cow-dedupe: Use sd_notify as appropriate

1 files changed, 30 insertions, 0 deletions

diff --git a/go/src/lib/statusline/daemonstatus.go b/go/src/lib/statusline/daemonstatus.go
new file mode 100644
index 0000000..49599a7
--- /dev/null
+++ b/go/src/lib/statusline/daemonstatus.go
@@ -0,0 +1,30 @@
+package statusline
+
+import (
+	"git.lukeshu.com/go/libsystemd/sd_daemon"
+)
+
+type daemonStatus struct {
+	pid int
+}
+
+func DaemonStatus(pid int) StatusLine {
+	return &daemonStatus{pid: pid}
+}
+
+func (sl *daemonStatus) Put(line string) {
+	sd_daemon.Notification{
+		PID:   sl.pid,
+		State: "STATUS=" + line,
+	}.Send(false)
+}
+
+func (sl *daemonStatus) End(keep bool) {
+	if keep {
+		return
+	}
+	sd_daemon.Notification{
+		PID:   sl.pid,
+		State: "STATUS=",
+	}.Send(false)
+}