GitLab

"scp2", "ssh", "ssh1", "ssh2", "scpc", "scpx", "sshx".
(tramp-temp-buffer-name): New defconst.
(tramp-handle-start-file-process): Use it.  Apply "exec", for the
command.  No trailing prompt.
(tramp-process-sentinel): Remove temporary buffer, if existing.
Don't handle trailing prompt.
(tramp-open-connection-setup-interactive-shell): Use
`tramp-temp-buffer-name'.