docs: Add example for running script on macOS update

twpayne · Oct 11, 2024 · 5b1dbb5 · 5b1dbb5
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diff --git a/assets/chezmoi.io/docs/user-guide/machines/macos.md b/assets/chezmoi.io/docs/user-guide/machines/macos.md
@@ -34,3 +34,12 @@ machine is connected to. For a stable result, use the `scutil` command:
 ```
 {{ $computerName := output "scutil" "--get" "ComputerName" | trim }}
 ```
+
+## Run script after every macOS update
+
+You can automate a script to run after each macOS update by creating
+a `run_onchange_` script and using the `output` template function to run `sw_vers`:
+
+```
+# MacOS build version: {{ output "sw_vers" "--buildVersion" }}
+```