1 files changed, 42 insertions, 37 deletions
diff --git a/go/src/readline/readline.go b/go/src/readline/readline.go
index 2777cb4..c3994a1 100644
--- a/go/src/readline/readline.go
+++ b/go/src/readline/readline.go
@@ -15,13 +15,13 @@ package readline
 import "C"
 
 import (
-    "errors"
-    "unsafe"
-    "strings"
-    "io/ioutil"
-    "os"
-    "path/filepath"
-    "fmt"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"unsafe"
 )
 
 var HISTORY_FILE = ".mal-history"
@@ -29,42 +29,47 @@ var HISTORY_FILE = ".mal-history"
 var rl_history_loaded = false
 
 func Readline(prompt string) (string, error) {
-    history_path := filepath.Join(os.Getenv("HOME"), "/", HISTORY_FILE)
+	history_path := filepath.Join(os.Getenv("HOME"), "/", HISTORY_FILE)
 
-    if !rl_history_loaded {
-        rl_history_loaded = true
-        content, e := ioutil.ReadFile(history_path)
-        if e != nil { return "", e }
+	if !rl_history_loaded {
+		rl_history_loaded = true
+		content, e := ioutil.ReadFile(history_path)
+		if e != nil {
+			return "", e
+		}
 
-        for _, add_line := range strings.Split(string(content), "\n") {
-            if add_line == "" { continue }
-            c_add_line := C.CString(add_line)
-            C.add_history(c_add_line)
-            C.free(unsafe.Pointer(c_add_line))
-        }
-    }
+		for _, add_line := range strings.Split(string(content), "\n") {
+			if add_line == "" {
+				continue
+			}
+			c_add_line := C.CString(add_line)
+			C.add_history(c_add_line)
+			C.free(unsafe.Pointer(c_add_line))
+		}
+	}
 
+	c_prompt := C.CString(prompt)
+	defer C.free(unsafe.Pointer(c_prompt))
 
-    c_prompt := C.CString(prompt)
-    defer C.free(unsafe.Pointer(c_prompt))
+	c_line := C.readline(c_prompt)
+	defer C.free(unsafe.Pointer(c_line))
+	line := C.GoString(c_line)
 
-    c_line := C.readline(c_prompt)
-    defer C.free(unsafe.Pointer(c_line))
-    line := C.GoString(c_line)
+	if c_line == nil {
+		return "", errors.New("C.readline call failed")
+	}
+	C.add_history(c_line)
 
-    if c_line == nil {
-        return "", errors.New("C.readline call failed")
-    }
-    C.add_history(c_line)
+	// append to file
+	f, e := os.OpenFile(history_path, os.O_APPEND|os.O_WRONLY, 0600)
+	if e == nil {
+		defer f.Close()
 
-    // append to file
-    f, e := os.OpenFile(history_path, os.O_APPEND|os.O_WRONLY, 0600) 
-    if e == nil {
-        defer f.Close()
+		_, e = f.WriteString(line + "\n")
+		if e != nil {
+			fmt.Printf("error writing to history")
+		}
+	}
 
-        _, e = f.WriteString(line+"\n")
-        if e != nil { fmt.Printf("error writing to history") }
-    }
-
-    return line, nil
+	return line, nil
 }