subtree(users/wpcarro): docking briefcase at '24f5a642'

git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789

users/wpcarro/emacs/.emacs.d/wpc/ssh.el

@@ -0,0 +1,65 @@
+;;; ssh.el --- When working remotely -*- lexical-binding: t -*-
+
+;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; URL: https://git.wpcarro.dev/wpcarro/briefcase
+;; Package-Requires: ((emacs "24"))
+
+;;; Commentary:
+;; Configuration to make remote work easier.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'tramp)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Configuration
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; TODO: Is "ssh" preferable to "scp"?
+(setq tramp-default-method "ssh")
+
+;; Taken from: https://superuser.com/questions/179313/tramp-waiting-for-prompts-from-remote-shell
+(setq tramp-shell-prompt-pattern "^[^$>\n]*[#$%>] *\\(\[[0-9;]*[a-zA-Z] *\\)*")
+
+;; Sets the value of the TERM variable to "dumb" when logging into the remote
+;; host. This allows me to check for the value of "dumb" in my shell's init file
+;; and control the startup accordingly. You can see in the (shamefully large)
+;; commit, 0b4ef0e, that I added a check like this to my ~/.zshrc. I've since
+;; switched from z-shell to fish. I don't currently have this check in
+;; config.fish, but I may need to add it one day soon.
+(setq tramp-terminal-type "dumb")
+
+;; Maximizes the tramp debugging noisiness while I'm still learning about tramp.
+(setq tramp-verbose 10)
+
+;; As confusing as this may seem, this forces Tramp to use *my* .ssh/config
+;; options, which enable ControlMaster. In other words, disabling this actually
+;; enables ControlMaster.
+(setq tramp-use-ssh-controlmaster-options nil)
+
+(defcustom ssh-hosts '("desktop" "socrates")
+  "List of hosts to which I commonly connect.
+Note: It could be interesting to read these values from ~/.ssh-config, but
+  that's more than I need at the moment.")
+
+(defun ssh-sudo-buffer ()
+  "Open the current buffer with sudo rights."
+  (interactive)
+  (with-current-buffer (current-buffer)
+    (if (s-starts-with? "/ssh:" buffer-file-name)
+        (message "[ssh.el] calling ssh-sudo-buffer for remote files isn't currently supported")
+      (find-file (format "/sudo::%s" buffer-file-name)))))
+
+(defun ssh-cd-home ()
+  "Prompt for an SSH host and open a dired buffer for wpcarro on that machine."
+  (interactive)
+  (let ((machine (completing-read "Machine: " ssh-hosts)))
+    (find-file (format "/ssh:wpcarro@%s:~" machine))))
+
+(provide 'ssh)
+;;; ssh.el ends here