Surface .env load errors (#6707)

We drop errors loading from loading `.env` in the past.
This is hard to debug and can cause confusion, so we change it with this.

.cspell.json

@@ -80,6 +80,7 @@
     "gocritic",
     "GODEBUG",
     "godoc",
+    "godotenv",
     "Gogs",
     "golangci",
     "gomod",

cmd/agent/core/run.go

@@ -19,8 +19,6 @@ import (
 	"os"
 	"slices"
 
-	// Load config from .env file.
-	_ "github.com/joho/godotenv/autoload"
 	"github.com/rs/zerolog/log"
 	"github.com/urfave/cli/v3"
 

cmd/agent/main.go

@@ -16,7 +16,10 @@ package main
 
 import (
 	"context"
+	"fmt"
+	"os"
 
+	"github.com/joho/godotenv"
 	"github.com/rs/zerolog/log"
 
 	"go.woodpecker-ci.org/woodpecker/v3/cmd/agent/core"
@@ -34,6 +37,11 @@ var backends = []backend_types.Backend{
 }
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error could not load .env: %s", err)
+		os.Exit(1)
+	}
+
 	ctx := utils.WithContextSigtermCallback(context.Background(), func() {
 		log.Info().Msg("termination signal is received, shutting down agent")
 	})

cmd/agent/man.go

@@ -18,7 +18,9 @@ package main
 
 import (
 	"fmt"
+	"os"
 
+	"github.com/joho/godotenv"
 	docs "github.com/urfave/cli-docs/v3"
 
 	"go.woodpecker-ci.org/woodpecker/v3/cmd/agent/core"
@@ -35,6 +37,11 @@ var backends = []backend_types.Backend{
 }
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error could not load .env: %s", err)
+		os.Exit(1)
+	}
+
 	app := core.GenApp(backends)
 	md, err := docs.ToMan(app)
 	if err != nil {

cmd/cli/main.go

@@ -16,15 +16,21 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"os"
 
-	_ "github.com/joho/godotenv/autoload"
+	"github.com/joho/godotenv"
 	"github.com/rs/zerolog/log"
 
 	"go.woodpecker-ci.org/woodpecker/v3/shared/utils"
 )
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error could not load .env: %s", err)
+		os.Exit(1)
+	}
+
 	ctx := utils.WithContextSigtermCallback(context.Background(), func() {
 		log.Info().Msg("termination signal is received, terminate cli")
 	})

cmd/server/main.go

@@ -18,9 +18,10 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"os"
 
-	_ "github.com/joho/godotenv/autoload"
+	"github.com/joho/godotenv"
 	"github.com/rs/zerolog/log"
 
 	_ "go.woodpecker-ci.org/woodpecker/v3/cmd/server/openapi"
@@ -28,6 +29,11 @@ import (
 )
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error could not load .env: %s", err)
+		os.Exit(1)
+	}
+
 	ctx := utils.WithContextSigtermCallback(context.Background(), func() {
 		log.Info().Msg("termination signal is received, shutting down server")
 	})

cmd/server/man.go

@@ -18,14 +18,20 @@ package main
 
 import (
 	"fmt"
+	"os"
 
-	_ "github.com/joho/godotenv/autoload"
+	"github.com/joho/godotenv"
 	docs "github.com/urfave/cli-docs/v3"
 
 	_ "go.woodpecker-ci.org/woodpecker/v3/cmd/server/openapi"
 )
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error could not load .env: %s", err)
+		os.Exit(1)
+	}
+
 	app := genApp()
 	md, err := docs.ToMan(app)
 	if err != nil {