fix(auto-cpufreq): skip when install script is not used (#1215)

src/steps/os/linux.rs

@@ -1116,6 +1116,12 @@ pub fn run_waydroid(ctx: &ExecutionContext) -> Result<()> {
 
 pub fn run_auto_cpufreq(ctx: &ExecutionContext) -> Result<()> {
     let auto_cpu_freq = require("auto-cpufreq")?;
+    if auto_cpu_freq != PathBuf::from("/usr/local/bin/auto-cpufreq") {
+        return Err(SkipStep(String::from(
+            "`auto-cpufreq` was not installed by the official installer, but presumably by a package manager.",
+        ))
+        .into());
+    }
 
     print_separator("auto-cpufreq");