refactor: unify flow branches usage

src/git_flow/command/base.py

@@ -18,7 +18,7 @@ TYPE_INFO = 3
 
 
 flowconfig = Git.get_config(FLOWCONFIG_FILENAME) if isfile(FLOWCONFIG_FILENAME) else {}
-
+environments = flowconfig["flow.branches"].split(",") if "flow.branches" in flowconfig else []
 
 def ensure_initialized():
     initialized = flowconfig["flow.initialized"] if flowconfig else None
@@ -46,7 +46,6 @@ def ensure_right_branch():
 
 def get_branch_env_and_type(branch: str) -> tuple[str, str]:
     components = branch.split("/")
-    target_branches = flowconfig["flow.branches"].split(",")
 
     if len(components) == 2:
         if components[0] not in BRANCH_TYPES:
@@ -54,13 +53,13 @@ def get_branch_env_and_type(branch: str) -> tuple[str, str]:
                 f"Branch inválida, el tipo '{components[0]}' no es válido."
             )
 
-        return (target_branches[0], components[0])
+        return (environments[0], components[0])
     elif len(components) == 4:
-        target_branches = target_branches[1:]
+        valid_environments = environments[1:]
 
         if (
             components[0] != "release"
-            or components[1] not in target_branches
+            or components[1] not in valid_environments
             or components[2] not in BRANCH_TYPES
         ):
             raise GitFlowError(