ci: streamline before_script for macos runners

.gitlab/ci/common.yml

@@ -250,41 +250,15 @@ variables:
     - *show_ccache_statistics
     - *upload_failed_job_log_artifacts
 
-##############################
-# Git Strategy Job Templates #
-##############################
 .brew-macos-settings:
   variables:
-    GIT_STRATEGY: none  # we do manual git clone to use local mirror
+    GIT_STRATEGY: fetch
     IDF_CCACHE_ENABLE: "0"
     CCACHE_DIR: "/var/tmp/cache/idf_ccache"
   tags:
     - macos-tart
   image: macos-sequoia-idf-v6.1
-  cache: []  # pip cache is created under amd64, and submodules are downloaded with brew mirror, so disable cache here
-  before_script:
-    # assert LOCAL_GIT_MIRROR is set
-    - echo -e "section_start:`date +%s`:check_out\r\e[0Kchecking out from local git mirror, then reset to CI_COMMIT_SHA"
-    - |
-      if [ -z "${LOCAL_GIT_MIRROR:-}" ]; then
-        echo "Error: LOCAL_GIT_MIRROR not set, cannot clone from mirror."
-        exit 1
-      fi
-    - MIRROR_REPO_URL="${LOCAL_GIT_MIRROR}/${CI_PROJECT_PATH}"
-    - cd "${CI_PROJECT_DIR}"
-    # since .cache exists in CI_PROJECT_DIR, so can't direct `git clone .`
-    - git clone -b ${CI_MERGE_REQUEST_TARGET_BRANCH_NAME:-${CI_COMMIT_REF_NAME}} --depth=1 --recursive --shallow-submodules "${MIRROR_REPO_URL}" tmp
-    - mv tmp/.git ./
-    - rm -rf tmp
-    - git reset --hard
-    # set remote url back
-    - git remote set-url origin "${CI_REPOSITORY_URL}"
-    - eval "git fetch --depth=1 ${GIT_FETCH_EXTRA_FLAGS} origin ${CI_COMMIT_SHA}"
-    - git checkout FETCH_HEAD
-    - git submodule update --init --recursive --depth=1
-    - echo -e "section_end:`date +%s`:check_out\r\e[0K"
-    - *common-before_scripts
-    - *setup_tools_and_idf_python_venv
+  cache: []  # cache are built for amd64 linux runners, useless here
   after_script: []  # ccache now is disabled for macos brew runners
   timeout: 30m