From fa86f5913cbcd89525d553a51447cf6a5c7a997f Mon Sep 17 00:00:00 2001
From: Ian Gulliver <github@flamingcow.io>
Date: Wed, 19 Aug 2026 22:27:46 -0700
Subject: [PATCH] Replace the service-account key file with application-default
 credentials

---
 internal/blob/blob.go    | 2 --
 internal/data/sheet.go   | 3 ---
 tools/createtabs/main.go | 2 --
 tools/dumptab/main.go    | 2 --
 tools/findsheet/main.go  | 2 --
 tools/probeblob/main.go  | 2 --
 tools/sheets/main.go     | 2 --
 tools/writetab/main.go   | 2 --
 8 files changed, 17 deletions(-)

diff --git a/internal/blob/blob.go b/internal/blob/blob.go
index 7be6c09..63eaa8c 100644
--- a/internal/blob/blob.go
+++ b/internal/blob/blob.go
@@ -24,7 +24,6 @@ import (
 
 	"google.golang.org/api/drive/v3"
 	"google.golang.org/api/option"
-	"heliosian/internal/data"
 )
 
 const (
@@ -54,7 +53,6 @@ type Store struct {
 
 func New() (*Store, error) {
 	service, err := drive.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(drive.DriveScope))
 	if err != nil {
 		return nil, err
diff --git a/internal/data/sheet.go b/internal/data/sheet.go
index 0186bb1..dc25032 100644
--- a/internal/data/sheet.go
+++ b/internal/data/sheet.go
@@ -9,8 +9,6 @@ import (
 	"google.golang.org/api/sheets/v4"
 )
 
-const KeyFile = "creds/service-account.json"
-
 type Sheet struct {
 	service      *sheets.Service
 	spreadsheets map[string]string
@@ -18,7 +16,6 @@ type Sheet struct {
 
 func NewSheet(spreadsheets map[string]string) (*Sheet, error) {
 	service, err := sheets.NewService(context.Background(),
-		option.WithCredentialsFile(KeyFile),
 		option.WithScopes(sheets.SpreadsheetsScope))
 	if err != nil {
 		return nil, err
diff --git a/tools/createtabs/main.go b/tools/createtabs/main.go
index 58db513..4844d8a 100644
--- a/tools/createtabs/main.go
+++ b/tools/createtabs/main.go
@@ -7,7 +7,6 @@ import (
 	"log"
 	"strings"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/option"
 	"google.golang.org/api/sheets/v4"
 )
@@ -45,7 +44,6 @@ func main() {
 		log.Fatal("[ERROR] -sheet <spreadsheet id> is required")
 	}
 	svc, err := sheets.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(sheets.SpreadsheetsScope))
 	if err != nil {
 		log.Fatalf("[ERROR] create sheets client: %v", err)
diff --git a/tools/dumptab/main.go b/tools/dumptab/main.go
index c53f776..a14ec45 100644
--- a/tools/dumptab/main.go
+++ b/tools/dumptab/main.go
@@ -10,7 +10,6 @@ import (
 	"os"
 	"strings"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/option"
 	"google.golang.org/api/sheets/v4"
 )
@@ -24,7 +23,6 @@ func main() {
 		log.Fatal("[ERROR] -sheet, -tab, and -out are required")
 	}
 	svc, err := sheets.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(sheets.SpreadsheetsReadonlyScope))
 	if err != nil {
 		log.Fatalf("[ERROR] create sheets client: %v", err)
diff --git a/tools/findsheet/main.go b/tools/findsheet/main.go
index a653823..a640237 100644
--- a/tools/findsheet/main.go
+++ b/tools/findsheet/main.go
@@ -6,14 +6,12 @@ import (
 	"fmt"
 	"log"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/drive/v3"
 	"google.golang.org/api/option"
 )
 
 func main() {
 	svc, err := drive.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(drive.DriveReadonlyScope))
 	if err != nil {
 		log.Fatalf("[ERROR] create drive client: %v", err)
diff --git a/tools/probeblob/main.go b/tools/probeblob/main.go
index 3f2480a..d6290b6 100644
--- a/tools/probeblob/main.go
+++ b/tools/probeblob/main.go
@@ -8,14 +8,12 @@ import (
 	"log"
 	"time"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/drive/v3"
 	"google.golang.org/api/option"
 )
 
 func main() {
 	svc, err := drive.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(drive.DriveScope))
 	if err != nil {
 		log.Fatalf("[ERROR] drive client: %v", err)
diff --git a/tools/sheets/main.go b/tools/sheets/main.go
index ea2400b..b74795c 100644
--- a/tools/sheets/main.go
+++ b/tools/sheets/main.go
@@ -8,7 +8,6 @@ import (
 	"log"
 	"strings"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/option"
 	"google.golang.org/api/sheets/v4"
 )
@@ -25,7 +24,6 @@ func main() {
 		log.Fatal("[ERROR] -sheet <spreadsheet id> is required")
 	}
 	svc, err := sheets.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(sheets.SpreadsheetsReadonlyScope))
 	if err != nil {
 		log.Fatalf("[ERROR] create sheets client: %v", err)
diff --git a/tools/writetab/main.go b/tools/writetab/main.go
index 3b26178..8021969 100644
--- a/tools/writetab/main.go
+++ b/tools/writetab/main.go
@@ -10,7 +10,6 @@ import (
 	"os"
 	"strings"
 
-	"heliosian/internal/data"
 	"google.golang.org/api/option"
 	"google.golang.org/api/sheets/v4"
 )
@@ -39,7 +38,6 @@ func main() {
 		log.Fatalf("[ERROR] %s has no data rows", *in)
 	}
 	svc, err := sheets.NewService(context.Background(),
-		option.WithCredentialsFile(data.KeyFile),
 		option.WithScopes(sheets.SpreadsheetsScope))
 	if err != nil {
 		log.Fatalf("[ERROR] create sheets client: %v", err)