feat: make major_version_zero customizable by third parties

before this commit, major_version_zero would only work with
conventional commits, as the value used was not exposed to other cz rules

Author: woile

commitizen/commands/bump.py

@@ -5,7 +5,7 @@
 import questionary
 from packaging.version import InvalidVersion, Version
 
-from commitizen import bump, cmd, defaults, factory, git, hooks, out, version_types
+from commitizen import bump, cmd, factory, git, hooks, out, version_types
 from commitizen.commands.changelog import Changelog
 from commitizen.config import BaseConfig
 from commitizen.exceptions import (
@@ -86,8 +86,16 @@ def is_initial_tag(self, current_tag_version: str, is_yes: bool = False) -> bool
         return is_initial
 
     def find_increment(self, commits: List[git.GitCommit]) -> Optional[str]:
+        # Update the bump map to ensure major version doesn't increment.
+        is_major_version_zero: bool = self.bump_settings["major_version_zero"]
+        # self.cz.bump_map = defaults.bump_map_major_version_zero
+        bump_map = (
+            self.cz.bump_map_major_version_zero
+            if is_major_version_zero
+            else self.cz.bump_map
+        )
         bump_pattern = self.cz.bump_pattern
-        bump_map = self.cz.bump_map
+
         if not bump_map or not bump_pattern:
             raise NoPatternMapError(
                 f"'{self.config.settings['name']}' rule does not support bump"
@@ -153,9 +161,6 @@ def __call__(self):  # noqa: C901
                     f"--major-version-zero is meaningless for current version {current_version}"
                 )
 
-            # Update the bump map to ensure major version doesn't increment.
-            self.cz.bump_map = defaults.bump_map_major_version_zero
-
         current_tag_version: str = bump.normalize_tag(
             current_version,
             tag_format=tag_format,

commitizen/cz/base.py

@@ -11,6 +11,7 @@
 class BaseCommitizen(metaclass=ABCMeta):
     bump_pattern: Optional[str] = None
     bump_map: Optional[Dict[str, str]] = None
+    bump_map_major_version_zero: Optional[Dict[str, str]] = None
     default_style_config: List[Tuple[str, str]] = [
         ("qmark", "fg:#ff9d00 bold"),
         ("question", "bold"),

commitizen/cz/conventional_commits/conventional_commits.py

@@ -30,6 +30,7 @@ def parse_subject(text):
 class ConventionalCommitsCz(BaseCommitizen):
     bump_pattern = defaults.bump_pattern
     bump_map = defaults.bump_map
+    bump_map_major_version_zero = defaults.bump_map_major_version_zero
     commit_parser = defaults.commit_parser
     version_parser = defaults.version_parser
     change_type_map = {

commitizen/cz/customize/customize.py

@@ -17,6 +17,7 @@
 class CustomizeCommitsCz(BaseCommitizen):
     bump_pattern = defaults.bump_pattern
     bump_map = defaults.bump_map
+    bump_map_major_version_zero = defaults.bump_map_major_version_zero
     change_type_order = defaults.change_type_order
 
     def __init__(self, config: BaseConfig):
@@ -34,6 +35,12 @@ def __init__(self, config: BaseConfig):
         if custom_bump_map:
             self.bump_map = custom_bump_map
 
+        custom_bump_map_major_version_zero = self.custom_settings.get(
+            "bump_map_major_version_zero"
+        )
+        if custom_bump_map_major_version_zero:
+            self.bump_map_major_version_zero = custom_bump_map_major_version_zero
+
         custom_change_type_order = self.custom_settings.get("change_type_order")
         if custom_change_type_order:
             self.change_type_order = custom_change_type_order

commitizen/defaults.py

@@ -15,6 +15,7 @@
 class CzSettings(TypedDict, total=False):
     bump_pattern: str
     bump_map: "OrderedDict[str, str]"
+    bump_map_major_version_zero: "OrderedDict[str, str]"
     change_type_order: List[str]
 
     questions: Questions

tests/conftest.py

@@ -143,11 +143,11 @@ class SemverCommitizen(BaseCommitizen):
         "minor": "MINOR",
         "patch": "PATCH",
     }
-    # bump_map_major_version_zero = {
-    #     "major": "MINOR",
-    #     "minor": "MINOR",
-    #     "patch": "PATCH",
-    # }
+    bump_map_major_version_zero = {
+        "major": "MINOR",
+        "minor": "MINOR",
+        "patch": "PATCH",
+    }
     changelog_pattern = r"^(patch|minor|major)"
     commit_parser = r"^(?P<change_type>patch|minor|major)(?:\((?P<scope>[^()\r\n]*)\)|\()?:?\s(?P<message>.+)"  # noqa
     change_type_map = {