Merge tag 'nektos/v0.2.45'

2023-05-04 17:45:53 +08:00
parent a18648ee73 f1df2ca5d6
commit 229dbaf153
43 changed files with 1918 additions and 313 deletions
--- a/pkg/artifactcache/doc.go
+++ b/pkg/artifactcache/doc.go
@@ -0,0 +1,8 @@
+// Package artifactcache provides a cache handler for the runner.
+//
+// Inspired by https://github.com/sp-ricard-valverde/github-act-cache-server
+//
+// TODO: Authorization
+// TODO: Restrictions for accessing a cache, see https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cache
+// TODO: Force deleting cache entries, see https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
+package artifactcache
--- a/pkg/artifactcache/handler.go
+++ b/pkg/artifactcache/handler.go
@@ -0,0 +1,488 @@
+package artifactcache
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"sync/atomic"
+	"time"
+
+	"github.com/julienschmidt/httprouter"
+	"github.com/sirupsen/logrus"
+	"github.com/timshannon/bolthold"
+	"go.etcd.io/bbolt"
+
+	"github.com/nektos/act/pkg/common"
+)
+
+const (
+	urlBase = "/_apis/artifactcache"
+)
+
+type Handler struct {
+	db       *bolthold.Store
+	storage  *Storage
+	router   *httprouter.Router
+	listener net.Listener
+	server   *http.Server
+	logger   logrus.FieldLogger
+
+	gcing int32 // TODO: use atomic.Bool when we can use Go 1.19
+	gcAt  time.Time
+
+	outboundIP string
+}
+
+func StartHandler(dir, outboundIP string, port uint16, logger logrus.FieldLogger) (*Handler, error) {
+	h := &Handler{}
+
+	if logger == nil {
+		discard := logrus.New()
+		discard.Out = io.Discard
+		logger = discard
+	}
+	logger = logger.WithField("module", "artifactcache")
+	h.logger = logger
+
+	if dir == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return nil, err
+		}
+		dir = filepath.Join(home, ".cache", "actcache")
+	}
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		return nil, err
+	}
+
+	db, err := bolthold.Open(filepath.Join(dir, "bolt.db"), 0o644, &bolthold.Options{
+		Encoder: json.Marshal,
+		Decoder: json.Unmarshal,
+		Options: &bbolt.Options{
+			Timeout:      5 * time.Second,
+			NoGrowSync:   bbolt.DefaultOptions.NoGrowSync,
+			FreelistType: bbolt.DefaultOptions.FreelistType,
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	h.db = db
+
+	storage, err := NewStorage(filepath.Join(dir, "cache"))
+	if err != nil {
+		return nil, err
+	}
+	h.storage = storage
+
+	if outboundIP != "" {
+		h.outboundIP = outboundIP
+	} else if ip := common.GetOutboundIP(); ip == nil {
+		return nil, fmt.Errorf("unable to determine outbound IP address")
+	} else {
+		h.outboundIP = ip.String()
+	}
+
+	router := httprouter.New()
+	router.GET(urlBase+"/cache", h.middleware(h.find))
+	router.POST(urlBase+"/caches", h.middleware(h.reserve))
+	router.PATCH(urlBase+"/caches/:id", h.middleware(h.upload))
+	router.POST(urlBase+"/caches/:id", h.middleware(h.commit))
+	router.GET(urlBase+"/artifacts/:id", h.middleware(h.get))
+	router.POST(urlBase+"/clean", h.middleware(h.clean))
+
+	h.router = router
+
+	h.gcCache()
+
+	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port)) // listen on all interfaces
+	if err != nil {
+		return nil, err
+	}
+	server := &http.Server{
+		ReadHeaderTimeout: 2 * time.Second,
+		Handler:           router,
+	}
+	go func() {
+		if err := server.Serve(listener); err != nil && errors.Is(err, net.ErrClosed) {
+			logger.Errorf("http serve: %v", err)
+		}
+	}()
+	h.listener = listener
+	h.server = server
+
+	return h, nil
+}
+
+func (h *Handler) ExternalURL() string {
+	// TODO: make the external url configurable if necessary
+	return fmt.Sprintf("http://%s:%d",
+		h.outboundIP,
+		h.listener.Addr().(*net.TCPAddr).Port)
+}
+
+func (h *Handler) Close() error {
+	if h == nil {
+		return nil
+	}
+	var retErr error
+	if h.server != nil {
+		err := h.server.Close()
+		if err != nil {
+			retErr = err
+		}
+		h.server = nil
+	}
+	if h.listener != nil {
+		err := h.listener.Close()
+		if errors.Is(err, net.ErrClosed) {
+			err = nil
+		}
+		if err != nil {
+			retErr = err
+		}
+		h.listener = nil
+	}
+	if h.db != nil {
+		err := h.db.Close()
+		if err != nil {
+			retErr = err
+		}
+		h.db = nil
+	}
+	return retErr
+}
+
+// GET /_apis/artifactcache/cache
+func (h *Handler) find(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	keys := strings.Split(r.URL.Query().Get("keys"), ",")
+	// cache keys are case insensitive
+	for i, key := range keys {
+		keys[i] = strings.ToLower(key)
+	}
+	version := r.URL.Query().Get("version")
+
+	cache, err := h.findCache(keys, version)
+	if err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+	if cache == nil {
+		h.responseJSON(w, r, 204)
+		return
+	}
+
+	if ok, err := h.storage.Exist(cache.ID); err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	} else if !ok {
+		_ = h.db.Delete(cache.ID, cache)
+		h.responseJSON(w, r, 204)
+		return
+	}
+	h.responseJSON(w, r, 200, map[string]any{
+		"result":          "hit",
+		"archiveLocation": fmt.Sprintf("%s%s/artifacts/%d", h.ExternalURL(), urlBase, cache.ID),
+		"cacheKey":        cache.Key,
+	})
+}
+
+// POST /_apis/artifactcache/caches
+func (h *Handler) reserve(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	api := &Request{}
+	if err := json.NewDecoder(r.Body).Decode(api); err != nil {
+		h.responseJSON(w, r, 400, err)
+		return
+	}
+	// cache keys are case insensitive
+	api.Key = strings.ToLower(api.Key)
+
+	cache := api.ToCache()
+	cache.FillKeyVersionHash()
+	if err := h.db.FindOne(cache, bolthold.Where("KeyVersionHash").Eq(cache.KeyVersionHash)); err != nil {
+		if !errors.Is(err, bolthold.ErrNotFound) {
+			h.responseJSON(w, r, 500, err)
+			return
+		}
+	} else {
+		h.responseJSON(w, r, 400, fmt.Errorf("already exist"))
+		return
+	}
+
+	now := time.Now().Unix()
+	cache.CreatedAt = now
+	cache.UsedAt = now
+	if err := h.db.Insert(bolthold.NextSequence(), cache); err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+	// write back id to db
+	if err := h.db.Update(cache.ID, cache); err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+	h.responseJSON(w, r, 200, map[string]any{
+		"cacheId": cache.ID,
+	})
+}
+
+// PATCH /_apis/artifactcache/caches/:id
+func (h *Handler) upload(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	id, err := strconv.ParseInt(params.ByName("id"), 10, 64)
+	if err != nil {
+		h.responseJSON(w, r, 400, err)
+		return
+	}
+
+	cache := &Cache{}
+	if err := h.db.Get(id, cache); err != nil {
+		if errors.Is(err, bolthold.ErrNotFound) {
+			h.responseJSON(w, r, 400, fmt.Errorf("cache %d: not reserved", id))
+			return
+		}
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+
+	if cache.Complete {
+		h.responseJSON(w, r, 400, fmt.Errorf("cache %v %q: already complete", cache.ID, cache.Key))
+		return
+	}
+	start, _, err := parseContentRange(r.Header.Get("Content-Range"))
+	if err != nil {
+		h.responseJSON(w, r, 400, err)
+		return
+	}
+	if err := h.storage.Write(cache.ID, start, r.Body); err != nil {
+		h.responseJSON(w, r, 500, err)
+	}
+	h.useCache(id)
+	h.responseJSON(w, r, 200)
+}
+
+// POST /_apis/artifactcache/caches/:id
+func (h *Handler) commit(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	id, err := strconv.ParseInt(params.ByName("id"), 10, 64)
+	if err != nil {
+		h.responseJSON(w, r, 400, err)
+		return
+	}
+
+	cache := &Cache{}
+	if err := h.db.Get(id, cache); err != nil {
+		if errors.Is(err, bolthold.ErrNotFound) {
+			h.responseJSON(w, r, 400, fmt.Errorf("cache %d: not reserved", id))
+			return
+		}
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+
+	if cache.Complete {
+		h.responseJSON(w, r, 400, fmt.Errorf("cache %v %q: already complete", cache.ID, cache.Key))
+		return
+	}
+
+	if err := h.storage.Commit(cache.ID, cache.Size); err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+
+	cache.Complete = true
+	if err := h.db.Update(cache.ID, cache); err != nil {
+		h.responseJSON(w, r, 500, err)
+		return
+	}
+
+	h.responseJSON(w, r, 200)
+}
+
+// GET /_apis/artifactcache/artifacts/:id
+func (h *Handler) get(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	id, err := strconv.ParseInt(params.ByName("id"), 10, 64)
+	if err != nil {
+		h.responseJSON(w, r, 400, err)
+		return
+	}
+	h.useCache(id)
+	h.storage.Serve(w, r, uint64(id))
+}
+
+// POST /_apis/artifactcache/clean
+func (h *Handler) clean(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	// TODO: don't support force deleting cache entries
+	// see: https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
+
+	h.responseJSON(w, r, 200)
+}
+
+func (h *Handler) middleware(handler httprouter.Handle) httprouter.Handle {
+	return func(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+		h.logger.Debugf("%s %s", r.Method, r.RequestURI)
+		handler(w, r, params)
+		go h.gcCache()
+	}
+}
+
+// if not found, return (nil, nil) instead of an error.
+func (h *Handler) findCache(keys []string, version string) (*Cache, error) {
+	if len(keys) == 0 {
+		return nil, nil
+	}
+	key := keys[0] // the first key is for exact match.
+
+	cache := &Cache{
+		Key:     key,
+		Version: version,
+	}
+	cache.FillKeyVersionHash()
+
+	if err := h.db.FindOne(cache, bolthold.Where("KeyVersionHash").Eq(cache.KeyVersionHash)); err != nil {
+		if !errors.Is(err, bolthold.ErrNotFound) {
+			return nil, err
+		}
+	} else if cache.Complete {
+		return cache, nil
+	}
+	stop := fmt.Errorf("stop")
+
+	for _, prefix := range keys[1:] {
+		found := false
+		if err := h.db.ForEach(bolthold.Where("Key").Ge(prefix).And("Version").Eq(version).SortBy("Key"), func(v *Cache) error {
+			if !strings.HasPrefix(v.Key, prefix) {
+				return stop
+			}
+			if v.Complete {
+				cache = v
+				found = true
+				return stop
+			}
+			return nil
+		}); err != nil {
+			if !errors.Is(err, stop) {
+				return nil, err
+			}
+		}
+		if found {
+			return cache, nil
+		}
+	}
+	return nil, nil
+}
+
+func (h *Handler) useCache(id int64) {
+	cache := &Cache{}
+	if err := h.db.Get(id, cache); err != nil {
+		return
+	}
+	cache.UsedAt = time.Now().Unix()
+	_ = h.db.Update(cache.ID, cache)
+}
+
+func (h *Handler) gcCache() {
+	if atomic.LoadInt32(&h.gcing) != 0 {
+		return
+	}
+	if !atomic.CompareAndSwapInt32(&h.gcing, 0, 1) {
+		return
+	}
+	defer atomic.StoreInt32(&h.gcing, 0)
+
+	if time.Since(h.gcAt) < time.Hour {
+		h.logger.Debugf("skip gc: %v", h.gcAt.String())
+		return
+	}
+	h.gcAt = time.Now()
+	h.logger.Debugf("gc: %v", h.gcAt.String())
+
+	const (
+		keepUsed   = 30 * 24 * time.Hour
+		keepUnused = 7 * 24 * time.Hour
+		keepTemp   = 5 * time.Minute
+	)
+
+	var caches []*Cache
+	if err := h.db.Find(&caches, bolthold.Where("UsedAt").Lt(time.Now().Add(-keepTemp).Unix())); err != nil {
+		h.logger.Warnf("find caches: %v", err)
+	} else {
+		for _, cache := range caches {
+			if cache.Complete {
+				continue
+			}
+			h.storage.Remove(cache.ID)
+			if err := h.db.Delete(cache.ID, cache); err != nil {
+				h.logger.Warnf("delete cache: %v", err)
+				continue
+			}
+			h.logger.Infof("deleted cache: %+v", cache)
+		}
+	}
+
+	caches = caches[:0]
+	if err := h.db.Find(&caches, bolthold.Where("UsedAt").Lt(time.Now().Add(-keepUnused).Unix())); err != nil {
+		h.logger.Warnf("find caches: %v", err)
+	} else {
+		for _, cache := range caches {
+			h.storage.Remove(cache.ID)
+			if err := h.db.Delete(cache.ID, cache); err != nil {
+				h.logger.Warnf("delete cache: %v", err)
+				continue
+			}
+			h.logger.Infof("deleted cache: %+v", cache)
+		}
+	}
+
+	caches = caches[:0]
+	if err := h.db.Find(&caches, bolthold.Where("CreatedAt").Lt(time.Now().Add(-keepUsed).Unix())); err != nil {
+		h.logger.Warnf("find caches: %v", err)
+	} else {
+		for _, cache := range caches {
+			h.storage.Remove(cache.ID)
+			if err := h.db.Delete(cache.ID, cache); err != nil {
+				h.logger.Warnf("delete cache: %v", err)
+				continue
+			}
+			h.logger.Infof("deleted cache: %+v", cache)
+		}
+	}
+}
+
+func (h *Handler) responseJSON(w http.ResponseWriter, r *http.Request, code int, v ...any) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	var data []byte
+	if len(v) == 0 || v[0] == nil {
+		data, _ = json.Marshal(struct{}{})
+	} else if err, ok := v[0].(error); ok {
+		h.logger.Errorf("%v %v: %v", r.Method, r.RequestURI, err)
+		data, _ = json.Marshal(map[string]any{
+			"error": err.Error(),
+		})
+	} else {
+		data, _ = json.Marshal(v[0])
+	}
+	w.WriteHeader(code)
+	_, _ = w.Write(data)
+}
+
+func parseContentRange(s string) (int64, int64, error) {
+	// support the format like "bytes 11-22/*" only
+	s, _, _ = strings.Cut(strings.TrimPrefix(s, "bytes "), "/")
+	s1, s2, _ := strings.Cut(s, "-")
+
+	start, err := strconv.ParseInt(s1, 10, 64)
+	if err != nil {
+		return 0, 0, fmt.Errorf("parse %q: %w", s, err)
+	}
+	stop, err := strconv.ParseInt(s2, 10, 64)
+	if err != nil {
+		return 0, 0, fmt.Errorf("parse %q: %w", s, err)
+	}
+	return start, stop, nil
+}
--- a/pkg/artifactcache/handler_test.go
+++ b/pkg/artifactcache/handler_test.go
@@ -0,0 +1,469 @@
+package artifactcache
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.etcd.io/bbolt"
+)
+
+func TestHandler(t *testing.T) {
+	dir := filepath.Join(t.TempDir(), "artifactcache")
+	handler, err := StartHandler(dir, "", 0, nil)
+	require.NoError(t, err)
+
+	base := fmt.Sprintf("%s%s", handler.ExternalURL(), urlBase)
+
+	defer func() {
+		t.Run("inpect db", func(t *testing.T) {
+			require.NoError(t, handler.db.Bolt().View(func(tx *bbolt.Tx) error {
+				return tx.Bucket([]byte("Cache")).ForEach(func(k, v []byte) error {
+					t.Logf("%s: %s", k, v)
+					return nil
+				})
+			}))
+		})
+		t.Run("close", func(t *testing.T) {
+			require.NoError(t, handler.Close())
+			assert.Nil(t, handler.server)
+			assert.Nil(t, handler.listener)
+			assert.Nil(t, handler.db)
+			_, err := http.Post(fmt.Sprintf("%s/caches/%d", base, 1), "", nil)
+			assert.Error(t, err)
+		})
+	}()
+
+	t.Run("get not exist", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, key, version))
+		require.NoError(t, err)
+		require.Equal(t, 204, resp.StatusCode)
+	})
+
+	t.Run("reserve and upload", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		uploadCacheNormally(t, base, key, version, content)
+	})
+
+	t.Run("clean", func(t *testing.T) {
+		resp, err := http.Post(fmt.Sprintf("%s/clean", base), "", nil)
+		require.NoError(t, err)
+		assert.Equal(t, 200, resp.StatusCode)
+	})
+
+	t.Run("reserve with bad request", func(t *testing.T) {
+		body := []byte(`invalid json`)
+		require.NoError(t, err)
+		resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+		require.NoError(t, err)
+		assert.Equal(t, 400, resp.StatusCode)
+	})
+
+	t.Run("duplicate reserve", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+		}
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("upload with bad id", func(t *testing.T) {
+		req, err := http.NewRequest(http.MethodPatch,
+			fmt.Sprintf("%s/caches/invalid_id", base), bytes.NewReader(nil))
+		require.NoError(t, err)
+		req.Header.Set("Content-Type", "application/octet-stream")
+		req.Header.Set("Content-Range", "bytes 0-99/*")
+		resp, err := http.DefaultClient.Do(req)
+		require.NoError(t, err)
+		assert.Equal(t, 400, resp.StatusCode)
+	})
+
+	t.Run("upload without reserve", func(t *testing.T) {
+		req, err := http.NewRequest(http.MethodPatch,
+			fmt.Sprintf("%s/caches/%d", base, 1000), bytes.NewReader(nil))
+		require.NoError(t, err)
+		req.Header.Set("Content-Type", "application/octet-stream")
+		req.Header.Set("Content-Range", "bytes 0-99/*")
+		resp, err := http.DefaultClient.Do(req)
+		require.NoError(t, err)
+		assert.Equal(t, 400, resp.StatusCode)
+	})
+
+	t.Run("upload with complete", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		var id uint64
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			id = got.CacheID
+		}
+		{
+			req, err := http.NewRequest(http.MethodPatch,
+				fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content))
+			require.NoError(t, err)
+			req.Header.Set("Content-Type", "application/octet-stream")
+			req.Header.Set("Content-Range", "bytes 0-99/*")
+			resp, err := http.DefaultClient.Do(req)
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+		}
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+		}
+		{
+			req, err := http.NewRequest(http.MethodPatch,
+				fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content))
+			require.NoError(t, err)
+			req.Header.Set("Content-Type", "application/octet-stream")
+			req.Header.Set("Content-Range", "bytes 0-99/*")
+			resp, err := http.DefaultClient.Do(req)
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("upload with invalid range", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		var id uint64
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			id = got.CacheID
+		}
+		{
+			req, err := http.NewRequest(http.MethodPatch,
+				fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content))
+			require.NoError(t, err)
+			req.Header.Set("Content-Type", "application/octet-stream")
+			req.Header.Set("Content-Range", "bytes xx-99/*")
+			resp, err := http.DefaultClient.Do(req)
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("commit with bad id", func(t *testing.T) {
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/invalid_id", base), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("commit with not exist id", func(t *testing.T) {
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, 100), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("duplicate commit", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		var id uint64
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			id = got.CacheID
+		}
+		{
+			req, err := http.NewRequest(http.MethodPatch,
+				fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content))
+			require.NoError(t, err)
+			req.Header.Set("Content-Type", "application/octet-stream")
+			req.Header.Set("Content-Range", "bytes 0-99/*")
+			resp, err := http.DefaultClient.Do(req)
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+		}
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+		}
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 400, resp.StatusCode)
+		}
+	})
+
+	t.Run("commit early", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		var id uint64
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			id = got.CacheID
+		}
+		{
+			req, err := http.NewRequest(http.MethodPatch,
+				fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content[:50]))
+			require.NoError(t, err)
+			req.Header.Set("Content-Type", "application/octet-stream")
+			req.Header.Set("Content-Range", "bytes 0-59/*")
+			resp, err := http.DefaultClient.Do(req)
+			require.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+		}
+		{
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
+			require.NoError(t, err)
+			assert.Equal(t, 500, resp.StatusCode)
+		}
+	})
+
+	t.Run("get with bad id", func(t *testing.T) {
+		resp, err := http.Get(fmt.Sprintf("%s/artifacts/invalid_id", base))
+		require.NoError(t, err)
+		require.Equal(t, 400, resp.StatusCode)
+	})
+
+	t.Run("get with not exist id", func(t *testing.T) {
+		resp, err := http.Get(fmt.Sprintf("%s/artifacts/%d", base, 100))
+		require.NoError(t, err)
+		require.Equal(t, 404, resp.StatusCode)
+	})
+
+	t.Run("get with not exist id", func(t *testing.T) {
+		resp, err := http.Get(fmt.Sprintf("%s/artifacts/%d", base, 100))
+		require.NoError(t, err)
+		require.Equal(t, 404, resp.StatusCode)
+	})
+
+	t.Run("get with multiple keys", func(t *testing.T) {
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		key := strings.ToLower(t.Name())
+		keys := [3]string{
+			key + "_a",
+			key + "_a_b",
+			key + "_a_b_c",
+		}
+		contents := [3][]byte{
+			make([]byte, 100),
+			make([]byte, 200),
+			make([]byte, 300),
+		}
+		for i := range contents {
+			_, err := rand.Read(contents[i])
+			require.NoError(t, err)
+			uploadCacheNormally(t, base, keys[i], version, contents[i])
+		}
+
+		reqKeys := strings.Join([]string{
+			key + "_a_b_x",
+			key + "_a_b",
+			key + "_a",
+		}, ",")
+		var archiveLocation string
+		{
+			resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKeys, version))
+			require.NoError(t, err)
+			require.Equal(t, 200, resp.StatusCode)
+			got := struct {
+				Result          string `json:"result"`
+				ArchiveLocation string `json:"archiveLocation"`
+				CacheKey        string `json:"cacheKey"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			assert.Equal(t, "hit", got.Result)
+			assert.Equal(t, keys[1], got.CacheKey)
+			archiveLocation = got.ArchiveLocation
+		}
+		{
+			resp, err := http.Get(archiveLocation) //nolint:gosec
+			require.NoError(t, err)
+			require.Equal(t, 200, resp.StatusCode)
+			got, err := io.ReadAll(resp.Body)
+			require.NoError(t, err)
+			assert.Equal(t, contents[1], got)
+		}
+	})
+
+	t.Run("case insensitive", func(t *testing.T) {
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		key := strings.ToLower(t.Name())
+		content := make([]byte, 100)
+		_, err := rand.Read(content)
+		require.NoError(t, err)
+		uploadCacheNormally(t, base, key+"_ABC", version, content)
+
+		{
+			reqKey := key + "_aBc"
+			resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKey, version))
+			require.NoError(t, err)
+			require.Equal(t, 200, resp.StatusCode)
+			got := struct {
+				Result          string `json:"result"`
+				ArchiveLocation string `json:"archiveLocation"`
+				CacheKey        string `json:"cacheKey"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			assert.Equal(t, "hit", got.Result)
+			assert.Equal(t, key+"_abc", got.CacheKey)
+		}
+	})
+}
+
+func uploadCacheNormally(t *testing.T, base, key, version string, content []byte) {
+	var id uint64
+	{
+		body, err := json.Marshal(&Request{
+			Key:     key,
+			Version: version,
+			Size:    int64(len(content)),
+		})
+		require.NoError(t, err)
+		resp, err := http.Post(fmt.Sprintf("%s/caches", base), "application/json", bytes.NewReader(body))
+		require.NoError(t, err)
+		assert.Equal(t, 200, resp.StatusCode)
+
+		got := struct {
+			CacheID uint64 `json:"cacheId"`
+		}{}
+		require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+		id = got.CacheID
+	}
+	{
+		req, err := http.NewRequest(http.MethodPatch,
+			fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(content))
+		require.NoError(t, err)
+		req.Header.Set("Content-Type", "application/octet-stream")
+		req.Header.Set("Content-Range", "bytes 0-99/*")
+		resp, err := http.DefaultClient.Do(req)
+		require.NoError(t, err)
+		assert.Equal(t, 200, resp.StatusCode)
+	}
+	{
+		resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
+		require.NoError(t, err)
+		assert.Equal(t, 200, resp.StatusCode)
+	}
+	var archiveLocation string
+	{
+		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, key, version))
+		require.NoError(t, err)
+		require.Equal(t, 200, resp.StatusCode)
+		got := struct {
+			Result          string `json:"result"`
+			ArchiveLocation string `json:"archiveLocation"`
+			CacheKey        string `json:"cacheKey"`
+		}{}
+		require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+		assert.Equal(t, "hit", got.Result)
+		assert.Equal(t, strings.ToLower(key), got.CacheKey)
+		archiveLocation = got.ArchiveLocation
+	}
+	{
+		resp, err := http.Get(archiveLocation) //nolint:gosec
+		require.NoError(t, err)
+		require.Equal(t, 200, resp.StatusCode)
+		got, err := io.ReadAll(resp.Body)
+		require.NoError(t, err)
+		assert.Equal(t, content, got)
+	}
+}
--- a/pkg/artifactcache/model.go
+++ b/pkg/artifactcache/model.go
@@ -0,0 +1,38 @@
+package artifactcache
+
+import (
+	"crypto/sha256"
+	"fmt"
+)
+
+type Request struct {
+	Key     string `json:"key" `
+	Version string `json:"version"`
+	Size    int64  `json:"cacheSize"`
+}
+
+func (c *Request) ToCache() *Cache {
+	if c == nil {
+		return nil
+	}
+	return &Cache{
+		Key:     c.Key,
+		Version: c.Version,
+		Size:    c.Size,
+	}
+}
+
+type Cache struct {
+	ID             uint64 `json:"id" boltholdKey:"ID"`
+	Key            string `json:"key" boltholdIndex:"Key"`
+	Version        string `json:"version" boltholdIndex:"Version"`
+	KeyVersionHash string `json:"keyVersionHash" boltholdUnique:"KeyVersionHash"`
+	Size           int64  `json:"cacheSize"`
+	Complete       bool   `json:"complete"`
+	UsedAt         int64  `json:"usedAt" boltholdIndex:"UsedAt"`
+	CreatedAt      int64  `json:"createdAt" boltholdIndex:"CreatedAt"`
+}
+
+func (c *Cache) FillKeyVersionHash() {
+	c.KeyVersionHash = fmt.Sprintf("%x", sha256.Sum256([]byte(fmt.Sprintf("%s:%s", c.Key, c.Version))))
+}
--- a/pkg/artifactcache/storage.go
+++ b/pkg/artifactcache/storage.go
@@ -0,0 +1,126 @@
+package artifactcache
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+type Storage struct {
+	rootDir string
+}
+
+func NewStorage(rootDir string) (*Storage, error) {
+	if err := os.MkdirAll(rootDir, 0o755); err != nil {
+		return nil, err
+	}
+	return &Storage{
+		rootDir: rootDir,
+	}, nil
+}
+
+func (s *Storage) Exist(id uint64) (bool, error) {
+	name := s.filename(id)
+	if _, err := os.Stat(name); os.IsNotExist(err) {
+		return false, nil
+	} else if err != nil {
+		return false, err
+	}
+	return true, nil
+}
+
+func (s *Storage) Write(id uint64, offset int64, reader io.Reader) error {
+	name := s.tempName(id, offset)
+	if err := os.MkdirAll(filepath.Dir(name), 0o755); err != nil {
+		return err
+	}
+	file, err := os.Create(name)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	_, err = io.Copy(file, reader)
+	return err
+}
+
+func (s *Storage) Commit(id uint64, size int64) error {
+	defer func() {
+		_ = os.RemoveAll(s.tempDir(id))
+	}()
+
+	name := s.filename(id)
+	tempNames, err := s.tempNames(id)
+	if err != nil {
+		return err
+	}
+
+	if err := os.MkdirAll(filepath.Dir(name), 0o755); err != nil {
+		return err
+	}
+	file, err := os.Create(name)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	var written int64
+	for _, v := range tempNames {
+		f, err := os.Open(v)
+		if err != nil {
+			return err
+		}
+		n, err := io.Copy(file, f)
+		_ = f.Close()
+		if err != nil {
+			return err
+		}
+		written += n
+	}
+
+	if written != size {
+		_ = file.Close()
+		_ = os.Remove(name)
+		return fmt.Errorf("broken file: %v != %v", written, size)
+	}
+	return nil
+}
+
+func (s *Storage) Serve(w http.ResponseWriter, r *http.Request, id uint64) {
+	name := s.filename(id)
+	http.ServeFile(w, r, name)
+}
+
+func (s *Storage) Remove(id uint64) {
+	_ = os.Remove(s.filename(id))
+	_ = os.RemoveAll(s.tempDir(id))
+}
+
+func (s *Storage) filename(id uint64) string {
+	return filepath.Join(s.rootDir, fmt.Sprintf("%02x", id%0xff), fmt.Sprint(id))
+}
+
+func (s *Storage) tempDir(id uint64) string {
+	return filepath.Join(s.rootDir, "tmp", fmt.Sprint(id))
+}
+
+func (s *Storage) tempName(id uint64, offset int64) string {
+	return filepath.Join(s.tempDir(id), fmt.Sprintf("%016x", offset))
+}
+
+func (s *Storage) tempNames(id uint64) ([]string, error) {
+	dir := s.tempDir(id)
+	files, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, err
+	}
+	var names []string
+	for _, v := range files {
+		if !v.IsDir() {
+			names = append(names, filepath.Join(dir, v.Name()))
+		}
+	}
+	return names, nil
+}
--- a/pkg/artifactcache/testdata/example/example.yaml
+++ b/pkg/artifactcache/testdata/example/example.yaml
@@ -0,0 +1,30 @@
+# Copied from https://github.com/actions/cache#example-cache-workflow
+name: Caching Primes
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - run: env
+
+      - uses: actions/checkout@v3
+
+      - name: Cache Primes
+        id: cache-primes
+        uses: actions/cache@v3
+        with:
+          path: prime-numbers
+          key: ${{ runner.os }}-primes-${{ github.run_id }}
+          restore-keys: |
+            ${{ runner.os }}-primes
+            ${{ runner.os }}
+
+      - name: Generate Prime Numbers
+        if: steps.cache-primes.outputs.cache-hit != 'true'
+        run: cat /proc/sys/kernel/random/uuid > prime-numbers
+
+      - name: Use Prime Numbers
+        run: cat prime-numbers
--- a/pkg/common/outbound_ip.go
+++ b/pkg/common/outbound_ip.go
@@ -2,20 +2,74 @@ package common

 import (
 	"net"
-
-	log "github.com/sirupsen/logrus"
+	"sort"
+	"strings"
 )

-// https://stackoverflow.com/a/37382208
-// Get preferred outbound ip of this machine
+// GetOutboundIP returns an outbound IP address of this machine.
+// It tries to access the internet and returns the local IP address of the connection.
+// If the machine cannot access the internet, it returns a preferred IP address from network interfaces.
+// It returns nil if no IP address is found.
 func GetOutboundIP() net.IP {
+	// See https://stackoverflow.com/a/37382208
 	conn, err := net.Dial("udp", "8.8.8.8:80")
-	if err != nil {
-		log.Fatal(err)
+	if err == nil {
+		defer conn.Close()
+		return conn.LocalAddr().(*net.UDPAddr).IP
 	}
-	defer conn.Close()

-	localAddr := conn.LocalAddr().(*net.UDPAddr)
+	// So the machine cannot access the internet. Pick an IP address from network interfaces.
+	if ifs, err := net.Interfaces(); err == nil {
+		type IP struct {
+			net.IP
+			net.Interface
+		}
+		var ips []IP
+		for _, i := range ifs {
+			if addrs, err := i.Addrs(); err == nil {
+				for _, addr := range addrs {
+					var ip net.IP
+					switch v := addr.(type) {
+					case *net.IPNet:
+						ip = v.IP
+					case *net.IPAddr:
+						ip = v.IP
+					}
+					if ip.IsGlobalUnicast() {
+						ips = append(ips, IP{ip, i})
+					}
+				}
+			}
+		}
+		if len(ips) > 1 {
+			sort.Slice(ips, func(i, j int) bool {
+				ifi := ips[i].Interface
+				ifj := ips[j].Interface

-	return localAddr.IP
+				// ethernet is preferred
+				if vi, vj := strings.HasPrefix(ifi.Name, "e"), strings.HasPrefix(ifj.Name, "e"); vi != vj {
+					return vi
+				}
+
+				ipi := ips[i].IP
+				ipj := ips[j].IP
+
+				// IPv4 is preferred
+				if vi, vj := ipi.To4() != nil, ipj.To4() != nil; vi != vj {
+					return vi
+				}
+
+				// en0 is preferred to en1
+				if ifi.Name != ifj.Name {
+					return ifi.Name < ifj.Name
+				}
+
+				// fallback
+				return ipi.String() < ipj.String()
+			})
+			return ips[0].IP
+		}
+	}
+
+	return nil
 }
--- a/pkg/container/docker_run.go
+++ b/pkg/container/docker_run.go
@@ -210,9 +210,6 @@ type containerReference struct {
 }

 func GetDockerClient(ctx context.Context) (cli client.APIClient, err error) {
-	// TODO: this should maybe need to be a global option, not hidden in here?
-	//       though i'm not sure how that works out when there's another Executor :D
-	//		 I really would like something that works on OSX native for eg
 	dockerHost := os.Getenv("DOCKER_HOST")

 	if strings.HasPrefix(dockerHost, "ssh://") {
@@ -369,6 +366,12 @@ func (cr *containerReference) mergeContainerConfigs(ctx context.Context, config
 		return nil, nil, fmt.Errorf("Cannot parse container options: '%s': '%w'", input.Options, err)
 	}

+	if len(copts.netMode.Value()) == 0 {
+		if err = copts.netMode.Set("host"); err != nil {
+			return nil, nil, fmt.Errorf("Cannot parse networkmode=host. This is an internal error and should not happen: '%w'", err)
+		}
+	}
+
 	containerConfig, err := parse(flags, copts, "")
 	if err != nil {
 		return nil, nil, fmt.Errorf("Cannot process container options: '%s': '%w'", input.Options, err)
--- a/pkg/container/executions_environment.go
+++ b/pkg/container/executions_environment.go
@@ -10,4 +10,6 @@ type ExecutionsEnvironment interface {
 	DefaultPathVariable() string
 	JoinPathVariable(...string) string
 	GetRunnerContext(ctx context.Context) map[string]interface{}
+	// On windows PATH and Path are the same key
+	IsEnvironmentCaseInsensitive() bool
 }
--- a/pkg/container/host_environment.go
+++ b/pkg/container/host_environment.go
@@ -425,3 +425,7 @@ func (e *HostEnvironment) ReplaceLogWriter(stdout io.Writer, stderr io.Writer) (
 	e.StdOut = stdout
 	return org, org
 }
+
+func (*HostEnvironment) IsEnvironmentCaseInsensitive() bool {
+	return runtime.GOOS == "windows"
+}
--- a/pkg/container/linux_container_environment_extensions.go
+++ b/pkg/container/linux_container_environment_extensions.go
@@ -71,3 +71,7 @@ func (*LinuxContainerEnvironmentExtensions) GetRunnerContext(ctx context.Context
 		"tool_cache": "/opt/hostedtoolcache",
 	}
 }
+
+func (*LinuxContainerEnvironmentExtensions) IsEnvironmentCaseInsensitive() bool {
+	return false
+}
--- a/pkg/model/github_context.go
+++ b/pkg/model/github_context.go
@@ -36,6 +36,9 @@ type GithubContext struct {
 	RetentionDays    string                 `json:"retention_days"`
 	RunnerPerflog    string                 `json:"runner_perflog"`
 	RunnerTrackingID string                 `json:"runner_tracking_id"`
+	ServerURL        string                 `json:"server_url"`
+	APIURL           string                 `json:"api_url"`
+	GraphQLURL       string                 `json:"graphql_url"`
 }

 func asString(v interface{}) string {
--- a/pkg/model/workflow.go
+++ b/pkg/model/workflow.go
@@ -58,9 +58,8 @@ func (w *Workflow) On() []string {
 func (w *Workflow) OnEvent(event string) interface{} {
 	if w.RawOn.Kind == yaml.MappingNode {
 		var val map[string]interface{}
-		err := w.RawOn.Decode(&val)
-		if err != nil {
-			log.Fatal(err)
+		if !decodeNode(w.RawOn, &val) {
+			return nil
 		}
 		return val[event]
 	}
@@ -109,16 +108,14 @@ func (w *Workflow) WorkflowDispatchConfig() *WorkflowDispatch {
 	}

 	var val map[string]yaml.Node
-	err := w.RawOn.Decode(&val)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(w.RawOn, &val) {
+		return nil
 	}

 	var config WorkflowDispatch
 	node := val["workflow_dispatch"]
-	err = node.Decode(&config)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(node, &config) {
+		return nil
 	}

 	return &config
@@ -147,20 +144,19 @@ type WorkflowCallResult struct {

 func (w *Workflow) WorkflowCallConfig() *WorkflowCall {
 	if w.RawOn.Kind != yaml.MappingNode {
-		return nil
+		// The callers expect for "on: workflow_call" and "on: [ workflow_call ]" a non nil return value
+		return &WorkflowCall{}
 	}

 	var val map[string]yaml.Node
-	err := w.RawOn.Decode(&val)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(w.RawOn, &val) {
+		return &WorkflowCall{}
 	}

 	var config WorkflowCall
 	node := val["workflow_call"]
-	err = node.Decode(&config)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(node, &config) {
+		return &WorkflowCall{}
 	}

 	return &config
@@ -243,9 +239,8 @@ func (j *Job) InheritSecrets() bool {
 	}

 	var val string
-	err := j.RawSecrets.Decode(&val)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(j.RawSecrets, &val) {
+		return false
 	}

 	return val == "inherit"
@@ -257,9 +252,8 @@ func (j *Job) Secrets() map[string]string {
 	}

 	var val map[string]string
-	err := j.RawSecrets.Decode(&val)
-	if err != nil {
-		log.Fatal(err)
+	if !decodeNode(j.RawSecrets, &val) {
+		return nil
 	}

 	return val
--- a/pkg/runner/action.go
+++ b/pkg/runner/action.go
@@ -335,13 +335,13 @@ func evalDockerArgs(ctx context.Context, step step, action *model.Action, cmd *[
 			inputs[k] = eval.Interpolate(ctx, v)
 		}
 	}
-	mergeIntoMap(step.getEnv(), inputs)
+	mergeIntoMap(step, step.getEnv(), inputs)

 	stepEE := rc.NewStepExpressionEvaluator(ctx, step)
 	for i, v := range *cmd {
 		(*cmd)[i] = stepEE.Interpolate(ctx, v)
 	}
-	mergeIntoMap(step.getEnv(), action.Runs.Env)
+	mergeIntoMap(step, step.getEnv(), action.Runs.Env)

 	ee := rc.NewStepExpressionEvaluator(ctx, step)
 	for k, v := range *step.getEnv() {
--- a/pkg/runner/action_composite.go
+++ b/pkg/runner/action_composite.go
@@ -105,13 +105,15 @@ func execAsComposite(step actionStep) common.Executor {
 		rc.Masks = append(rc.Masks, compositeRC.Masks...)
 		rc.ExtraPath = compositeRC.ExtraPath
 		// compositeRC.Env is dirty, contains INPUT_ and merged step env, only rely on compositeRC.GlobalEnv
-		for k, v := range compositeRC.GlobalEnv {
-			rc.Env[k] = v
-			if rc.GlobalEnv == nil {
-				rc.GlobalEnv = map[string]string{}
-			}
-			rc.GlobalEnv[k] = v
+		mergeIntoMap := mergeIntoMapCaseSensitive
+		if rc.JobContainer.IsEnvironmentCaseInsensitive() {
+			mergeIntoMap = mergeIntoMapCaseInsensitive
 		}
+		if rc.GlobalEnv == nil {
+			rc.GlobalEnv = map[string]string{}
+		}
+		mergeIntoMap(rc.GlobalEnv, compositeRC.GlobalEnv)
+		mergeIntoMap(rc.Env, compositeRC.GlobalEnv)

 		return err
 	}
--- a/pkg/runner/command.go
+++ b/pkg/runner/command.go
@@ -88,12 +88,18 @@ func (rc *RunContext) setEnv(ctx context.Context, kvPairs map[string]string, arg
 	if rc.Env == nil {
 		rc.Env = make(map[string]string)
 	}
-	rc.Env[name] = arg
-	// for composite action GITHUB_ENV and set-env passing
 	if rc.GlobalEnv == nil {
 		rc.GlobalEnv = map[string]string{}
 	}
-	rc.GlobalEnv[name] = arg
+	newenv := map[string]string{
+		name: arg,
+	}
+	mergeIntoMap := mergeIntoMapCaseSensitive
+	if rc.JobContainer != nil && rc.JobContainer.IsEnvironmentCaseInsensitive() {
+		mergeIntoMap = mergeIntoMapCaseInsensitive
+	}
+	mergeIntoMap(rc.Env, newenv)
+	mergeIntoMap(rc.GlobalEnv, newenv)
 }
 func (rc *RunContext) setOutput(ctx context.Context, kvPairs map[string]string, arg string) {
 	logger := common.Logger(ctx)
--- a/pkg/runner/run_context.go
+++ b/pkg/runner/run_context.go
@@ -19,9 +19,7 @@ import (
 	"time"

 	"github.com/docker/docker/errdefs"
-	"github.com/mitchellh/go-homedir"
 	"github.com/opencontainers/selinux/go-selinux"
-	log "github.com/sirupsen/logrus"

 	"github.com/nektos/act/pkg/common"
 	"github.com/nektos/act/pkg/container"
@@ -92,6 +90,24 @@ func (rc *RunContext) jobContainerName() string {
 	return createSimpleContainerName(rc.Config.ContainerNamePrefix, "WORKFLOW-"+rc.Run.Workflow.Name, "JOB-"+rc.Name)
 }

+func getDockerDaemonSocketMountPath(daemonPath string) string {
+	if protoIndex := strings.Index(daemonPath, "://"); protoIndex != -1 {
+		scheme := daemonPath[:protoIndex]
+		if strings.EqualFold(scheme, "npipe") {
+			// linux container mount on windows, use the default socket path of the VM / wsl2
+			return "/var/run/docker.sock"
+		} else if strings.EqualFold(scheme, "unix") {
+			return daemonPath[protoIndex+3:]
+		} else if strings.IndexFunc(scheme, func(r rune) bool {
+			return (r < 'a' || r > 'z') && (r < 'A' || r > 'Z')
+		}) == -1 {
+			// unknown protocol use default
+			return "/var/run/docker.sock"
+		}
+	}
+	return daemonPath
+}
+
 // Returns the binds and mounts for the container, resolving paths as appopriate
 func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
 	name := rc.jobContainerName()
@@ -100,8 +116,10 @@ func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
 		rc.Config.ContainerDaemonSocket = "/var/run/docker.sock"
 	}

-	binds := []string{
-		fmt.Sprintf("%s:%s", rc.Config.ContainerDaemonSocket, "/var/run/docker.sock"),
+	binds := []string{}
+	if rc.Config.ContainerDaemonSocket != "-" {
+		daemonPath := getDockerDaemonSocketMountPath(rc.Config.ContainerDaemonSocket)
+		binds = append(binds, fmt.Sprintf("%s:%s", daemonPath, "/var/run/docker.sock"))
 	}

 	ext := container.LinuxContainerEnvironmentExtensions{}
@@ -377,6 +395,15 @@ func (rc *RunContext) execJobContainer(cmd []string, env map[string]string, user
 func (rc *RunContext) ApplyExtraPath(ctx context.Context, env *map[string]string) {
 	if rc.ExtraPath != nil && len(rc.ExtraPath) > 0 {
 		path := rc.JobContainer.GetPathVariableName()
+		if rc.JobContainer.IsEnvironmentCaseInsensitive() {
+			// On windows system Path and PATH could also be in the map
+			for k := range *env {
+				if strings.EqualFold(path, k) {
+					path = k
+					break
+				}
+			}
+		}
 		if (*env)[path] == "" {
 			cenv := map[string]string{}
 			var cpath string
@@ -471,10 +498,11 @@ func (rc *RunContext) ActionCacheDir() string {
 	var xdgCache string
 	var ok bool
 	if xdgCache, ok = os.LookupEnv("XDG_CACHE_HOME"); !ok || xdgCache == "" {
-		if home, err := homedir.Dir(); err == nil {
+		if home, err := os.UserHomeDir(); err == nil {
 			xdgCache = filepath.Join(home, ".cache")
 		} else if xdgCache, err = filepath.Abs("."); err != nil {
-			log.Fatal(err)
+			// It's almost impossible to get here, so the temp dir is a good fallback
+			xdgCache = os.TempDir()
 		}
 	}
 	return filepath.Join(xdgCache, "act")
@@ -796,6 +824,27 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext

 	ghc.SetRefTypeAndName()

+	// defaults
+	ghc.ServerURL = "https://github.com"
+	ghc.APIURL = "https://api.github.com"
+	ghc.GraphQLURL = "https://api.github.com/graphql"
+	// per GHES
+	if rc.Config.GitHubInstance != "github.com" {
+		ghc.ServerURL = fmt.Sprintf("https://%s", rc.Config.GitHubInstance)
+		ghc.APIURL = fmt.Sprintf("https://%s/api/v3", rc.Config.GitHubInstance)
+		ghc.GraphQLURL = fmt.Sprintf("https://%s/api/graphql", rc.Config.GitHubInstance)
+	}
+	// allow to be overridden by user
+	if rc.Config.Env["GITHUB_SERVER_URL"] != "" {
+		ghc.ServerURL = rc.Config.Env["GITHUB_SERVER_URL"]
+	}
+	if rc.Config.Env["GITHUB_API_URL"] != "" {
+		ghc.APIURL = rc.Config.Env["GITHUB_API_URL"]
+	}
+	if rc.Config.Env["GITHUB_GRAPHQL_URL"] != "" {
+		ghc.GraphQLURL = rc.Config.Env["GITHUB_GRAPHQL_URL"]
+	}
+
 	return ghc
 }

@@ -869,16 +918,9 @@ func (rc *RunContext) withGithubEnv(ctx context.Context, github *model.GithubCon
 	env["RUNNER_TRACKING_ID"] = github.RunnerTrackingID
 	env["GITHUB_BASE_REF"] = github.BaseRef
 	env["GITHUB_HEAD_REF"] = github.HeadRef
-
-	defaultServerURL := "https://github.com"
-	defaultAPIURL := "https://api.github.com"
-	defaultGraphqlURL := "https://api.github.com/graphql"
-
-	if rc.Config.GitHubInstance != "github.com" {
-		defaultServerURL = fmt.Sprintf("https://%s", rc.Config.GitHubInstance)
-		defaultAPIURL = fmt.Sprintf("https://%s/api/v3", rc.Config.GitHubInstance)
-		defaultGraphqlURL = fmt.Sprintf("https://%s/api/graphql", rc.Config.GitHubInstance)
-	}
+	env["GITHUB_SERVER_URL"] = github.ServerURL
+	env["GITHUB_API_URL"] = github.APIURL
+	env["GITHUB_GRAPHQL_URL"] = github.GraphQLURL

 	{ // Adapt to Gitea
 		instance := rc.Config.GitHubInstance
@@ -886,21 +928,9 @@ func (rc *RunContext) withGithubEnv(ctx context.Context, github *model.GithubCon
 			!strings.HasPrefix(instance, "https://") {
 			instance = "https://" + instance
 		}
-		defaultServerURL = instance
-		defaultAPIURL = instance + "/api/v1" // the version of Gitea is v1
-		defaultGraphqlURL = ""               // Gitea doesn't support graphql
-	}
-
-	if env["GITHUB_SERVER_URL"] == "" {
-		env["GITHUB_SERVER_URL"] = defaultServerURL
-	}
-
-	if env["GITHUB_API_URL"] == "" {
-		env["GITHUB_API_URL"] = defaultAPIURL
-	}
-
-	if env["GITHUB_GRAPHQL_URL"] == "" {
-		env["GITHUB_GRAPHQL_URL"] = defaultGraphqlURL
+		env["GITHUB_SERVER_URL"] = instance
+		env["GITHUB_API_URL"] = instance + "/api/v1" // the version of Gitea is v1
+		env["GITHUB_GRAPHQL_URL"] = ""               // Gitea doesn't support graphql
 	}

 	if rc.Config.ArtifactServerPath != "" {
--- a/pkg/runner/runner.go
+++ b/pkg/runner/runner.go
@@ -5,13 +5,12 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"time"
+
+	log "github.com/sirupsen/logrus"

 	"github.com/nektos/act/pkg/common"
 	"github.com/nektos/act/pkg/container"
 	"github.com/nektos/act/pkg/model"
-
-	log "github.com/sirupsen/logrus"
 )

 // Runner provides capabilities to run GitHub actions
@@ -21,40 +20,41 @@ type Runner interface {

 // Config contains the config for a new runner
 type Config struct {
-	Actor                              string            // the user that triggered the event
-	Workdir                            string            // path to working directory
-	BindWorkdir                        bool              // bind the workdir to the job container
-	EventName                          string            // name of event to run
-	EventPath                          string            // path to JSON file to use for event.json in containers
-	DefaultBranch                      string            // name of the main branch for this repository
-	ReuseContainers                    bool              // reuse containers to maintain state
-	ForcePull                          bool              // force pulling of the image, even if already present
-	ForceRebuild                       bool              // force rebuilding local docker image action
-	LogOutput                          bool              // log the output from docker run
-	JSONLogger                         bool              // use json or text logger
-	Env                                map[string]string // env for containers
-	Inputs                             map[string]string // manually passed action inputs
-	Secrets                            map[string]string // list of secrets
-	Token                              string            // GitHub token
-	InsecureSecrets                    bool              // switch hiding output when printing to terminal
-	Platforms                          map[string]string // list of platforms
-	Privileged                         bool              // use privileged mode
-	UsernsMode                         string            // user namespace to use
-	ContainerArchitecture              string            // Desired OS/architecture platform for running containers
-	ContainerDaemonSocket              string            // Path to Docker daemon socket
-	ContainerOptions                   string            // Options for the job container
-	UseGitIgnore                       bool              // controls if paths in .gitignore should not be copied into container, default true
-	GitHubInstance                     string            // GitHub instance to use, default "github.com"
-	ContainerCapAdd                    []string          // list of kernel capabilities to add to the containers
-	ContainerCapDrop                   []string          // list of kernel capabilities to remove from the containers
-	AutoRemove                         bool              // controls if the container is automatically removed upon workflow completion
-	ArtifactServerPath                 string            // the path where the artifact server stores uploads
-	ArtifactServerAddr                 string            // the address the artifact server binds to
-	ArtifactServerPort                 string            // the port the artifact server binds to
-	NoSkipCheckout                     bool              // do not skip actions/checkout
-	RemoteName                         string            // remote name in local git repo config
-	ReplaceGheActionWithGithubCom      []string          // Use actions from GitHub Enterprise instance to GitHub
-	ReplaceGheActionTokenWithGithubCom string            // Token of private action repo on GitHub.
+	Actor                              string                     // the user that triggered the event
+	Workdir                            string                     // path to working directory
+	BindWorkdir                        bool                       // bind the workdir to the job container
+	EventName                          string                     // name of event to run
+	EventPath                          string                     // path to JSON file to use for event.json in containers
+	DefaultBranch                      string                     // name of the main branch for this repository
+	ReuseContainers                    bool                       // reuse containers to maintain state
+	ForcePull                          bool                       // force pulling of the image, even if already present
+	ForceRebuild                       bool                       // force rebuilding local docker image action
+	LogOutput                          bool                       // log the output from docker run
+	JSONLogger                         bool                       // use json or text logger
+	Env                                map[string]string          // env for containers
+	Inputs                             map[string]string          // manually passed action inputs
+	Secrets                            map[string]string          // list of secrets
+	Token                              string                     // GitHub token
+	InsecureSecrets                    bool                       // switch hiding output when printing to terminal
+	Platforms                          map[string]string          // list of platforms
+	Privileged                         bool                       // use privileged mode
+	UsernsMode                         string                     // user namespace to use
+	ContainerArchitecture              string                     // Desired OS/architecture platform for running containers
+	ContainerDaemonSocket              string                     // Path to Docker daemon socket
+	ContainerOptions                   string                     // Options for the job container
+	UseGitIgnore                       bool                       // controls if paths in .gitignore should not be copied into container, default true
+	GitHubInstance                     string                     // GitHub instance to use, default "github.com"
+	ContainerCapAdd                    []string                   // list of kernel capabilities to add to the containers
+	ContainerCapDrop                   []string                   // list of kernel capabilities to remove from the containers
+	AutoRemove                         bool                       // controls if the container is automatically removed upon workflow completion
+	ArtifactServerPath                 string                     // the path where the artifact server stores uploads
+	ArtifactServerAddr                 string                     // the address the artifact server binds to
+	ArtifactServerPort                 string                     // the port the artifact server binds to
+	NoSkipCheckout                     bool                       // do not skip actions/checkout
+	RemoteName                         string                     // remote name in local git repo config
+	ReplaceGheActionWithGithubCom      []string                   // Use actions from GitHub Enterprise instance to GitHub
+	ReplaceGheActionTokenWithGithubCom string                     // Token of private action repo on GitHub.
+	Matrix                             map[string]map[string]bool // Matrix config to run

 	PresetGitHubContext   *model.GithubContext         // the preset github context, overrides some fields like DefaultBranch, Env, Secrets etc.
 	EventJSON             string                       // the content of JSON file to use for event.json in containers, overrides EventPath
@@ -67,6 +67,7 @@ type Config struct {
 	Vars                  map[string]string            // the list of variables set at the repository, environment, or organization levels.
 }

+// GetToken: Adapt to Gitea
 func (c Config) GetToken() string {
 	token := c.Secrets["GITHUB_TOKEN"]
 	if c.Secrets["GITEA_TOKEN"] != "" {
@@ -137,11 +138,15 @@ func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
 						log.Errorf("Error while evaluating matrix: %v", err)
 					}
 				}
-				matrixes, err := job.GetMatrixes()
-				if err != nil {
+
+				var matrixes []map[string]interface{}
+				if m, err := job.GetMatrixes(); err != nil {
 					log.Errorf("Error while get job's matrix: %v", err)
-					// fall back to empty matrixes
+				} else {
+					matrixes = selectMatrixes(m, runner.config.Matrix)
 				}
+				log.Debugf("Final matrix after applying user inclusions '%v'", matrixes)
+
 				maxParallel := 4
 				if job.Strategy != nil {
 					maxParallel = job.Strategy.MaxParallel
@@ -196,6 +201,25 @@ func handleFailure(plan *model.Plan) common.Executor {
 	}
 }

+func selectMatrixes(originalMatrixes []map[string]interface{}, targetMatrixValues map[string]map[string]bool) []map[string]interface{} {
+	matrixes := make([]map[string]interface{}, 0)
+	for _, original := range originalMatrixes {
+		flag := true
+		for key, val := range original {
+			if allowedVals, ok := targetMatrixValues[key]; ok {
+				valToString := fmt.Sprintf("%v", val)
+				if _, ok := allowedVals[valToString]; !ok {
+					flag = false
+				}
+			}
+		}
+		if flag {
+			matrixes = append(matrixes, original)
+		}
+	}
+	return matrixes
+}
+
 func (runner *runnerImpl) newRunContext(ctx context.Context, run *model.Run, matrix map[string]interface{}) *RunContext {
 	rc := &RunContext{
 		Config:      runner.config,
--- a/pkg/runner/runner_test.go
+++ b/pkg/runner/runner_test.go
@@ -186,6 +186,7 @@ func (j *TestJobFileInfo) runTest(ctx context.Context, t *testing.T, cfg *Config
 		Inputs:                cfg.Inputs,
 		GitHubInstance:        "github.com",
 		ContainerArchitecture: cfg.ContainerArchitecture,
+		Matrix:                cfg.Matrix,
 	}

 	runner, err := New(runnerConfig)
@@ -293,7 +294,6 @@ func TestRunEvent(t *testing.T) {
 		{workdir, "workflow_dispatch-scalar-composite-action", "workflow_dispatch", "", platforms, secrets},
 		{workdir, "job-needs-context-contains-result", "push", "", platforms, secrets},
 		{"../model/testdata", "strategy", "push", "", platforms, secrets}, // TODO: move all testdata into pkg so we can validate it with planner and runner
-		// {"testdata", "issue-228", "push", "", platforms, }, // TODO [igni]: Remove this once everything passes
 		{"../model/testdata", "container-volumes", "push", "", platforms, secrets},
 		{workdir, "path-handling", "push", "", platforms, secrets},
 		{workdir, "do-not-leak-step-env-in-composite", "push", "", platforms, secrets},
@@ -621,3 +621,30 @@ func TestRunEventPullRequest(t *testing.T) {

 	tjfi.runTest(context.Background(), t, &Config{EventPath: filepath.Join(workdir, workflowPath, "event.json")})
 }
+
+func TestRunMatrixWithUserDefinedInclusions(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping integration test")
+	}
+	workflowPath := "matrix-with-user-inclusions"
+
+	tjfi := TestJobFileInfo{
+		workdir:      workdir,
+		workflowPath: workflowPath,
+		eventName:    "push",
+		errorMessage: "",
+		platforms:    platforms,
+	}
+
+	matrix := map[string]map[string]bool{
+		"node": {
+			"8":   true,
+			"8.x": true,
+		},
+		"os": {
+			"ubuntu-18.04": true,
+		},
+	}
+
+	tjfi.runTest(context.Background(), t, &Config{Matrix: matrix})
+}
--- a/pkg/runner/step.go
+++ b/pkg/runner/step.go
@@ -187,7 +187,7 @@ func setupEnv(ctx context.Context, step step) error {

 	mergeEnv(ctx, step)
 	// merge step env last, since it should not be overwritten
-	mergeIntoMap(step.getEnv(), step.getStepModel().GetEnv())
+	mergeIntoMap(step, step.getEnv(), step.getStepModel().GetEnv())

 	exprEval := rc.NewExpressionEvaluator(ctx)
 	for k, v := range *step.getEnv() {
@@ -216,9 +216,9 @@ func mergeEnv(ctx context.Context, step step) {

 	c := job.Container()
 	if c != nil {
-		mergeIntoMap(env, rc.GetEnv(), c.Env)
+		mergeIntoMap(step, env, rc.GetEnv(), c.Env)
 	} else {
-		mergeIntoMap(env, rc.GetEnv())
+		mergeIntoMap(step, env, rc.GetEnv())
 	}

 	rc.withGithubEnv(ctx, step.getGithubContext(ctx), *env)
@@ -258,10 +258,38 @@ func isContinueOnError(ctx context.Context, expr string, step step, stage stepSt
 	return continueOnError, nil
 }

-func mergeIntoMap(target *map[string]string, maps ...map[string]string) {
+func mergeIntoMap(step step, target *map[string]string, maps ...map[string]string) {
+	if rc := step.getRunContext(); rc != nil && rc.JobContainer != nil && rc.JobContainer.IsEnvironmentCaseInsensitive() {
+		mergeIntoMapCaseInsensitive(*target, maps...)
+	} else {
+		mergeIntoMapCaseSensitive(*target, maps...)
+	}
+}
+
+func mergeIntoMapCaseSensitive(target map[string]string, maps ...map[string]string) {
 	for _, m := range maps {
 		for k, v := range m {
-			(*target)[k] = v
+			target[k] = v
+		}
+	}
+}
+
+func mergeIntoMapCaseInsensitive(target map[string]string, maps ...map[string]string) {
+	foldKeys := make(map[string]string, len(target))
+	for k := range target {
+		foldKeys[strings.ToLower(k)] = k
+	}
+	toKey := func(s string) string {
+		foldKey := strings.ToLower(s)
+		if k, ok := foldKeys[foldKey]; ok {
+			return k
+		}
+		foldKeys[strings.ToLower(foldKey)] = s
+		return s
+	}
+	for _, m := range maps {
+		for k, v := range m {
+			target[toKey(k)] = v
 		}
 	}
 }
--- a/pkg/runner/step_run.go
+++ b/pkg/runner/step_run.go
@@ -13,10 +13,11 @@ import (
 )

 type stepRun struct {
-	Step       *model.Step
-	RunContext *RunContext
-	cmd        []string
-	env        map[string]string
+	Step             *model.Step
+	RunContext       *RunContext
+	cmd              []string
+	env              map[string]string
+	WorkingDirectory string
 }

 func (sr *stepRun) pre() common.Executor {
@@ -27,12 +28,11 @@ func (sr *stepRun) pre() common.Executor {

 func (sr *stepRun) main() common.Executor {
 	sr.env = map[string]string{}
-
 	return runStepExecutor(sr, stepStageMain, common.NewPipelineExecutor(
 		sr.setupShellCommandExecutor(),
 		func(ctx context.Context) error {
 			sr.getRunContext().ApplyExtraPath(ctx, &sr.env)
-			return sr.getRunContext().JobContainer.Exec(sr.cmd, sr.env, "", sr.Step.WorkingDirectory)(ctx)
+			return sr.getRunContext().JobContainer.Exec(sr.cmd, sr.env, "", sr.WorkingDirectory)(ctx)
 		},
 	))
 }
@@ -167,16 +167,20 @@ func (sr *stepRun) setupShell(ctx context.Context) {
 func (sr *stepRun) setupWorkingDirectory(ctx context.Context) {
 	rc := sr.RunContext
 	step := sr.Step
+	workingdirectory := ""

 	if step.WorkingDirectory == "" {
-		step.WorkingDirectory = rc.Run.Job().Defaults.Run.WorkingDirectory
+		workingdirectory = rc.Run.Job().Defaults.Run.WorkingDirectory
+	} else {
+		workingdirectory = step.WorkingDirectory
 	}

 	// jobs can receive context values, so we interpolate
-	step.WorkingDirectory = rc.NewExpressionEvaluator(ctx).Interpolate(ctx, step.WorkingDirectory)
+	workingdirectory = rc.NewExpressionEvaluator(ctx).Interpolate(ctx, workingdirectory)

 	// but top level keys in workflow file like `defaults` or `env` can't
-	if step.WorkingDirectory == "" {
-		step.WorkingDirectory = rc.Run.Workflow.Defaults.Run.WorkingDirectory
+	if workingdirectory == "" {
+		workingdirectory = rc.Run.Workflow.Defaults.Run.WorkingDirectory
 	}
+	sr.WorkingDirectory = workingdirectory
 }
--- a/pkg/runner/step_test.go
+++ b/pkg/runner/step_test.go
@@ -63,7 +63,9 @@ func TestMergeIntoMap(t *testing.T) {

 	for _, tt := range table {
 		t.Run(tt.name, func(t *testing.T) {
-			mergeIntoMap(&tt.target, tt.maps...)
+			mergeIntoMapCaseSensitive(tt.target, tt.maps...)
+			assert.Equal(t, tt.expected, tt.target)
+			mergeIntoMapCaseInsensitive(tt.target, tt.maps...)
 			assert.Equal(t, tt.expected, tt.target)
 		})
 	}
--- a/pkg/runner/testdata/.github/workflows/local-reusable-workflow-no-inputs-array.yml
+++ b/pkg/runner/testdata/.github/workflows/local-reusable-workflow-no-inputs-array.yml
@@ -0,0 +1,10 @@
+name: reusable
+
+on:
+- workflow_call
+
+jobs:
+  reusable_workflow_job:
+    runs-on: ubuntu-latest
+    steps:
+    - run: echo Test
--- a/pkg/runner/testdata/.github/workflows/local-reusable-workflow-no-inputs-string.yml
+++ b/pkg/runner/testdata/.github/workflows/local-reusable-workflow-no-inputs-string.yml
@@ -0,0 +1,9 @@
+name: reusable
+
+on: workflow_call
+
+jobs:
+  reusable_workflow_job:
+    runs-on: ubuntu-latest
+    steps:
+    - run: echo Test
--- a/pkg/runner/testdata/issue-228/main.yaml
+++ b/pkg/runner/testdata/issue-228/main.yaml
@@ -1,14 +0,0 @@
-name: issue-228
-
-on:
-  - push
-
-jobs:
-  kind:
-    runs-on: ubuntu-latest
-    steps:
-      - run: apt-get update -y && apt-get install git -y # setup git credentials will fail otherwise
-      - name: Setup git credentials
-        uses: fusion-engineering/setup-git-credentials@v2
-        with:
-          credentials: https://test@github.com/
--- a/pkg/runner/testdata/matrix-with-user-inclusions/push.yml
+++ b/pkg/runner/testdata/matrix-with-user-inclusions/push.yml
@@ -0,0 +1,34 @@
+name: matrix-with-user-inclusions
+on: push
+
+jobs:
+  build:
+    name: PHP ${{ matrix.os }} ${{ matrix.node}}
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          echo ${NODE_VERSION} | grep 8
+          echo ${OS_VERSION} | grep ubuntu-18.04
+        env:
+          NODE_VERSION: ${{ matrix.node }}
+          OS_VERSION: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-18.04, macos-latest]
+        node: [4, 6, 8, 10]
+        exclude:
+          - os: macos-latest
+            node: 4
+        include:
+          - os: ubuntu-16.04
+            node: 10
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [8.x, 10.x, 12.x, 13.x]
+    steps:
+      - run: echo ${NODE_VERSION} | grep 8.x
+        env:
+          NODE_VERSION: ${{ matrix.node }}
--- a/pkg/runner/testdata/uses-workflow/local-workflow.yml
+++ b/pkg/runner/testdata/uses-workflow/local-workflow.yml
@@ -19,6 +19,12 @@ jobs:
      number_required: 1
    secrets: inherit

+  reusable-workflow-with-on-string-notation:
+    uses: ./.github/workflows/local-reusable-workflow-no-inputs-string.yml
+
+  reusable-workflow-with-on-array-notation:
+    uses: ./.github/workflows/local-reusable-workflow-no-inputs-array.yml
+
  output-test:
    runs-on: ubuntu-latest
    needs:
--- a/pkg/runner/testdata/windows-add-env/action.yml
+++ b/pkg/runner/testdata/windows-add-env/action.yml
@@ -0,0 +1,7 @@
+runs:
+  using: composite
+  steps:
+  - run: |
+      echo $env:GITHUB_ENV
+      echo "kEy=n/a" > $env:GITHUB_ENV
+    shell: pwsh
--- a/pkg/runner/testdata/windows-add-env/push.yml
+++ b/pkg/runner/testdata/windows-add-env/push.yml
@@ -25,3 +25,20 @@ jobs:
          echo "Unexpected value for `$env:key2: $env:key2"
          exit 1
        }
+    - run: |
+        echo $env:GITHUB_ENV
+        echo "KEY=test" > $env:GITHUB_ENV
+        echo "Key=expected" > $env:GITHUB_ENV
+    - name: Assert GITHUB_ENV is merged case insensitive
+      run: exit 1
+      if: env.KEY != 'expected' || env.Key != 'expected' || env.key != 'expected'
+    - name: Assert step env is merged case insensitive
+      run: exit 1
+      if: env.KEY != 'n/a' || env.Key != 'n/a' || env.key != 'n/a'
+      env:
+        KeY: 'n/a'
+    - uses: actions/checkout@v3
+    - uses: ./windows-add-env
+    - name: Assert composite env is merged case insensitive
+      run: exit 1
+      if: env.KEY != 'n/a' || env.Key != 'n/a' || env.key != 'n/a'
--- a/pkg/runner/testdata/windows-prepend-path/push.yml
+++ b/pkg/runner/testdata/windows-prepend-path/push.yml
@@ -11,6 +11,9 @@ jobs:
        mkdir build
        echo '@echo off' > build/test.cmd
        echo 'echo Hi' >> build/test.cmd
+        mkdir build2
+        echo '@echo off' > build2/test2.cmd
+        echo 'echo test2' >> build2/test2.cmd
    - run: |
        echo '${{ tojson(runner) }}'
        ls
@@ -23,3 +26,9 @@ jobs:
    - run: |
        echo $env:PATH
        test
+    - run: |
+        echo "PATH=$env:PATH;${{ github.workspace }}\build2" > $env:GITHUB_ENV
+    - run: |
+        echo $env:PATH
+        test
+        test2
--- a/pkg/runner/testdata/workdir/push.yml
+++ b/pkg/runner/testdata/workdir/push.yml
@@ -22,3 +22,13 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - run: '[[ "$(pwd)" == "/tmp" ]]'
+
+  workdir-from-matrix:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 1
+      matrix:
+        work_dir: ["/tmp", "/root"]
+    steps:
+      - run: '[[ "$(pwd)" == "${{ matrix.work_dir }}" ]]'
+        working-directory: ${{ matrix.work_dir }}