Add --log-level to ecto.migrate and ecto.rollback (#543)

lib/mix/tasks/ecto.migrate.ex

@@ -18,6 +18,7 @@ defmodule Mix.Tasks.Ecto.Migrate do
     quiet: :boolean,
     prefix: :string,
     pool_size: :integer,
+    log_level: :string,
     log_migrations_sql: :boolean,
     log_migrator_sql: :boolean,
     strict_version_order: :boolean,
@@ -77,6 +78,12 @@ defmodule Mix.Tasks.Ecto.Migrate do
     * `--log-migrator-sql` - log SQL generated by the migrator, such as
       transactions, table locks, etc
 
+    * `--log-level` (since v3.11.0) - the level to set for `Logger`. This task
+      does not start your application, so whatever level you have configured in
+      your config files will not be used. If this is not provided, no level
+      will be set, so that if you set it yourself before calling this task
+      then this won't interfere. Can be any of the `t:Logger.level/0` levels
+
     * `--migrations-path` - the path to load the migrations from, defaults to
       `"priv/repo/migrations"`. This option may be given multiple times in which
       case the migrations are loaded from all the given directories and sorted
@@ -121,6 +128,10 @@ defmodule Mix.Tasks.Ecto.Migrate do
         do: Keyword.merge(opts, log: false, log_migrations_sql: false, log_migrator_sql: false),
         else: opts
 
+    if log_level = opts[:log_level] do
+      Logger.configure(level: String.to_existing_atom(log_level))
+    end
+
     # Start ecto_sql explicitly before as we don't need
     # to restart those apps if migrated.
     {:ok, _} = Application.ensure_all_started(:ecto_sql)

lib/mix/tasks/ecto.rollback.ex

@@ -18,6 +18,7 @@ defmodule Mix.Tasks.Ecto.Rollback do
     quiet: :boolean,
     prefix: :string,
     pool_size: :integer,
+    log_level: :string,
     log_migrations_sql: :boolean,
     log_migrator_sql: :boolean,
     repo: [:keep, :string],
@@ -73,6 +74,12 @@ defmodule Mix.Tasks.Ecto.Rollback do
     * `--log-migrator-sql` - log SQL generated by the migrator, such as
       transactions, table locks, etc
 
+    * `--log-level` (since v3.11.0) - the level to set for `Logger`. This task
+      does not start your application, so whatever level you have configured in
+      your config files will not be used. If this is not provided, no level
+      will be set, so that if you set it yourself before calling this task
+      then this won't interfere. Can be any of the `t:Logger.level/0` levels
+
     * `--migrations-path` - the path to load the migrations from, defaults to
       `"priv/repo/migrations"`. This option may be given multiple times in which
       case the migrations are loaded from all the given directories and sorted
@@ -117,6 +124,10 @@ defmodule Mix.Tasks.Ecto.Rollback do
         do: Keyword.merge(opts, log: false, log_migrations_sql: false, log_migrator_sql: false),
         else: opts
 
+    if log_level = opts[:log_level] do
+      Logger.configure(level: String.to_existing_atom(log_level))
+    end
+
     # Start ecto_sql explicitly before as we don't need
     # to restart those apps if migrated.
     {:ok, _} = Application.ensure_all_started(:ecto_sql)