diff --git a/debian.go b/debian.go
index 15b7213..03a8629 100644
--- a/debian.go
+++ b/debian.go
@@ -1,12 +1,9 @@
 package main
 
 import (
-	"time"
-
 	"github.com/rs/zerolog/log"
 
 	"code.dumpstack.io/tools/out-of-tree/distro/debian"
-	"code.dumpstack.io/tools/out-of-tree/distro/debian/snapshot"
 )
 
 type DebianCmd struct {
@@ -26,52 +23,14 @@ func (cmd *DebianCacheCmd) Run() (err error) {
 	}
 	defer c.Close()
 
-	versions, err := snapshot.SourcePackageVersions("linux")
+	log.Info().Msg("Fetching kernels...")
+
+	_, err = debian.GetKernels(c, cmd.Refetch)
 	if err != nil {
-		log.Error().Err(err).Msg("get source package versions")
+		log.Error().Err(err).Msg("")
 		return
 	}
 
-	for i, version := range versions {
-		slog := log.With().Str("version", version).Logger()
-		slog.Info().Msgf("%03d/%03d", i, len(versions))
-
-		var dk debian.DebianKernel
-
-		dk, err = c.Get(version)
-		if err == nil && !dk.Internal.Invalid {
-			slog.Info().Msgf("found in cache")
-			continue
-		}
-
-		if dk.Internal.Invalid {
-			refetch := dk.Internal.LastFetch.AddDate(0, 0, cmd.Refetch)
-			if refetch.After(time.Now()) {
-				slog.Info().Msgf("refetch at %v", refetch)
-				continue
-			}
-		}
-
-		dk, err = debian.GetDebianKernel(version)
-		if err != nil {
-			if err == debian.ErrNoBinaryPackages {
-				slog.Warn().Err(err).Msg("")
-			} else {
-				slog.Error().Err(err).Msg("get debian kernel")
-			}
-
-			dk.Internal.Invalid = true
-			dk.Internal.LastFetch = time.Now()
-		}
-
-		err = c.Put(dk)
-		if err != nil {
-			slog.Error().Err(err).Msg("put to cache")
-			return
-		}
-
-		slog.Info().Msgf("%s cached", version)
-	}
-
+	log.Info().Msg("Success")
 	return
 }
diff --git a/distro/debian/kernel.go b/distro/debian/kernel.go
index a25360a..e083339 100644
--- a/distro/debian/kernel.go
+++ b/distro/debian/kernel.go
@@ -6,6 +6,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/rs/zerolog/log"
+
 	"code.dumpstack.io/tools/out-of-tree/distro/debian/snapshot"
 )
 
@@ -100,3 +102,55 @@ func GetDebianKernel(version string) (dk DebianKernel, err error) {
 
 	return
 }
+
+func GetKernels(c *Cache, refetchDays int) (kernels []DebianKernel, err error) {
+	versions, err := snapshot.SourcePackageVersions("linux")
+	if err != nil {
+		log.Error().Err(err).Msg("get source package versions")
+		return
+	}
+
+	for i, version := range versions {
+		slog := log.With().Str("version", version).Logger()
+		slog.Debug().Msgf("%03d/%03d", i, len(versions))
+
+		var dk DebianKernel
+
+		dk, err = c.Get(version)
+		if err == nil && !dk.Internal.Invalid {
+			slog.Debug().Msgf("found in cache")
+			kernels = append(kernels, dk)
+			continue
+		}
+
+		if dk.Internal.Invalid {
+			refetch := dk.Internal.LastFetch.AddDate(0, 0, refetchDays)
+			if refetch.After(time.Now()) {
+				slog.Debug().Msgf("refetch at %v", refetchDays)
+				continue
+			}
+		}
+
+		dk, err = GetDebianKernel(version)
+		if err != nil {
+			if err == ErrNoBinaryPackages {
+				slog.Warn().Err(err).Msg("")
+			} else {
+				slog.Error().Err(err).Msg("get debian kernel")
+			}
+
+			dk.Internal.Invalid = true
+			dk.Internal.LastFetch = time.Now()
+		}
+
+		err = c.Put(dk)
+		if err != nil {
+			slog.Error().Err(err).Msg("put to cache")
+			return
+		}
+
+		slog.Debug().Msgf("%s cached", version)
+	}
+
+	return
+}