git-compatible editor field for updated page

core/utils.py

@@ -233,14 +233,35 @@ nothing to commit, working tree clean
             f"CANNOT git COMMIT on server for this file {filename}. Subprocess error. Edits not saved.\nAsk a nerd to fix this."
         )
 
+def g_string(author_string):
 
-def write_and_commit(files, message):
+    # Regular expression for a git-compatible author string
+    # valid example "John Doe <john.doe@example.com>"
+
+    author_regex = re.compile(r'^[a-zA-Z][\w\s\.\-]* <[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}>$')
+
+    if author_regex.match(author_string):
+        print(f"Valid git-compatible author string: {author_string}")
+        return author_string
+    else:
+        editor = author_string.replace("@","_at_")
+        editor = re.sub('[^0-9a-zA-Z_]+', '*', editor)
+        editor += f" <{editor}@potatohut.expo>"
+        print(f"Not git-compatible author string, replacing as '{editor}'")
+        return editor
+
+def write_and_commit(files, message, editor=None):
     """Writes the content to the filepath and adds and commits the file to git.  If this fails, a WriteAndCommitError is raised.
 
     These need refactoring
     """
     git = settings.GIT
     commands = []
+    if editor:
+        editor =  g_string(editor)
+    else:
+        # cannot happen as form verification has this as an obligatory field
+        editor = "Automatic <automaton@potatohut.expo>"
     try:
         for filepath, content, encoding in files:
             cwd = filepath.parent
@@ -296,8 +317,9 @@ def write_and_commit(files, message):
             else:
                 print(f"No change {filepath}")
         filepaths = [filepath for filepath, content, encoding in files]
-        message = message + " " + str(filepaths)
-        cmd_commit = [git, "commit", "-m", message]
+        # message = message + " " + str(filepaths)
+        print([git, "commit", "-m", message, "--author", f"{editor}"])
+        cmd_commit = [git, "commit", "-m", message, "--author", f"{editor}"]
         cm_status = subprocess.run(cmd_commit, cwd=cwd, capture_output=True, text=True)
         commands.append(cmd_commit)
         if cm_status.returncode != 0: