Avoid using log.Fatal in pkg/* (#1705)

* fix: common

* fix: in runner

* fix: decodeNode

* fix: GetMatrixes

* Revert "fix: common"

This reverts commit 6599803b6ae3b7adc168ef41b4afd4d89fc22f34.

* fix: GetOutboundIP

* test: fix cases

---------

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/runner/run_context.go

@@ -18,7 +18,6 @@ import (
 	"strings"
 
 	"github.com/opencontainers/selinux/go-selinux"
-	log "github.com/sirupsen/logrus"
 
 	"github.com/nektos/act/pkg/common"
 	"github.com/nektos/act/pkg/container"
@@ -361,7 +360,8 @@ func (rc *RunContext) ActionCacheDir() string {
 		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")

pkg/runner/runner.go

@@ -118,7 +118,12 @@ func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
 					}
 				}
 
-				matrixes := selectMatrixes(job.GetMatrixes(), runner.config.Matrix)
+				var matrixes []map[string]interface{}
+				if m, err := job.GetMatrixes(); err != nil {
+					log.Errorf("Error while get job's matrix: %v", err)
+				} else {
+					matrixes = selectMatrixes(m, runner.config.Matrix)
+				}
 				log.Debugf("Final matrix after applying user inclusions '%v'", matrixes)
 
 				maxParallel := 4