Add timeout wait for sysroot (#278)

pkg/state/steps.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strconv"
 	"time"
 
 	cnst "github.com/kairos-io/immucore/internal/constants"
@@ -119,7 +120,18 @@ func (s *State) MountRootDagStep(g *herd.Graph) error {
 func (s *State) WaitForSysrootDagStep(g *herd.Graph) error {
 	return g.Add(cnst.OpWaitForSysroot,
 		herd.WithCallback(func(ctx context.Context) error {
-			cc := time.After(60 * time.Second)
+			var timeout = 60 * time.Second
+			timeoutArg := internalUtils.CleanupSlice(internalUtils.ReadCMDLineArg("rd.immucore.sysrootwait="))
+			if len(timeoutArg) > 0 {
+				atoi, err := strconv.Atoi(timeoutArg[0])
+				if err == nil && atoi > 0 {
+					timeout = time.Duration(atoi) * time.Second
+				}
+			}
+
+			internalUtils.Log.Debug().Str("timeout", timeout.String()).Msg("Waiting for sysroot")
+
+			cc := time.After(timeout)
 			for {
 				select {
 				default: