Fix container volumes being reused sometimes (#283)

pkg/container/docker_volume.go

@@ -3,11 +3,34 @@ package container
 import (
 	"context"
 
+	"github.com/docker/docker/api/types/filters"
 	"github.com/nektos/act/pkg/common"
 )
 
-// NewDockerVolumeRemoveExecutor function
 func NewDockerVolumeRemoveExecutor(volume string, force bool) common.Executor {
+	return func(ctx context.Context) error {
+		cli, err := GetDockerClient(ctx)
+		if err != nil {
+			return err
+		}
+
+		list, err := cli.VolumeList(ctx, filters.NewArgs())
+		if err != nil {
+			return err
+		}
+
+		for _, vol := range list.Volumes {
+			if vol.Name == volume {
+				return removeExecutor(volume, force)(ctx)
+			}
+		}
+
+		// Volume not found - do nothing
+		return nil
+	}
+}
+
+func removeExecutor(volume string, force bool) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
 		logger.Debugf("%sdocker volume rm %s", logPrefix, volume)
@@ -23,5 +46,4 @@ func NewDockerVolumeRemoveExecutor(volume string, force bool) common.Executor {
 
 		return cli.VolumeRemove(ctx, volume, force)
 	}
-
 }

pkg/runner/expression_test.go

@@ -83,7 +83,6 @@ func TestEvaluate(t *testing.T) {
 		{"matrix.os", "Linux", ""},
 		{"matrix.foo", "bar", ""},
 		{"env.key", "value", ""},
-
 	}
 
 	for _, table := range tables {
@@ -121,7 +120,7 @@ func TestInterpolate(t *testing.T) {
 		},
 	}
 	ee := rc.NewExpressionEvaluator()
-	tables := []struct{
+	tables := []struct {
 		in  string
 		out string
 	}{

pkg/runner/run_context.go

@@ -115,7 +115,7 @@ func (rc *RunContext) startJobContainer() common.Executor {
 
 		return common.NewPipelineExecutor(
 			rc.JobContainer.Pull(rc.Config.ForcePull),
-			rc.JobContainer.Remove().IfBool(!rc.Config.ReuseContainers),
+			rc.stopJobContainer(),
 			rc.JobContainer.Create(),
 			rc.JobContainer.Start(false),
 			rc.JobContainer.CopyDir(copyToPath, rc.Config.Workdir+"/.").IfBool(copyWorkspace),
@@ -136,6 +136,8 @@ func (rc *RunContext) execJobContainer(cmd []string, env map[string]string) comm
 		return rc.JobContainer.Exec(cmd, env)(ctx)
 	}
 }
+
+// stopJobContainer removes the job container (if it exists) and its volume (if it exists) if !rc.Config.ReuseContainers
 func (rc *RunContext) stopJobContainer() common.Executor {
 	return func(ctx context.Context) error {
 		if rc.JobContainer != nil && !rc.Config.ReuseContainers {