Refactoring more

internal/context.go

@@ -1,6 +1,9 @@
 package internal
 
-import "os"
+import (
+	"errors"
+	"os"
+)
 
 // IsDebugMode returns if we should treat the current runtime context and all actions as debug mode.
 // Debug mode is effectively wrapping all filesystem actions in the "espresso_debug" directory.
@@ -11,3 +14,12 @@ func IsDebugMode() bool {
 	}
 	return val == "1"
 }
+
+// GetJavaHome gets the value of the JAVA_HOME
+func GetJavaHome() (*string, error) {
+	path, present := os.LookupEnv("JAVA_HOME")
+	if !present {
+		return nil, errors.New("java_home is not set")
+	}
+	return &path, nil
+}