Make forced hard links overwrite target if it has the same name as source

Or something like that... Maybe...

instruction.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path"
 	"regexp"
 	"strconv"
 	"strings"
@@ -110,6 +111,22 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
 				return
 			}
 
+			if instruction.Hard {
+				info, err := os.Stat(instruction.Target)
+				if err != nil {
+					status <- fmt.Errorf("could not stat %s%s%s, stopping; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
+					return
+				}
+				if info.Mode().IsRegular() && info.Name() == path.Base(instruction.Source) {
+					log.Printf("Overwriting existing file %s%s%s", TargetColor, instruction.Target, DefaultColor)
+					err := os.Remove(instruction.Target)
+					if err != nil {
+						status <- fmt.Errorf("could not remove existing file %s%s%s; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
+						return
+					}
+				}
+			}
+
 			if isSymlink {
 				log.Printf("Removing symlink at %s%s%s", TargetColor, instruction.Target, DefaultColor)
 				err = os.Remove(instruction.Target)