Add get_latest_tag to GitApi

also rename system_repo to system_api

infrastructure_api.py

@@ -192,42 +192,46 @@ class SystemAPI():
 class GitApi():
 
     def __init__(self):
-        self.system_repository = SystemAPI()
+        self.system_api = SystemAPI()
 
     def get_latest_n_commits(self, n: int):
-        self.system_repository.run_checked(
+        self.system_api.run_checked(
             'git', 'log', '--oneline', '--format="%s %b"', f'-n {n}')
-        return self.system_repository.stdout
+        return self.system_api.stdout
 
     def get_latest_commit(self):
         output = self.get_latest_n_commits(1)
         return " ".join(output)
 
     def tag_annotated(self, annotation: str, message: str, count: int):
-        self.system_repository.run_checked(
+        self.system_api.run_checked(
             'git', 'tag', '-a', annotation, '-m', message, f'HEAD~{count}')
-        return self.system_repository.stdout
+        return self.system_api.stdout
+
+    def get_latest_tag(self):
+        self.system_api.run_checked('git', 'describe', '--tags', '--abbrev=0')
+        return self.system_api.stdout
 
     def get_current_branch(self):
-        self.system_repository.run_checked('git', 'branch', '--show-current')
-        return ''.join(self.system_repository.stdout).rstrip()
+        self.system_api.run_checked('git', 'branch', '--show-current')
+        return ''.join(self.system_api.stdout).rstrip()
 
     def init(self):
-        self.system_repository.run_checked('git', 'init')
+        self.system_api.run_checked('git', 'init')
 
     def add_file(self, file_path: Path):
-        self.system_repository.run_checked('git', 'add', file_path)
-        return self.system_repository.stdout
+        self.system_api.run_checked('git', 'add', file_path)
+        return self.system_api.stdout
 
     def commit(self, commit_message: str):
-        self.system_repository.run_checked(
+        self.system_api.run_checked(
             'git', 'commit', '-m', commit_message)
-        return self.system_repository.stdout
+        return self.system_api.stdout
 
     def push(self):
-        self.system_repository.run_checked('git', 'push')
-        return self.system_repository.stdout
+        self.system_api.run_checked('git', 'push')
+        return self.system_api.stdout
 
     def checkout(self, branch: str):
-        self.system_repository.run_checked('git', 'checkout', branch)
-        return self.system_repository.stdout
+        self.system_api.run_checked('git', 'checkout', branch)
+        return self.system_api.stdout