From 18a6e3149133b97af6bef72a23bcddcc4700f4ce Mon Sep 17 00:00:00 2001
From: tobinio <tobias.frischmann@proton.me>
Date: Sat, 25 Jul 2026 11:54:10 +0200
Subject: [PATCH] feat: add ManagedBy build flag to disable auto-updates

---
 internal/config/config.go |  2 +-
 internal/config/const.go  | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 internal/config/const.go

diff --git a/internal/config/config.go b/internal/config/config.go
index 4b2810c..81a18a6 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -112,7 +112,7 @@ func newConfigViper() (*viper.Viper, error) {
 	// Defaults
 	v.SetDefault("log_level", "info")
 	v.SetDefault("log_file", defaultLogPath)
-	v.SetDefault("disable_update_check", false)
+	v.SetDefault("disable_update_check", IsExternallyManaged())
 	v.SetDefault("disable_companion_mode", false)
 	v.SetDefault("companion_app_data_dirs", map[string]string{})
 	v.SetDefault("up.match_domains_dns", []string{})
diff --git a/internal/config/const.go b/internal/config/const.go
new file mode 100644
index 0000000..63a4122
--- /dev/null
+++ b/internal/config/const.go
@@ -0,0 +1,13 @@
+package config
+
+// ManagedBy identifies the package manager managing this binary (e.g., "nix", "brew", "apt").
+// Defaults to "none", indicating the CLI manages its own updates internally.
+//
+// This value can be overridden at build time using ldflags:
+//
+//	go build -ldflags "-X github.com/fosrl/cli/internal/config.ManagedBy=<manager>"
+var ManagedBy = "none"
+
+func IsExternallyManaged() bool {
+	return ManagedBy != "none"
+}