sh clean.sh script that does cleaning

.ci/scripts/build_llama_android.sh

@@ -12,7 +12,8 @@ source "$(dirname "${BASH_SOURCE[0]}")/utils.sh"
 
 install_executorch_and_backend_lib() {
   echo "Installing executorch and xnnpack backend"
-  rm -rf cmake-android-out && mkdir cmake-android-out
+  clean_executorch_install_folders
+  mkdir cmake-android-out
   ANDROID_NDK=/opt/ndk
   BUCK2=buck2
   ANDROID_ABI=arm64-v8a

.ci/scripts/test_llama.sh

@@ -149,7 +149,7 @@ which "${PYTHON_EXECUTABLE}"
 
 cmake_install_executorch_libraries() {
     echo "Installing libexecutorch.a, libextension_module.so, libportable_ops_lib.a"
-    rm -rf cmake-out
+    clean_executorch_install_folders
     retry cmake \
         -DCMAKE_INSTALL_PREFIX=cmake-out \
         -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \

.ci/scripts/utils.sh

@@ -16,6 +16,10 @@ retry () {
     "$@" || (sleep 30 && reset_buck && "$@") || (sleep 60 && reset_buck && "$@")
 }
 
+clean_executorch_install_folders() {
+  ./install_requirements.sh --clean
+}
+
 install_executorch() {
   which pip
   # Install executorch, this assumes that Executorch is checked out in the
@@ -74,7 +78,8 @@ build_executorch_runner_buck2() {
 build_executorch_runner_cmake() {
   CMAKE_OUTPUT_DIR=cmake-out
   # Build executorch runtime using cmake
-  rm -rf "${CMAKE_OUTPUT_DIR}" && mkdir "${CMAKE_OUTPUT_DIR}"
+  clean_executorch_install_folders
+  mkdir "${CMAKE_OUTPUT_DIR}"
 
   pushd "${CMAKE_OUTPUT_DIR}" || return
   # This command uses buck2 to gather source files and buck2 could crash flakily
@@ -103,7 +108,7 @@ build_executorch_runner() {
 
 cmake_install_executorch_lib() {
   echo "Installing libexecutorch.a and libportable_kernels.a"
-  rm -rf cmake-out
+  clean_executorch_install_folders
   retry cmake -DBUCK2="$BUCK" \
           -DCMAKE_INSTALL_PREFIX=cmake-out \
           -DCMAKE_BUILD_TYPE=Release \

docs/source/getting-started-setup.md

@@ -113,7 +113,7 @@ to ExecuTorch.
 >
 > ```bash
 > # From the root of the executorch repo:
-> rm -rf cmake-out pip-out
+> ./install_requirements.sh --clean
 > git submodule sync
 > git submodule update --init
 > ```
@@ -196,7 +196,8 @@ The ExecuTorch repo uses CMake to build its C++ code. Here, we'll configure it t
   ```bash
   # Clean and configure the CMake build system. Compiled programs will
   # appear in the executorch/cmake-out directory we create here.
-  (rm -rf cmake-out && mkdir cmake-out && cd cmake-out && cmake ..)
+  ./install_requirements.sh --clean
+  (mkdir cmake-out && cd cmake-out && cmake ..)
 
   # Build the executor_runner target
   cmake --build cmake-out --target executor_runner -j9
@@ -213,7 +214,7 @@ The ExecuTorch repo uses CMake to build its C++ code. Here, we'll configure it t
 >
 > ```bash
 > # From the root of the executorch repo:
-> rm -rf cmake-out pip-out
+> ./install_requirements.sh --clean
 > git submodule sync
 > git submodule update --init
 > ```

docs/source/runtime-build-and-cross-compilation.md

@@ -45,7 +45,8 @@ cd executorch
 
 # Clean and configure the CMake build system. It's good practice to do this
 # whenever cloning or pulling the upstream repo.
-(rm -rf cmake-out && mkdir cmake-out && cd cmake-out && cmake ..)
+./install_requirements.sh --clean
+(mkdir cmake-out && cd cmake-out && cmake ..)
 ```
 
 Once this is done, you don't need to do it again until you pull from the upstream repo again, or if you modify any CMake-related files.
@@ -121,7 +122,8 @@ Following are instruction on how to perform cross compilation for Android and iO
 Assuming Android NDK is available, run:
 ```bash
 # Run the following lines from the `executorch/` folder
-rm -rf cmake-android-out && mkdir cmake-android-out && cd cmake-android-out
+./install_requirements.sh --clean
+mkdir cmake-android-out && cd cmake-android-out
 
 # point -DCMAKE_TOOLCHAIN_FILE to the location where ndk is installed
 cmake -DCMAKE_TOOLCHAIN_FILE=/Users/{user_name}/Library/Android/sdk/ndk/25.2.9519653/build/cmake/android.toolchain.cmake  -DANDROID_ABI=arm64-v8a ..

examples/demo-apps/android/ExecuTorchDemo/README.md

@@ -69,7 +69,9 @@ We build the required ExecuTorch runtime library to run the model.
 export ANDROID_NDK=<path-to-android-ndk>
 export ANDROID_ABI=arm64-v8a
 
-rm -rf cmake-android-out && mkdir cmake-android-out
+# Run the following lines from the `executorch/` folder
+./install_requirements.sh --clean
+mkdir cmake-android-out
 
 # Build the core executorch library
 cmake . -DCMAKE_INSTALL_PREFIX=cmake-android-out \
@@ -112,7 +114,8 @@ export ANDROID_NDK=<path-to-android-ndk>
 export ANDROID_ABI=arm64-v8a
 export QNN_SDK_ROOT=<path-to-qnn-sdk>
 
-rm -rf cmake-android-out && mkdir cmake-android-out && cd cmake-android-out
+./install_requirements.sh --clean
+mkdir cmake-android-out && cd cmake-android-out
 cmake . -DCMAKE_INSTALL_PREFIX=cmake-android-out \
     -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK}/build/cmake/android.toolchain.cmake" \
     -DANDROID_ABI="${ANDROID_ABI}" \

examples/devtools/build_example_runner.sh

@@ -37,7 +37,7 @@ done
 main() {
   cd "${EXECUTORCH_ROOT}"
 
-  rm -rf cmake-out
+  ./install_requirements.sh --clean
 
   if [[ "${BUILD_COREML}" == "ON" ]]; then
     cmake -DCMAKE_INSTALL_PREFIX=cmake-out \

examples/devtools/test_example_runner.sh

@@ -16,7 +16,7 @@ source "$(dirname "${BASH_SOURCE[0]}")/../../.ci/scripts/utils.sh"
 
 cmake_install_executorch_devtools_lib() {
   echo "Installing libexecutorch.a, libportable_kernels.a, libetdump.a, libbundled_program.a"
-  rm -rf cmake-out
+  clean_executorch_install_folders
 
   retry cmake -DCMAKE_INSTALL_PREFIX=cmake-out \
           -DCMAKE_BUILD_TYPE=Release \

examples/xnnpack/quantization/test_quantize.sh

@@ -47,8 +47,9 @@ test_cmake_quantization() {
   SITE_PACKAGES="$(${PYTHON_EXECUTABLE} -c 'from distutils.sysconfig import get_python_lib; print(get_python_lib())')"
   CMAKE_PREFIX_PATH="${SITE_PACKAGES}/torch"
 
-  (rm -rf cmake-out \
-    && mkdir cmake-out \
+  clean_executorch_install_folders
+
+  (mkdir cmake-out \
     && cd cmake-out \
     && retry cmake \
       -DCMAKE_BUILD_TYPE=Release \

install_requirements.py

@@ -85,7 +85,7 @@ def python_is_compatible():
         print("Cleaning build artifacts...")
         print("Cleaning pip-out/...")
         shutil.rmtree("pip-out/", ignore_errors=True)
-        dirs = glob.glob("cmake-out*/")
+        dirs = glob.glob("cmake-out*/") + glob.glob("cmake-android-out/")
         for d in dirs:
             print(f"Cleaning {d}...")
             shutil.rmtree(d, ignore_errors=True)

test/build_size_test.sh

@@ -13,7 +13,7 @@ source "$(dirname "${BASH_SOURCE[0]}")/../.ci/scripts/utils.sh"
 
 cmake_install_executorch_lib() {
   echo "Installing libexecutorch.a"
-  rm -rf cmake-out
+  clean_executorch_install_folders
 
   retry cmake -DBUCK2="$BUCK2" \
           -DCMAKE_CXX_STANDARD_REQUIRED=ON \