Add cron tasks to distillery

pkg/logging/log.go

@@ -5,10 +5,28 @@ import (
 	"fmt"
 	"io"
 	"strings"
+	"time"
 
+	"github.com/rs/zerolog"
 	"golang.org/x/term"
 )
 
+func Log[T any](operation func() T, name string, context context.Context) (res T) {
+	var took time.Duration
+
+	logger := zerolog.Ctx(context)
+	logger.Log().Msg(name)
+	defer func() {
+		logger.Log().Dur("took", took).Msg(name)
+	}()
+
+	start := time.Now()
+	res = operation()
+	took = time.Since(start)
+
+	return
+}
+
 // LogOperation logs a message that is displayed to the user, and then increases the log indent level.
 func LogOperation(operation func() error, progress io.Writer, ctx context.Context, format string, args ...interface{}) error {
 	logOperation(progress, ctx, getIndent(progress), format, args...)

pkg/timex/timex.go

@@ -6,6 +6,25 @@ import (
 	"time"
 )
 
+// NewTimer creates a new timer with undefined interval.
+// The timer is stopped.
+func NewTimer() *time.Timer {
+	timer := time.NewTimer(time.Second)
+	StopTimer(timer)
+	return timer
+}
+
+// StopTimer stops t and drains the C channel.
+func StopTimer(t *time.Timer) {
+	t.Stop()
+
+	// try to stop
+	select {
+	case <-t.C:
+	default:
+	}
+}
+
 // TickContext is like [time.Tick], but closes the returned channel once the context closes.
 // As such it can be recovered by the garbage collector; see [time.TickContext].
 //