feat(backup): changed export format

backup/backup.py

@@ -10,6 +10,7 @@ import itertools
 
 from redbot.core import commands
 from redbot.core.bot import Red
+from redbot.core.utils.chat_formatting import text_to_file
 
 class Backup(commands.Cog):
     """A utility to make reinstalling repositories and cogs after migrating the bot far easier."""
@@ -34,10 +35,24 @@ class Backup(commands.Cog):
         if downloader is None:
             await ctx.send(f"You do not have the `Downloader` cog loaded.\nPlease run `{ctx.prefix}load downloader` and try again.")
             return
+
         all_repos = list(downloader._repo_manager.repos)
-        repos_list = [[f"{i.name}", i.url] for i in all_repos]
-        cogs = await downloader.installed_cogs()
-        for cog, r in itertools.product(cogs, repos_list):
-            if cog.repo_name == list(r)[0]:
-                r.append(cog.name)
-        await ctx.send(json.dumps(repos_list, indent=4))
+
+        export_data = []
+
+        for repo in all_repos:
+            repo_dict = {
+                "name": repo.name,
+                "url": repo.url,
+                "cogs": []
+            }
+
+            cogs = await downloader.installed_cogs()
+
+            for cog in cogs:
+                if cog.repo_name == repo.name:
+                    repo_dict["cogs"].append(cog.name)
+
+            export_data.append(repo_dict)
+
+        await ctx.send(file=text_to_file(json.dumps(export_data, indent=4), 'backup.json'))