fix(pkg/db): create or upgrade postgres schema based on semver

cmd/convert/convert.go

@@ -3,13 +3,18 @@ package convert
 import (
 	"log"
 
+	"github.com/Masterminds/semver"
 	"github.com/go-flucky/flucky/pkg/logfile"
 
 	"github.com/spf13/cobra"
 )
 
-var compression bool
-var configFile *string
+var (
+	compression bool
+	configFile  *string
+
+	version *semver.Version
+)
 
 var convertCmd = &cobra.Command{
 	Use:     "convert",
@@ -37,9 +42,10 @@ var convertCmd = &cobra.Command{
 }
 
 // Execute a
-func InitCmd(cmd *cobra.Command, cnfFile *string) {
+func InitCmd(cmd *cobra.Command, cnfFile *string, sversion *semver.Version) {
 	configFile = cnfFile
+	version = sversion
+
 	cmd.AddCommand(convertCmd)
 	convertCmd.Flags().BoolVar(&compression, "compression", true, "Compress measured values")
-
 }