ci: changed-crates binary install

.github/actions/changed-crates/action.yml

@@ -4,7 +4,16 @@
 name: 'Get Changed Crates'
 description: 'Detects which Rust crates have changed files in a PR or push'
 
+inputs:
+  changed-crates-version:
+    description: 'Version of the prebuilt changed-crates binary to download (e.g. v0.1.0). Must match a ci-crates-v* release.'
+    required: false
+    default: 'v0.1.0'
+
 outputs:
+  status:
+    description: 'Exit status of the action (e.g. success, skipped)'
+    value: ${{ steps.detect.outputs.status }}
   crates:
     description: 'JSON array of changed crates with name, version, path and manifest'
     value: ${{ steps.detect.outputs.crates }}
@@ -24,22 +33,36 @@ outputs:
 runs:
   using: 'composite'
   steps:
-    - name: Set up Rust
-      shell: bash
-      run: rustup install stable && rustup default stable
-
     - name: Fetch all branches
+      if: ${{ github.event_name == 'pull_request' }}
       shell: bash
       run: |
         git fetch --all
         echo "Available branches:"
         git branch -a
 
-    - name: Build change reporter
+    - name: Get changed-crates binary
+      if: ${{ github.event_name == 'pull_request' }}
       shell: bash
+      env:
+        VERSION: ${{ inputs.changed-crates-version }}
+        REPO: ${{ github.repository }}
       run: |
-        cd ${{ github.action_path }}/..
-        cargo build --release -p ci-crates
+        BIN_DIR="${{ github.action_path }}/../bin"
+        mkdir -p "$BIN_DIR"
+        TAG="ci-crates-v${VERSION#v}"
+
+        ## gh release create $TAG --latest=false .github/actions/target/release/changed-crates#changed-crates-x86_64-unknown-linux-gnu --title "changed-crates ${VERSION}" --notes "Prebuilt binary for changed-crates action."
+        URL="https://github.com/${REPO}/releases/download/${TAG}/changed-crates"
+        if curl -sSLfo "$BIN_DIR/changed-crates" "$URL"; then
+          chmod +x "$BIN_DIR/changed-crates"
+        else
+          echo "Prebuilt binary not found, building from source..."
+          rustup install stable && rustup default stable
+          cd "${{ github.action_path }}/.."
+          cargo build --release -p ci-crates
+          cp target/release/changed-crates "$BIN_DIR/changed-crates"
+        fi
 
     - name: Run change reporter
       id: detect
@@ -48,4 +71,14 @@ runs:
         EVENT_NAME: ${{ github.event_name }}
         PR_BASE_REF: ${{ github.base_ref }}
       run: |
-        RUST_LOG=debug ${{ github.action_path }}/../target/release/changed-crates $PR_BASE_REF
+        if [[ "$EVENT_NAME" != "pull_request" ]]; then
+          echo "status=skipped" >> $GITHUB_OUTPUT
+          exit 0
+        fi
+
+        CHANGED_CRATES_BIN="${{ github.action_path }}/../bin/changed-crates"
+        if RUST_LOG=debug "$CHANGED_CRATES_BIN" $PR_BASE_REF; then
+          echo "status=success" >> $GITHUB_OUTPUT
+        else
+          echo "status=skipped" >> $GITHUB_OUTPUT
+        fi

.github/workflows/fuzz.yml

@@ -15,16 +15,16 @@ jobs:
       with:
         fetch-depth: 0
     - name: Get changed crates
-      if: ${{ github.event_name == 'pull_request' }}
       id: changed-crates
       uses: ./.github/actions/changed-crates
     - name: Set fuzz directories
       id: set-dirs
       env:
+        CHANGED_CRATES_STATUS: ${{ steps.changed-crates.outputs.status }}
         CHANGED_CRATES: ${{ steps.changed-crates.outputs.crates }}
       run: |
         ALL_FUZZ='["libdd-alloc", "libdd-profiling", "libdd-common-ffi", "libdd-trace-utils"]'
-        if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+        if [[ "$CHANGED_CRATES_STATUS" == "success" ]]; then
           FILTERED=$(echo "$CHANGED_CRATES" | jq --argjson fuzz "$ALL_FUZZ" \
             '[.[] | .path | split("/") | last | . as $dir | if ($fuzz | index($dir) != null) then $dir else empty end]')
           COUNT=$(echo "$FILTERED" | jq 'length')

.github/workflows/lint.yml

@@ -19,17 +19,17 @@ jobs:
       with:
         fetch-depth: 0
     - name: Get changed crates
-      if: ${{ github.event_name == 'pull_request' }}
       id: changed-crates
       uses: ./.github/actions/changed-crates
     - name: Set lint packages
       id: set-packages
       env:
+        CHANGED_CRATES_STATUS: ${{ steps.changed-crates.outputs.status }}
         CHANGED_CRATES_COUNT: ${{ steps.changed-crates.outputs.crates_count }}
         CHANGED_CRATES: ${{ steps.changed-crates.outputs.crates }}
         AFFECTED_CRATES: ${{ steps.changed-crates.outputs.affected_crates }}
       run: |
-        if [[ "${{ github.event_name }}" == "push" ]]; then
+        if [[ "$CHANGED_CRATES_STATUS" == "skipped" ]]; then
           COUNT="1"
           FMT_PACKAGES=""
           CLIPPY_PACKAGES=""

.github/workflows/miri.yml

@@ -17,16 +17,16 @@ jobs:
       with:
         fetch-depth: 0
     - name: Get changed crates
-      if: ${{ github.event_name == 'pull_request' }}
       id: changed-crates
       uses: ./.github/actions/changed-crates
     - name: Set crates to run Miri on
       id: set-crates
       env:
+        CHANGED_CRATES_STATUS: ${{ steps.changed-crates.outputs.status }}
         CHANGED_CRATES: ${{ steps.changed-crates.outputs.crates }}
         AFFECTED_CRATES: ${{ steps.changed-crates.outputs.affected_crates }}
       run: |
-        if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+        if [[ "$CHANGED_CRATES_STATUS" == "success" ]]; then
           echo "This is a pull request event, running Miri on changed and affected crates"
           echo "Changed crates: $CHANGED_CRATES"
           echo "Affected crates: $AFFECTED_CRATES"

.github/workflows/test-ffi.yml

@@ -20,16 +20,16 @@ jobs:
       with:
         fetch-depth: 0
     - name: Get changed crates
-      if: ${{ github.event_name == 'pull_request' }}
       id: changed-crates
       uses: ./.github/actions/changed-crates
     - name: Set FFI packages
       id: set-packages
       env:
+        CHANGED_CRATES_STATUS: ${{ steps.changed-crates.outputs.status }}
         CHANGED_CRATES_COUNT: ${{ steps.changed-crates.outputs.crates_count }}
         AFFECTED_CRATES: ${{ steps.changed-crates.outputs.affected_crates }}
       run: |
-        if [[ "${{ github.event_name }}" == "push" ]]; then
+        if [[ "$CHANGED_CRATES_STATUS" == "skipped" ]]; then
           COUNT="1"
           PACKAGES=""
           CRATES_JSON=""

.github/workflows/test.yml

@@ -25,16 +25,16 @@ jobs:
       with:
         fetch-depth: 0
     - name: Get changed crates
-      if: ${{ github.event_name == 'pull_request' }}
       id: changed-crates
       uses: ./.github/actions/changed-crates
     - name: Set unit test packages
       id: set-packages
       env:
+        CHANGED_CRATES_STATUS: ${{ steps.changed-crates.outputs.status }}
         CHANGED_CRATES_COUNT: ${{ steps.changed-crates.outputs.crates_count }}
         AFFECTED_CRATES: ${{ steps.changed-crates.outputs.affected_crates }}
       run: |
-        if [[ "${{ github.event_name }}" == "push" ]]; then
+        if [[ "$CHANGED_CRATES_STATUS" == "skipped" ]]; then
           COUNT="1"
           PACKAGES=""
           CRASHTRACKER_FEATURE="--features libdd-crashtracker/generate-unit-test-files"