Only run "valet install" if valet was updated (#315)

src/config.rs

@@ -29,6 +29,7 @@ pub enum Step {
     Emacs,
     Gem,
     Node,
+    Composer,
     Sdkman,
     Remotes,
     Rustup,

src/main.rs

@@ -306,9 +306,12 @@ fn run() -> Result<()> {
 
     if config.should_run(Step::Node) {
         runner.execute("NPM", || node::run_npm_upgrade(&base_dirs, run_type))?;
-        runner.execute("composer", || generic::run_composer_update(&base_dirs, run_type))?;
         runner.execute("yarn", || node::yarn_global_update(run_type))?;
     }
+  
+    if config.should_run(Step::Composer) {
+        runner.execute("composer", || generic::run_composer_update(&base_dirs, run_type))?;
+    }
 
     #[cfg(not(any(
         target_os = "freebsd",

src/steps/generic.rs

@@ -187,10 +187,11 @@ pub fn run_composer_update(base_dirs: &BaseDirs, run_type: RunType) -> Result<()
 
     print_separator("Composer");
 
-    run_type.execute(&composer).args(&["global", "update"]).check_run()?;
-
-    if let Some(valet) = utils::which("valet") {
-        run_type.execute(&valet).arg("install").check_run()?;
+    let output = Command::new(&composer).args(&["global", "update"]).check_output()?;
+    if output.contains("valet") {
+        if let Some(valet) = utils::which("valet") {
+            run_type.execute(&valet).arg("install").check_run()?;
+        }
     }
 
     Ok(())