Add timing info for each tool and total duration

main.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"sync"
+	"time"
 )
 
 //go:embed tools.json
@@ -57,6 +58,8 @@ func main() {
 	sem := make(chan struct{}, *parallel)
 	results := make(chan result, len(tf.Tools))
 
+	startTime := time.Now()
+
 	for _, t := range tf.Tools {
 		wg.Add(1)
 		go func(tool Tool) {
@@ -68,11 +71,12 @@ func main() {
 				fmt.Printf("Installing %s@%s...\n", tool.Name, tool.Version)
 			}
 
+			toolStart := time.Now()
 			pkg := fmt.Sprintf("%s@%s", tool.Package, tool.Version)
 			cmd := exec.Command("go", "install", pkg)
 			cmd.Env = os.Environ()
 			output, err := cmd.CombinedOutput()
-			results <- result{tool: tool, err: err, output: string(output)}
+			results <- result{tool: tool, err: err, output: string(output), duration: time.Since(toolStart)}
 		}(t)
 	}
 
@@ -84,25 +88,34 @@ func main() {
 	var succeeded, failed int
 	for r := range results {
 		if r.err != nil {
-			fmt.Printf("✗ %s@%s: %v\n", r.tool.Name, r.tool.Version, r.err)
+			fmt.Printf("✗ %s@%s: %v (%s)\n", r.tool.Name, r.tool.Version, r.err, formatDuration(r.duration))
 			if *verbose && r.output != "" {
 				fmt.Printf("  %s\n", r.output)
 			}
 			failed++
 		} else {
-			fmt.Printf("✓ %s@%s\n", r.tool.Name, r.tool.Version)
+			fmt.Printf("✓ %s@%s (%s)\n", r.tool.Name, r.tool.Version, formatDuration(r.duration))
 			succeeded++
 		}
 	}
 
-	fmt.Printf("\nDone: %d succeeded, %d failed\n", succeeded, failed)
+	totalDuration := time.Since(startTime)
+	fmt.Printf("\nDone: %d succeeded, %d failed in %s\n", succeeded, failed, formatDuration(totalDuration))
 	if failed > 0 {
 		os.Exit(1)
 	}
 }
 
 type result struct {
-	tool   Tool
-	err    error
-	output string
+	tool     Tool
+	err      error
+	output   string
+	duration time.Duration
+}
+
+func formatDuration(d time.Duration) string {
+	if d < time.Second {
+		return fmt.Sprintf("%dms", d.Milliseconds())
+	}
+	return fmt.Sprintf("%.1fs", d.Seconds())
 }