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12 changes: 10 additions & 2 deletions dev/merge_spark_pr.py
Original file line number Diff line number Diff line change
Expand Up @@ -152,14 +152,17 @@ def _sort_version_names_lex_desc(names):


def _dedupe_fix_versions_adjacent_major_zero(default_fix_versions):
"""Drop V when V is M.minor.0 and predecessor (minor-1).0.0 exists in the list.
"""Preserve order; drop duplicate names, then drop V when V is M.minor.0 and
predecessor (minor-1).0.0 exists in the list.

>>> _dedupe_fix_versions_adjacent_major_zero(["6.0.0", "4.3.0", "4.3.0"])
['6.0.0', '4.3.0']
>>> _dedupe_fix_versions_adjacent_major_zero(["2.0.0", "1.1.0", "1.0.0"])
['2.0.0', '1.0.0']
>>> _dedupe_fix_versions_adjacent_major_zero(["1.0.0", "2.0.0"])
['1.0.0', '2.0.0']
"""
out = list(default_fix_versions)
out = list(dict.fromkeys(default_fix_versions))
for v in list(out):
major, minor, patch = v.split(".")
if patch == "0":
Expand Down Expand Up @@ -230,6 +233,11 @@ def compute_merge_default_fix_versions(merge_branches, unreleased_version_names)
... ["master", "branch-5.x", "branch-4.x"], ["5.2.0", "4.3.0", "6.0.0"]
... )[0]
['6.0.0', '5.2.0', '4.3.0']

>>> compute_merge_default_fix_versions(
... ["master", "branch-4.x", "branch-4.x"], ["6.0.0", "4.3.0"]
... )[0]
['6.0.0', '4.3.0']
"""
names = _sort_version_names_lex_desc(list(unreleased_version_names))
merged_set = set(merge_branches)
Expand Down