even more verbose errors

cmd/cron.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"fmt"
+	"log"
 	"runtime"
 
 	"code.icod.de/dalu/gomanager/ent"
@@ -16,12 +17,19 @@ var cronCmd = &cobra.Command{
 	Use:   "cron",
 	Short: "this command is meant to be ran via cron",
 	RunE: func(cmd *cobra.Command, args []string) error {
+		log.Println("setting GOMAXPROCS=1")
 		runtime.GOMAXPROCS(1)
+		log.Println("opening database file")
 		client, err := ent.Open("sqlite3", fmt.Sprintf("file:%s?mode=rwc&cache=private&_fk=1", sqliteFilename))
 		if err != nil {
 			return fmt.Errorf("failed opening connection to sqlite: %v", err)
 		}
-		defer client.Close()
+		defer func(client *ent.Client) {
+			err := client.Close()
+			if err != nil {
+				log.Println("error closing client", err.Error())
+			}
+		}(client)
 		r := runner.NewRunner(client)
 		return r.Run()
 	},

runner/runner.go

@@ -24,14 +24,14 @@ func NewRunner(client *ent.Client) *Runner {
 func (r *Runner) Run() error {
 	ms, e := r.client.Project.Query().All(context.Background())
 	if e != nil {
-		return e
+		return fmt.Errorf("error querying projects: %s", e)
 	}
 	if len(ms) == 0 {
 		return nil
 	}
 	v, e := getCurrentGoVersion()
 	if e != nil {
-		return e
+		return fmt.Errorf("error getting current go version: %s", e)
 	}
 	for _, m := range ms {
 		fv, e := getVersionOfFile(fmt.Sprintf("%s/%s", m.RootPath, m.BinaryPath))