hook up linter

command/compile.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/drone-runners/drone-runner-docker/command/internal"
 	"github.com/drone-runners/drone-runner-docker/engine/compiler"
+	"github.com/drone-runners/drone-runner-docker/engine/linter"
 	"github.com/drone-runners/drone-runner-docker/engine/resource"
 	"github.com/drone/envsubst"
 	"github.com/drone/runner-go/environ"
@@ -77,6 +78,15 @@ func (c *compileCommand) run(*kingpin.ParseContext) error {
 		return err
 	}
 
+	// lint the pipeline and return an error if any
+	// linting rules are broken
+	lint := linter.New()
+	opts := linter.Opts{Trusted: c.Repo.Trusted}
+	err = lint.Lint(resource, opts)
+	if err != nil {
+		return err
+	}
+
 	// compile the pipeline to an intermediate representation.
 	comp := &compiler.Compiler{
 		Pipeline: resource,