Centralize runtime config setup

internal/app/runtime.go

@@ -0,0 +1,44 @@
+package app
+
+import "gitea.maximumdirect.net/eric/distributor/internal/config"
+
+type runtimeSetup struct {
+	ConfigPath  string
+	Config      config.Config
+	Environment config.Environment
+	Warnings    []OutputWarning
+}
+
+func loadRuntimeSetup(configPath string) (runtimeSetup, error) {
+	resolvedPath := runtimeConfigPath(configPath)
+	cfg, err := config.LoadFile(resolvedPath)
+	if err != nil {
+		return runtimeSetup{}, err
+	}
+	return runtimeSetupFromConfig(resolvedPath, cfg)
+}
+
+func runtimeSetupFromConfig(configPath string, cfg config.Config) (runtimeSetup, error) {
+	secretLoad, err := config.LoadSecretEnvironment(cfg.Secrets.Directory, nil)
+	if err != nil {
+		return runtimeSetup{}, err
+	}
+	return runtimeSetup{
+		ConfigPath:  configPath,
+		Config:      cfg,
+		Environment: secretLoad.Environment,
+		Warnings:    secretConflictWarnings(secretLoad.Conflicts),
+	}, nil
+}
+
+func runtimeConfigPath(configPath string) string {
+	if configPath == "" {
+		return config.DefaultConfigPath
+	}
+	return configPath
+}
+
+func (setup runtimeSetup) withPipelines(pipelines []config.Pipeline) runtimeSetup {
+	setup.Config.Pipelines = pipelines
+	return setup
+}