WL#3298: IM: make command-line option names consistent

1. Removed '-P' command line option;
2. Renamed '--passwd' command line option to '--print-password-line'.


mysql-test/t/im_cmd_line.imtest:
  Renamed "--passwd" to "--print-password-line".
server-tools/instance-manager/options.cc:
  1. Removed '-P' option;
  2. Renamed '--passwd' to '--print-password-line'.
server-tools/instance-manager/user_management_commands.cc:
  Renamed class Passwd_cmd to Print_password_line_cmd.
server-tools/instance-manager/user_management_commands.h:
  Renamed class Passwd_cmd to Print_password_line_cmd.

mysql-test/t/im_cmd_line.imtest

@@ -26,7 +26,7 @@
 --echo
 
 --echo --> Printing out line for 'testuser'...
---exec $IM_EXE --defaults-file="$IM_DEFAULTS_PATH" --passwd --username=testuser --password=abc | tail -1
+--exec $IM_EXE --defaults-file="$IM_DEFAULTS_PATH" --print-password-line --username=testuser --password=abc | tail -1
 --echo
 
 --echo --> Listing users...
@@ -45,7 +45,7 @@
 --echo
 
 --echo --> Printing out line for 'testuser'...
---exec $IM_EXE --defaults-file="$IM_DEFAULTS_PATH" --passwd --username=testuser --password=xyz | tail -1
+--exec $IM_EXE --defaults-file="$IM_DEFAULTS_PATH" --print-password-line --username=testuser --password=xyz | tail -1
 --echo
 
 --echo --> Listing users...

server-tools/instance-manager/options.cc

@@ -114,7 +114,6 @@ static const int ANGEL_PID_FILE_SUFFIX_LEN= strlen(ANGEL_PID_FILE_SUFFIX);
 */
 
 enum options {
-  OPT_PASSWD= 'P',
   OPT_USERNAME= 'u',
   OPT_PASSWORD= 'p',
   OPT_LOG= 256,
@@ -135,6 +134,7 @@ enum options {
   OPT_PORT,
   OPT_WAIT_TIMEOUT,
   OPT_BIND_ADDRESS,
+  OPT_PRINT_PASSWORD_LINE,
   OPT_ADD_USER,
   OPT_DROP_USER,
   OPT_EDIT_USER,
@@ -225,8 +225,8 @@ static struct my_option my_long_options[] =
     (gptr *) &Options::Main::mysqld_safe_compatible,
     0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 0, 0 },
 
-  { "passwd", OPT_PASSWD,
-    "Prepare an entry for the password file and exit.",
+  { "print-password-line", OPT_PRINT_PASSWORD_LINE,
+    "Print out a user entry as a line for the password file and exit.",
     0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0 },
 
   { "password", OPT_PASSWORD, "Password to update the password file",
@@ -339,7 +339,7 @@ get_one_option(int optid,
   case 'V':
     version();
     exit(0);
-  case OPT_PASSWD:
+  case OPT_PRINT_PASSWORD_LINE:
   case OPT_ADD_USER:
   case OPT_DROP_USER:
   case OPT_EDIT_USER:
@@ -354,8 +354,8 @@ get_one_option(int optid,
     }
 
     switch (optid) {
-    case OPT_PASSWD:
-      Options::User_management::cmd= new Passwd_cmd();
+    case OPT_PRINT_PASSWORD_LINE:
+      Options::User_management::cmd= new Print_password_line_cmd();
       break;
     case OPT_ADD_USER:
       Options::User_management::cmd= new Add_user_cmd();

server-tools/instance-manager/user_management_commands.cc

@@ -180,10 +180,10 @@ static int save_password_file(User_map *user_map)
 }
 
 /*************************************************************************
-  Passwd_cmd
+  Print_password_line_cmd
 *************************************************************************/
 
-int Passwd_cmd::execute()
+int Print_password_line_cmd::execute()
 {
   LEX_STRING user_name;
   const char *password;

server-tools/instance-manager/user_management_commands.h

@@ -61,13 +61,14 @@ public:
 
 
 /*************************************************************************
-  Passwd_cmd: support for --passwd command-line option.
+  Print_password_line_cmd: support for --print-password-line command-line
+  option.
 *************************************************************************/
 
-class Passwd_cmd : public User_management_cmd
+class Print_password_line_cmd : public User_management_cmd
 {
 public:
-  Passwd_cmd()
+  Print_password_line_cmd()
   { }
 
 public: