X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fmix%2Ftasks%2Fpleroma%2Fdatabase.ex;h=30c0d2bf17c467d6f561a3bc46873ae039cd08e0;hb=4e14945670bac15a6e183eb8c552d6e0669713ac;hp=4ddace9c97f58a0006435ff504903f3e3bcdc348;hpb=2634a16b4cefebfb2a13550bde3fd12e5acd9aaa;p=akkoma diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex index 4ddace9c9..30c0d2bf1 100644 --- a/lib/mix/tasks/pleroma/database.ex +++ b/lib/mix/tasks/pleroma/database.ex @@ -20,6 +20,30 @@ defmodule Mix.Tasks.Pleroma.Database do @shortdoc "A collection of database related tasks" @moduledoc File.read!("docs/administration/CLI_tasks/database.md") + # Rolls back a specific migration (leaving subsequent migrations applied) + # Based on https://stackoverflow.com/a/53825840 + def run(["rollback", version]) do + start_pleroma() + + version = String.to_integer(version) + re = ~r/^#{version}_.*\.exs/ + path = Application.app_dir(:pleroma, Path.join(["priv", "repo", "migrations"])) + + result = + with {:find, "" <> file} <- {:find, Enum.find(File.ls!(path), &String.match?(&1, re))}, + {:compile, [{mod, _} | _]} <- {:compile, Code.compile_file(Path.join(path, file))}, + {:rollback, :ok} <- {:rollback, Ecto.Migrator.down(Repo, version, mod)} do + {:ok, "Reversed migration: #{file}"} + else + {:find, _} -> {:error, "No migration found with version prefix: #{version}"} + {:compile, e} -> {:error, "Problem compiling migration module: #{inspect(e)}"} + {:rollback, e} -> {:error, "Problem reversing migration: #{inspect(e)}"} + e -> {:error, "Something unexpected happened: #{inspect(e)}"} + end + + IO.inspect(result) + end + def run(["remove_embedded_objects" | args]) do {options, [], []} = OptionParser.parse(