tools/android: Address review comments on PR#668

PR#668: #668

- Fix mixed tab-space white-spacing issues
- s/CMDLINE_VERSION/ANDROID_CMDLINE_VERSION/ to be more precise
- s/set_host_arch/get_android_sdk_host_arch/ because the global variable
  for Android host architecture is removed now

Signed-off-by: Metin Kaya <metin.kaya@arm.com>

Author: metin-arm

tools/android/install_base.sh

@@ -42,16 +42,18 @@ test_os_release() {
     fi
 }
 
-function set_host_arch
+function get_android_sdk_host_arch
 {
-	# Google ABI type for Arm platforms
-	HOST_ARCH="arm64-v8a"
-
-	local machine
-	machine=$(uname -m)
-	if [[ "${machine}" == "x86"* ]]; then
-		HOST_ARCH=${machine}
-	fi
+    # Default to Google ABI type for Arm platforms
+    local arch="arm64-v8a"
+    local machine
+
+    machine=$(uname -m)
+    if [[ "${machine}" == "x86"* ]]; then
+        arch=${machine}
+    fi
+
+    echo "${arch}"
 }
 
 ANDROID_HOME="$(dirname "${0}")/android-sdk-linux"
@@ -60,7 +62,7 @@ export ANDROID_USER_HOME="${ANDROID_HOME}/.android"
 
 mkdir -p "${ANDROID_HOME}/cmdline-tools"
 
-CMDLINE_VERSION=${CMDLINE_VERSION:-"11076708"}
+ANDROID_CMDLINE_VERSION=${ANDROID_CMDLINE_VERSION:-"11076708"}
 
 cleanup_android_home() {
     echo "Cleaning up Android SDK: ${ANDROID_HOME}"
@@ -72,7 +74,7 @@ install_android_sdk_manager() {
     echo "Installing Android SDK manager ..."
 
     # URL taken from "Command line tools only": https://developer.android.com/studio
-    local url="https://dl.google.com/android/repository/commandlinetools-linux-${CMDLINE_VERSION}_latest.zip"
+    local url="https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_CMDLINE_VERSION}_latest.zip"
 
     echo "Downloading Android SDK manager from: $url"
     wget -qO- "${url}" | bsdtar -xf- -C "${ANDROID_HOME}/cmdline-tools"
@@ -117,29 +119,36 @@ call_android_avdmanager() {
 
 # Needs install_android_sdk_manager first
 install_android_tools() {
+    local android_sdk_host_arch
+
+    android_sdk_host_arch=$(get_android_sdk_host_arch)
+
     yes | call_android_sdkmanager --verbose --channel=0 --install "platform-tools"
     yes | call_android_sdkmanager --verbose --channel=0 --install "platforms;android-31"
     yes | call_android_sdkmanager --verbose --channel=0 --install "platforms;android-33"
     yes | call_android_sdkmanager --verbose --channel=0 --install "platforms;android-34"
-    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-31;google_apis;${HOST_ARCH}"
-    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-33;android-desktop;${HOST_ARCH}"
-    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-34;google_apis;${HOST_ARCH}"
+    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-31;google_apis;${android_sdk_host_arch}"
+    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-33;android-desktop;${android_sdk_host_arch}"
+    yes | call_android_sdkmanager --verbose --channel=0 --install "system-images;android-34;google_apis;${android_sdk_host_arch}"
 }
 
 create_android_vds() {
+    local android_sdk_host_arch
     local vd_name
 
+    android_sdk_host_arch=$(get_android_sdk_host_arch)
+
     vd_name="devlib-p6-12"
     echo "Creating virtual device \"${vd_name}\" (Pixel 6 - Android 12)..."
-    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-31;google_apis;${HOST_ARCH}" --skin pixel_6 -b "${HOST_ARCH}" -f
+    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-31;google_apis;${android_sdk_host_arch}" --skin pixel_6 -b "${android_sdk_host_arch}" -f
 
     vd_name="devlib-p6-14"
     echo "Creating virtual device \"${vd_name}\" (Pixel 6 - Android 14)..."
-    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-34;google_apis;${HOST_ARCH}" --skin pixel_6 -b "${HOST_ARCH}" -f
+    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-34;google_apis;${android_sdk_host_arch}" --skin pixel_6 -b "${android_sdk_host_arch}" -f
 
     vd_name="devlib-chromeos"
     echo "Creating virtual device \"${vd_name}\" (ChromeOS - Android 13, Pixel tablet)..."
-    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-33;android-desktop;${HOST_ARCH}" --skin pixel_tablet -b "${HOST_ARCH}" -f
+    echo no | call_android_avdmanager -s create avd -n "${vd_name}" -k "system-images;android-33;android-desktop;${android_sdk_host_arch}" --skin pixel_tablet -b "${android_sdk_host_arch}" -f
 }
 
 install_apt() {
@@ -183,7 +192,6 @@ if which apt-get &>/dev/null; then
     install_functions+=(install_apt)
     package_manager='apt-get'
     expected_distro="Ubuntu"
-
 elif which pacman &>/dev/null; then
     install_functions+=(install_pacman)
     package_manager="pacman"
@@ -223,8 +231,6 @@ else
     args=("$@")
 fi
 
-set_host_arch
-
 # Use conditional fall-through ;;& to all matching all branches with
 # --install-all
 for arg in "${args[@]}"; do

tools/docker/Dockerfile

@@ -63,9 +63,9 @@ RUN cd /devlib && \
     pip install --upgrade pip setuptools wheel && \
     pip install .[full]
 
-# Set CMDLINE_VERSION environment variable if you want to use a specific
-# version of Android command line tools rather than default which is
-# ``11076708`` as of writing this comment.
+# Set ANDROID_CMDLINE_VERSION environment variable if you want to use a
+# specific version of Android command line tools rather than default
+# which is ``11076708`` as of writing this comment.
 RUN cd /devlib/tools/android && ./install_base.sh
 
 # Set BUILDROOT_VERSION environment variable if you want to use a specific