Set up reflex for make watch

pkg/assets/assets.go

@@ -3,6 +3,7 @@ package assets
 import (
 	"net/http"
 	"os"
+	"path"
 
 	"github.com/owncloud/ocis-accounts/pkg/config"
 	"github.com/owncloud/ocis-pkg/v2/log"
@@ -18,6 +19,29 @@ type assets struct {
 
 // Open just implements the HTTP filesystem interface.
 func (a assets) Open(original string) (http.File, error) {
+	if a.config.Asset.Path != "" {
+		if stat, err := os.Stat(a.config.Asset.Path); err == nil && stat.IsDir() {
+			custom := path.Join(
+				a.config.Asset.Path,
+				original,
+			)
+
+			if _, err := os.Stat(custom); !os.IsNotExist(err) {
+				f, err := os.Open(custom)
+
+				if err != nil {
+					return nil, err
+				}
+
+				return f, nil
+			}
+		} else {
+			a.logger.Warn().
+				Str("path", a.config.Asset.Path).
+				Msg("Assets directory doesn't exist")
+		}
+	}
+
 	return FS.OpenFile(
 		CTX,
 		original,

pkg/config/config.go

@@ -43,6 +43,11 @@ type Server struct {
 	AccountsDataPath string
 }
 
+// Asset defines the available asset configuration.
+type Asset struct {
+	Path string
+}
+
 // Log defines the available logging configuration.
 type Log struct {
 	Level  string
@@ -56,6 +61,7 @@ type Config struct {
 	HTTP   HTTP
 	GRPC   GRPC
 	Server Server
+	Asset  Asset
 	Log    Log
 }
 

pkg/flagset/flagset.go

@@ -84,5 +84,12 @@ func ServerWithConfig(cfg *config.Config) []cli.Flag {
 			EnvVars:     []string{"ACCOUNTS_DATA_PATH"},
 			Destination: &cfg.Server.AccountsDataPath,
 		},
+		&cli.StringFlag{
+			Name:        "asset-path",
+			Value:       "",
+			Usage:       "Path to custom assets",
+			EnvVars:     []string{"HELLO_ASSET_PATH"},
+			Destination: &cfg.Asset.Path,
+		},
 	}
 }