Only apply do_not_use_nightly_on_ci for regular PRs

Author: huydhn

.ci/scripts/setup-linux.sh

@@ -23,4 +23,7 @@ fi
 # of nightly. This allows CI to test against latest commits from PyTorch
 install_executorch "use-pt-pinned-commit"
 build_executorch_runner "${BUILD_TOOL}"
-do_not_use_nightly_on_ci
+
+if [[ "${GITHUB_BASE_REF:-}" == *main* || "${GITHUB_BASE_REF:-}" == *gh* ]];
+  do_not_use_nightly_on_ci
+fi

.ci/scripts/setup-macos.sh

@@ -136,4 +136,7 @@ install_pytorch_and_domains
 # the pinned commit from PyTorch
 install_executorch "use-pt-pinned-commit"
 build_executorch_runner "${BUILD_TOOL}"
-do_not_use_nightly_on_ci
+
+if [[ "${GITHUB_BASE_REF:-}" == *main* || "${GITHUB_BASE_REF:-}" == *gh* ]];
+  do_not_use_nightly_on_ci
+fi

.github/workflows/_unittest.yml

@@ -31,9 +31,6 @@ jobs:
         CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
         conda activate "${CONDA_ENV}"
 
-        # DEBUG
-        env
-
         # Setup swiftshader and Vulkan SDK which are required to build the Vulkan delegate
         source .ci/scripts/setup-vulkan-linux-deps.sh
 
@@ -69,9 +66,6 @@ jobs:
         export PATH="${TMP_DIR}:$PATH"
         trap 'rm -rfv ${TMP_DIR}' EXIT
 
-        # DEBUG
-        env
-
         # Setup MacOS dependencies as there is no Docker support on MacOS atm
         PYTHON_EXECUTABLE=python \
         EXECUTORCH_BUILD_PYBIND=ON \