android shell

Author: abueide

scripts/android-env.sh

@@ -1,57 +1,58 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 # Sets ANDROID_SDK_ROOT/ANDROID_HOME and PATH to the flake-pinned SDK if not already set.
 
 # Only act if neither var is already provided.
-if [[ -z "${ANDROID_SDK_ROOT:-}" && -z "${ANDROID_HOME:-}" ]]; then
+if [ -z "${ANDROID_SDK_ROOT:-}" ] && [ -z "${ANDROID_HOME:-}" ]; then
   DEVBOX_SDK_OUT=$(
     nix --extra-experimental-features 'nix-command flakes' \
       eval --raw "path:${DEVBOX_PROJECT_ROOT}/nix#android-sdk.outPath" 2>/dev/null || true
   )
-  if [[ -n "${DEVBOX_SDK_OUT:-}" && -d "$DEVBOX_SDK_OUT/libexec/android-sdk" ]]; then
+  if [ -n "${DEVBOX_SDK_OUT:-}" ] && [ -d "$DEVBOX_SDK_OUT/libexec/android-sdk" ]; then
     ANDROID_SDK_ROOT="$DEVBOX_SDK_OUT/libexec/android-sdk"
     ANDROID_HOME="$ANDROID_SDK_ROOT"
   fi
 fi
 
-if [[ -z "${ANDROID_SDK_ROOT:-}" && -n "${ANDROID_HOME:-}" ]]; then
+if [ -z "${ANDROID_SDK_ROOT:-}" ] && [ -n "${ANDROID_HOME:-}" ]; then
   ANDROID_SDK_ROOT="$ANDROID_HOME"
 fi
 
-if [[ -n "${ANDROID_SDK_ROOT:-}" && -z "${ANDROID_HOME:-}" ]]; then
+if [ -n "${ANDROID_SDK_ROOT:-}" ] && [ -z "${ANDROID_HOME:-}" ]; then
   ANDROID_HOME="$ANDROID_SDK_ROOT"
 fi
 
 export ANDROID_SDK_ROOT ANDROID_HOME
 
-if [[ -n "${ANDROID_SDK_ROOT:-}" ]]; then
+if [ -n "${ANDROID_SDK_ROOT:-}" ]; then
   # Prefer cmdline-tools;latest, or fall back to the highest numbered cmdline-tools folder.
   cmdline_tools_bin=""
-  if [[ -d "$ANDROID_SDK_ROOT/cmdline-tools/latest/bin" ]]; then
+  if [ -d "$ANDROID_SDK_ROOT/cmdline-tools/latest/bin" ]; then
     cmdline_tools_bin="$ANDROID_SDK_ROOT/cmdline-tools/latest/bin"
   else
     cmdline_tools_dir=$(find "$ANDROID_SDK_ROOT/cmdline-tools" -maxdepth 1 -mindepth 1 -type d -not -name latest 2>/dev/null | sort -V | tail -n 1)
-    if [[ -n "${cmdline_tools_dir:-}" && -d "$cmdline_tools_dir/bin" ]]; then
+    if [ -n "${cmdline_tools_dir:-}" ] && [ -d "$cmdline_tools_dir/bin" ]; then
       cmdline_tools_bin="$cmdline_tools_dir/bin"
     fi
   fi
 
-  new_path=(
-    "$ANDROID_SDK_ROOT/emulator"
-    "$ANDROID_SDK_ROOT/platform-tools"
-  )
+  new_path="$ANDROID_SDK_ROOT/emulator:$ANDROID_SDK_ROOT/platform-tools"
 
-  if [[ -n "${cmdline_tools_bin:-}" ]]; then
-    new_path+=("$cmdline_tools_bin")
+  if [ -n "${cmdline_tools_bin:-}" ]; then
+    new_path="$new_path:$cmdline_tools_bin"
   fi
 
-  new_path+=("$ANDROID_SDK_ROOT/tools/bin" "$PATH")
-  export PATH="$(IFS=:; echo "${new_path[*]}")"
+  new_path="$new_path:$ANDROID_SDK_ROOT/tools/bin:$PATH"
+  PATH="$new_path"
+  export PATH
   echo "Using Android SDK: $ANDROID_SDK_ROOT"
-  if [[ "${ANDROID_SDK_ROOT}" == /nix/store/* ]]; then
-    echo "Source: Nix flake (reproducible, pinned). To use your local SDK instead, set ANDROID_HOME/ANDROID_SDK_ROOT before starting devbox shell."
-  else
-    echo "Source: User/local SDK. To use the pinned Nix SDK, unset ANDROID_HOME/ANDROID_SDK_ROOT before starting devbox shell."
-  fi
+  case "$ANDROID_SDK_ROOT" in
+    /nix/store/*)
+      echo "Source: Nix flake (reproducible, pinned). To use your local SDK instead, set ANDROID_HOME/ANDROID_SDK_ROOT before starting devbox shell."
+      ;;
+    *)
+      echo "Source: User/local SDK. To use the pinned Nix SDK, unset ANDROID_HOME/ANDROID_SDK_ROOT before starting devbox shell."
+      ;;
+  esac
 else
   echo "Android SDK not set; using system PATH"
 fi