selfprivacy-rest-api/selfprivacy_api/migrations/migrate_to_selfprivacy_channel.py
2022-05-02 10:59:04 +03:00

54 lines
1.8 KiB
Python

import os
import subprocess
from selfprivacy_api.migrations.migration import Migration
class MigrateToSelfprivacyChannel(Migration):
"""Migrate to selfprivacy Nix channel."""
def get_migration_name(self):
return "migrate_to_selfprivacy_channel"
def get_migration_description(self):
return "Migrate to selfprivacy Nix channel."
def is_migration_needed(self):
try:
print("Checking if migration is needed")
output = subprocess.check_output(
["nix-channel", "--list"], start_new_session=True
)
output = output.decode("utf-8")
print(output)
first_line = output.split("\n", maxsplit=1)[0]
print(first_line)
return first_line.startswith("nixos") and (
first_line.endswith("nixos-21.11") or first_line.endswith("nixos-21.05")
)
except subprocess.CalledProcessError:
return False
return False
def migrate(self):
# Change the channel and update them.
# Also, go to /etc/nixos directory and make a git pull
current_working_directory = os.getcwd()
try:
print("Changing channel")
os.chdir("/etc/nixos")
subprocess.check_output(
[
"nix-channel",
"--add",
"https://channel.selfprivacy.org/nixos-selfpricacy",
"nixos",
]
)
subprocess.check_output(["nix-channel", "--update"])
subprocess.check_output(["git", "pull"])
os.chdir(current_working_directory)
except subprocess.CalledProcessError:
os.chdir(current_working_directory)
print("Error")