Refactor after rebase against master

piptools/scripts/sync.py

@@ -10,7 +10,7 @@
 from ..exceptions import PipToolsError
 from ..logging import log
 from ..repositories import PyPIRepository
-from ..utils import flat_map
+from ..utils import create_install_command, flat_map
 
 DEFAULT_REQUIREMENTS_FILE = "requirements.txt"
 
@@ -106,15 +106,15 @@ def cli(
  log.error("ERROR: " + msg)
  sys.exit(2)
 
- repository = PyPIRepository()
+ install_command = create_install_command()
+ options, _ = install_command.parse_args([])
+ session = install_command._build_session(options)
+ finder = install_command._build_package_finder(options=options, session=session)
 
  # Parse requirements file. Note, all options inside requirements file
  # will be collected by the finder.
  requirements = flat_map(
- lambda src: parse_requirements(
- src, finder=repository.finder, session=repository.session
- ),
- src_files,
+ lambda src: parse_requirements(src, finder=finder, session=session), src_files
  )
 
  try:
@@ -127,7 +127,7 @@ def cli(
  to_install, to_uninstall = sync.diff(requirements, installed_dists)
 
  install_flags = _compose_install_flags(
- repository.finder,
+ finder,
  no_index=no_index,
  index_url=index_url,
  extra_index_url=extra_index_url,