id: "emacs"
aliases:
  - "emacslisp"
  - "elisp"
  - "gnuemacs"
  - "xemacs"
  - "ielm"
name: "Emacs Lisp"

install:
  apt:
    - emacs-nox

repl: |
  emacs --eval "(progn (require 'package) (push '("melpa" . "https://melpa.org/packages/") package-archives) (package-initialize) (ielm))"
input: |
  (* 123 234)

main: "main.el"
template: |
  (message "Hello, world!")

run: |
  emacs --load main.el --eval "(progn (require 'package) (push '("melpa" . "https://melpa.org/packages/") package-archives) (package-initialize) (ielm))"

scope:
  code: |
    (defvar x (* 123 234))

pkg:
  install: |
    emacs -Q --batch --eval "(progn (require 'package) (push '(\"melpa\" . \"https://melpa.org/packages/\") package-archives) (package-initialize) (unless (ignore-errors (>= (length (directory-files \"~/.emacs.d/elpa/archives\")) 4)) (package-refresh-contents)) (package-install 'NAME))"

  uninstall: |
    ls ~/.emacs.d/elpa | grep -- - | grep '^NAME-[0-9]' | while read pkg; do emacs -Q --batch --eval "(progn (require 'package) (push '(\"melpa" . "https://melpa.org/packages/\") package-archives) (package-initialize) (unless (ignore-errors (>= (length (directory-files \"~/.emacs.d/elpa/archives\")) 4)) (package-refresh-contents)) (call-interactively 'package-delete))" <<< "$pkg"; done

  all: |
    set -o pipefail; (curl -sS https://elpa.gnu.org/packages/ | grep '<td>' | grep -Eo '[^>]+</a>' | grep -Eo '^[^<]+' && curl -sS https://melpa.org/archive.json | jq -r 'keys | .[]') | sort | uniq