Add skip_run so build only works on windows

README.md

@@ -250,11 +250,9 @@ Should use `\` to escape the `' in the bin. related issue: [#305](https://github
 
 ### Question: how to do hot compile only and do not run anything? 
 
-[#365](https://github.com/cosmtrek/air/issues/365)
-
 ```toml
 [build]
-  cmd = "/usr/bin/true"
+  skip_run = true
 ```
 
 ## Development

air_example.toml

@@ -52,6 +52,8 @@ rerun = false
 rerun_delay = 500
 # Add additional arguments when running binary (bin/full_bin). Will run './tmp/main hello world'.
 args_bin = ["hello", "world"]
+# Skips the run step so it's only builds
+skip_run = false
 
 [log]
 # Show log time

runner/config.go

@@ -57,6 +57,7 @@ type cfgBuild struct {
 	KillDelay        time.Duration `toml:"kill_delay"`
 	Rerun            bool          `toml:"rerun"`
 	RerunDelay       int           `toml:"rerun_delay"`
+	SkipRun          bool          `toml:"skip_run"`
 	regexCompiled    []*regexp.Regexp
 }
 

runner/engine.go

@@ -402,8 +402,12 @@ func (e *Engine) buildRun() {
 		return
 	default:
 	}
-	if err = e.runBin(); err != nil {
-		e.runnerLog("failed to run, error: %s", err.Error())
+	if e.config.Build.SkipRun {
+		e.runnerLog("skipping run step")
+	} else {
+		if err = e.runBin(); err != nil {
+			e.runnerLog("failed to run, error: %s", err.Error())
+		}
 	}
 }