🚧 Add cool-down command

chill/chill.go

@@ -0,0 +1,47 @@
+package chill
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"os"
+	"strconv"
+	"time"
+)
+
+var TempFile string = "/sys/class/thermal/thermal_zone2/temp"
+var MaxTemp int = 72500
+var Sleep = time.Second * 10
+var ErrChilledOut = errors.New("temperature dropped below threshold")
+
+func Chill(baseCtx context.Context) context.Context {
+	ctx, cancel := context.WithCancelCause(baseCtx)
+
+	go func() {
+		var by []byte
+		var err error
+		current := MaxTemp + 1
+
+		for current >= MaxTemp {
+			by, err = os.ReadFile(TempFile)
+			if err != nil {
+				cancel(err)
+				return
+			}
+
+			by = bytes.TrimSpace(by)
+			current, err = strconv.Atoi(string(by))
+			if err != nil {
+				cancel(err)
+				return
+			}
+			if current < MaxTemp {
+				break
+			}
+			time.Sleep(Sleep)
+		}
+		cancel(ErrChilledOut)
+	}()
+
+	return ctx
+}