Add support for running apt with --no-install-recommends and --no-upgrade.

Author: gtjoseph

README.md

@@ -35,6 +35,8 @@ There are three kinds of version labels you can use.
 - `packages` - Space delimited list of packages to install.
 - `version` - Version of cache to load. Each version will have its own cache. Note, all characters except spaces are allowed.
 - `execute_install_scripts` - Execute Debian package pre and post install script upon restore. See [Caveats / Non-file Dependencies](#non-file-dependencies) for more information.
+- `no_install_recommends` - Add the `--no-install-recommends` option to the `apt install` command for cache creation to prevent automatic installation of recommended packages.
+- `no_upgrade` - Add the `--no-upgrade` option to the `apt install` command for cache creation to prevent automatic upgrade of existing packages.
 - `empty_packages_behavior` - Desired behavior when the given `packages` is empty. `'error'` (default), `'warn'` or `'ignore'`.
 - `add-repository` - Space delimited list of repositories to add via `apt-add-repository` before installing packages. Supports PPA (e.g., `ppa:user/repo`) and other repository formats.
 

action.yml

@@ -18,6 +18,14 @@ inputs:
     description: 'Execute Debian package pre and post install script upon restore. See README.md caveats for more information.'
     required: false
     default: 'false'
+  no_install_recommends:
+    description: 'Don''t install recommended packages when creating new cache.'
+    required: false
+    default: 'false'
+  no_upgrade:
+    description: 'Don''t upgrade existing packages when creating new cache.'
+    required: false
+    default: 'false'
   empty_packages_behavior:
     description: >
       Desired behavior when the provided package list is empty.
@@ -94,6 +102,8 @@ runs:
           / \
           "$CACHE_HIT" \
           "$EXEC_INSTALL_SCRIPTS" \
+          "$NO_INSTALL_RECOMMENDS" \
+          "$NO_UPGRADE" \
           "$DEBUG" \
           "$ADD_REPOSITORY" \
           "$PACKAGES"
@@ -104,6 +114,8 @@ runs:
       env:
          CACHE_HIT: "${{ steps.load-cache.outputs.cache-hit }}"
          EXEC_INSTALL_SCRIPTS: "${{ inputs.execute_install_scripts }}"
+         NO_INSTALL_RECOMMENDS: "${{ inputs.no_install_recommends }}"
+         NO_UPGRADE: "${{ inputs.no_upgrade }}"
          DEBUG: "${{ inputs.debug }}"
          ADD_REPOSITORY: "${{ inputs.add-repository }}"
          PACKAGES: "${{ inputs.packages }}"

install_and_cache_pkgs.sh

@@ -15,11 +15,17 @@ source "${script_dir}/lib.sh"
 # Directory that holds the cached packages.
 cache_dir="${1}"
 
+# Don't install recommended packages.
+no_install_recommends="${3}"
+
+# Don't upgrade existing packages.
+no_upgrade="${4}"
+
 # Repositories to add before installing packages.
-add_repository="${3}"
+add_repository="${5}"
 
 # List of the packages to use.
-input_packages="${@:4}"
+input_packages="${@:6}"
 
 if ! apt-fast --version > /dev/null 2>&1; then
   log "Installing apt-fast for optimized installs..."
@@ -69,9 +75,17 @@ manifest_all=""
 
 install_log_filepath="${cache_dir}/install.log"
 
+declare -a apt_options
+if test "${no_install_recommends}" = "true" ; then
+  apt_options+=( "--no-install-recommends" )
+fi
+if test "${no_upgrade}" = "true" ; then
+  apt_options+=( "--no-upgrade" )
+fi
+
 log "Clean installing ${package_count} packages..."
 # Zero interaction while installing or upgrading the system via apt.
-sudo DEBIAN_FRONTEND=noninteractive apt-fast --yes install ${packages} > "${install_log_filepath}"
+sudo DEBIAN_FRONTEND=noninteractive apt-fast --yes install ${apt_options[@]} ${packages} > "${install_log_filepath}"
 log "done"
 log "Installation log written to ${install_log_filepath}"
 

post_cache_action.sh

@@ -21,20 +21,26 @@ cache_hit="${3}"
 # Cache and execute post install scripts on restore.
 execute_install_scripts="${4}"
 
+# Don't install recommended packages.
+no_install_recommends="${5}"
+
+# Don't upgrade existing packages.
+no_upgrade="${6}"
+
 # Debug mode for diagnosing issues.
-debug="${5}"
+debug="${7}"
 test "${debug}" = "true" && set -x
 
 # Repositories to add before installing packages.
-add_repository="${6}"
+add_repository="${8}"
 
 # List of the packages to use.
-packages="${@:7}"
+packages="${@:9}"
 
 if test "${cache_hit}" = "true"; then
   ${script_dir}/restore_pkgs.sh "${cache_dir}" "${cache_restore_root}" "${execute_install_scripts}" "${debug}"
 else
-  ${script_dir}/install_and_cache_pkgs.sh "${cache_dir}" "${debug}" "${add_repository}" ${packages}
+  ${script_dir}/install_and_cache_pkgs.sh "${cache_dir}" "${debug}" "${no_install_recommends}" "${no_upgrade}" "${add_repository}" ${packages}
 fi
 
 log_empty_line