From 2598460f615db2f59ed4810375bde879e5fa2381 Mon Sep 17 00:00:00 2001
From: "Babak K. Shandiz" <babakks@github.com>
Date: Thu, 9 Apr 2026 14:07:15 +0100
Subject: [PATCH] chore: delete experimental script/debian-devel

Signed-off-by: Babak K. Shandiz <babakks@github.com>
---
 script/debian-devel | 561 --------------------------------------------
 1 file changed, 561 deletions(-)
 delete mode 100755 script/debian-devel

diff --git a/script/debian-devel b/script/debian-devel
deleted file mode 100755
index 606aafd2e..000000000
--- a/script/debian-devel
+++ /dev/null
@@ -1,561 +0,0 @@
-#!/bin/bash
-
-# Enable strict mode
-set -eo pipefail
-
-SCRIPT=$(basename "$0")
-ARCHITECTURES=("i386" "amd64" "arm64" "armhf")
-
-# Check if DEBUG is set to true or 1, enable debug print statements if so
-if [[ "$DEBUG" == "true" || "$DEBUG" == "1" ]]; then
-  set -x
-fi
-
-# Default artifacts directory
-ARTIFACTS_DIR="$(pwd)/deb-repo-test"
-
-bold() {
-  echo -e "\033[1m$1\033[0m"
-}
-
-header() {
-  echo
-  echo "================================================================================"
-  bold "$1"
-  echo
-}
-
-# Function to prompt user to continue to the next step with explanations
-prompt_continue() {
-  echo
-  read -p "Press Enter to continue..."
-}
-
-# Function to start up Docker container for environment
-docker_setup() {
-  # If the gpg-playground container already exists, prompt the user whether to tear it down
-  if [ "$(docker ps -a -q -f name=gpg-playground)" ]; then
-    read -p "Do you want to teardown the existing container and recreate it? (y/n): " choice
-    if [[ "$choice" == "y" || "$choice" == "Y" ]]; then
-      docker_teardown
-    else
-      echo "Skip setup and using existing container."
-      docker exec -it gpg-playground bash
-      exit 0
-    fi
-  fi
-
-  echo "Setting up a new container."
-  docker run -it -d --name gpg-playground -v "$(pwd)/script/debian-devel:/root/debian-devel" -w "/root" ubuntu:22.04
-
-  # Set up MOTD to display on shell entry
-  docker exec gpg-playground bash -c "cat >> /root/.bashrc << EOF
-
-# Display MOTD
-cat << "MOTD"
-================================================================================
-  Self-bootstrapping Debian Repository Development Environment
-================================================================================
-
-Welcome to the gpg-playground container!
-
-Available commands:
-  $SCRIPT setup      - Create initial Debian repository and packages
-  $SCRIPT newkey     - Generate new signing key
-  $SCRIPT deprecate  - Deprecate old signing key
-  $SCRIPT teardown   - Clean up repository and configuration
-
-Run $SCRIPT without arguments for full help.
-
-================================================================================
-MOTD
-EOF"
-
-  docker exec -it gpg-playground bash
-}
-
-# Function to handle the setup process
-setup() {
-  header "Step 1: Installing prerequisites"
-
-  if ! command -v sudo &> /dev/null; then
-    # This is to make sure the script runs on both containers and VMs.
-    apt-get update
-    apt-get install -y sudo
-  fi
-
-  sudo apt-get update
-  sudo apt-get install --no-upgrade -y busybox gpg reprepro tree
-
-  if [ ! -d "$ARTIFACTS_DIR" ]; then
-    echo "Directory does not exist. Creating $ARTIFACTS_DIR..."
-    mkdir -p "$ARTIFACTS_DIR"
-    echo "Directory $ARTIFACTS_DIR created."
-  else
-    echo "Directory $ARTIFACTS_DIR already exists."
-  fi
-
-  prompt_continue
-  header "Step 2: Creating a PGP key/cert that expires in 1 minute"
-
-  cd "$ARTIFACTS_DIR"
-  echo "%echo Generating an example PGP key
-Key-Type: RSA
-Key-Length: 4096
-Name-Real: example-key-1
-Name-Email: example@example.com
-Expire-Date: seconds=$((1 * 60))
-%no-ask-passphrase
-%no-protection
-%commit" > example-pgp-key-1.batch
-
-  mkdir -m 700 -p "$ARTIFACTS_DIR/temp-gpg-home"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --no-tty --batch --gen-key example-pgp-key-1.batch
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --armor --export-secret-keys > pgp-key.private # ASCII version
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --armor --export > pgp-key.public # ASCII version
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --export > pgp-key.gpg # Binary version
-
-  KEY1_FINGERPRINT="$(GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys --list-options show-only-fpr-mbox | cut -f1 -d' ' | head -n 1)"
-  echo -n "$KEY1_FINGERPRINT" > "$ARTIFACTS_DIR/key1-fingerprint"
-
-  echo "Generated PGP key with fingerprint: $KEY1_FINGERPRINT"
-
-  prompt_continue
-  header "Step 3: Creating the archive-keyring deb file"
-
-  mkdir -p "$ARTIFACTS_DIR/example-archive-keyring_0.0.1-1_all"
-  cd "$ARTIFACTS_DIR/example-archive-keyring_0.0.1-1_all"
-  mkdir -p usr/share/keyrings
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --export > usr/share/keyrings/example-archive-keyring.gpg
-  mkdir -p etc/apt/sources.list.d
-  echo -n "# Created by example-archive-keyring package
-deb [arch=$(echo "${ARCHITECTURES[@]}" | sed 's/ /,/g') allow-insecure=yes signed-by=/usr/share/keyrings/example-archive-keyring.gpg] http://127.0.0.1:8000/apt-repo stable main
-" > etc/apt/sources.list.d/example.list
-
-  # Add the preferences file to enable automatic upgrades for the archive keyring package.
-  # The `Pin-Priority: 100` ensures that the package is considered for upgrades.
-  #
-  # See:
-  # - https://wiki.debian.org/DebianRepository/UseThirdParty#Standard_pinning
-  # - https://wiki.debian.org/DebianRepository/UseThirdParty#Certificate_rollover_and_updates
-  mkdir -p etc/apt/preferences.d
-  echo -n "# Created by example-archive-keyring package
-Package: example-archive-keyring
-Pin: origin example.com
-Pin-Priority: 100
-" > etc/apt/preferences.d/example.pref
-
-  mkdir -p DEBIAN
-  # The "Section:" and "Priority:" values are to make the deb files similar to what
-  # we build in our CI. Also, omitting them from here will result in reprepro failure.
-  echo -n "Package: example-archive-keyring
-Version: 0.0.1
-Maintainer: example <example@example.com>
-Architecture: all
-Section:
-Priority: optional
-Homepage: http://example.com
-Description: Example archive keyring
-" > DEBIAN/control
-  echo "Control file for example-archive-keyring created at $ARTIFACTS_DIR/example-archive-keyring_0.0.1-1_all/DEBIAN/control"
-
-  cd "$ARTIFACTS_DIR"
-  dpkg --build example-archive-keyring_0.0.1-1_all
-  echo "Deb package created: example-archive-keyring_0.0.1-1_all.deb"
-
-  # To inspect the .deb package:
-  # dpkg-deb --info example-archive-keyring_0.0.1-1_all.deb
-  # dpkg-deb --contents example-archive-keyring_0.0.1-1_all.deb
-
-  prompt_continue
-  header "Step 4: Creating the hello-world deb files for supported architectures"
-
-  for arch in "${ARCHITECTURES[@]}"; do
-    mkdir -p "$ARTIFACTS_DIR/hello-world_0.0.1-1_$arch"
-    cd "$ARTIFACTS_DIR/hello-world_0.0.1-1_$arch"
-
-    mkdir -p usr/bin
-    cat << EOF > usr/bin/hello-world
-#!/bin/bash
-echo "hello world (packaged for $arch)"
-EOF
-    chmod +x usr/bin/hello-world
-
-    # Create DEBIAN control file
-    mkdir -p DEBIAN
-    # The "Section:" and "Priority:" values are to make the deb files similar to what
-    # we build in our CI. Also, omitting them from here will result in reprepro failure.
-    echo "Package: hello-world
-Version: 0.0.1
-Maintainer: example <example@example.com>
-Architecture: $arch
-Section:
-Priority: optional
-Homepage: http://example.com
-Description: A statically compiled Go program that prints hello" > DEBIAN/control
-
-    # Build the deb package
-    cd "$ARTIFACTS_DIR"
-    dpkg --build hello-world_0.0.1-1_$arch
-    echo "Deb package created: hello-world_0.0.1-1_$arch.deb"
-
-    # Inspect the deb package
-    # dpkg-deb --info hello-world_0.0.1-1_$arch.deb
-    # dpkg-deb --contents hello-world_0.0.1-1_$arch.deb
-  done
-
-  prompt_continue
-  header "Step 5: Creating apt repository using reprepro"
-
-  mkdir -p "$ARTIFACTS_DIR/apt-repo"
-
-  # make reprepro config template file
-  cat <<EOF > "$ARTIFACTS_DIR/distributions.template"
-Origin: Example Repository
-Label: Example
-Codename: stable
-Architectures: ${ARCHITECTURES[@]}
-Components: main
-Description: An example software repository
-SignWith: <FINGERPRINT-PLACEHOLDER>
-EOF
-
-  # Create a temp directory before calling reprepro. This is to mimic the stateless
-  # implementation we have in our CI workflow. Further reprepro calls will have a
-  # separate temp directory.
-  mkdir -p "$ARTIFACTS_DIR/temp-reprepro-1/conf"
-  cd "$ARTIFACTS_DIR/temp-reprepro-1/conf"
-  cp "$ARTIFACTS_DIR/distributions.template" distributions
-  sed -i "s/<FINGERPRINT-PLACEHOLDER>/$KEY1_FINGERPRINT/g" distributions
-
-  cd "$ARTIFACTS_DIR/temp-reprepro-1"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/example-archive-keyring_0.0.1-1_all.deb"
-  for arch in "${ARCHITECTURES[@]}"; do
-    GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/hello-world_0.0.1-1_$arch.deb"
-  done
-  cp -a dists/ pool/ "$ARTIFACTS_DIR/apt-repo/"
-
-  echo "This is the content of the Packages file (for amd64):"
-  cat dists/stable/main/binary-amd64/Packages
-  echo "! Note that there should be two entries above; hello-world and the archive-keyring package."
-
-  prompt_continue
-  header "Step 6: Hosting repository with a simple HTTP server"
-
-  cd "$ARTIFACTS_DIR"
-  busybox httpd -p 8000 # runs in background by default
-  echo "HTTP server started at http://127.0.0.1:8000"
-
-  prompt_continue
-  header "Step 7: Adding apt repo entry to /etc/apt/sources.list.d"
-
-  # Install the trust anchor (public key) on the host system for later verification.
-  #
-  # Note: This trust anchor installation is the manual step that should be done when the
-  # package is installed for the first time. That is we should still include this step
-  # in our installation docs as we already have it. Future automatic upgrades of the
-  # archive-keyring package will update the installed keyring, so the user would not
-  # need to do this step ever again.
-
-  sudo mkdir -p -m 755 /usr/share/keyrings
-  sudo cp "$ARTIFACTS_DIR/pgp-key.gpg" /usr/share/keyrings/example-archive-keyring.gpg
-  sudo chmod go+r /usr/share/keyrings/example-archive-keyring.gpg
-
-  echo "deb [arch=$(echo "${ARCHITECTURES[@]}" | sed 's/ /,/g') allow-insecure=yes signed-by=/usr/share/keyrings/example-archive-keyring.gpg] http://127.0.0.1:8000/apt-repo stable main" | sudo tee /etc/apt/sources.list.d/example.list
-  echo
-  echo "! Note that with this config, apt allows plain HTTP comms but still verifies package signatures."
-  echo "! If you wait here until the generated key expires, you'll see the next step fails due to the expired key."
-
-  prompt_continue
-  header "Step 8: Updating apt and installing the packages"
-
-  sudo apt-get update # We don't need --allow-insecure-repositories
-  sudo apt-get install -y example-archive-keyring hello-world
-
-  echo
-  bold "✅ Hello World and the archive keyring packages installed successfully."
-  echo
-  echo "Run 'newkey' target next to rotate the signing key."
-  echo
-  echo "! Note that there should be no warnings about unverified packages in the logs above."
-}
-
-# Function to handle the signing key rotation process
-newkey() {
-  # Verify that the current key is not yet expired
-  header "Step 1: Verifying the current key is not yet expired"
-
-  KEY1_FINGERPRINT="$(cat "$ARTIFACTS_DIR/key1-fingerprint")"
-
-  expiry_date="$(GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys --with-colons --fingerprint $KEY1_FINGERPRINT | grep -E "^pub:" | cut -f7 -d:)"
-  current_date="$(date +%s)"
-  if [ "$expiry_date" -lt "$current_date" ]; then
-    echo
-    bold "⚠️ The key is already expired. Please 'teardown' and start over."
-    exit 1
-  else
-    echo "Confirmed that the current signing key is still valid."
-  fi
-
-  # Generate a new key and add it to the keyring
-  prompt_continue
-  header "Step 2: Generating a new PGP key (expires in 15 mins) and add it to the keyring"
-
-  # Get the list of existing keys
-  existing_keys_list="$(GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys --with-colons)"
-
-  cd "$ARTIFACTS_DIR"
-  echo "%echo Generating an example PGP key
-Key-Type: RSA
-Key-Length: 4096
-Name-Real: example-key-2
-Name-Email: example@example.com
-Expire-Date: seconds=$((15 * 60))
-%no-ask-passphrase
-%no-protection
-%commit" > example-pgp-key-2.batch
-
-  mkdir -m 700 -p "$ARTIFACTS_DIR/temp-gpg-home"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --no-tty --batch --gen-key example-pgp-key-2.batch
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --armor --export-secret-keys > pgp-key.private # ASCII version
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --armor --export > pgp-key.public # ASCII version
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --export > pgp-key.gpg # Binary version
-
-  new_keys_list="$(GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys --with-colons)"
-  added_key="$(comm -1 -3 <(echo "$existing_keys_list" | sort) <(echo "$new_keys_list" | sort))"
-  KEY2_FINGERPRINT="$(echo "$added_key" | grep -E "^fpr:" | cut -f10 -d: | head -n1)"
-  echo -n "$KEY2_FINGERPRINT" > "$ARTIFACTS_DIR/key2-fingerprint"
-
-  echo "Generated PGP key with fingerprint: $KEY2_FINGERPRINT"
-
-  prompt_continue
-  header "Step 3: Generating the new archive-keyring package and updating the apt repository."
-
-  # create a copy of the files of the previous version of the archive keyring package
-  cp -r "$ARTIFACTS_DIR/example-archive-keyring_0.0.1-1_all" "$ARTIFACTS_DIR/example-archive-keyring_0.0.2-1_all"
-  # update the keyring file with the new keyring (including both keys)
-  cd "$ARTIFACTS_DIR/example-archive-keyring_0.0.2-1_all"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --export > usr/share/keyrings/example-archive-keyring.gpg
-  # bump the version in the debian control file
-  sed -i 's/Version: 0\.0\.1/Version: 0.0.2/' DEBIAN/control
-
-  cd "$ARTIFACTS_DIR"
-  dpkg --build example-archive-keyring_0.0.2-1_all
-  echo "Deb package created: example-archive-keyring_0.0.2-1_all.deb"
-
-  # To inspect the .deb package:
-  # dpkg-deb --info example-archive-keyring_0.0.2-1_all.deb
-  # dpkg-deb --contents example-archive-keyring_0.0.2-1_all.deb
-
-  # Create a new temp directory before calling reprepro.
-  mkdir -p "$ARTIFACTS_DIR/temp-reprepro-2/conf"
-  cd "$ARTIFACTS_DIR/temp-reprepro-2/conf"
-  cp "$ARTIFACTS_DIR/distributions.template" distributions
-  sed -i "s/<FINGERPRINT-PLACEHOLDER>/$KEY1_FINGERPRINT $KEY2_FINGERPRINT/g" distributions
-
-  cd "$ARTIFACTS_DIR/temp-reprepro-2"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/example-archive-keyring_0.0.2-1_all.deb"
-  for arch in "${ARCHITECTURES[@]}"; do
-    GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/hello-world_0.0.1-1_$arch.deb"
-  done
-  cp -a dists/ pool/ "$ARTIFACTS_DIR/apt-repo/"
-
-  cd "$ARTIFACTS_DIR/apt-repo"
-  echo "New packages (for amd64):"
-  cat dists/stable/main/binary-amd64/Packages
-
-  echo
-  bold "✅ apt repository has been updated with the new archive keyring package."
-  echo
-  echo "! Note that there should be two entries above, with the archive keyring version bumped to 0.0.2."
-
-  prompt_continue
-  header "Step 4: Upgrading the archive keyring package on the host system."
-
-  sudo apt-get update
-  sudo apt-get install -y --only-upgrade example-archive-keyring
-
-  echo
-  bold "✅ archive-keyring package upgraded successfully."
-  echo
-  echo "Run 'deprecate' target next to deprecate the old key."
-  echo
-  echo "! Note that in the above logs the archive-keyring is now bumped to 0.0.2."
-}
-
-deprecate() {
-  header "Step 1: Verifying the old/first key is expired"
-
-  KEY1_FINGERPRINT="$(cat "$ARTIFACTS_DIR/key1-fingerprint")"
-  KEY2_FINGERPRINT="$(cat "$ARTIFACTS_DIR/key2-fingerprint")"
-
-  expiry_date="$(GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --list-keys --with-colons --fingerprint $KEY1_FINGERPRINT | grep -E "^pub:" | cut -f7 -d:)"
-  current_date="$(date +%s)"
-
-  if [ "$expiry_date" -gt "$current_date" ]; then
-    SLEEP=$(( $expiry_date - $current_date + 2 ))
-    bold "Sleeping $SLEEP seconds to allow the old/first key to expire."
-    sleep $SLEEP
-  fi
-
-  prompt_continue
-  header "Step 2: Generating the new archive-keyring package with the old key removed."
-
-  # create a copy of the files of the previous version of the archive keyring package
-  cp -r "$ARTIFACTS_DIR/example-archive-keyring_0.0.2-1_all" "$ARTIFACTS_DIR/example-archive-keyring_0.0.3-1_all"
-  # update the keyring file with the new keyring (now with only the latest key)
-  cd "$ARTIFACTS_DIR/example-archive-keyring_0.0.3-1_all"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" gpg --export $KEY2_FINGERPRINT > usr/share/keyrings/example-archive-keyring.gpg
-  # bump the version in the debian control file
-  sed -i 's/Version: 0\.0\.2/Version: 0.0.3/' DEBIAN/control
-
-  cd "$ARTIFACTS_DIR"
-  dpkg --build example-archive-keyring_0.0.3-1_all
-  echo "Deb package created: example-archive-keyring_0.0.3-1_all.deb"
-
-  # To inspect the .deb package:
-  # dpkg-deb --info example-archive-keyring_0.0.3-1_all.deb
-  # dpkg-deb --contents example-archive-keyring_0.0.3-1_all.deb
-
-  # Create a new temp directory before calling reprepro.
-  mkdir -p "$ARTIFACTS_DIR/temp-reprepro-3/conf"
-  cd "$ARTIFACTS_DIR/temp-reprepro-3/conf"
-  cp "$ARTIFACTS_DIR/distributions.template" distributions
-  sed -i "s/<FINGERPRINT-PLACEHOLDER>/$KEY2_FINGERPRINT/g" distributions
-
-  cd "$ARTIFACTS_DIR/temp-reprepro-3"
-  GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/example-archive-keyring_0.0.3-1_all.deb"
-  for arch in "${ARCHITECTURES[@]}"; do
-    GNUPGHOME="$ARTIFACTS_DIR/temp-gpg-home" reprepro includedeb stable "$ARTIFACTS_DIR/hello-world_0.0.1-1_$arch.deb"
-  done
-  cp -a dists/ pool/ "$ARTIFACTS_DIR/apt-repo/"
-
-  cd "$ARTIFACTS_DIR/apt-repo"
-  echo "New packages (for amd64):"
-  cat dists/stable/main/binary-amd64/Packages
-
-  echo
-  bold "✅ apt repository has been updated with the new archive keyring package."
-  echo
-  echo "! Note that there should be two entries above, with the archive keyring version bumped to 0.0.3."
-
-  prompt_continue
-  header "Step 3: Upgrading the archive keyring package on the host system."
-
-  sudo apt-get update
-  sudo apt-get install -y --only-upgrade example-archive-keyring
-
-  echo
-  bold "✅ archive-keyring package upgraded successfully."
-  echo
-  echo "! Note that in the above logs the archive-keyring is now bumped to 0.0.3."
-}
-
-# Function to handle the teardown process
-teardown() {
-  # Kill the HTTP server if it's running
-  if pgrep -f "busybox httpd" > /dev/null; then
-    header "Stopping the HTTP server..."
-    pkill -f "busybox httpd"
-    echo "Server stopped."
-  fi
-
-  # Check if the hello-world package is installed, and remove it safely
-  if dpkg -l | grep -q "^ii  hello-world"; then
-    header "Removing the hello-world package..."
-    sudo apt-get remove --purge -y hello-world
-    echo "Package hello-world removed."
-  else
-    echo "Package hello-world is not installed, skipping removal."
-  fi
-
-  # Remove the PGP keyrings
-  if [ -f /etc/apt/keyrings/example-archive-keyring.gpg ]; then
-    header "Removing the PGP keyring from /etc/apt/keyrings..."
-    sudo rm /etc/apt/keyrings/example-archive-keyring.gpg
-    echo "PGP keyring removed from /etc/apt/keyrings."
-  fi
-
-  if [ -f /usr/share/keyrings/example-archive-keyring.gpg ]; then
-    header "Removing the PGP keyring from /usr/share/keyrings..."
-    sudo rm /usr/share/keyrings/example-archive-keyring.gpg
-    echo "PGP keyring removed from /usr/share/keyrings."
-  fi
-
-  # Kill gpg-agent
-  if pgrep "^gpg-agent" > /dev/null; then
-    header "Stopping the GPG agent..."
-    pkill "^gpg-agent"
-    echo "GPG agent stopped."
-  fi
-
-  # Remove the artifacts directory
-  if [ -d "$ARTIFACTS_DIR" ]; then
-    header "Removing the artifacts directory: $ARTIFACTS_DIR"
-    rm -rf "$ARTIFACTS_DIR"
-    echo "Artifacts directory removed."
-  fi
-
-  # Remove installed test packages
-  if [ -f /etc/apt/sources.list.d/example.list ]; then
-    sudo apt-get remove example-archive-keyring hello-world -y || echo "Test packages not installed, skipping removal."
-  fi
-
-  # Remove apt source remains (if not removed by the above command)
-  if [ -f /etc/apt/sources.list.d/example.list ]; then
-    header "Removing the repository from /etc/apt/sources.list.d..."
-    sudo rm /etc/apt/sources.list.d/example.list
-    echo "Repository removed."
-  fi
-
-  # Remove the preferences from preferences.d
-  if [ -f /etc/apt/preferences.d/example.pref ]; then
-    header "Removing the preferences from /etc/apt/preferences.d..."
-    sudo rm /etc/apt/preferences.d/example.pref
-    echo "Preferences removed."
-  fi
-
-  # Clean apt cache
-  header "Cleaning apt cache..."
-  sudo apt-get clean
-  sudo apt-get update
-  echo "Cleanup complete."
-}
-
-# Function to start up Docker container for environment
-docker_teardown() {
-  docker stop gpg-playground && docker rm gpg-playground
-}
-
-# Check for the setup or teardown argument
-if [ "$1" == "docker_setup" ]; then
-  docker_setup
-elif [ "$1" == "setup" ]; then
-  setup
-elif [ "$1" == "newkey" ]; then
-  newkey
-elif [ "$1" == "deprecate" ]; then
-  deprecate
-elif [ "$1" == "teardown" ]; then
-  teardown
-elif [ "$1" == "docker_teardown" ]; then
-  docker_teardown
-else
-  echo "
-$(bold "Self-bootstrapping Debian repository development tool")
-
-Usage: $SCRIPT TARGET
-
-The following targets are typical order used to setup and exercise the GitHub CLI Debian packaging process:
-
-- $(bold docker_setup):     create Docker container for testing environment
-- $(bold setup):            create initial Debian repository, create and sign sample application and keyring archive packages
-- $(bold newkey):           generate new signing key, update keyring archive package
-- $(bold deprecate):        deprecate old signing key, update keyring archive package, sign new sample application package
-- $(bold teardown):         clean up Debian repository and local configuration
-- $(bold docker_teardown):  stop and remove Docker container
-"
-  exit 1
-fi