maintainers/scripts/remove-old-aliases: handle inherit (x) y;

Man this script is not very nice

maintainers/scripts/remove-old-aliases.py

@@ -70,7 +70,10 @@ def get_date_lists(
         ):
             continue
 
-        if "=" not in line:
+        if line.lstrip().startswith("inherit (") and ";" in line:
+            if not only_throws:
+                date_older_list.append(line)
+        elif "=" not in line:
             date_sep_line_list.append(f"{lineno:>5} {line}")
         # 'if' lines could be complicated
         elif "if " in line and "if =" not in line:
@@ -99,6 +102,18 @@ def convert_to_throw(date_older_list: list[str]) -> list[tuple[str, str]]:
     converted_list = []
     for line in date_older_list.copy():
         indent: str = " " * (len(line) - len(line.lstrip()))
+
+        if "=" not in line:
+            assert "inherit (" in line
+            before, sep, after = line.partition("inherit (")
+            inside, sep, after = after.partition(")")
+            if not sep:
+                print(f"FAILED ON {line}")
+                continue
+            alias, *_ = after.strip().split(";")[0].split()
+            replacement = f"{inside.strip()}.{alias}"
+
+        else:
             before_equal = ""
             after_equal = ""
             try:
@@ -109,8 +124,9 @@ def convert_to_throw(date_older_list: list[str]) -> list[tuple[str, str]]:
                 continue
 
             alias = before_equal
-        alias_unquoted = before_equal.strip('"')
             replacement = next(x.strip(";:") for x in after_equal.split())
+
+        alias_unquoted = alias.strip('"')
         replacement = replacement.removeprefix("pkgs.")
 
         converted = (