cow-dedupe: Use sd_notify as appropriate

1 files changed, 14 insertions, 1 deletions

diff --git a/go/src/cow-dedupe/dedupe.go b/go/src/cow-dedupe/dedupe.go
index 84f03f8..4913f3d 100644
--- a/go/src/cow-dedupe/dedupe.go
+++ b/go/src/cow-dedupe/dedupe.go
@@ -28,7 +28,20 @@ func errhandle(err error) {
 }
 
 func myStatusLine() statusline.StatusLine {
-	return statusline.StopWatch(statusline.RateLimit(statusline.New(os.Stderr), time.Second/2), time.Second)
+	var outs []statusline.StatusLine
+	if C.isatty(2) != 0 {
+		outs = append(outs, statusline.StopWatch(statusline.RateLimit(statusline.New(os.Stderr), time.Second/2), time.Second))
+	}
+	if os.Getenv("NOTIFY_SOCKET") != "" {
+		outs = append(outs, statusline.RateLimit(statusline.DaemonStatus(0), time.Second/2))
+	}
+	if len(outs) == 0 {
+		outs = append(outs, statusline.New(os.Stderr))
+	}
+	if len(outs) == 1 {
+		return outs[0]
+	}
+	return statusline.Tee(outs...)
 }
 
 func getFiemaps(paths []string) map[string][]string {