+
+def parse_name_email(address):
+ """Return a tuple consisting of the name and email parsed from a
+ standard 'name <email>' or 'email (name)' string."""
+ address = re.sub(r'[\\"]', r'\\\g<0>', address)
+ str_list = re.findall(r'^(.*)\s*<(.*)>\s*$', address)
+ if not str_list:
+ str_list = re.findall(r'^(.*)\s*\((.*)\)\s*$', address)
+ if not str_list:
+ return None
+ return (str_list[0][1], str_list[0][0])
+ return str_list[0]
+
+def parse_name_email_date(address):
+ """Return a tuple consisting of the name, email and date parsed
+ from a 'name <email> date' string."""
+ address = re.sub(r'[\\"]', r'\\\g<0>', address)
+ str_list = re.findall('^(.*)\s*<(.*)>\s*(.*)\s*$', address)
+ if not str_list:
+ return None
+ return str_list[0]
+
+# Exit codes.
+STGIT_SUCCESS = 0 # everything's OK
+STGIT_GENERAL_ERROR = 1 # seems to be non-command-specific error
+STGIT_COMMAND_ERROR = 2 # seems to be a command that failed
+STGIT_CONFLICT = 3 # merge conflict, otherwise OK
+STGIT_BUG_ERROR = 4 # a bug in StGit
+
+def add_dict(d1, d2):
+ """Return a new dict with the contents of both d1 and d2. In case of
+ conflicting mappings, d2 takes precedence."""
+ d = dict(d1)
+ d.update(d2)
+ return d