From a4cd64acc556019b5e9a9593231497f53db56c69 Mon Sep 17 00:00:00 2001
From: Yasir <yasir@shariff.dev>
Date: Fri, 11 Sep 2026 12:11:53 +0300
Subject: [PATCH] chore: improve CI cache reuse and build ordering

---
 .github/actions/rust/sccache/setup/action.yml |  3 ++-
 .github/workflows/build-and-test.yml          | 16 ++++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/.github/actions/rust/sccache/setup/action.yml b/.github/actions/rust/sccache/setup/action.yml
index b978e6bb..cdadc95b 100644
--- a/.github/actions/rust/sccache/setup/action.yml
+++ b/.github/actions/rust/sccache/setup/action.yml
@@ -19,7 +19,7 @@ runs:
       shell: bash
       run: |
         SCCACHE_DOWNLOAD_LINK=https://github.com/mozilla/sccache/releases/download
-        SCCACHE_VERSION=v0.2.15
+        SCCACHE_VERSION=v0.17.0
         SCCACHE_PREFIX="sccache-$SCCACHE_VERSION-x86_64-unknown-linux-musl"
         SCCACHE_TAR="${SCCACHE_PREFIX}.tar.gz"
         DOWNLOAD_LINK="${SCCACHE_DOWNLOAD_LINK}/${SCCACHE_VERSION}/${SCCACHE_TAR}"
@@ -42,5 +42,6 @@ runs:
       shell: bash
       run: |
         echo "starting sccache on ${{ inputs.os }}"
+        sccache --version
         sccache --start-server
         sccache -s
diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index e802ba9e..cfb18a62 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -152,15 +152,10 @@ jobs:
           awk '{print $1}' | \
           xargs -I {} cargo check -p {}
 
-      # Clean debug target to avoid bloating the GitHub Actions cache.
-      # The previous builds cannot be re-used at all for the full --all-features --release build anyway.
-      - name: Clean target
+      # Remove debug artifacts from feature checks while preserving cached release artifacts.
+      - name: Clean debug target
         if: matrix.os == 'ubuntu-24.04'
-        run: cargo clean
-
-        # Build the library, tests, and examples without running them to avoid recompilation in the run tests step
-      - name: Build with default features
-        run: cargo build --workspace --tests --examples --release
+        run: cargo clean --profile dev
 
       - name: Start iota sandbox
         if: matrix.os != 'windows-latest'
@@ -196,6 +191,11 @@ jobs:
           echo "IOTA_TF_COMPONENTS_PKG_ID=$IOTA_TF_COMPONENTS_PKG_ID" >> "$GITHUB_ENV"
         working-directory: audit-trail-move/scripts/
 
+      # Move testing and publication can update Move.lock, which the Rust build scripts watch.
+      # Build afterward so tests and examples reuse artifacts from the final Move inputs.
+      - name: Build with default features
+        run: cargo build --workspace --tests --examples --release
+
       - name: Run tests
         if: matrix.os != 'windows-latest'
         run: cargo test --workspace --release -- --test-threads=1