Christopher James Hayward
4 years ago
2 changed files with 104 additions and 69 deletions
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#+TITLE: Shell |
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#+AUTHOR: Christopher James Hayward |
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#+EMAIL: chris@chrishayward.xyz |
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#+PROPERTY: header-args:emacs-lisp :tangle shell.el :comments org |
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#+PROPERTY: header-args :results silent :eval no-export :comments org |
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#+OPTIONS: num:nil toc:nil todo:nil tasks:nil tags:nil |
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#+OPTIONS: skip:nil author:nil email:nil creator:nil timestamp:nil |
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Override the default behaviour of the Shell environment to integrate with Emacs. |
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* Profile |
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:PROPERTIES: |
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:header-args: :tangle ../config/profile :comments org |
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:END: |
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Override the default shell profile under *Bash*. |
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** Setting up the $PATH |
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Ensure ~~/.local/bin~ added to the =$PATH= environment variable. |
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#+begin_src shell |
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PATH=$PATH:~/.local/bin |
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export PATH |
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#+end_src |
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** Starting Emacs by default on TTY1 |
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When launching into a new session on ~TTY1~, if the display server is not running, run *StartX*[fn:3]. This will launch the window manager. |
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#+begin_src shell |
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if [ -z "${DISPLAY}" ] && [ "${XDG_VTNR}" -eq 1 ]; then |
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exec startx |
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fi |
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#+end_src |
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** Creating symbolic links |
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The system looks for the default shell profile under *Bash* at ~~/.profile~. Creating a symbolic link from this location to our configuration will override the startup behaviour. |
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#+begin_src emacs-lisp |
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(dotfiles/symlink "~/.emacs.d/config/profile" |
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"~/.profile") |
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#+end_src |
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* Methods |
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Define methods for interaction between Emacs and the underlying shell environment. |
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** Run an external process |
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Define a method to run an external process, launching any application on a new process without interferring with Emacs. |
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#+begin_src emacs-lisp |
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(defun dotfiles/run (cmd) |
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"Run an external process." |
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(interactive (list (read-shell-command "λ "))) |
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(start-process-shell-command cmd nil cmd)) |
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#+end_src |
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** Apply command to call process |
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Define a method to apply commands to the current call process, this is to avoid issues with hooks but can impact the performance of Emacs. |
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#+begin_src emacs-lisp |
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(defun dotfiles/run-in-background (cmd) |
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(let ((command-parts (split-string cmd "[ ]+"))) |
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(apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts))))) |
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#+end_src |
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** Keybindings |
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Place keybindings for executing shell commands behind =SPC x=: |
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+ Run shell commands with =x= |
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+ Run async shell commands with =z= |
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#+begin_src emacs-lisp |
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(dotfiles/leader |
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"x" '(:ignore t :which-key "Run") |
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"xx" '(dotfiles/run :which-key "Run") |
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"xz" '(async-shell-command :which-key "Async")) |
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#+end_src |
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