Add basename option

Closes #903

cmd/micro/settings.go

@@ -202,6 +202,7 @@ func DefaultGlobalSettings() map[string]interface{} {
 	return map[string]interface{}{
 		"autoindent":     true,
 		"autosave":       false,
+		"basename":       false,
 		"colorcolumn":    float64(0),
 		"colorscheme":    "default",
 		"cursorline":     true,
@@ -244,6 +245,7 @@ func DefaultLocalSettings() map[string]interface{} {
 	return map[string]interface{}{
 		"autoindent":     true,
 		"autosave":       false,
+		"basename":       false,
 		"colorcolumn":    float64(0),
 		"cursorline":     true,
 		"eofnewline":     false,

cmd/micro/statusline.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"path"
 	"strconv"
 )
 
@@ -22,6 +23,9 @@ func (sline *Statusline) Display() {
 	y := sline.view.Height + sline.view.y
 
 	file := sline.view.Buf.GetName()
+	if sline.view.Buf.Settings["basename"].(bool) {
+		file = path.Base(file)
+	}
 
 	// If the buffer is dirty (has been modified) write a little '+'
 	if sline.view.Buf.Modified() {

runtime/help/options.md

@@ -20,6 +20,11 @@ Here are the options that you can set:
 
 	default value: `off`
 
+* `basename`: in the infobar, show only the basename of the file being edited
+   rather than the full path.
+
+    default value: `off`
+
 * `colorcolumn`: if this is not set to 0, it will display a column at the
   specified column. This is useful if you want column 80 to be highlighted
   special for example.