Merge pull request #861 from umairimtiaz9/fix/gemini-cli-backend-project-id

fix(auth): use backend project ID for free tier Gemini CLI OAuth users
This commit is contained in:
Luis Pater
2026-01-20 10:32:17 +08:00
committed by GitHub
2 changed files with 56 additions and 3 deletions

View File

@@ -118,6 +118,7 @@ func DoLogin(cfg *config.Config, projectID string, options *LoginOptions) {
}
activatedProjects := make([]string, 0, len(projectSelections))
seenProjects := make(map[string]bool)
for _, candidateID := range projectSelections {
log.Infof("Activating project %s", candidateID)
if errSetup := performGeminiCLISetup(ctx, httpClient, storage, candidateID); errSetup != nil {
@@ -134,6 +135,13 @@ func DoLogin(cfg *config.Config, projectID string, options *LoginOptions) {
if finalID == "" {
finalID = candidateID
}
// Skip duplicates
if seenProjects[finalID] {
log.Infof("Project %s already activated, skipping", finalID)
continue
}
seenProjects[finalID] = true
activatedProjects = append(activatedProjects, finalID)
}
@@ -261,9 +269,41 @@ func performGeminiCLISetup(ctx context.Context, httpClient *http.Client, storage
finalProjectID := projectID
if responseProjectID != "" {
if explicitProject && !strings.EqualFold(responseProjectID, projectID) {
log.Warnf("Gemini onboarding returned project %s instead of requested %s; keeping requested project ID.", responseProjectID, projectID)
// Check if this is a free user (gen-lang-client projects or free/legacy tier)
isFreeUser := strings.HasPrefix(projectID, "gen-lang-client-") ||
strings.EqualFold(tierID, "FREE") ||
strings.EqualFold(tierID, "LEGACY")
if isFreeUser {
// Interactive prompt for free users
fmt.Printf("\n⚠ Google returned a different project ID:\n")
fmt.Printf(" Requested (frontend): %s\n", projectID)
fmt.Printf(" Returned (backend): %s\n\n", responseProjectID)
fmt.Printf(" Backend project IDs have access to preview models (gemini-3-*).\n")
fmt.Printf(" This is normal for free tier users.\n\n")
fmt.Printf("Which project ID would you like to use?\n")
fmt.Printf(" [1] Backend (recommended): %s\n", responseProjectID)
fmt.Printf(" [2] Frontend: %s\n\n", projectID)
fmt.Printf("Enter choice [1]: ")
reader := bufio.NewReader(os.Stdin)
choice, _ := reader.ReadString('\n')
choice = strings.TrimSpace(choice)
if choice == "2" {
log.Infof("Using frontend project ID: %s", projectID)
fmt.Println("⚠️ Warning: Frontend project IDs may not have access to preview models.")
finalProjectID = projectID
} else {
log.Infof("Using backend project ID: %s (recommended)", responseProjectID)
finalProjectID = responseProjectID
}
} else {
// Pro users: keep requested project ID (original behavior)
log.Warnf("Gemini onboarding returned project %s instead of requested %s; keeping requested project ID.", responseProjectID, projectID)
}
} else {
finalProjectID = responseProjectID
finalProjectID = responseProjectID
}
}