Optionalize bash completion. (#6441)

To allow for a low-dependency installation of cloud-init, optionalize the
bash-completion dependency, defaulted to true. This means behaviorally
nothing changes, but that the bash-completion features can be easily
turned off if not desired.

Author: 3405691582

meson.build

@@ -28,16 +28,18 @@ install_subdir(
 )
 
 # Binaries and script entrypoints
-bash_completions_dir = dependency('bash-completion').get_variable(
-  pkgconfig: 'completionsdir',
-  default_value: get_option('datadir') / 'bash-completion' / 'completions',
-)
-install_data(
-  'bash_completion/cloud-init',
-  install_dir: bash_completions_dir,
-  install_mode: 'rw-r--r--',
-  install_tag: 'bin',
-)
+if get_option('bash_completion')
+  bash_completions_dir = dependency('bash-completion').get_variable(
+    pkgconfig: 'completionsdir',
+    default_value: get_option('datadir') / 'bash-completion' / 'completions',
+  )
+  install_data(
+    'bash_completion/cloud-init',
+    install_dir: bash_completions_dir,
+    install_mode: 'rw-r--r--',
+    install_tag: 'bin',
+  )
+endif
 
 install_data(
   [

meson_options.txt

@@ -1,3 +1,4 @@
 option('init_system', type: 'string', value: 'systemd', description: 'Set target init system.')
 option('distro_templates', type: 'array', value: [], description: 'Distro template files to install. WARNING: Templates may change in the future. If using this option, be sure to check new releases for template file changes.')
 option('disable_sshd_keygen', type: 'boolean', value: false, description: 'Provide systemd service to disable sshd-keygen if present to avoid races with cloud-init.')
+option('bash_completion', type: 'boolean', value: true, description: 'Bash completion for cloud-init.')