Add release-branch-semver to setup.cfg

And rename the function to `release_branch_semver_version`, for
consistency with the other functions for versions schemes.

Author: chrisjbillington

setup.cfg

@@ -73,6 +73,7 @@ setuptools_scm.version_scheme =
     guess-next-dev = setuptools_scm.version:guess_next_dev_version
     post-release = setuptools_scm.version:postrelease_version
     python-simplified-semver = setuptools_scm.version:simplified_semver_version
+    release-branch-semver = setuptools_scm.version:release_branch_semver_version
 
 setuptools_scm.local_scheme =
     node-and-date = setuptools_scm.version:get_local_node_and_date

src/setuptools_scm/version.py

@@ -267,7 +267,7 @@ def simplified_semver_version(version):
             )
 
 
-def release_branch_semver(version):
+def release_branch_semver_version(version):
     if version.exact:
         return version.format_with("{tag}")
     if version.branch is not None:

testing/test_version.py

@@ -3,7 +3,7 @@
 from setuptools_scm.version import (
     meta,
     simplified_semver_version,
-    release_branch_semver,
+    release_branch_semver_version,
     tags_to_versions,
 )
 
@@ -80,7 +80,7 @@ def test_next_semver(version, expected_next):
     ],
 )
 def test_next_release_branch_semver(version, expected_next):
-    computed = release_branch_semver(version)
+    computed = release_branch_semver_version(version)
     assert computed == expected_next