Resolves deprecation warnings on elixir 1.17

.credo.exs

@@ -10,7 +10,7 @@
   configs: [
     %{
       #
-      # Run any exec using `mix credo -C <name>`. If no exec name is given
+      # Run any config using `mix credo -C <name>`. If no config name is given
       # "default" is used.
       #
       name: "default",
@@ -20,11 +20,15 @@
         #
         # You can give explicit globs or simply directories.
         # In the latter case `**/*.{ex,exs}` will be used.
-      #
-        included: ["lib/", "src/", "web/", "apps/"],
+        #
+        included: ["lib/"],
         excluded: [~r"/_build/", ~r"/deps/"]
       },
       #
+      # Load and configure plugins here:
+      #
+      plugins: [],
+      #
       # If you create your own checks, you must specify the source files for
       # them here, so they can be loaded by Credo before running the analysis.
       #
@@ -35,6 +39,10 @@
       #
       strict: true,
       #
+      # To modify the timeout for parsing files, change this value:
+      #
+      parse_timeout: 5000,
+      #
       # If you want to use uncolored output by default, you can change `color`
       # to `false` below:
       #
@@ -47,100 +55,154 @@
       #
       #     {Credo.Check.Design.DuplicatedCode, false}
       #
-      checks: [
-        {Credo.Check.Consistency.ExceptionNames},
-        {Credo.Check.Consistency.LineEndings},
-        {Credo.Check.Consistency.ParameterPatternMatching},
-        {Credo.Check.Consistency.SpaceAroundOperators},
-        {Credo.Check.Consistency.SpaceInParentheses},
-        {Credo.Check.Consistency.TabsOrSpaces},
+      checks: %{
+        enabled: [
+          #
+          ## Consistency Checks
+          #
+          {Credo.Check.Consistency.ExceptionNames, []},
+          {Credo.Check.Consistency.LineEndings, []},
+          {Credo.Check.Consistency.ParameterPatternMatching, []},
+          {Credo.Check.Consistency.SpaceAroundOperators, []},
+          {Credo.Check.Consistency.SpaceInParentheses, []},
+          {Credo.Check.Consistency.TabsOrSpaces, []},
 
-        # You can customize the priority of any check
-        # Priority values are: `low, normal, high, higher`
-        #
-        {Credo.Check.Design.AliasUsage, priority: :low},
+          #
+          ## Design Checks
+          #
+          # You can customize the priority of any check
+          # Priority values are: `low, normal, high, higher`
+          #
+          {Credo.Check.Design.AliasUsage,
+           [priority: :low, if_nested_deeper_than: 2, if_called_more_often_than: 0]},
+          {Credo.Check.Design.DuplicatedCode, [nodes_threshold: 3]},
+          {Credo.Check.Design.TagFIXME, []},
+          # You can also customize the exit_status of each check.
+          # If you don't want TODO comments to cause `mix credo` to fail, just
+          # set this value to 0 (zero).
+          #
+          {Credo.Check.Design.TagTODO, [exit_status: 2]},
 
-        # For some checks, you can also set other parameters
-        #
-        # If you don't want the `setup` and `test` macro calls in ExUnit tests
-        # or the `schema` macro in Ecto schemas to trigger DuplicatedCode, just
-        # set the `excluded_macros` parameter to `[:schema, :setup, :test]`.
-        #
-        {Credo.Check.Design.DuplicatedCode, excluded_macros: []},
-
-        # You can also customize the exit_status of each check.
-        # If you don't want these comments to cause `mix credo` to fail, just
-        # set this value to 0 (zero).
-        #
-        {Credo.Check.Design.TagTODO, exit_status: 2},
-        {Credo.Check.Design.TagFIXME},
+          #
+          ## Readability Checks
+          #
+          {Credo.Check.Readability.AliasOrder, []},
+          {Credo.Check.Readability.FunctionNames, []},
+          {Credo.Check.Readability.LargeNumbers, []},
+          {Credo.Check.Readability.MaxLineLength, [priority: :low, max_length: 120]},
+          {Credo.Check.Readability.ModuleAttributeNames, []},
+          {Credo.Check.Readability.ModuleDoc, []},
+          {Credo.Check.Readability.ModuleNames, []},
+          {Credo.Check.Readability.ParenthesesInCondition, []},
+          {Credo.Check.Readability.ParenthesesOnZeroArityDefs, []},
+          {Credo.Check.Readability.PipeIntoAnonymousFunctions, []},
+          {Credo.Check.Readability.PredicateFunctionNames, []},
+          {Credo.Check.Readability.PreferImplicitTry, []},
+          {Credo.Check.Readability.RedundantBlankLines, []},
+          {Credo.Check.Readability.SpaceAfterCommas, []},
+          {Credo.Check.Readability.Semicolons, []},
+          {Credo.Check.Readability.StringSigils, []},
+          {Credo.Check.Readability.TrailingBlankLine, []},
+          {Credo.Check.Readability.TrailingWhiteSpace, []},
+          {Credo.Check.Readability.UnnecessaryAliasExpansion, []},
+          {Credo.Check.Readability.VariableNames, []},
+          {Credo.Check.Readability.WithSingleClause, []},
 
-        {Credo.Check.Readability.FunctionNames},
-        {Credo.Check.Readability.LargeNumbers},
-        {Credo.Check.Readability.MaxLineLength, priority: :low, max_length: 98},
-        {Credo.Check.Readability.ModuleAttributeNames},
-        {Credo.Check.Readability.ModuleDoc},
-        {Credo.Check.Readability.ModuleNames},
-        {Credo.Check.Readability.ParenthesesOnZeroArityDefs},
-        {Credo.Check.Readability.ParenthesesInCondition},
-        {Credo.Check.Readability.PredicateFunctionNames},
-        {Credo.Check.Readability.PreferImplicitTry},
-        {Credo.Check.Readability.RedundantBlankLines},
-        {Credo.Check.Readability.StringSigils},
-        {Credo.Check.Readability.TrailingBlankLine},
-        {Credo.Check.Readability.TrailingWhiteSpace},
-        {Credo.Check.Readability.VariableNames},
-        {Credo.Check.Readability.Semicolons},
-        {Credo.Check.Readability.SpaceAfterCommas},
+          #
+          ## Refactoring Opportunities
+          #
+          {Credo.Check.Refactor.Apply, []},
+          {Credo.Check.Refactor.CondStatements, []},
+          {Credo.Check.Refactor.CyclomaticComplexity, []},
+          {Credo.Check.Refactor.DoubleBooleanNegation, []},
+          {Credo.Check.Refactor.FilterCount, []},
+          {Credo.Check.Refactor.FilterFilter, []},
+          {Credo.Check.Refactor.FunctionArity, []},
+          {Credo.Check.Refactor.LongQuoteBlocks, []},
+          {Credo.Check.Refactor.MapJoin, []},
+          {Credo.Check.Refactor.MatchInCondition, []},
+          {Credo.Check.Refactor.NegatedConditionsInUnless, []},
+          {Credo.Check.Refactor.NegatedConditionsWithElse, []},
+          {Credo.Check.Refactor.Nesting, [max_nesting: 3]},
+          {Credo.Check.Refactor.PipeChainStart, []},
+          {Credo.Check.Refactor.RedundantWithClauseResult, []},
+          {Credo.Check.Refactor.RejectReject, []},
+          {Credo.Check.Refactor.UnlessWithElse, []},
+          {Credo.Check.Refactor.WithClauses, []},
 
-        {Credo.Check.Refactor.DoubleBooleanNegation},
-        {Credo.Check.Refactor.CondStatements},
-        {Credo.Check.Refactor.CyclomaticComplexity},
-        {Credo.Check.Refactor.FunctionArity},
-        {Credo.Check.Refactor.LongQuoteBlocks},
-        {Credo.Check.Refactor.MatchInCondition},
-        {Credo.Check.Refactor.NegatedConditionsInUnless},
-        {Credo.Check.Refactor.NegatedConditionsWithElse},
-        {Credo.Check.Refactor.Nesting},
-        {Credo.Check.Refactor.PipeChainStart},
-        {Credo.Check.Refactor.UnlessWithElse},
+          #
+          ## Warnings
+          #
+          {Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
+          {Credo.Check.Warning.BoolOperationOnSameValues, []},
+          {Credo.Check.Warning.Dbg, []},
+          {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
+          {Credo.Check.Warning.IExPry, []},
+          {Credo.Check.Warning.IoInspect, []},
+          {Credo.Check.Warning.MissedMetadataKeyInLoggerConfig, []},
+          {Credo.Check.Warning.OperationOnSameValues, []},
+          {Credo.Check.Warning.OperationWithConstantResult, []},
+          {Credo.Check.Warning.RaiseInsideRescue, []},
+          {Credo.Check.Warning.SpecWithStruct, []},
+          {Credo.Check.Warning.UnsafeExec, []},
+          {Credo.Check.Warning.UnusedEnumOperation, []},
+          {Credo.Check.Warning.UnusedFileOperation, []},
+          {Credo.Check.Warning.UnusedKeywordOperation, []},
+          {Credo.Check.Warning.UnusedListOperation, []},
+          {Credo.Check.Warning.UnusedPathOperation, []},
+          {Credo.Check.Warning.UnusedRegexOperation, []},
+          {Credo.Check.Warning.UnusedStringOperation, []},
+          {Credo.Check.Warning.UnusedTupleOperation, []},
+          {Credo.Check.Warning.WrongTestFileExtension, []}
+        ],
+        disabled: [
+          #
+          # Checks scheduled for next check update (opt-in for now)
+          {Credo.Check.Refactor.UtcNowTruncate, []},
 
-        {Credo.Check.Warning.BoolOperationOnSameValues},
-        {Credo.Check.Warning.ExpensiveEmptyEnumCheck},
-        {Credo.Check.Warning.IExPry},
-        {Credo.Check.Warning.IoInspect},
-        {Credo.Check.Warning.LazyLogging},
-        {Credo.Check.Warning.OperationOnSameValues},
-        {Credo.Check.Warning.OperationWithConstantResult},
-        {Credo.Check.Warning.UnusedEnumOperation},
-        {Credo.Check.Warning.UnusedFileOperation},
-        {Credo.Check.Warning.UnusedKeywordOperation},
-        {Credo.Check.Warning.UnusedListOperation},
-        {Credo.Check.Warning.UnusedPathOperation},
-        {Credo.Check.Warning.UnusedRegexOperation},
-        {Credo.Check.Warning.UnusedStringOperation},
-        {Credo.Check.Warning.UnusedTupleOperation},
-        {Credo.Check.Warning.RaiseInsideRescue},
+          #
+          # Controversial and experimental checks (opt-in, just move the check to `:enabled`
+          #   and be sure to use `mix credo --strict` to see low priority checks)
+          #
+          {Credo.Check.Consistency.MultiAliasImportRequireUse, []},
+          {Credo.Check.Consistency.UnusedVariableNames, []},
+          {Credo.Check.Design.SkipTestWithoutComment, []},
+          {Credo.Check.Readability.AliasAs, []},
+          {Credo.Check.Readability.BlockPipe, []},
+          {Credo.Check.Readability.ImplTrue, []},
+          {Credo.Check.Readability.MultiAlias, []},
+          {Credo.Check.Readability.NestedFunctionCalls, []},
+          {Credo.Check.Readability.OneArityFunctionInPipe, []},
+          {Credo.Check.Readability.OnePipePerLine, []},
+          {Credo.Check.Readability.SeparateAliasRequire, []},
+          {Credo.Check.Readability.SingleFunctionToBlockPipe, []},
+          {Credo.Check.Readability.SinglePipe, []},
+          {Credo.Check.Readability.Specs, []},
+          {Credo.Check.Readability.StrictModuleLayout, []},
+          {Credo.Check.Readability.WithCustomTaggedTuple, []},
+          {Credo.Check.Refactor.ABCSize, []},
+          {Credo.Check.Refactor.AppendSingleItem, []},
+          {Credo.Check.Refactor.FilterReject, []},
+          {Credo.Check.Refactor.IoPuts, []},
+          {Credo.Check.Refactor.MapMap, []},
+          {Credo.Check.Refactor.ModuleDependencies, []},
+          {Credo.Check.Refactor.NegatedIsNil, []},
+          {Credo.Check.Refactor.PassAsyncInTestCases, []},
+          {Credo.Check.Refactor.RejectFilter, []},
+          {Credo.Check.Refactor.VariableRebinding, []},
+          {Credo.Check.Warning.LazyLogging, []},
+          {Credo.Check.Warning.LeakyEnvironment, []},
+          {Credo.Check.Warning.MapGetUnsafePass, []},
+          {Credo.Check.Warning.MixEnv, []},
+          {Credo.Check.Warning.UnsafeToAtom, []}
 
-        # Controversial and experimental checks (opt-in, just remove `, false`)
-        #
-        {Credo.Check.Refactor.ABCSize, false},
-        {Credo.Check.Refactor.AppendSingleItem, false},
-        {Credo.Check.Refactor.VariableRebinding, false},
-        {Credo.Check.Warning.MapGetUnsafePass, false},
-        {Credo.Check.Consistency.MultiAliasImportRequireUse, false},
+          # {Credo.Check.Refactor.MapInto, []},
 
-        # Deprecated checks (these will be deleted after a grace period)
-        #
-        {Credo.Check.Readability.Specs, false},
-        {Credo.Check.Warning.NameRedeclarationByAssignment, false},
-        {Credo.Check.Warning.NameRedeclarationByCase, false},
-        {Credo.Check.Warning.NameRedeclarationByDef, false},
-        {Credo.Check.Warning.NameRedeclarationByFn, false},
-
-        # Custom checks can be created using `mix credo.gen.check`.
-        #
-      ]
+          #
+          # Custom checks can be created using `mix credo.gen.check`.
+          #
+        ]
+      }
     }
   ]
 }

config/config.exs

@@ -1,6 +1,5 @@
 # This file is responsible for configuring your application
-# and its dependencies with the aid of the Mix.Config module.
-use Mix.Config
+import Config
 
 # This configuration is loaded before any dependency and is restricted
 # to this project. If another project depends on this project, this

config/dev.exs

@@ -1 +1 @@
-use Mix.Config
+import Config

config/docs.exs

@@ -1 +1 @@
-use Mix.Config
+import Config

config/prod.exs

@@ -1 +1 @@
-use Mix.Config
+import Config

config/test.exs

@@ -1,4 +1,4 @@
-use Mix.Config
+import Config
 
 # Configure triplex
 config :triplex,
@@ -31,4 +31,4 @@ config :triplex, Triplex.MSTestRepo,
   database: "triplex_test",
   pool: Ecto.Adapters.SQL.Sandbox
 
-config :logger, level: :warn
+config :logger, level: :warning

lib/mix/tasks/triplex.mysql.install.ex

@@ -26,7 +26,7 @@ defmodule Mix.Tasks.Triplex.Mysql.Install do
     Enum.each(repos, fn repo ->
       Ecto.ensure_repo(repo, args)
 
-      if repo.__adapter__ != MyXQL do
+      if repo.__adapter__() != MyXQL do
         Mix.raise("the tenant table only makes sense for MySQL repositories")
       end
 

lib/triplex.ex

@@ -75,7 +75,7 @@ defmodule Triplex do
 
   defp do_reserved_tenant?(prefix) do
     Enum.any?(reserved_tenants(), fn i ->
-      if is_bitstring(prefix) and Regex.regex?(i) do
+      if is_bitstring(prefix) and is_struct(i, Regex) do
         Regex.match?(i, prefix)
       else
         i == prefix
@@ -151,7 +151,7 @@ defmodule Triplex do
       {:error, reserved_message(tenant)}
     else
       sql =
-        case repo.__adapter__ do
+        case repo.__adapter__() do
           Ecto.Adapters.MyXQL -> "CREATE DATABASE `#{to_prefix(tenant)}`"
           Ecto.Adapters.Postgres -> "CREATE SCHEMA \"#{to_prefix(tenant)}\""
         end
@@ -174,15 +174,15 @@ defmodule Triplex do
   end
 
   defp error_message(msg) do
-    if Exception.exception?(msg) do
+    if is_exception(msg) do
       Exception.message(msg)
     else
       msg
     end
   end
 
   defp add_to_tenants_table(tenant, repo) do
-    case repo.__adapter__ do
+    case repo.__adapter__() do
       Ecto.Adapters.MyXQL ->
         if Triplex.config().tenant_table == :"information_schema.schemata" do
           {:ok, :skipped}
@@ -197,7 +197,7 @@ defmodule Triplex do
   end
 
   defp remove_from_tenants_table(tenant, repo) do
-    case repo.__adapter__ do
+    case repo.__adapter__() do
       Ecto.Adapters.MyXQL ->
         if Triplex.config().tenant_table == :"information_schema.schemata" do
           {:ok, :skipped}
@@ -233,7 +233,7 @@ defmodule Triplex do
       {:error, reserved_message(tenant)}
     else
       sql =
-        case repo.__adapter__ do
+        case repo.__adapter__() do
           Ecto.Adapters.MyXQL -> "DROP DATABASE `#{to_prefix(tenant)}`"
           Ecto.Adapters.Postgres -> "DROP SCHEMA \"#{to_prefix(tenant)}\" CASCADE"
         end
@@ -260,7 +260,7 @@ defmodule Triplex do
     if reserved_tenant?(new_tenant) do
       {:error, reserved_message(new_tenant)}
     else
-      case repo.__adapter__ do
+      case repo.__adapter__() do
         Ecto.Adapters.MyXQL ->
           {:error, "you cannot rename tenants in a MySQL database."}
 
@@ -286,7 +286,7 @@ defmodule Triplex do
   """
   def all(repo \\ config().repo) do
     sql =
-      case repo.__adapter__ do
+      case repo.__adapter__() do
         Ecto.Adapters.MyXQL ->
           column_name =
             if Triplex.config().tenant_table == :"information_schema.schemata",
@@ -319,7 +319,7 @@ defmodule Triplex do
       false
     else
       sql =
-        case repo.__adapter__ do
+        case repo.__adapter__() do
           Ecto.Adapters.MyXQL ->
             "SELECT COUNT(*) FROM `#{config().tenant_table}` WHERE name = ?"