WIP rework git handler

git_handler.py

@@ -1,5 +1,7 @@
 import os
 import subprocess as sub
+from system_repository import SystemRepository
+from release_type import ReleaseType
 
 # define semantics for release types by commit messages
 ## snapshot - snapshot release
@@ -14,64 +16,19 @@ FORMAT = '"%h %s"'
 FORMAT_DEC = "%d"
 PRETTY_OPTION = '--pretty='
 DECORATE_OPTION = '--decorate=full'
-  
+
+
+# git log --oneline --format="%s %b" origin/master...HEAD
+
 class GitRepo():
 
     def __init__(self):
-        self.commits = None
-        self.tags = None
+        self.latest_commit = None
+        self.system_repository = SystemRepository()
 
-    def __clean_commit_string(self, commit_string):
-        return commit_string.replace('\"', "").replace('\n', "").split()
+    def get_latest_commit(self):
+        self.latest_commit = self.system_repository.run_checked('git', 'log', '--oneline', '--format="%s %b"', '-n' + '1')
 
-    def __clean_tag_string(self, tag_string):
-        return tag_string.replace(" ", "").replace('\n', "")
-
-    def get_tags(self):        
-        stream = sub.Popen([GIT,
-                            LOG,
-                            PRETTY_OPTION + FORMAT_DEC,
-                            DECORATE_OPTION],
-                            stdout=sub.PIPE,
-                            stderr=sub.PIPE,
-                            text=True,
-                            encoding="UTF-8")
-        stdout = stream.stdout.readlines()
-        stderr = stream.stderr.readlines()
-
-        if len(stderr) > 0:
-            raise Exception(f"Git command failed with: {stderr}")
-
-        return stdout
-
-    def get_commits(self):
-        stream = sub.Popen([GIT, 
-                            LOG, 
-                            PRETTY_OPTION + FORMAT], 
-                            stdout=sub.PIPE, 
-                            stderr=sub.PIPE,
-                            text=True,
-                            encoding="UTF-8")
-        stdout = stream.stdout.readlines()
-        stderr = stream.stderr.readlines()
-
-        if len(stderr) > 0:
-            raise Exception(f"Git command failed with: {stderr}")
-        
-        self.tags = self.get_tags()
-        self.commits = {}
-
-        if len(self.tags) != len(stdout):
-            raise Exception("Tags list did not match commits list")
-        
-        for i, elem in enumerate(stdout):
-            commit_string = self.__clean_commit_string(elem)
-
-            commit_id = commit_string[0]
-            commit_message = " ".join(commit_string[1:len(commit_string)])
-            commit_tag = self.__clean_tag_string(self.tags[i])
-            
-            self.commits[commit_id] = [commit_tag, commit_message]
-        
-        return self.commits
-   
+    def get_release_type_from_latest_commit(self):
+        if self.latest_commit is None:
+            self.get_latest_commit()