fix credo

lib/cannery/accounts.ex

@@ -196,7 +196,7 @@ defmodule Cannery.Accounts do
          {:ok, _} <- Repo.transaction(user_email_multi(user, email, context)) do
       :ok
     else
-      _ -> :error
+      _error_tuple -> :error
     end
   end
 
@@ -265,7 +265,7 @@ defmodule Cannery.Accounts do
     |> Repo.transaction()
     |> case do
       {:ok, %{user: user}} -> {:ok, user}
-      {:error, :user, changeset, _} -> {:error, changeset}
+      {:error, :user, changeset, _changes_so_far} -> {:error, changeset}
     end
   end
 
@@ -372,7 +372,7 @@ defmodule Cannery.Accounts do
          {:ok, %{user: user}} <- Repo.transaction(confirm_user_multi(user)) do
       {:ok, user}
     else
-      _ -> :error
+      _error_tuple -> :error
     end
   end
 
@@ -420,7 +420,7 @@ defmodule Cannery.Accounts do
          %User{} = user <- Repo.one(query) do
       user
     else
-      _ -> nil
+      _error_tuple -> nil
     end
   end
 
@@ -444,7 +444,7 @@ defmodule Cannery.Accounts do
     |> Repo.transaction()
     |> case do
       {:ok, %{user: user}} -> {:ok, user}
-      {:error, :user, changeset, _} -> {:error, changeset}
+      {:error, :user, changeset, _changes_so_far} -> {:error, changeset}
     end
   end
 end

lib/cannery/accounts/user.ex

@@ -171,7 +171,7 @@ defmodule Cannery.Accounts.User do
     Bcrypt.verify_pass(password, hashed_password)
   end
 
-  def valid_password?(_, _) do
+  def valid_password?(_invalid_user, _invalid_password) do
     Bcrypt.no_user_verify()
     false
   end

lib/cannery/ammo.ex

@@ -308,7 +308,7 @@ defmodule Cannery.Ammo do
   def get_used_count(%AmmoGroup{} = ammo_group) do
     ammo_group
     |> Repo.preload(:shot_groups)
-    |> Map.get(:shot_groups)
+    |> Map.fetch!(:shot_groups)
     |> Enum.map(fn %{count: count} -> count end)
     |> Enum.sum()
   end

lib/cannery/containers.ex

@@ -215,7 +215,7 @@ defmodule Cannery.Containers do
   def get_container_rounds!(%Container{} = container) do
     container
     |> Repo.preload(:ammo_groups)
-    |> Map.get(:ammo_groups)
+    |> Map.fetch!(:ammo_groups)
     |> Enum.map(fn %{count: count} -> count end)
     |> Enum.sum()
   end

lib/cannery/release.ex

@@ -9,7 +9,7 @@ defmodule Cannery.Release do
 
   def rollback(repo, version) do
     load_app()
-    {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
+    {:ok, _fun, _opts} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
   end
 
   defp load_app do
@@ -20,7 +20,7 @@ defmodule Cannery.Release do
     load_app()
 
     for repo <- Application.fetch_env!(@app, :ecto_repos) do
-      {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
+      {:ok, _fun, _opts} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
     end
   end
 end

lib/cannery/repo/migrator.ex

@@ -6,11 +6,11 @@ defmodule Cannery.Repo.Migrator do
   use GenServer
   require Logger
 
-  def start_link(_) do
+  def start_link(_opts) do
     GenServer.start_link(__MODULE__, [], [])
   end
 
-  def init(_) do
+  def init(_opts) do
     migrate!()
     {:ok, nil}
   end