prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Improve the logic in the  ACSHandleStage
  **Version**
  main
  
  **Describe the bug**
  If there are ACS that point to the same content, pick the first RA instead of last
  
  **To Reproduce**
  Steps to reproduce the behavior:
  
  **Expected behavior**
  A clear and concise description of what you expected to happen.
  
  **Additional context**
  Add any other context about the problem here.  Please provide links to any previous discussions via Discourse or Bugzilla.
  
  
  </issue>
  <code>
  [start of pulpcore/plugin/repo_version_utils.py]
  1 from collections import defaultdict
  2 from gettext import gettext as _
  3 import logging
  4 
  5 from django.db.models import Q
  6 
  7 
  8 _logger = logging.getLogger(__name__)
  9 
  10 
  11 def remove_duplicates(repository_version):
  12     """
  13     Inspect content additions in the `RepositoryVersion` and replace repository duplicates.
  14 
  15     Some content can have two instances A and B which are unique, but cannot both exist together in
  16     one repository. For example, pulp_file's content has `relative_path` for that file within the
  17     repository.
  18 
  19     Any content newly added to the :class:`~pulpcore.plugin.models.RepositoryVersion` is checked
  20     against existing content in the :class:`~pulpcore.plugin.models.RepositoryVersion` with newer
  21     "repository duplicates" replace existing "repository duplicates". Each Content model can define
  22     a `repo_key_fields` attribute with the field names to be compared. If all `repo_key_fields`
  23     contain the same value for two content units, they are considered "repository duplicates".
  24 
  25     After instantiating `RemoveDuplicates` call it with the `run()` method and pass in the
  26     :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked and possibly modified as a
  27     parameter to `run()`.
  28 
  29     Args:
  30         repository_version: The :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked
  31             and possibly modified.
  32     """
  33     query_for_repo_duplicates_by_type = defaultdict(lambda: Q())
  34     for item in repository_version.added():
  35         detail_item = item.cast()
  36         if detail_item.repo_key_fields == ():
  37             continue
  38         unit_q_dict = {
  39             field: getattr(detail_item, field) for field in detail_item.repo_key_fields
  40         }
  41         item_query = Q(**unit_q_dict) & ~Q(pk=detail_item.pk)
  42         query_for_repo_duplicates_by_type[detail_item._meta.model] |= item_query
  43 
  44     for model in query_for_repo_duplicates_by_type:
  45         _logger.debug(_("Removing duplicates for type: {}".format(model)))
  46         qs = model.objects.filter(query_for_repo_duplicates_by_type[model])
  47         repository_version.remove_content(qs)
  48
  [end of pulpcore/plugin/repo_version_utils.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/pulpcore/plugin/repo_version_utils.py b/pulpcore/plugin/repo_version_utils.py
  --- a/pulpcore/plugin/repo_version_utils.py
  +++ b/pulpcore/plugin/repo_version_utils.py
  @@ -22,10 +22,6 @@
       a `repo_key_fields` attribute with the field names to be compared. If all `repo_key_fields`
       contain the same value for two content units, they are considered "repository duplicates".
   
  -    After instantiating `RemoveDuplicates` call it with the `run()` method and pass in the
  -    :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked and possibly modified as a
  -    parameter to `run()`.
  -
       Args:
           repository_version: The :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked
               and possibly modified.
  
verification_info: {"golden_diff": "diff --git a/pulpcore/plugin/repo_version_utils.py b/pulpcore/plugin/repo_version_utils.py\n--- a/pulpcore/plugin/repo_version_utils.py\n+++ b/pulpcore/plugin/repo_version_utils.py\n@@ -22,10 +22,6 @@\n     a `repo_key_fields` attribute with the field names to be compared. If all `repo_key_fields`\n     contain the same value for two content units, they are considered \"repository duplicates\".\n \n-    After instantiating `RemoveDuplicates` call it with the `run()` method and pass in the\n-    :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked and possibly modified as a\n-    parameter to `run()`.\n-\n     Args:\n         repository_version: The :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked\n             and possibly modified.\n", "issue": "Improve the logic in the  ACSHandleStage\n**Version**\r\nmain\r\n\r\n**Describe the bug**\r\nIf there are ACS that point to the same content, pick the first RA instead of last\r\n\r\n**To Reproduce**\r\nSteps to reproduce the behavior:\r\n\r\n**Expected behavior**\r\nA clear and concise description of what you expected to happen.\r\n\r\n**Additional context**\r\nAdd any other context about the problem here.  Please provide links to any previous discussions via Discourse or Bugzilla.\r\n\n", "before_files": [{"content": "from collections import defaultdict\nfrom gettext import gettext as _\nimport logging\n\nfrom django.db.models import Q\n\n\n_logger = logging.getLogger(__name__)\n\n\ndef remove_duplicates(repository_version):\n    \"\"\"\n    Inspect content additions in the `RepositoryVersion` and replace repository duplicates.\n\n    Some content can have two instances A and B which are unique, but cannot both exist together in\n    one repository. For example, pulp_file's content has `relative_path` for that file within the\n    repository.\n\n    Any content newly added to the :class:`~pulpcore.plugin.models.RepositoryVersion` is checked\n    against existing content in the :class:`~pulpcore.plugin.models.RepositoryVersion` with newer\n    \"repository duplicates\" replace existing \"repository duplicates\". Each Content model can define\n    a `repo_key_fields` attribute with the field names to be compared. If all `repo_key_fields`\n    contain the same value for two content units, they are considered \"repository duplicates\".\n\n    After instantiating `RemoveDuplicates` call it with the `run()` method and pass in the\n    :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked and possibly modified as a\n    parameter to `run()`.\n\n    Args:\n        repository_version: The :class:`~pulpcore.plugin.models.RepositoryVersion` to be checked\n            and possibly modified.\n    \"\"\"\n    query_for_repo_duplicates_by_type = defaultdict(lambda: Q())\n    for item in repository_version.added():\n        detail_item = item.cast()\n        if detail_item.repo_key_fields == ():\n            continue\n        unit_q_dict = {\n            field: getattr(detail_item, field) for field in detail_item.repo_key_fields\n        }\n        item_query = Q(**unit_q_dict) & ~Q(pk=detail_item.pk)\n        query_for_repo_duplicates_by_type[detail_item._meta.model] |= item_query\n\n    for model in query_for_repo_duplicates_by_type:\n        _logger.debug(_(\"Removing duplicates for type: {}\".format(model)))\n        qs = model.objects.filter(query_for_repo_duplicates_by_type[model])\n        repository_version.remove_content(qs)\n", "path": "pulpcore/plugin/repo_version_utils.py"}]}