improve: reduce calls to check for update, do local jwt refresh check

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/fatih/semgroup v1.2.0
 	github.com/gitleaks/go-gitdiff v0.9.1
 	github.com/go-mysql-org/go-mysql v1.13.0
+	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/google/uuid v1.6.0
 	github.com/h2non/filetype v1.1.3
 	github.com/infisical/go-sdk v0.6.8

go.sum

@@ -226,6 +226,8 @@ github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
 github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
+github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/glog v1.2.0 h1:uCdmnmatrKCgMBlM4rMuJZWOkPDqdbZPnrMXDY4gI68=
 github.com/golang/glog v1.2.0/go.mod h1:6AhwSGph0fcJtXVM/PEHPqZlFeoLxhs7/t5UDAwmO+w=

packages/cmd/root.go

@@ -64,6 +64,7 @@ func RootCmdStdoutWriter() io.Writer {
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the RootCmd.
 func Execute() {
+	defer util.WaitForUpdateCheck()
 	err := RootCmd.Execute()
 	if err != nil {
 		os.Exit(1)

packages/util/check-for-update.go

@@ -5,41 +5,81 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/exec"
+	"path/filepath"
 	"runtime"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/fatih/color"
 	"github.com/rs/zerolog/log"
 )
 
-func CheckForUpdate() {
-	CheckForUpdateWithWriter(os.Stderr)
+var githubHTTPClient = &http.Client{Timeout: 8 * time.Second}
+
+var updateCheckWg sync.WaitGroup
+
+const updateCheckCacheTTL = 24 * time.Hour
+
+type UpdateCheckCache struct {
+	LastCheckTime             time.Time `json:"lastCheckTime"`
+	LatestVersion             string    `json:"latestVersion"`
+	LatestVersionPublishedAt  time.Time `json:"latestVersionPublishedAt"`
+	CurrentVersionPublishedAt time.Time `json:"currentVersionPublishedAt"`
+	IsUrgent                  bool      `json:"isUrgent"`
+	CurrentVersionAtCheck     string    `json:"currentVersionAtCheck"`
 }
 
 func CheckForUpdateWithWriter(w io.Writer) {
 	if checkEnv := os.Getenv("INFISICAL_DISABLE_UPDATE_CHECK"); checkEnv != "" {
 		return
 	}
-	latestVersion, _, isUrgent, err := getLatestTag("Infisical", "cli")
-	if err != nil {
-		log.Debug().Err(err)
-		// do nothing and continue
-		return
+
+	cache := readUpdateCheckCache()
+
+	displayCachedUpdateNotice(w, cache)
+
+	if !isCacheFresh(cache) {
+		updateCheckWg.Add(1)
+		go func() {
+			defer updateCheckWg.Done()
+			performUpdateCheckInBackground()
+		}()
 	}
+}
 
-	if latestVersion == CLI_VERSION {
-		return
+// WaitForUpdateCheck blocks until the background update check goroutine completes.
+// Call this before program exit to ensure the cache gets written.
+func WaitForUpdateCheck() {
+	updateCheckWg.Wait()
+}
+
+// isCacheFresh returns true if the cache is fresh enough to skip a network check.
+func isCacheFresh(cache *UpdateCheckCache) bool {
+	if cache == nil || cache.LatestVersion == "" || cache.CurrentVersionAtCheck != CLI_VERSION {
+		return false
 	}
+	if cache.IsUrgent {
+		return false
+	}
+	return time.Since(cache.LastCheckTime) < updateCheckCacheTTL
+}
 
-	// Only prompt if the user's current version is at least 48 hours old, unless urgent.
-	// This avoids nagging users who recently updated.
-	currentVersionPublishedAt, err := getReleasePublishedAt("Infisical", "cli", CLI_VERSION)
-	if err == nil && !isUrgent && time.Since(currentVersionPublishedAt).Hours() < 48 {
+// displayCachedUpdateNotice prints an update notification from cached data.
+func displayCachedUpdateNotice(w io.Writer, cache *UpdateCheckCache) {
+	if cache == nil || cache.LatestVersion == "" || cache.LatestVersion == CLI_VERSION {
+		return
+	}
+	// Don't show stale notifications after the user has upgraded.
+	if cache.CurrentVersionAtCheck != CLI_VERSION {
+		return
+	}
+	// Unless urgent, skip notification if the current version is less than 48h old.
+	if !cache.IsUrgent && !cache.CurrentVersionPublishedAt.IsZero() &&
+		time.Since(cache.CurrentVersionPublishedAt).Hours() < 48 {
 		return
 	}
 
@@ -51,19 +91,122 @@ func CheckForUpdateWithWriter(w io.Writer) {
 		yellow("A new release of infisical is available:"),
 		blue(CLI_VERSION),
 		black("->"),
-		blue(latestVersion),
+		blue(cache.LatestVersion),
 	)
 
 	fmt.Fprintln(w, msg)
 
 	updateInstructions := GetUpdateInstructions()
-
 	if updateInstructions != "" {
-		msg = fmt.Sprintf("\n%s\n", GetUpdateInstructions())
+		msg = fmt.Sprintf("\n%s\n", updateInstructions)
 		fmt.Fprintln(w, msg)
 	}
 }
 
+// performUpdateCheckInBackground fetches update info from GitHub and writes to cache.
+// It is designed to be called as a fire-and-forget goroutine.
+func performUpdateCheckInBackground() {
+	latestVersion, latestPublishedAt, isUrgent, err := getLatestTag("Infisical", "cli")
+	if err != nil {
+		log.Debug().Err(err).Msg("background update check: failed to get latest tag")
+		return
+	}
+
+	cache := &UpdateCheckCache{
+		LastCheckTime:            time.Now(),
+		LatestVersion:            latestVersion,
+		LatestVersionPublishedAt: latestPublishedAt,
+		IsUrgent:                 isUrgent,
+		CurrentVersionAtCheck:    CLI_VERSION,
+	}
+
+	// If versions differ, fetch the publish date for the current version (for 48h grace).
+	if latestVersion != CLI_VERSION {
+		currentPublishedAt, err := getReleasePublishedAt("Infisical", "cli", CLI_VERSION)
+		if err != nil {
+			log.Debug().Err(err).Msg("background update check: failed to get current version publish date")
+			// Non-fatal — we just won't have the 48h grace period data.
+		} else {
+			cache.CurrentVersionPublishedAt = currentPublishedAt
+		}
+	}
+
+	if err := writeUpdateCheckCache(cache); err != nil {
+		log.Debug().Err(err).Msg("background update check: failed to write cache")
+	}
+}
+
+// getUpdateCheckCachePath returns the path to ~/.infisical/update-check.json.
+func getUpdateCheckCachePath() (string, error) {
+	homeDir, err := GetHomeDir()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(homeDir, CONFIG_FOLDER_NAME, UPDATE_CHECK_CACHE_FILE_NAME), nil
+}
+
+// readUpdateCheckCache reads and unmarshals the cache file. Returns nil on any error (cache miss).
+func readUpdateCheckCache() *UpdateCheckCache {
+	path, err := getUpdateCheckCachePath()
+	if err != nil {
+		return nil
+	}
+
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil
+	}
+
+	var cache UpdateCheckCache
+	if err := json.Unmarshal(data, &cache); err != nil {
+		return nil
+	}
+
+	return &cache
+}
+
+// writeUpdateCheckCache atomically writes the cache file using a temp file + rename.
+func writeUpdateCheckCache(cache *UpdateCheckCache) error {
+	path, err := getUpdateCheckCachePath()
+	if err != nil {
+		return err
+	}
+
+	dir := filepath.Dir(path)
+	if err := os.MkdirAll(dir, 0700); err != nil {
+		return fmt.Errorf("failed to create cache directory: %w", err)
+	}
+
+	data, err := json.Marshal(cache)
+	if err != nil {
+		return fmt.Errorf("failed to marshal cache: %w", err)
+	}
+
+	tmpFile, err := os.CreateTemp(dir, "update-check-*.json.tmp")
+	if err != nil {
+		return fmt.Errorf("failed to create temp file: %w", err)
+	}
+	tmpPath := tmpFile.Name()
+
+	if _, err := tmpFile.Write(data); err != nil {
+		tmpFile.Close()
+		os.Remove(tmpPath)
+		return fmt.Errorf("failed to write temp file: %w", err)
+	}
+
+	if err := tmpFile.Close(); err != nil {
+		os.Remove(tmpPath)
+		return fmt.Errorf("failed to close temp file: %w", err)
+	}
+
+	if err := os.Rename(tmpPath, path); err != nil {
+		os.Remove(tmpPath)
+		return fmt.Errorf("failed to rename temp file: %w", err)
+	}
+
+	return nil
+}
+
 func DisplayAptInstallationChangeBanner(isSilent bool) {
 	DisplayAptInstallationChangeBannerWithWriter(isSilent, os.Stderr)
 }
@@ -89,7 +232,7 @@ func DisplayAptInstallationChangeBannerWithWriter(isSilent bool, w io.Writer) {
 
 func getLatestTag(repoOwner string, repoName string) (string, time.Time, bool, error) {
 	url := fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/latest", repoOwner, repoName)
-	resp, err := http.Get(url)
+	resp, err := githubHTTPClient.Get(url)
 	if err != nil {
 		return "", time.Time{}, false, err
 	}
@@ -132,7 +275,7 @@ func getLatestTag(repoOwner string, repoName string) (string, time.Time, bool, e
 func getReleasePublishedAt(repoOwner string, repoName string, version string) (time.Time, error) {
 	tag := "v" + version
 	url := fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/tags/%s", repoOwner, repoName, tag)
-	resp, err := http.Get(url)
+	resp, err := githubHTTPClient.Get(url)
 	if err != nil {
 		return time.Time{}, err
 	}
@@ -218,7 +361,7 @@ func IsRunningInDocker() bool {
 		return true
 	}
 
-	cgroup, err := ioutil.ReadFile("/proc/self/cgroup")
+	cgroup, err := os.ReadFile("/proc/self/cgroup")
 	if err != nil {
 		return false
 	}