update command

c/update.py

@@ -0,0 +1,39 @@
+import discord
+from discord.ext import commands
+from discord.ext.commands import has_permissions, Context
+import os
+import sys
+import subprocess
+
+class Update(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+        self.last_member = None
+
+    @commands.command()
+    @commands.is_owner()
+    async def update(self, context: Context, *args):
+        """
+        Make pull from git repository and restart
+        
+        """
+        res = await self.bot.ch(server_id=context.guild.id)
+        channel = self.bot.get_channel(int(res))
+        await channel.send('restarting...')
+        try:
+            subprocess.run(["git pull origin main"],capture_output=True)
+        except:
+            await channel.send('restart fail')
+            return
+            
+        python = sys.executable
+        os.execv(python, [python] + sys.argv)
+
+    
+    @commands.Cog.listener()
+    async def on_ready(self):
+        print('Update cog has been loaded')
+
+
+async def setup(bot):
+    await bot.add_cog(Update(bot))