nixpkgs/pkgs/applications/misc/iterm2/disable_updates.patch

--- iTerm2/sources/iTermPreferences.m   2016-06-23 16:55:28.000000000 +0200
+++ iTerm2/sources/iTermPreferences.m   2016-06-23 16:55:42.000000000 +0200
@@ -189,7 +189,7 @@
                   kPreferenceKeyInstantReplayMemoryMegabytes: @4,
                   kPreferenceKeySavePasteAndCommandHistory: @NO,
                   kPreferenceKeyAddBonjourHostsToProfiles: @NO,
-                  kPreferenceKeyCheckForUpdatesAutomatically: @YES,
+                  kPreferenceKeyCheckForUpdatesAutomatically: @NO,
                   kPreferenceKeyCheckForTestReleases: @NO,
                   kPreferenceKeyLoadPrefsFromCustomFolder: @NO,
                   kPreferenceKeyNeverRemindPrefsChangesLostForFileHaveSelection: @NO,