refactor: move act under internal

The runner is an application, not a library. `act/model` and
`act/exprparser` were the last packages anything outside this repository
consumed and they now live in actionslib, so nothing needs the rest of
`act` to be importable, and keeping it importable invites the coupling
that was just removed.

Import paths only, the files are unchanged.

Assisted-by: Codet:GPT-5.1-Codex

internal/act/runner/container_mock_test.go

@@ -0,0 +1,91 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Copyright 2022 The nektos/act Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package runner
+
+import (
+	"context"
+	"io"
+
+	"gitea.com/gitea/runner/internal/act/common"
+	"gitea.com/gitea/runner/internal/act/container"
+
+	"github.com/stretchr/testify/mock"
+)
+
+type containerMock struct {
+	mock.Mock
+	container.Container
+	container.LinuxContainerEnvironmentExtensions
+}
+
+func (cm *containerMock) Create(capAdd, capDrop []string) common.Executor {
+	args := cm.Called(capAdd, capDrop)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Pull(forcePull bool) common.Executor {
+	args := cm.Called(forcePull)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Start(attach bool) common.Executor {
+	args := cm.Called(attach)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Remove() common.Executor {
+	args := cm.Called()
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Close() common.Executor {
+	args := cm.Called()
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) UpdateFromEnv(srcPath string, env *map[string]string) common.Executor {
+	args := cm.Called(srcPath, env)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) UpdateFromImageEnv(env *map[string]string) common.Executor {
+	args := cm.Called(env)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Copy(destPath string, files ...*container.FileEntry) common.Executor {
+	args := cm.Called(destPath, files)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) CopyDir(destPath, srcPath string, useGitIgnore bool) common.Executor {
+	args := cm.Called(destPath, srcPath, useGitIgnore)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) Exec(command []string, env map[string]string, user, workdir string) common.Executor {
+	args := cm.Called(command, env, user, workdir)
+	return args.Get(0).(func(context.Context) error)
+}
+
+func (cm *containerMock) GetContainerArchive(ctx context.Context, srcPath string) (io.ReadCloser, error) {
+	args := cm.Called(ctx, srcPath)
+	err, hasErr := args.Get(1).(error)
+	if !hasErr {
+		err = nil
+	}
+	return args.Get(0).(io.ReadCloser), err
+}
+
+func (cm *containerMock) DumpLogs(ctx context.Context) error {
+	return cm.Called(ctx).Error(0)
+}
+
+func (cm *containerMock) Inspect(ctx context.Context) (*container.Info, error) {
+	args := cm.Called(ctx)
+	info, _ := args.Get(0).(*container.Info)
+	err, _ := args.Get(1).(error)
+	return info, err
+}