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;; symlink this file to ~/.emacs
;; M-x package-refresh-contents if some package 404s
;; Nicer defaults
(setq compilation-scroll-output t)
(setq column-number-mode t) ; in the mode line
(setq-default show-trailing-whitespace t)
(global-whitespace-mode)
(setopt whitespace-style '(tab-mark))
(xterm-mouse-mode 1)
(save-place-mode t) ; persists your position in files
(setq custom-file "~/.emacs.d/disable-custom-variable-saving")
(load-theme 'modus-vivendi :no-confirm) ; colorblind-friendly theme
(fido-vertical-mode) ; nice completion for M-x
(which-key-mode) ; learn keyboard shortcuts
(global-completion-preview-mode 1) ; show things that you can tab-complete
(setq tab-always-indent 'complete) ; allow tab to complete
(setq text-mode-ispell-word-completion nil) ; but do not complete dictionary words
(windmove-default-keybindings) ; S-cursor to move to different windows
(setq org-startup-folded t)
(editorconfig-mode 1)
(add-hook 'js-json-mode-hook
(lambda ()
(setq indent-tabs-mode nil)
(setq js-indent-level 2)))
;; Do not spill temporary files everywhere
;; https://stackoverflow.com/a/18330742
(defvar --backup-directory (concat user-emacs-directory "backups"))
(if (not (file-exists-p --backup-directory))
(make-directory --backup-directory t))
(setq backup-directory-alist `(("." . ,--backup-directory)))
;; Configure the package manager. Some packages I use are not in the default repositories
(require 'use-package-ensure)
(setq use-package-always-ensure t)
(require 'package)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
;; Install xclip so cutting/copying in Emacs on a terminal affects the graphical clipboard
(use-package xclip
:ensure t
:config
(xclip-mode 1))
;; Fancy undo
(use-package undo-tree
:ensure t
:config
(global-undo-tree-mode)
(setq undo-tree-visualizer-diff t)
(setq undo-tree-visualizer-timestamp t)
(setq undo-tree-auto-save-history t)
;; https://www.reddit.com/r/emacs/comments/tejte0/undotree_bug_undotree_files_scattering_everywhere/?rdt=39892
(setq undo-tree-history-directory-alist '(("." . "~/.emacs.d/undo"))))
;; for eglot snippet completion
(use-package yasnippet :ensure t)
(yas-global-mode 1)
;; Rust support
;; rustic-enable-detached-file-support seems to be problematic :(
(use-package rustic
:ensure t
:config
(setq rustic-format-on-save t)
(setq rustic-rustfmt-args "--edition 2018")
(setq rustic-lsp-client 'eglot)
;; https://github.com/emacs-rustic/rustic/issues/99
(put 'rustic-indent-offset 'safe-local-variable 'integerp)
(add-hook 'rustic-mode-hook
(lambda () (setq indent-tabs-mode nil))))
;; https://download.eclipse.org/jdtls/milestones/1.43.0/jdt-language-server-1.43.0-202412191447.tar.gz is the last language server that supports Debian 12 JDK
;; Untar the archive and symlink the jdtls binary in ~/.local/bin
(add-hook 'java-mode-hook 'eglot-ensure)
;; pipx install basedpyright
(add-hook 'python-mode-hook 'eglot-ensure)
;; The default setting is higher than strict, and complains (amongst others) about missing type annotations
(setq-default eglot-workspace-configuration
'(:basedpyright (:typeCheckingMode "strict")
:basedpyright.analysis (:diagnosticSeverityOverrides (
:reportMissingParameterType "none"
:reportUnknownParameterType "none"
:reportUnknownVariableType "none"
:reportUnknownMemberType "none"
:reportUnknownArgumentType "none"))))
;; YAML support
(use-package yaml-mode :ensure t)
;; Puppet support; mostly for syntax highlighting
(use-package puppet-mode :ensure t)
;; Python notebooks
(use-package ein
:ensure t
:config
(defvar ein:jupyter-default-notebook-directory (concat user-emacs-directory "ein")))
(use-package ledger-mode :ensure t)
;; Sometimes I like playing with Prolog
(setq prolog-system 'swi)
(setq auto-mode-alist (append '(("\\.pl\\'" . prolog-mode))
auto-mode-alist))
;; for typescript and tsx, use treesit-install-language-grammar to enable the built-in Emacs modes; interactive install is fine, see https://www.masteringemacs.org/article/how-to-get-started-tree-sitter
(add-hook 'tsx-ts-mode-hook 'eglot-ensure)
(add-hook 'typescript-ts-mode-hook 'eglot-ensure)
(with-eval-after-load 'eglot
(add-to-list 'eglot-server-programs
'(tsx-ts-mode . ("npx" "typescript-language-server" "--stdio"))))
(with-eval-after-load 'eglot
(add-to-list 'eglot-server-programs
'(typescript-ts-mode . ("npx" "typescript-language-server" "--stdio"))))
(add-to-list 'auto-mode-alist '("\\.ts" . typescript-ts-mode))
(add-to-list 'auto-mode-alist '("\\.tsx" . tsx-ts-mode))
(use-package sql-indent
:ensure t
:config
(add-hook 'sql-mode-hook 'sqlind-minor-mode))
;; the following is a bit fiddly, eglot requires some extra love to have extra flymake providers
(use-package flymake-vale
:vc (:url "https://github.com/tpeacock19/flymake-vale.git"
:rev :newest)
:config
(add-hook 'find-file-hook 'flymake-vale-maybe-load)
(add-to-list 'flymake-vale-modes 'rustic-mode))
(setq eglot-stay-out-of '(flymake))
(add-hook 'eglot--managed-mode-hook (lambda ()
(add-hook 'flymake-diagnostic-functions 'eglot-flymake-backend nil t)
(flymake-mode 1)))
(add-hook 'markdown-mode-hook 'flymake-mode)
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