try publishing an existing feature

.devcontainer/features/stolen4test/devcontainer-feature.json

@@ -0,0 +1,34 @@
+{
+    "name": "Pinched Android SDK",
+    "id": "stolen-android-sdk",
+    "version": "1.2.0",
+    "description": "Stolen for testing feature publishing.",
+    "containerEnv": {
+        "ANDROID_HOME": "/usr/local/lib/android",
+        "ANDROID_SDK_ROOT": "$ANDROID_HOME",
+        "PATH": "$PATH:$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools"
+    },
+    "options": {
+        "platform": {
+            "type": "string",
+            "default": "34",
+            "description": "SDK platform version"
+        },
+        "build_tools": {
+            "type": "string",
+            "default": "34.0.0",
+            "description": "SDK build-tools version"
+        },
+        "base_packages": {
+            "type": "string",
+            "default": "",
+            "description": "packages will override default packages, split by space"
+        },
+        "extra_packages": {
+            "type": "string",
+            "default": "",
+            "description": "extra packages, split by space"
+        }
+    },
+    "installsAfter": ["ghcr.io/devcontainers/features/common-utils", "ghcr.io/akhildevelops/devcontainer-features/apt"]
+}

.devcontainer/features/stolen4test/install.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+set -e
+set +H
+
+URL_SDK="https://dl.google.com/android/repository/commandlinetools-linux-10406996_latest.zip"
+
+# Options.
+if [ -z "$PLATFORM" ]; then
+    PLATFORM="34"
+fi
+if [ -z "$BUILD_TOOLS" ]; then
+    BUILD_TOOLS="34.0.0"
+fi
+if [ -n "$BASE_PACKAGES" ]; then
+    IFS=' ' read -ra PACKAGES <<< "$BASE_PACKAGES"
+else
+    PACKAGES=( "platform-tools" "platforms;android-$PLATFORM" "build-tools;$BUILD_TOOLS" )
+fi
+if [ -n "$EXTRA_PACKAGES" ]; then
+    IFS=' ' read -ra extra <<< "$EXTRA_PACKAGES"
+    PACKAGES=("${PACKAGES[@]}" "${extra[@]}")
+fi
+
+DEBIAN_FRONTEND="noninteractive" sudo apt update &&
+    sudo apt install --no-install-recommends -y openjdk-17-jdk-headless unzip wget usbutils &&
+    apt clean
+
+# Prepare install folder.
+mkdir -p "$ANDROID_HOME"
+chown -R "$_REMOTE_USER:$_REMOTE_USER" "$ANDROID_HOME"
+
+su - "$_REMOTE_USER"
+
+cd $ANDROID_HOME
+
+wget -q "$URL_SDK" -O sdk.zip
+unzip sdk.zip
+rm sdk.zip
+
+mkdir -p $ANDROID_HOME/cmdline-tools/latest
+cd $ANDROID_HOME/cmdline-tools
+shopt -s extglob dotglob
+mv !(latest) latest
+shopt -u dotglob
+
+cd $ANDROID_HOME
+
+export PATH="$PATH:$ANDROID_HOME/cmdline-tools/latest/bin"
+
+# Save original JAVA_HOME.
+OG_JAVA_HOME=$JAVA_HOME
+
+# thanks https://askubuntu.com/questions/772235/how-to-find-path-to-java#comment2258200_1029326.
+export JAVA_HOME=$(dirname $(dirname $(update-alternatives --list javac 2>&1 | head -n 1)))
+
+# TODO: Update everything to future-proof for the link getting stale.
+# yes | sdkmanager "cmdline-tools;latest"
+# Download the platform tools.
+yes | sdkmanager "${PACKAGES[@]}"
+
+# Restore JAVA_HOME.
+export JAVA_HOME=$OG_JAVA_HOME
+
+# Make sure the Android SDK has the correct permissions.
+sudo chown -R "$_REMOTE_USER:$_REMOTE_USER" "$ANDROID_HOME"
+
+# Exist subshell.
+exit