fix: support custom binary path

.github/workflows/ci.yml

@@ -45,6 +45,23 @@ jobs:
         with:
           command: run ./cwd.yml
           working-directory: ./my-dir
+      - name: Cleanup
+        run: rm -rf ./my-dir
+
+      # Supports custom Artillery binary path.
+      # Useful to test against intermediate builds of Artillery.
+      - name: Prepare custom binary
+        run: echo "echo \"$1\" >> \"output.txt\"" >> ./custom-binary.sh
+      - name: Supports custom Artillery binary
+        uses: ./
+        with:
+          command: hello
+        env:
+          ARTILLERY_BINARY_PATH: ./custom-binary.sh
+      - name: Check the output
+        run: '[[ "$(cat ./output.txt)" == "hello" ]] || exit 1'
+      - name: Cleanup
+        run: rm ./custom-binary.sh
 
   release:
     if: github.ref == 'refs/heads/main'

entrypoint.sh

@@ -5,5 +5,16 @@ if [ -n "${CWD}" ]; then
   cd "${CWD}"
 fi
 
+if [ -n "${ARTILLERY_BINARY_PATH}" ]; then
+  if [ ! -f "${ARTILLERY_BINARY_PATH}" ]; then
+    echo "Failed to locate Artillery binary at custom path: ${ARTILLERY_BINARY_PATH}"
+    exit 1
+  fi
+
+  ARTILLERY_BINARY="${ARTILLERY_BINARY_PATH}"
+else
+  ARTILLERY_BINARY="/home/node/artillery/bin/run"
+fi
+
 # Run the tests.
-/home/node/artillery/bin/run $1
+$ARTILLERY_BINARY $1