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

cmd/daemon/daemon.go

@@ -4,17 +4,22 @@ import (
 	"log"
 	"time"
 
+	"github.com/Masterminds/semver"
 	"github.com/go-flucky/flucky/pkg/config"
 	"github.com/go-flucky/flucky/pkg/daemon"
 	"github.com/go-flucky/flucky/pkg/logger"
 	"github.com/spf13/cobra"
 )
 
-var cleanCacheInterval string
-var compression bool
-var configFile *string
-var round float64
-var temperatureUnit string
+var (
+	cleanCacheInterval string
+	compression        bool
+	configFile         *string
+	round              float64
+	temperatureUnit    string
+
+	version *semver.Version
+)
 
 var daemonCmd = &cobra.Command{
 	Use:   "daemon",
@@ -38,8 +43,10 @@ var daemonCmd = &cobra.Command{
 	},
 }
 
-func InitCmd(cmd *cobra.Command, cnfFile *string) {
+func InitCmd(cmd *cobra.Command, cnfFile *string, sverion *semver.Version) {
 	configFile = cnfFile
+	version = sversion
+
 	cmd.AddCommand(daemonCmd)
 	daemonCmd.Flags().BoolVar(&compression, "compression", true, "Compress measured values")
 	daemonCmd.Flags().StringVar(&cleanCacheInterval, "clean-cache-interval", "5m", "Minute intervall to clean cache and write measured values into logfile")