diff --git a/src/git_flow/command/tag.py b/src/git_flow/command/tag.py
index c4cb1b3..79233a7 100644
--- a/src/git_flow/command/tag.py
+++ b/src/git_flow/command/tag.py
@@ -77,11 +77,7 @@ class TagCommand(Command):
         return commit
 
     def check_not_tagged(self, commit: str):
-        tag = (
-            Git("describe", commit, tags=True, exact_match=True)
-            .without_checking()
-            .firstline()
-        )
+        tag = Git("describe", commit, tags=True, exact_match=True).firstline(check=False)
 
         if tag:
             raise GitFlowError("El commit a taggear ya tiene tag: " + tag)
diff --git a/src/git_flow/git.py b/src/git_flow/git.py
index 3408378..5ca7b0d 100644
--- a/src/git_flow/git.py
+++ b/src/git_flow/git.py
@@ -22,7 +22,6 @@ class Git:
             self.file = line[3:].strip("\n")
 
     command: list[str]
-    check_returncode: bool = True
 
     @staticmethod
     def get_config(file: str | None = None):
@@ -60,7 +59,7 @@ class Git:
 
     @staticmethod
     def get_current_tag():
-        return Git("describe", abbrev="0", tags=True).without_checking().firstline()
+        return Git("describe", abbrev="0", tags=True).firstline(check=False)
 
     @staticmethod
     def get_first_fork_point(branch: str, env: str):
@@ -115,44 +114,47 @@ class Git:
 
         self.command += args
 
-    def lines(self, strip: bool = True):
-        process = subprocess.run(self.command, capture_output=True, text=True)
-
-        self.__print_process(process.stdout, process.stderr)
-
-        if self.check_returncode:
-            process.check_returncode()
-
+    def lines(self, strip: bool = True, **kwargs: bool):
+        process = self._get(**kwargs)
         lines = process.stdout.splitlines()
 
         return lines if not strip else list(map(lambda l: l.strip(), lines))
 
-    def firstline(self):
-        lines = self.lines()
+    def firstline(self, **kwargs: bool):
+        lines = self.lines(**kwargs)
 
         return lines[0] if lines else ""
 
-    def exec(self):
+    def code(self, **kwargs):
+        return self._run(check=False, **kwargs).returncode
+
+    def exec(self, **kwargs):
+        self._run(**kwargs)
+
+    def _get(self, print: bool = False, check: bool = True):
         process = subprocess.run(self.command, capture_output=True, text=True)
 
-        self.__print_process(process.stdout, process.stderr)
+        if print:
+            self._print_process(process.stdout, process.stderr)
 
-        if self.check_returncode:
+        if check:
             process.check_returncode()
 
-    def code(self):
-        process = subprocess.run(self.command, capture_output=True, text=True)
+        return process
 
-        self.__print_process(process.stdout, process.stderr)
 
-        return process.returncode
+    def _run(self, print: bool = False, check: bool = True):
+        process = subprocess.run(self.command)
 
-    def without_checking(self):
-        self.check_returncode = False
+        if print:
+            self._print_process("", "")
 
-        return self
+        if check:
+            process.check_returncode()
 
-    def __print_process(self, stdout: str, stderr: str):
+        return process
+
+    def _print_process(self, stdout: str, stderr: str):
         command = []
 
         for arg in self.command:
diff --git a/src/git_flow/main.py b/src/git_flow/main.py
index 344df92..dfaa9c5 100755
--- a/src/git_flow/main.py
+++ b/src/git_flow/main.py
@@ -218,7 +218,7 @@ def tag_command():
     message = output[pos+1:]
     merged_branch = None
 
-    output = Git("describe", commit, tags=True, exact_match=True).without_checking().firstline()
+    output = Git("describe", commit, tags=True, exact_match=True).firstline(check=False)
 
     if output:
         print_error("El ultimo merge ya tiene tag: " + output)