Renamed mosh2 to mosh1 for legacy version

Author: Carlos Cabanero

Blink/Commands/mosh/mosh.swift

@@ -487,6 +487,7 @@ enum MoshError: Error, LocalizedError {
 
   func die(message: String) -> Int32 {
     print(message, to: &stderr)
+    print("Use mosh1 for the deprecated (previous) mosh version.", to: &stderr)
     return -1
   }
 

Sessions/MCPSession.m

@@ -113,7 +113,7 @@ - (void)executeWithArgs:(NSString *)args {
         return;
       }
     }
-    if ([@"mosh2" isEqualToString:self.sessionParams.childSessionType] && self.sessionParams.hasEncodedState) {
+    if ([@"mosh1" isEqualToString:self.sessionParams.childSessionType] && self.sessionParams.hasEncodedState) {
       //BlinkMosh *mosh = [[BlinkMosh alloc] initWithMcpSession: self device:_device andParams:self.sessionParams.childSessionParams];
       MoshSession *mosh = [[MoshSession alloc] initWithDevice:_device andParams:self.sessionParams.childSessionParams];
       mosh.mcpSession = self;
@@ -214,8 +214,8 @@ - (BOOL)_runCommand:(NSString *)cmdline skipHistoryRecord: (BOOL) skipHistoryRec
     if (self.sessionParams.hasEncodedState) {
       return NO;
     }
-  } else if ([cmd isEqualToString:@"mosh2"]) {
-    [self _runMosh2WithArgs:cmdline];
+  } else if ([cmd isEqualToString:@"mosh1"]) {
+    [self _runMosh1WithArgs:cmdline];
     if (self.sessionParams.hasEncodedState) {
       return NO;
     }
@@ -306,10 +306,10 @@ - (void)_runMoshWithArgs:(NSString *)args
   _childSession = nil;
 }
 
-- (void)_runMosh2WithArgs:(NSString *)args
+- (void)_runMosh1WithArgs:(NSString *)args
 {
   self.sessionParams.childSessionParams = [[MoshParams alloc] init];
-  self.sessionParams.childSessionType = @"mosh2";
+  self.sessionParams.childSessionType = @"mosh1";
   //BlinkMosh *mosh = [[BlinkMosh alloc] initWithMcpSession: self device:_device andParams:self.sessionParams.childSessionParams];
   // TODO Connect previous mosh
   MoshSession *mosh = [[MoshSession alloc] initWithDevice:_device andParams:self.sessionParams.childSessionParams];

Sessions/MoshSession.m

@@ -48,7 +48,9 @@
 static NSDictionary *experimentalIPStrings = nil;
 
 static const char *usage_format =
-"Usage: mosh [options] [user@]host|IP [--] [command]"
+"This is the Original mosh command. Use in case new mosh command does not work.\r\n"
+"Please let us know in that case.\r\n"
+"Usage: mosh1 [options] [user@]host|IP [--] [command]"
 "\r\n"
 "                --server=PATH          mosh server on remote machine\r\n"
 "                                       (default: mosh-server)\r\n"