wip: using pflag and viper; remove go routine for exec file search

cmd/wingmate/wingmate_test.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"os"
+	"testing"
+)
+
+func TestEntry_configPathEnv(t *testing.T) {
+	_ = os.Setenv("WINGMATE_CONFIG_PATH", "/Volumes/Source/go/src/gitea.suyono.dev/suyono/wingmate/docker/bookworm/etc/wingmate")
+	defer func() {
+		_ = os.Unsetenv("WINGMATE_CONFIG_PATH")
+	}()
+	main()
+}
+
+func TestEntry_configPathPFlag(t *testing.T) {
+	os.Args = []string{"wingmate", "--config", "/Volumes/Source/go/src/gitea.suyono.dev/suyono/wingmate/docker/bookworm/etc/wingmate"}
+	main()
+}
+
+func TestEntry(t *testing.T) {
+	main()
+}