From 27b500bcc530a30db53391d5ac1e7e276bdb5a2e Mon Sep 17 00:00:00 2001
From: Christian <christianpavilonis@outlook.com>
Date: Wed, 8 Jul 2026 11:03:53 -0500
Subject: [PATCH] Add sccache to Rust CI jobs

---
 .../setup-integration-test-env/action.yml     |  9 ++++
 .github/workflows/format.yml                  |  8 ++++
 .github/workflows/test.yml                    | 48 +++++++++++++++++++
 3 files changed, 65 insertions(+)

diff --git a/.github/actions/setup-integration-test-env/action.yml b/.github/actions/setup-integration-test-env/action.yml
index 841d8d5b..36823e70 100644
--- a/.github/actions/setup-integration-test-env/action.yml
+++ b/.github/actions/setup-integration-test-env/action.yml
@@ -58,6 +58,15 @@ runs:
         target: wasm32-wasip1
         cache-shared-key: cargo-${{ runner.os }}
 
+    - name: Set up sccache
+      uses: mozilla-actions/sccache-action@v0.0.10
+
+    - name: Configure sccache for Rust
+      shell: bash
+      run: |
+        echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+        echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
     - name: Cache Viceroy binary
       if: ${{ inputs.install-viceroy == 'true' }}
       id: cache-viceroy
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 4893a955..be6df0d1 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -29,6 +29,14 @@ jobs:
           components: "clippy, rustfmt"
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Run cargo fmt
         uses: actions-rust-lang/rustfmt@v1
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5f2717dc..42753c49 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,6 +35,14 @@ jobs:
           target: wasm32-wasip1
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Cache Viceroy binary
         id: cache-viceroy
         uses: actions/cache@v4
@@ -69,6 +77,14 @@ jobs:
           target: wasm32-wasip1
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Build Axum adapter
         run: cargo build -p trusted-server-adapter-axum
 
@@ -103,6 +119,14 @@ jobs:
           target: wasm32-unknown-unknown
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Check Cloudflare adapter (native host)
         run: cargo check -p trusted-server-adapter-cloudflare
 
@@ -130,6 +154,14 @@ jobs:
           target: wasm32-wasip1
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Check Spin adapter (native host)
         run: cargo check -p trusted-server-adapter-spin
 
@@ -169,6 +201,14 @@ jobs:
           components: clippy, rustfmt
           cache-shared-key: cargo-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       - name: Format check (parity test crate)
         run: cargo fmt --manifest-path crates/trusted-server-integration-tests/Cargo.toml -- --check
 
@@ -201,6 +241,14 @@ jobs:
           components: "clippy, rustfmt"
           cache-shared-key: cargo-cli-${{ runner.os }}
 
+      - name: Set up sccache
+        uses: mozilla-actions/sccache-action@v0.0.10
+
+      - name: Configure sccache for Rust
+        run: |
+          echo "SCCACHE_GHA_ENABLED=on" >> "$GITHUB_ENV"
+          echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
+
       # No separate `cargo fmt` here: `trusted-server-cli` is a workspace member,
       # so the main `cargo fmt --all` job already formats it. Clippy still needs a
       # native run — the workspace clippy jobs are wasm/adapter-scoped and never