH] ci: cache rust dependencies

---
 .github/workflows/ares-shared.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.github/workflows/ares-shared.yml b/.github/workflows/ares-shared.yml
index 212857c..9641fea 100644
--- a/.github/workflows/ares-shared.yml
+++ b/.github/workflows/ares-shared.yml
@@ -21,6 +21,16 @@ jobs:
         with:
           extra_nix_config: "extra-experimental-features = nix-command flakes"
 
+      - name: Set cache key for dev env
+        run: export ARES_NIX_DEVSHELL_PATH=$(nix eval --raw ".#devShells.x86_64-linux.default.outPath")
+
+      - name: Cache rust build artifacts
+        id: cache_rust
+        uses: Swatinem/rust-cache@v2
+        with:
+          env-vars: "CARGO CC CFLAGX CXX CMAKE RUST ARES"
+          workspaces: "rust/ares -> target"
+
       # Check formatting
       - name: Format
         run: |