#Copyright (C) 2019. Huawei Technologies Co., Ltd. All rights reserved.
#
#This program is free software; you can redistribute it and/or modify
#it under the terms of GPLv2+ and LGPLv2+ 
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See GPLv2+ and LGPLv2+ for more details.

diff -uNrp a/contrib/command-not-found/pk-command-not-found.c b/contrib/command-not-found/pk-command-not-found.c
--- a/contrib/command-not-found/pk-command-not-found.c	2018-09-25 16:37:29.000000000 +0800
+++ b/contrib/command-not-found/pk-command-not-found.c	2019-08-26 10:14:11.184000000 +0800
@@ -143,6 +143,31 @@ pk_cnf_find_alternatives_replace (const
 
 /**
  *
+ * Add last char, so gre -> grep
+ **/
+static void
+pk_cnf_find_alternatives_add (const gchar *cmd, guint len, GPtrArray *array)
+{
+        guint i;
+        gchar *possible;
+        gchar *alt="abcdefghijklmnopqrstuvwxyz";
+        for(i = 0;i < 26; i++)
+        {
+                gchar *temp = malloc((len+2)*sizeof(gchar));
+				if(NULL != temp)
+				{
+					memset(temp,0,(len+2)*sizeof(gchar));
+					strncpy(temp,cmd,len);
+					temp[len]=alt[i];
+					temp[len+1]='\0';
+					possible = temp;
+					g_ptr_array_add (array, possible);
+				}
+        }
+}
+
+/**
+ *
  * Truncate first and last char, so lshall -> lshal
  **/
 static void
@@ -349,6 +374,7 @@ pk_cnf_find_alternatives (const gchar *c
 	unique = g_ptr_array_new ();
 	pk_cnf_find_alternatives_swizzle (cmd, len, possible);
 	pk_cnf_find_alternatives_replace (cmd, len, possible);
+	pk_cnf_find_alternatives_add (cmd, len, possible);
 	if (len > 3)
 		pk_cnf_find_alternatives_truncate (cmd, len, possible);
 	pk_cnf_find_alternatives_remove_double (cmd, len, possible);