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|
;;; tramp-config.el --- Tramp Configuration -*- lexical-binding: t; coding: utf-8; -*-
;; author: Craig Jennings <c@cjennings.net>
;;; Commentary:
;;
;; TRAMP (Transparent Remote Access, Multiple Protocol)
;;
;; To handle fancy prompts on remote servers, add this to your shell configuration:
;;
;; [[ $TERM == "dumb" ]] && PS1='$ ' && return
;; [[ $TERM == "tramp" ]] && PS1='$ ' && return
;;
;; For zsh users:
;; [[ $TERM == "dumb" || $TERM == "tramp" ]] && unsetopt zle && PS1='$ ' && return
;;; Code:
(use-package tramp
:defer .5
:ensure nil ;; built-in
:config
;; Debugging (uncomment when needed)
;; (setq tramp-debug-buffer t)
;; (setq tramp-verbose 10)
;; Basic Settings
;; Terminal type reported by tramp to host
(setq tramp-terminal-type "dumb")
;; Use the path assigned to the remote user by the remote host
(add-to-list 'tramp-remote-path 'tramp-own-remote-path)
;; Also check for a ~/.ssh/config host entry
(tramp-set-completion-function "ssh"
'((tramp-parse-sconfig "/etc/ssh/ssh_config")
(tramp-parse-sconfig "~/.ssh/config")))
;; File Handling
;; Store auto-save files locally
(setq tramp-auto-save-directory
(expand-file-name "tramp-auto-save" user-emacs-directory))
;; Create directory if it doesn't exist
(unless (file-exists-p tramp-auto-save-directory)
(make-directory tramp-auto-save-directory t))
;; Turn off the backup "$filename~" feature for remote files
(setq remote-file-name-inhibit-auto-save-visited t)
(add-to-list 'backup-directory-alist
(cons tramp-file-name-regexp nil))
;; Performance Settings
;; Set a more representative name for the persistency file
(setq tramp-persistency-file-name
(expand-file-name "tramp-connection-history" user-emacs-directory))
;; Always use external program to copy (more efficient)
(setq tramp-copy-size-limit nil)
;; Cache remote file attributes for better performance
(setq remote-file-name-inhibit-cache nil)
;; Don't check for modified buffers before revert
;; to avoid unnecessary remote operations
(setq revert-without-query '(".*"))
;; Refresh buffers when needed rather than automatically
(setq auto-revert-remote-files nil)
;; Security & Authentication
;; Cache and don't expire passwords
(setq password-cache t)
(setq password-cache-expiry nil)
;; Use SSH control connections for better performance
(setq tramp-use-ssh-controlmaster-options t)
;; Connection Settings
;; Set tramp-direct-async-process locally in all ssh connections
(connection-local-set-profile-variables
'remote-direct-async-process
'((tramp-direct-async-process . t)))
(connection-local-set-profiles
'(:application tramp :protocol "ssh")
'remote-direct-async-process)
(connection-local-set-profiles
'(:application tramp :protocol "sshx")
'remote-direct-async-process)
;; Set sane defaults for frequently used methods
(connection-local-set-profile-variables
'remote-bash
'((shell-file-name . "/bin/bash")
(shell-command-switch . "-c")))
(connection-local-set-profiles
'(:application tramp)
'remote-bash)
;; Don't determine remote files VC status (for a performance gain)
(setq vc-ignore-dir-regexp (concat vc-ignore-dir-regexp "\\|" tramp-file-name-regexp))
;; Method-specific settings
;; Default transfer method (use scp for most efficient transfer)
(setq tramp-default-method "scp")
;; Use different methods based on host/domain patterns
(add-to-list 'tramp-methods
'("sshfast"
(tramp-login-program "ssh")
(tramp-login-args (("-l" "%u") ("-p" "%p") ("%c")
("-e" "none") ("-t" "-t") ("%h")))
(tramp-async-args (("-q")))
(tramp-remote-shell "/bin/sh")
(tramp-remote-shell-login ("-l"))
(tramp-remote-shell-args ("-c"))
(tramp-connection-timeout 10)))
;; Remote shell and project settings
;; Support for Docker containers
(add-to-list 'tramp-remote-path 'tramp-own-remote-path)
(add-to-list 'tramp-remote-path "/usr/local/bin")
(add-to-list 'tramp-remote-path "/usr/local/sbin")
;; Enable directory tracking (useful for eshell)
(setq dirtrack-list '("^.*?\\([a-zA-Z]:.*\\|/.*\\)" 1))
;; Avoid problems with Git on TRAMP
(setq magit-git-executable "/usr/bin/git")
;; Cleanup settings
;; Cleanup TRAMP buffers when idle (every 15 min)
(setq tramp-cleanup-idle-time 900))
(provide 'tramp-config)
;;; tramp-config.el ends here
|
