Makes custom rules show up in mllint list all and allows custom rul…

…es to be disabled with through the config as though they are normal rules.

commands/list.go

@@ -7,6 +7,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/bvobart/mllint/api"
+	"github.com/bvobart/mllint/config"
 	"github.com/bvobart/mllint/linters"
 	"github.com/bvobart/mllint/utils/markdowngen"
 )
@@ -60,6 +61,18 @@ func listAll(_ *cobra.Command, args []string) error {
 	if err := checkOutputFlag(); err != nil {
 		return err
 	}
+
+	conf, conftype, err := config.ParseFromDir(".")
+	if err == nil && len(conf.Rules.Custom) > 0 {
+		shush(func() {
+			color.Green("Including %d custom rules from the %s file in the current directory\n\n", len(conf.Rules.Custom), conftype.String())
+		})
+
+		if err := linters.ConfigureAll(conf); err != nil {
+			color.HiYellow("Warning! The mllint configuration file %s contains an error: %s\n\n", conftype.String(), err.Error())
+		}
+	}
+
 	return listLinters(linters.ByCategory)
 }
 
@@ -80,10 +93,10 @@ func listEnabled(_ *cobra.Command, args []string) error {
 	}
 	shush(func() { fmt.Print("---\n\n") })
 
-	linters.DisableAll(conf.Rules.Disabled)
 	if err := linters.ConfigureAll(conf); err != nil {
 		return err
 	}
+	linters.DisableAll(conf.Rules.Disabled)
 
 	if err := listLinters(linters.ByCategory); err != nil {
 		return err

commands/run.go

@@ -85,14 +85,15 @@ func (rc *runCommand) RunLint(cmd *cobra.Command, args []string) error {
 	rc.ProjectR.Config = *rc.Config
 	shush(func() { fmt.Print("---\n\n") })
 
-	// disable any rules from config
-	rulesDisabled := linters.DisableAll(rc.Config.Rules.Disabled)
-
 	// configure all linters with config
 	if err = linters.ConfigureAll(rc.Config); err != nil {
 		return err
 	}
 
+	// disable any rules from config.
+	// This is done after configuring each linter, such that any rules arising from the configuration (e.g. custom rules) can also be disabled.
+	rulesDisabled := linters.DisableAll(rc.Config.Rules.Disabled)
+
 	// run pre-analysis checks
 	if err = rc.runPreAnalysisChecks(); err != nil {
 		return fmt.Errorf("failed to run pre-analysis checks: %w", err)