cli/command/container: RunStats: rename buffer var for brevity

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cli/command/container/stats.go

@@ -287,16 +287,16 @@ func RunStats(ctx context.Context, dockerCLI command.Cli, options *StatsOptions)
 		}
 	}
 
-	// Buffer to store formatted stats text.
-	// Once formatted, it will be printed in one write to avoid screen flickering.
-	var statsTextBuffer bytes.Buffer
+	// renderBuf holds the formatted stats output produced by statsFormatWrite.
+	// It does not include any terminal control sequences.
+	var renderBuf bytes.Buffer
 
 	// frameBuf holds the final terminal frame, including cursor movement and
 	// line-clearing escape sequences, written in a single pass to avoid flicker.
 	var frameBuf bytes.Buffer
 
 	statsCtx := formatter.Context{
-		Output: &statsTextBuffer,
+		Output: &renderBuf,
 		Format: NewStatsFormat(format, daemonOSType),
 	}
 
@@ -312,7 +312,7 @@ func RunStats(ctx context.Context, dockerCLI command.Cli, options *StatsOptions)
 		if err := statsFormatWrite(statsCtx, ccStats, daemonOSType, !options.NoTrunc); err != nil {
 			return err
 		}
-		_, _ = fmt.Fprint(dockerCLI.Out(), statsTextBuffer.String())
+		_, _ = fmt.Fprint(dockerCLI.Out(), renderBuf.String())
 		return nil
 	}
 
@@ -321,7 +321,7 @@ func RunStats(ctx context.Context, dockerCLI command.Cli, options *StatsOptions)
 	for {
 		select {
 		case <-ticker.C:
-			statsTextBuffer.Reset()
+			renderBuf.Reset()
 			frameBuf.Reset()
 			statsList := cStats.snapshot()
 			if len(statsList) == 0 && !showAll {
@@ -341,7 +341,7 @@ func RunStats(ctx context.Context, dockerCLI command.Cli, options *StatsOptions)
 			// Start by moving the cursor to the top-left
 			_, _ = fmt.Fprint(&frameBuf, "\033[H")
 
-			for line := range strings.SplitSeq(statsTextBuffer.String(), "\n") {
+			for line := range strings.SplitSeq(renderBuf.String(), "\n") {
 				// In case the new text is shorter than the one we are writing over,
 				// we'll append the "erase line" escape sequence to clear the remaining text.
 				_, _ = fmt.Fprintln(&frameBuf, line, "\033[K")