path: root/nix/users/fcuny/configs/emacs/init.el

;;; init.el --- This is where all emacs start. -*- lexical-binding: t -*-

;;; Commentary:

;;; Code:

(defconst emacs-start-time (current-time))

(defun report-time-since-load ()
  "Report how long it takes to load my Emacs configuration."
  (message "[after-init ]Loading init...done (%.3fs)"
	   (float-time (time-subtract (current-time) emacs-start-time))))

(add-hook 'after-init-hook #'(lambda () (report-time-since-load)) t)

(setq sentence-end-double-space nil        ;; it matters for filling
      create-lockfiles nil                 ;; don't use a lock file
      initial-major-mode 'fundamental-mode ;; default mode for the scratch buffer
      initial-scratch-message ""           ;; makes the scratch buffer empty
      confirm-kill-emacs #'yes-or-no-p     ;; ask before killing emacs
      use-short-answers t                  ;; use y-or-n
      ring-bell-function 'ignore           ;; really no bell
      visible-bell nil                     ;; no bell
      delete-by-moving-to-trash t          ;; delete files by moving them to the trash
      history-delete-duplicates t          ;; delete duplicate from history
      require-final-newline t              ;; ensure a new line is present at the bottom of files
      auto-save-default nil                ;; no auto save
      backup-inhibited t                   ;; no backups
      )

;; Use UTF-8 everywhere
(set-default-coding-systems 'utf-8)

(use-package recentf
  :custom
  (recentf-max-saved-items 2000)
  (recentf-max-menu-items  200)
  (recentf-exclude
   '("~\\'" "\\`out\\'" "\\.log\\'" "^/[^/]*:" "\\.el\\.gz\\'" "\\.gz\\'"))
  :config
  (recentf-mode t))

(use-package savehist
  :hook (after-init . savehist-mode)
  :config
  (setq history-length 100)
  (setq history-delete-duplicates t)
  (setq savehist-save-minibuffer-history t)
  (savehist-mode t))

(use-package saveplace
  :config
  (save-place-mode t))

(use-package autorevert
  :custom
  (auto-revert-use-notify nil)
  :config
  (global-auto-revert-mode t))

(global-set-key (kbd "M-j") 'join-line)

(use-package which-key
  :diminish
  :hook (after-init . which-key-mode))

(use-package imenu
  :config
  (setq imenu-auto-rescan t))

(use-package exec-path-from-shell
  :config
  (exec-path-from-shell-initialize)
  :custom
  (exec-path-from-shell-variables '("ASPELL_CONF")))

(use-package ibuffer
  :bind ("C-x C-b" . ibuffer)
  :custom
  (ibuffer-expert t)
  (ibuffer-show-empty-filter-groups nil)
  (ibuffer-jump-offer-only-visible-buffers t)
  (ibuffer-maybe-show-predicates '("^\\*.*\\*$"))
  (ibuffer-never-show-predicates '("^ "))
  (ibuffer-use-other-window t))

(use-package midnight
  :custom
  ;; every 6 hours
  (midnight-period (* 3600 6)))

(use-package dired
  :hook (dired-mode . dired-omit-mode)
  :bind (:map dired-mode-map
              ( "."     . dired-omit-mode))
  :custom
  (dired-omit-files (rx (seq bol ".")))
  (dired-use-ls-dired t)
  (insert-directory-program "/etc/profiles/per-user/fcuny/bin/ls")
  (dired-clean-up-buffers-too nil)
  (dired-dwim-target t)
  (dired-hide-details-hide-information-lines nil)
  (dired-hide-details-hide-symlink-targets nil)
  (dired-recursive-copies 'always)
  (dired-recursive-deletes 'always)
  (dired-no-confirm
   '(byte-compile chgrp chmod chown copy hardlink symlink touch)))

(defun my/rename-this-buffer-and-file ()
  "Renames current buffer and file it is visiting."
  (interactive)
  (let ((name (buffer-name))
        (filename (buffer-file-name))
        (read-file-name-function 'read-file-name-default))
    (if (not (and filename (file-exists-p filename)))
        (error "Buffer '%s' is not visiting a file!" name)
      (let ((new-name (read-file-name "New name: " filename)))
        (cond ((get-buffer new-name)
               (error "A buffer named '%s' already exists!" new-name))
              (t
               (rename-file filename new-name 1)
               (rename-buffer new-name)
               (set-visited-file-name new-name)
               (set-buffer-modified-p nil)
               (message "File '%s' successfully renamed to '%s'" name (file-name-nondirectory new-name))))))))

;; Don't say anything on mode-line mouseover.
(setq mode-line-default-help-echo nil)

;; Keep cursors and highlights in current window only.
(setq cursor-in-non-selected-windows nil)

;; Don't highlight inactive windows.
(setq highlight-nonselected-windows nil)

(use-package fringe
  :config
  ;; no fringe on the right side
  (fringe-mode '(8 . 0)))

;; Disable bidirectional text support for slight performance bonus.
(setq bidi-display-reordering nil)

;; show column number in the mode line
(setq column-number-mode t)

(require 'time)

(setq display-time-24hr-format t
      display-time-interval 60
      display-time-mode t
      display-time-format "%H:%M %d.%m"
      display-time-day-and-date t
      display-time-default-load-average nil)

(setq world-clock-list t
      world-clock-timer-enable t
      world-clock-timer-second 60
      world-clock-time-format "%R %z  %A %d %B")

;; UTC      => 02:42 +0000  Wednesday 20 April
;; Berkeley => 19:42 -0700  Tuesday 19 April
(setq zoneinfo-style-world-list '(("UTC" "UTC")
                             ("America/Los_Angeles" "Berkeley")
                             ("America/Denver" "Mountain Time")
                             ("America/Chicago" "Central Time")
                             ("America/New_York" "New York")
                             ("Europe/London" "London")
                             ("Europe/Paris" "Paris")))

(use-package ef-themes
  :custom
  (ef-themes-region '(intense no-extend neutral))
  (ef-themes-disable-other-themes t)
  (ef-themes-to-toggle '(ef-melissa-light ef-maris-light))
  :init
  (ef-themes-select 'ef-maris-light))

(use-package magit
  :bind ("C-x g" . magit-status)
  :custom
  (magit-diff-refine-hunk t)
  (magit-repository-directories
   '(("~/workspace" . 1)))
  (magit-repolist-column-flag-alist
   '((magit-untracked-files . "N")
     (magit-unstaged-files . "U")
     (magit-staged-files . "S")))
  (magit-repolist-columns
   '(("Name" 25 magit-repolist-column-ident nil)
     ("" 3 magit-repolist-column-flag)
     ("Version" 25 magit-repolist-column-version
      ((:sort magit-repolist-version<)))
     ("B<U" 3 magit-repolist-column-unpulled-from-upstream
      ((:right-align t)
       (:sort <)))
     ("B>U" 3 magit-repolist-column-unpushed-to-upstream
      ((:right-align t)
       (:sort <)))
     ("Path" 99 magit-repolist-column-path nil)))
  (magit-clone-default-directory "~/workspace/")
  :config
  ;; show ANSI colors in the process buffer, so it's easier to read what's going on
  ;; for some reasons if it's in the `:custom' section it does not get set
  (setq magit-process-finish-apply-ansi-colors t))

(use-package git-link
  :defines git-link-remote-alist
  :bind ("C-c Y" . git-link)
  :commands (git-link git-link-commit git-link-homepage)
  :custom
  (git-link-open-in-browser t)
  :config
  ;; sets up roblox git enterprise as a git-link handler
  (add-to-list 'git-link-remote-alist '("github\\.rblx\\.com" git-link-github))
  (add-to-list 'git-link-commit-remote-alist '("github\\.rblx\\.com" git-link-commit-github)))

(use-package rg
  :custom
  (rg-group-result t)
  (rg-show-columns t)
  (rg-align-line-number-field-length 3)
  (rg-align-column-number-field-length 3)
  (rg-align-line-column-separator "#")
  (rg-align-position-content-separator "|")
  (rg-hide-command nil)
  (rg-align-position-numbers t)
  (rg-command-line-flags '("--follow")))

(use-package project
  :config
  (setq project-mode-line t
	project-switch-commands
        '((project-find-file "Find file" f)
          (project-dired "Dired" d)
          (project-eshell "Eshell" e)
          (magit-project-status "Magit" ?m))))

;; `elec-pair' is a built-in minor-mode that enables auto-pairing of parens (or
;; similar delimiters).
(use-package elec-pair
  :hook (prog-mode . electric-pair-mode))

(use-package compile
  :hook (compilation-filter . ansi-color-compilation-filter)
  :custom
  (compilation-always-kill t)
  (compilation-context-lines 10)
  (compilation-disable-input t)
  (compilation-scroll-output 'first-error)
  (compilation-scroll-output t)
  (compilation-skip-threshold 2)
  ;; Save all buffers on M-x `compile'
  (compilation-ask-about-save nil))

(use-package eldoc
  :diminish
  :hook ((emacs-lisp-mode) . eldoc-mode)
  :custom
  (eldoc-idle-delay 1)
  (eldoc-documentation-strategy #'eldoc-documentation-default)
  ;; Don't resize the echo area if the documentation is longer. This is very
  ;; distracting when combined with Eglot's highlight functionality.
  (eldoc-echo-area-use-multiline-p nil))

(use-package tree-sitter
  :config
  (global-tree-sitter-mode))

(use-package tree-sitter-langs
  :after tree-sitter)

(use-package direnv
  :custom
  (direnv-always-show-summary nil)
  :config
  (direnv-mode))

(use-package emacs-lisp-mode
  :bind (:map emacs-lisp-mode-map
              ("C-c C-r" . eval-region)
              ("C-c C-d" . eval-defun)
              ("C-c C-b" . eval-buffer))
  :hook ((emacs-lisp-mode . flymake-mode)))

(use-package eglot
  :after yasnippet
  :bind (:map eglot-mode-map
              ("C-c l a" . eglot-code-actions)
              ("C-c l r" . eglot-rename)
	      ("C-c l f" . eglot-format-buffer))
  :hook ((go-mode     . eglot-ensure)
	 (python-mode . eglot-ensure)
	 (nix-mode    . eglot-ensure))
  :custom
  (eglot-send-changes-idle-time 0.1)
  :config
  (setq eglot-autoshutdown t
	;; Disable logging of events.
	eglot-events-buffer-size 0)
  (setq-default eglot-workspace-configuration
                '(:pylsp (:plugins (:ruff (:enabled t)))
                  :nil (:formatting (:command ["nixfmt"]))
                  :gopls (:usePlaceholders t
					   :staticcheck t
					   :completeUnimported t
					   :matcher "CaseSensitive")))

  ;; uses https://github.com/nix-community/nixd for the LSP server instead of rnix
  (add-to-list 'eglot-server-programs '(nix-mode . ("nil"))))

;;; go related configuration
(use-package go-mode
  :hook ((go-mode . tree-sitter-hl-mode)
         (go-mode . (lambda () (setq tab-width 4)))
         (go-mode . (lambda () (add-hook 'before-save-hook 'eglot-format-buffer nil t))))
  :bind (:map go-mode-map
              ("C-c C-c" . compile)))

(use-package gotest
  :after go-mode
  :custom
  (go-test-verbose t))

;;; nix related configuration
(use-package nix-mode
  :hook ((nix-mode . (lambda () (add-hook 'before-save-hook 'eglot-format-buffer nil t))))
  :custom
  (nix-indent-function 'nix-indent-line))

;;; python related configuration
(use-package python-mode
  :hook ((python-mode . tree-sitter-hl-mode)))

(use-package ruby-mode)

;;; flymake related configuration
(use-package flymake
  :bind (:prefix "C-c !"
		 :prefix-map flymake-prefix-map
		 ("l" . consult-flymake)
                 ("b" . flymake-show-project-diagnostics)
                 ("n" . flymake-goto-next-error)
                 ("p" . flymake-goto-prev-error))
  :hook
  (prog-mode . flymake-mode)
  :custom
  (flymake-start-on-save-buffer t)
  (flymake-fringe-indicator-position 'left-fringe)
  (flymake-suppress-zero-counters t)
  (flymake-proc-compilation-prevents-syntax-check t)
  (flymake-no-changes-timeout 9999)
  (elisp-flymake-byte-compile-load-path load-path))

;;; JSON related modules
(use-package json-mode
  :mode "\\.json\\'")

(use-package json-reformat
  :after json-mode)

(use-package jq-mode
  :mode "\\.jq\\'")

;;; hashicorp related modules
(use-package terraform-mode
  :mode "\.tf\\'")

(use-package hcl-mode
  :mode "\.nomad\\'")

;;; TOML related modules
(use-package toml-mode)

;;; YAML related modules
(use-package yaml-mode)

;;; docker related modules
(use-package docker
  :bind ("C-c d" . docker)
  :diminish
  :init
  (use-package docker-image   :commands docker-images)
  (use-package docker-volume  :commands docker-volumes)
  (use-package docker-network :commands docker-containers)
  (use-package docker-compose :commands docker-compose)

  (use-package docker-container
    :commands docker-containers
    :custom
    (docker-containers-shell-file-name "/bin/bash")
    (docker-containers-show-all nil)))

(use-package docker-compose-mode
  :mode "docker-compose.*\.yml\\'")

(use-package dockerfile-mode
  :mode "Dockerfile[a-zA-Z.-]*\\'")

(use-package protobuf-mode
  :mode "\\.proto\\'")

;;; css related configuration
(use-package css-mode
  :custom
  (css-indent-offset 2)
  (cssm-indent-level 1))

(use-package consult
  :commands (consult-ripgrep consult-buffer consult-imenu)
  :bind (("C-c m"   . consult-mode-command)
	 ("C-x b"   . consult-buffer)
	 ("C-x r b" . consult-bookmark)
	 ("C-x p b" . consult-project-buffer)
	 ("C-c i"   . consult-imenu)
	 ("M-g e"   . consult-compile-error)
	 ("M-g M-g" . consult-goto-line)
	 ("M-g m"   . consult-mark)
	 ("M-g k"   . consult-global-mark)))

(use-package corfu
  :custom
  (corfu-auto t)
  :bind ("M-/" . completion-at-point)
  :hook ((after-init . global-corfu-mode)
         (global-corfu-mode . corfu-popupinfo-mode)))

(use-package cape
  :ensure t)

(use-package marginalia
  :ensure t
  :hook (after-init . marginalia-mode))

(use-package orderless
  :demand t
  :custom
  (completion-styles '(orderless basic))
  (completion-category-defaults nil))

(use-package vertico
  :hook ((after-init . vertico-mode)))

(use-package eshell
  :commands (eshell eshell-command)
  :bind (("C-r" . consult-history))
  :custom
  (eshell-hist-ignoredups t)
  (eshell-history-size 50000)
  (eshell-ls-dired-initial-args '("-h"))
  (eshell-ls-initial-args "-h")
  (eshell-ls-exclude-regexp "~\\'")
  (eshell-save-history-on-exit t)
  (eshell-stringify-t nil)
  (eshell-term-name "ansi"))

(use-package yasnippet
  :hook (after-init . yas-global-mode))

;; Yasnippet Completion At Point Function
(use-package yasnippet-capf
  :init (add-to-list 'completion-at-point-functions #'yasnippet-capf))

(report-time-since-load)

;;; early-init.el ends here
;; byte-compile-warnings: (not docstrings lexical noruntime)
;; End: