From 474ed682bc3b85af050aaef69c79f0f09057772a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20Galv=C3=A3o=20Xavier?= <jonas.agx@gmail.com>
Date: Tue, 21 Dec 2021 23:18:49 -0800
Subject: [PATCH] add version to logs (#715)

---
 cmd/check_for_application_update.go |  1 +
 cmd/cmd.go                          | 38 +++++++++++++++++++++++++++--
 cmd/packages.go                     |  2 --
 cmd/power_user.go                   |  2 --
 4 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/cmd/check_for_application_update.go b/cmd/check_for_application_update.go
index 409d6beb0..c4f1bdab3 100644
--- a/cmd/check_for_application_update.go
+++ b/cmd/check_for_application_update.go
@@ -11,6 +11,7 @@ import (
 
 func checkForApplicationUpdate() {
 	if appConfig.CheckForAppUpdate {
+		log.Debugf("checking if new vesion of %s is available", internal.ApplicationName)
 		isAvailable, newVersion, err := version.IsUpdateAvailable()
 		if err != nil {
 			// this should never stop the application
diff --git a/cmd/cmd.go b/cmd/cmd.go
index acd446c26..6d71d6e87 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -1,17 +1,19 @@
 package cmd
 
 import (
+	"encoding/json"
 	"fmt"
 	"os"
-
-	"github.com/spf13/cobra"
+	"sort"
 
 	"github.com/anchore/stereoscope"
 	"github.com/anchore/syft/internal/config"
 	"github.com/anchore/syft/internal/log"
 	"github.com/anchore/syft/internal/logger"
+	"github.com/anchore/syft/internal/version"
 	"github.com/anchore/syft/syft"
 	"github.com/gookit/color"
+	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"github.com/wagoodman/go-partybus"
 )
@@ -28,6 +30,8 @@ func init() {
 		initAppConfig,
 		initLogging,
 		logAppConfig,
+		checkForApplicationUpdate,
+		logAppVersion,
 		initEventBus,
 	)
 }
@@ -110,3 +114,33 @@ func initEventBus() {
 	stereoscope.SetBus(eventBus)
 	syft.SetBus(eventBus)
 }
+
+func logAppVersion() {
+	versionInfo := version.FromBuild()
+	log.Infof("syft version: %s", versionInfo.Version)
+
+	var fields map[string]interface{}
+	bytes, err := json.Marshal(versionInfo)
+	if err != nil {
+		return
+	}
+	err = json.Unmarshal(bytes, &fields)
+	if err != nil {
+		return
+	}
+
+	keys := make([]string, 0, len(fields))
+	for k := range fields {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	for idx, field := range keys {
+		value := fields[field]
+		branch := "├──"
+		if idx == len(fields)-1 {
+			branch = "└──"
+		}
+		log.Debugf("  %s %s: %s", branch, field, value)
+	}
+}
diff --git a/cmd/packages.go b/cmd/packages.go
index 5835bec21..182daaef3 100644
--- a/cmd/packages.go
+++ b/cmd/packages.go
@@ -260,8 +260,6 @@ func packagesExecWorker(userInput string) <-chan error {
 			return
 		}
 
-		checkForApplicationUpdate()
-
 		src, cleanup, err := source.New(userInput, appConfig.Registry.ToOptions(), appConfig.Exclusions)
 		if err != nil {
 			errs <- fmt.Errorf("failed to determine image source: %w", err)
diff --git a/cmd/power_user.go b/cmd/power_user.go
index 1ef141a4b..572290361 100644
--- a/cmd/power_user.go
+++ b/cmd/power_user.go
@@ -111,8 +111,6 @@ func powerUserExecWorker(userInput string) <-chan error {
 			return
 		}
 
-		checkForApplicationUpdate()
-
 		src, cleanup, err := source.New(userInput, appConfig.Registry.ToOptions(), appConfig.Exclusions)
 		if err != nil {
 			errs <- err