Refreshing during injection

[Jupi007]

$ snapcraft --verbose
Starting Snapcraft 7.2.1.post14+gitc7ce663f                                                                                                                
Logging execution to '/home/jupiter007/.cache/snapcraft/log/snapcraft-20221109-152303.181976.log'                                                          
Running on amd64 for amd64                                                                                                                                 
Launching instance... / (32.1s)                                                                                                                            Traceback (most recent call last):
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/actions/snap_installer.py", line 320, in inject_from_host
    executor.execute_run(
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/lxd/lxd_instance.py", line 289, in execute_run
    return self.lxc.exec(
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/lxd/lxc.py", line 329, in exec
    return runner(final_cmd, **kwargs)  # pylint: disable=subprocess-run-check
  File "/snap/snapcraft/8506/usr/lib/python3.8/subprocess.py", line 516, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['lxc', '--project', 'snapcraft', 'exec', 'local:snapcraft-flutter-app-on-amd64-for-amd64-28846576', '--', 'env', 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin', 'SNAPCRAFT_MANAGED_MODE=1', 'snap', 'install', '/tmp/snapcraft.snap', '--classic']' returned non-zero exit status 10.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/bases/buildd.py", line 480, in _install_snaps
    snap_installer.inject_from_host(
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/actions/snap_installer.py", line 328, in inject_from_host
    raise SnapInstallationError(
craft_providers.actions.snap_installer.SnapInstallationError: failed to install snap 'snapcraft'
* Command that failed: 'lxc --project snapcraft exec local:snapcraft-flutter-app-on-amd64-for-amd64-28846576 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin SNAPCRAFT_MANAGED_MODE=1 snap install /tmp/snapcraft.snap --classic'
* Command exit code: 10
* Command standard error output: b'error: snap "snapcraft" has "auto-refresh" change in progress\n'
Launching instance... - (32.2s)                                                                                                                            
The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/lxd/lxd_provider.py", line 126, in launched_environment
    instance = launch(
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/lxd/launcher.py", line 212, in launch
    base_configuration.setup(executor=instance)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/bases/buildd.py", line 354, in setup
    self._install_snaps(executor=executor, deadline=deadline)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/bases/buildd.py", line 486, in _install_snaps
    raise BaseConfigurationError(
craft_providers.bases.errors.BaseConfigurationError: failed to inject host's snap 'snapcraft' into target environment.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/snap/snapcraft/8506/bin/snapcraft", line 8, in <module>
    sys.exit(run())
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/cli.py", line 228, in run
    _run_dispatcher(dispatcher)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/cli.py", line 204, in _run_dispatcher
    dispatcher.run()
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_cli/dispatcher.py", line 448, in run
    return self._loaded_command.run(self._parsed_command_args)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/commands/lifecycle.py", line 259, in run
    super().run(parsed_args)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/commands/lifecycle.py", line 132, in run
    parts_lifecycle.run(self.name, parsed_args)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/parts/lifecycle.py", line 208, in run
    _run_command(
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/parts/lifecycle.py", line 249, in _run_command
    _run_in_provider(project, command_name, parsed_args)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/snapcraft/parts/lifecycle.py", line 531, in _run_in_provider
    with provider.launched_environment(
  File "/snap/snapcraft/8506/usr/lib/python3.8/contextlib.py", line 113, in __enter__
    return next(self.gen)
  File "/snap/snapcraft/8506/lib/python3.8/site-packages/craft_providers/lxd/lxd_provider.py", line 140, in launched_environment
    raise LXDError(str(error)) from error
craft_providers.lxd.errors.LXDError: failed to inject host's snap 'snapcraft' into target environment.

[mr-cal]

The build provider code in snapcraft core18|20 disables and waits for refreshes to complete.

This needs to be ported to craft-providers.

(CRAFT-1472)

[mr-cal]

Resolved with #182