config_emacs/config.org

#+TITLE: Emacs configuration file
#+AUTHOR: Marc
#+BABEL: :cache yes
#+PROPERTY: header-args :tangle yes

* TODOS
- early-init.el? What to outsource here?
- Paket exec-path-from-shell, um PATH aus Linux auch in emacs zu haben
- Smart mode line?
- Theme
- evil-collection or custom in init file?
- Hydra
- General
- (defalias 'list-buffers 'ibuffer)  ;; change default to ibuffer
- ido?
- treemacs (for linux)
- treemacs-evil?
- treemacs-projectile
 windmove?
- tramp (in linux)
- visual-regexp
- org configuration: paths
- org custom agenda
- org-ql (related to org agendas)
- org configuration: everything else
- beancount configuration from config.org
- CONTINUE TODO from config.org at Programming
- all-the-icons?
- lispy? [[https://github.com/abo-abo/lispy]]

* Header
  :PROPERTIES:
  :ID:       a14d7c89-24ea-41ae-b185-944bab49aa02
  :END:
Emacs variables are dynamically scoped. That's unusual for most languages, so disable it here, too
#+begin_src emacs-lisp
;;; init.el --- -*- lexical-binding: t -*-
#+end_src

* First start
:PROPERTIES:
:ID:       1c24d48e-0124-4a0b-8e78-82e4c531e818
:END:
These functions updates config.el whenever changes in config.org are made. The update will be active after saving.

#+BEGIN_SRC emacs-lisp
(defun me/tangle-config ()
  "Export code blocks from the literate config file
asynchronously."
  (interactive)
  ;; prevent emacs from killing until tangle-process finished
  (add-to-list 'kill-emacs-query-functions
               (lambda ()
                 (or (not (process-live-p (get-process "tangle-process")))
                     (y-or-n-p "\"me/tangle-config\" is running; kill it? "))))
  ;; tangle config asynchronously
  (me/async-process
   (format "emacs %s --batch --eval '(org-babel-tangle nil \"%s\")'" config-org config-el)
   "tangle-process")
  (message "reloading user-init-file")
  (load-file config-el))

(add-hook 'org-mode-hook
          (lambda ()
            (if (equal (buffer-file-name) config-org)
                (me/add-local-hook 'after-save-hook 'me/tangle-config))))

(defun me/add-local-hook (hook function)
  "Add buffer-local hook."
  (add-hook hook function :local t))

(defun me/async-process (command &optional name filter)
  "Start an async process by running the COMMAND string with bash. Return the
process object for it.

NAME is name for the process. Default is \"async-process\".

FILTER is function that runs after the process is finished, its args should be
\"(process output)\". Default is just messages the output."
  (make-process
   :command `("bash" "-c" ,command)
   :name (if name name
           "async-process")
   :filter (if filter filter
             (lambda (process output) (message output)))))
;             (lambda (process output) (message (s-trim output))))))

;; Examples:
;;
;; (me/async-process "ls")
;;
;; (me/async-process "ls" "my ls process"
;;                   (lambda (process output) (message "Output:\n\n%s" output)))
;;
;; (me/async-process "unknown command")
#+END_SRC

A small function to measure start up time.
Compare that to
emacs -q --eval='(message "%s" (emacs-init-time))'
(roughly 0.27s)
https://blog.d46.us/advanced-emacs-startup/
#+begin_src emacs-lisp
(add-hook 'emacs-startup-hook
          (lambda ()
            (message "Emacs ready in %s with %d garbage collections."
                     (format "%.2f seconds"
                             (float-time
                              (time-subtract after-init-time before-init-time)))
                     gcs-done)))

;(setq gc-cons-threshold (* 50 1000 1000))
#+end_src

#+BEGIN_SRC emacs-lisp
(require 'package)

(add-to-list 'package-archives '("elpa" . "https://elpa.gnu.org/packages/") t)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(add-to-list 'package-archives '("melpa-stable" . "https://stable.melpa.org/packages/") t)
(add-to-list 'package-archives '("org" . "https://orgmode.org/elpa/") t)

; fix for bug 34341
(setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")

(when (< emacs-major-version 27)
  (package-initialize))
#+END_SRC

#+BEGIN_SRC emacs-lisp
(unless (package-installed-p 'use-package)
  (package-refresh-contents)
  (package-install 'use-package))

(eval-when-compile
  (setq use-package-enable-imenu-support t)
  (require 'use-package))
(require 'bind-key)

(setq use-package-verbose nil)

(use-package diminish
  :ensure t)
#+END_SRC

cl is deprecated in favor for cl-lib, some packages like emmet still depend on cl.
Shut off the compiler warning about it.
Maybe turn it on again at some point before the next major emacs upgrade
#+begin_src emacs-lisp
(setq byte-compile-warnings '(cl-functions))
#+end_src

* Performance Optimization

** Garbage Collection
Make startup faster by reducing the frequency of garbage collection.
Set gc-cons-threshold (default is 800kb) to maximum value available, to prevent any garbage collection from happening during load time.

#+BEGIN_SRC emacs-lisp :tangle early-init.el
(setq gc-cons-threshold most-positive-fixnum)
#+END_SRC

Restore it to reasonable value after init. Also stop garbage collection during minibuffer interaction (helm etc.)

#+begin_src emacs-lisp
(defconst 1mb 1048576)
(defconst 20mb 20971520)
(defconst 30mb 31457280)
(defconst 50mb 52428800)

(defun me/defer-garbage-collection ()
  (setq gc-cons-threshold most-positive-fixnum))

(defun me/restore-garbage-collection ()
  (run-at-time 1 nil (lambda () (setq gc-cons-threshold 30mb))))

(add-hook 'emacs-startup-hook 'me/restore-garbage-collection 100)
(add-hook 'minibuffer-setup-hook 'me/defer-garbage-collection)
(add-hook 'minibuffer-exit-hook 'me/restore-garbage-collection)

(setq read-process-output-max 1mb)  ;; lsp-mode's performance suggest
#+end_src

** File Handler
#+begin_src emacs-lisp :tangle early-init.el
(defvar default-file-name-handler-alist file-name-handler-alist)
(setq file-name-handler-alist nil)

(add-hook 'emacs-startup-hook
          (lambda ()
            (setq file-name-handler-alist default-file-name-handler-alist)) 100)
#+end_src

** Others
#+begin_src emacs-lisp :tangle early-init.el
;; Resizing the emacs frame can be a terriblu expensive part of changing the font.
;; By inhibiting this, we easily hale startup times with fonts that are larger
;; than the system default.
(setq frame-inhibit-implied-resize t)
#+end_src
* Default settings
:PROPERTIES:
:ID:       3512d679-d111-4ccd-8372-6fc2acbc0374
:END:
** paths
#+BEGIN_SRC emacs-lisp
(defconst *sys/gui*
  (display-graphic-p)
  "Is emacs running in a gui?")

(defconst *sys/linux*
  (string-equal system-type 'gnu/linux)
  "Is the system running Linux?")

(defconst *sys/windows*
  (string-equal system-type 'windows-nt)
  "Is the system running Windows?")

(defconst *home_desktop*
  (string-equal (system-name) "marc")
  "Is emacs running on my desktop?")

(defconst *home_laptop*
  (string-equal (system-name) "laptop")
  "Is emacs running on my laptop?")

(defconst *work_local*
  (string-equal (system-name) "PMPCNEU08")
  "Is emacs running at work on the local system?")

(defconst *work_remote*
  (string-equal (system-name) "PMTS01")
  "Is emacs running at work on the remote system?")
#+END_SRC

#+BEGIN_SRC emacs-lisp
(defvar MY--PATH_USER_LOCAL  (concat user-emacs-directory "user-local/"))
(defvar MY--PATH_USER_GLOBAL (concat user-emacs-directory "user-global/"))

(add-to-list 'custom-theme-load-path (concat MY--PATH_USER_GLOBAL "themes"))

(when *sys/linux*
  (defconst MY--PATH_ORG_FILES        (expand-file-name "~/Archiv/Organisieren/"))
  (defconst MY--PATH_ORG_FILES_MOBILE (expand-file-name "~/Archiv/Organisieren/mobile/")))
  (defconst MY--PATH_ORG_JOURNAl      (expand-file-name "~/Archiv/Organisieren/Journal/"))
(when *work_remote*
  (defconst MY--PATH_ORG_FILES        "p:/Eigene Dateien/Notizen/")
  (defconst MY--PATH_ORG_FILES_MOBILE nil)  ;; hacky way to prevent "free variable" compiler error
  (defconst MY--PATH_ORG_JOURNAL      nil)  ;; hacky way to prevent "free variable" compiler error
  (defconst MY--PATH_START            "p:/Eigene Dateien/Notizen/"))

(setq custom-file (concat MY--PATH_USER_LOCAL "custom.el"))  ;; don't spam init.e with saved customization settings
(setq backup-directory-alist `((".*" . ,temporary-file-directory)))
(setq auto-save-file-name-transforms `((".*" ,temporary-file-directory)))
#+end_src

** sane defaults
#+begin_src emacs-lisp
(setq-default create-lockfiles nil) ;; disable lock files, can cause trouble in e.g. lsp-mode
(defalias 'yes-or-no-p 'y-or-n-p) ;; answer with y and n
(setq custom-safe-themes t) ;; don't ask me if I want to load a theme
(setq sentence-end-double-space nil) ;; don't coun two spaces after a period as the end of a sentence.
(delete-selection-mode t)  ;; delete selected region when typing
(use-package saveplace
  :config
  (save-place-mode 1)  ;; saves position in file when it's closed
  :custom
  (save-place-file (concat MY--PATH_USER_LOCAL "places")))
(setq save-place-forget-unreadable-files nil)  ;; checks if file is readable before saving position
(global-set-key (kbd "RET") 'newline-and-indent)  ;; indent after newline
(setq save-interprogram-paste-before-kill t)  ;; put replaced text into killring
#+END_SRC

** Browser
#+begin_src emacs-lisp
(setq browse-url-function 'browse-url-generic
      browse-url-generic-program "firefox")
#+end_src
* Appearance
** Defaults
#+begin_src emacs-lisp
(set-charset-priority 'unicode)
(setq-default locale-coding-system 'utf-8
              default-process-coding-system '(utf-8-unix . utf-8-unix))
(set-terminal-coding-system 'utf-8)
(set-keyboard-coding-system 'utf-8)
(set-selection-coding-system 'utf-8)
(if *sys/windows*
    (prefer-coding-system 'utf-8-dos)
  (prefer-coding-system 'utf-8))

(setq-default bidi-paragraph-direction 'left-to-right
              bidi-inhibit-bpa t                      ;; both settings reduce line rescans
              uniquify-buffer-name-style 'forward
              indent-tabs-mode nil                    ;; avoid tabs in place of multiple spaces (they look bad in tex)
              indicate-empty-lines t                  ;; show empty lines
              scroll-margin 5                         ;; smooth scrolling
              scroll-conservatively 10000
              scroll-preserve-screen-position 1
              scroll-step 1
              ring-bell-function 'ignore              ;; disable pc speaker bell
              visible-bell t)
(global-hl-line-mode t)                               ;; highlight current line
(blink-cursor-mode -1)                                ;; turn off blinking cursor
(column-number-mode t)
#+end_src

** Remove redundant UI
#+begin_src emacs-lisp :tangle early-init.el
(menu-bar-mode -1)    ;; disable menu bar
(tool-bar-mode -1)    ;; disable tool bar
(scroll-bar-mode -1)  ;; disable scroll bar
#+end_src

** Font
   :PROPERTIES:
   :ID:       dc8eb670-e6bb-4bfb-98f0-aae1860234fb
   :END:
#+BEGIN_SRC emacs-lisp
(when *sys/linux*
  (set-face-font 'default "Hack-10"))
(when *work_remote*
  (set-face-font 'default "Lucida Sans Typewriter-11"))
#+END_SRC

** Themes
   :PROPERTIES:
   :ID:       9ccf37c0-6837-43cb-bed8-5a353799d8b1
   :END:

#+BEGIN_SRC emacs-lisp
(defun me/toggle-theme ()
  (interactive)
  (when (or *sys/windows* *sys/linux*)
    (if (eq (car custom-enabled-themes) 'tango-dark)
        (progn (disable-theme 'tango-dark)
               (load-theme 'tango))
      (progn
        (disable-theme 'tango)
        (load-theme 'tango-dark)))))

(bind-key "C-c t" 'me/toggle-theme)
#+END_SRC

Windows Theme:
#+BEGIN_SRC emacs-lisp
(when *sys/windows*
  (load-theme 'tango))
(when *sys/linux*
  (load-theme 'plastic))
#+END_SRC

** line wrappings
   :PROPERTIES:
   :ID:       14ae933e-2941-4cc3-82de-38f90f91bfd3
   :END:
#+BEGIN_SRC emacs-lisp
(global-visual-line-mode)
(diminish 'visual-line-mode)
(use-package adaptive-wrap
  :ensure t
  :hook
  (visual-line-mode . adaptive-wrap-prefix-mode))
  ;  :init
  ;  (when (fboundp 'adaptive-wrap-prefix-mode)
  ;    (defun me/activate-adaptive-wrap-prefix-mode ()
  ;      "Toggle `visual-line-mode' and `adaptive-wrap-prefix-mode' simultaneously."
  ;      (adaptive-wrap-prefix-mode (if visual-line-mode 1 -1)))
  ;    (add-hook 'visual-line-mode-hook 'me/activate-adaptive-wrap-prefix-mode)))
#+END_SRC

** line numbers
   :PROPERTIES:
   :ID:       7b969436-98c9-4b61-ba7a-9fb22c9781ad
   :END:
#+BEGIN_SRC emacs-lisp
(use-package display-line-numbers
  :init
  :hook
  ((prog-mode
    org-src-mode) . display-line-numbers-mode)
  :config
  (setq-default display-line-numbers-type 'visual
                display-line-numbers-current-absolute t
                display-line-numbers-with 4
                display-line-numbers-widen t))
#+END_SRC

** misc
   :PROPERTIES:
   :ID:       a2873138-16ee-4990-89a2-26eab778ea74
   :END:
#+BEGIN_SRC emacs-lisp
(use-package rainbow-mode
  :ensure t
  :diminish
  :hook
  ((org-mode
    emacs-lisp-mode) . rainbow-mode))

(use-package delight
  :ensure t)

(show-paren-mode t) ;; show other part of brackets
(setq blink-matching-paren nil)  ;; not necessary with show-paren-mode, bugs out on C-s counsel-line
(use-package rainbow-delimiters
  :ensure t
  :hook
  (prog-mode . rainbow-delimiters-mode))
#+END_SRC

* Bookmarks
Usage:
- C-x r m (bookmark-set): add bookmark
- C-x r l (list-bookmark): list bookmarks
- C-x r b (bookmark-jump): open bookmark

Edit bookmarks (while in bookmark file):
- d: mark current item
- x: delete marked items
- r: rename current item
- s: save changes

#+begin_src emacs-lisp
(use-package bookmark
  :custom
  (bookmark-default-file (concat MY--PATH_USER_LOCAL "bookmarks")))
#+end_src

Some windows specific stuff
#+BEGIN_SRC emacs-lisp
(when *sys/windows*
  (remove-hook 'find-file-hook 'vc-refresh-state)
;  (progn
;    (setq gc-cons-threshold (* 511 1024 1024)
;          gc-cons-percentage 0.5
;          garbage-collection-messages t)
;    (run-with-idle-timer 5 t #'garbage-collect))
  (when (boundp 'w32-pipe-read-delay)
    (setq w32-pipe-read-delay 0))
  (when (boundp 'w32-get-true-file-attributes)
    (setq w32-get-true-file-attributes nil)))
#+END_SRC

* recentf
Exclude some dirs from spamming recentf
#+begin_src emacs-lisp
(use-package recentf
  :config
  (recentf-mode)
  :custom
  (recentf-exclude '(".*-autoloads\\.el\\'"
                      "[/\\]\\elpa/"
                      "COMMIT_EDITMSG\\'"))
  (recentf-save-file (concat MY--PATH_USER_LOCAL "recentf"))
  (recentf-max-menu-items 600)
  (recentf-max-saved-items 600))
#+end_src

* savehist
#+begin_src emacs-lisp
(use-package savehist
  :config
  (savehist-mode)
  :custom
  (savehist-file (concat MY--PATH_USER_LOCAL "history")))
#+end_src
* undo
  :PROPERTIES:
  :ID:       d57621b2-5472-4c89-a520-b4133db0b9af
  :END:
#+BEGIN_SRC emacs-lisp
(use-package undo-tree
  :ensure t
  :diminish undo-tree-mode
  :init
  (global-undo-tree-mode 1))
#+END_SRC

* ace-window
#+begin_src emacs-lisp
(use-package ace-window
  :ensure t
  :bind
  (:map global-map
        ("C-x o" . ace-window)))
#+end_src

* imenu-list
  :PROPERTIES:
  :ID:       0ae27ec9-5d77-43cf-ac76-5e12cc959046
  :END:
   A minor mode to show imenu in a sidebar.
   Call imenu-list-smart-toggle.
   [[https://github.com/bmag/imenu-list][Source]]

#+BEGIN_SRC emacs-lisp
(use-package imenu-list
  :ensure t
  :demand t  ; otherwise mode loads too late and won't work on first file it's being activated on
  :config
  (setq imenu-list-focus-after-activation t
        imenu-list-auto-resize t
        imenu-list-position 'right)
  :bind
  (:map global-map
        ([f9]  . imenu-list-smart-toggle))
  :custom
  (org-imenu-depth 4))
#+END_SRC

* which-key
  :PROPERTIES:
  :ID:       a880f079-b3a3-4706-bf1e-5f6c680101f1
  :END:
#+BEGIN_SRC emacs-lisp
(use-package which-key
  :ensure t
  :diminish which-key-mode
  :defer t
  :hook
  (after-init . which-key-mode)
  :config
  (which-key-setup-side-window-bottom)
  (setq which-key-idle-delay 0.5))
#+END_SRC

* abbrev
#+begin_src emacs-lisp
(use-package abbrev
  :diminish abbrev-mode
  :hook
  ((text-mode org-mode) . abbrev-mode)
  :init
  (setq abbrev-file-name (concat MY--PATH_USER_GLOBAL "abbrev_tables.el"))
  :config
  (if (file-exists-p abbrev-file-name)
      (quietly-read-abbrev-file))
  (setq save-abbrevs 'silently))  ;; don't bother me with asking for abbrev saving
#+end_src
* Evil
  :PROPERTIES:
  :ID:       80ca70e2-a146-46db-b581-418d655dc1fc
  :END:

#+BEGIN_SRC emacs-lisp
(use-package evil
  :ensure t
  :defer .1 ;; don't block emacs when starting, load evil immediately after startup
  :config
  (evil-mode 1))
#+END_SRC

* General (key mapper)
  :PROPERTIES:
  :ID:       a20f183f-d41a-4dff-bc37-3bc4e25c8036
  :END:
#+BEGIN_SRC emacs-lisp
(use-package general
  :ensure t)

(general-define-key
 :states 'normal
 :keymaps 'imenu-list-major-mode-map
 "RET" '(imenu-list-goto-entry :which-key "goto")
 "TAB" '(hs-toggle-hiding :which-key "collapse")
 "d" '(imenu-list-display-entry :which-key "show")
 "q" '(imenu-list-quit-window :which-key "quit"))
#+END_SRC

* Selectrum & Co.
Uses default features of emacs instead of bringing a new framework in like helm or counsel
#+begin_src emacs-lisp
;; either selectrum or vertico
(use-package selectrum
  :ensure t
  :config
  (selectrum-mode)
 )

;; as of 2021-10-29 debian emacs 27.1 seems to cause error
;; error in post-command-hook (vertico--exhibit): (wrong-type-argument .....)
;; see https://github.com/minad/vertico/issues/41
;(use-package vertico
;  :ensure t
;  :init
;  (vertico-mode))

;; orderless orders by recency
;; prescient orders by frequency
;; both combined order by frecency (most recent first, then by frequency, then by length)
(use-package orderless
  :ensure t
  :config
  ;; optional performance optimizaion
  ;; by highlighting only visible candidates
  (setq orderless-skip-highlighting (lambda () selectrum-is-active)
        selectrum-highlight-candidates-function #'orderless-highlight-matches
        completion-category-defaults nil
        completion-category-overrides '((file (styles . (partial-completion)))))
  :custom
  (completion-styles '(orderless))
  )

(use-package selectrum-prescient
  :ensure t
  :config
  (setq selectrum-prescient-enable-filtering nil)  ; only if used with orderless
  (selectrum-prescient-mode)
  (prescient-persist-mode)
  )

(use-package consult
  :ensure t
  :bind
  (("C-x C-r" . consult-recent-file)
   ("C-x b" . consult-buffer)
   ("C-s" . consult-line))
  )

;; shows descriptions in M-x
(use-package marginalia
  :ensure t
  :config
  (marginalia-mode)
  :custom
  ;; switch by 'marginalia-cycle
  (marginalia-annotators '(marginalia-annotators-heavy
                           marginalia-annotators-light
                           nil))
  )

;; do stuff on minibuffer results
(use-package embark
  :ensure t
  :bind
  (("C-S-a" . embark-act)
   ("C-h B" . embark-bindings))
  :init
  (setq prefix-help-command #'embark-prefix-help-command)
  :config
  ;; for selectrum
  ;; (defun current-candidate+category ()
  ;;   (when selectrum-is-active
  ;;     (cons (selectrum--get-meta 'category)
  ;;           (selectrum-get-current-candidate))))
  ;; (add-hook 'embark-target-finders #'current-candidate+category)

  ;; (defun current-candidates+category ()
  ;;   (when selectrum-is-active
  ;;     (cons (selectrum--get-meta 'category)
  ;;           (selectrum-get-current-candidates
  ;;            ;; pass relative file names for dired.
  ;;            minibuffer-completing-file-name))))
  ;; (add-hook 'embark-candidate-collectors #'current-candidates+category)

  ;; ;; no unnecessary computation delay after injection.
  ;; (add-hook 'embark-setup-hook 'selectrum-set-selected-candidate)
  ;; hide modeline of the embark live/completions buffers
  (add-to-list 'display-buffer-alist
               '("\\`\\*Embark Collect \\(Live\\|Completions\\)\\*"
                 nil
                 (window-parameters (mode-line-format . none))))
)

(use-package embark-consult
  :ensure t
  :after (embark consult)
  :demand t
  :hook
  (embark-collect-mode . embark-consult-preview-minor-mode))
#+end_src

* Helm
As an alternative if I'm not happy with selectrum & co
#+begin_src emacs-lisp
(use-package helm
  :ensure t
  :hook
  (helm-mode . helm-autoresize-mode)
  ;; :bind
  ;; (("M-x" . helm-M-x)
  ;;  ("C-s" . helm-occur)
  ;;  ("C-x C-f" . helm-find-files)
  ;;  ("C-x C-b" . helm-buffers-list)
  ;;  ("C-x b" . helm-buffers-list)
  ;;  ("C-x C-r" . helm-recentf)
  ;;  ("C-x C-i" . helm-imenu))
  :config
  (helm-mode)
  :custom
  (helm-split-window-inside-p t)  ;; open helm buffer inside current window
  (helm-move-to-line-cycle-in-source t)
  (helm-echo-input-in-header-line t)
  (helm-autoresize-max-height 20)
  (helm-autoresize-min-height 5)
  )
#+end_src

* ivy / counsel / swiper
  :PROPERTIES:
  :ID:       55c74ba9-7761-4545-8ddd-087d6ee33e4b
  :END:

+BEGIN_SRC emacs-lisp
;  (require 'ivy)
(use-package ivy
  :ensure t
  :diminish
  (ivy-mode . "")
  :defer t
  :init
  (ivy-mode 1)
  :bind
  ("C-r" . ivy-resume)             ;; overrides isearch-backwards binding
  :config
  (setq ivy-use-virtual-buffers t  ;; recent files and bookmarks in ivy-switch-buffer
	ivy-height 20              ;; height of ivy window
	ivy-count-format "%d/%d"   ;; current and total number
	ivy-re-builders-alist      ;; regex replaces spaces with *
	'((t . ivy--regex-plus))))

; make counsel-M-x more descriptive
(use-package ivy-rich
  :ensure t
  :defer t
  :init
  (ivy-rich-mode 1))

(use-package counsel
  :ensure t
  :defer t
  :bind
  (("M-x" . counsel-M-x)
   ("C-x C-f" . counsel-find-file)
   ("C-x C-r" . counsel-recentf)
   ("C-x b"   . counsel-switch-buffer)
   ("C-c C-f" . counsel-git)
   ("C-c h f" . counsel-describe-function)
   ("C-c h v" . counsel-describe-variable)
   ("M-i" . counsel-imenu)))
;   :map minibuffer-local-map ;;currently mapped to evil-redo
;   ("C-r"     . 'counsel-minibuffer-history)))

(use-package swiper
  :ensure t
  :bind
  ("C-s" . swiper))

(use-package ivy-hydra
  :ensure t)
+END_SRC

* misc
#+begin_src emacs-lisp
(use-package autorevert
  :diminish auto-revert-mode)
#+end_src

* company
  :PROPERTIES:
  :ID:       944563b6-b04a-44f2-9b21-a6a3e200867c
  :END:
#+BEGIN_SRC emacs-lisp
(use-package company
  :defer 1
  :diminish
  :defer t
  :bind
  (("C-<tab>" . company-complete)
   :map company-active-map
   ("RET" . nil)
   ([return] . nil)
   ("TAB" . company-complete-selection)
   ([tab] . company-complete-selection)
   ("<right>" . company-complete-common)
   ("<escape>" . company-abort))
  :hook
  (after-init . global-company-mode)
  (emacs-lisp-mode . me/company-elisp)
  (org-mode . me/company-org)
  :config
  (defun me/company-elisp ()
    (message "set up company for elisp")
    (set (make-local-variable 'company-backends)
         '(company-capf   ;; capf needs to be before yasnippet, or lsp fucks up completion for elisp
           company-yasnippet
           company-dabbrev-code
           company-files)))
  (defun me/company-org ()
    (set (make-local-variable 'company-backends)
         '(company-capf company-files))
 ;;   (add-hook 'completion-at-point-functions 'pcomplete-completions-at-point nil t)
    (message "setup company for org"))
  (setq company-idle-delay .2
        company-minimum-prefix-length 1
        company-require-match nil
        company-show-numbers t
        company-tooltip-align-annotations t))

(use-package company-statistics
  :ensure t
  :after company
  :defer t
  :init
  (setq company-statistics-file (concat MY--PATH_USER_LOCAL "company-statistics-cache.el"));~/.emacs.d/user-dir/company-statistics-cache.el")
  :config
  (company-statistics-mode 1))

(use-package company-dabbrev
  :ensure nil
  :after company
  :defer t
  :config
  (setq-default company-dabbrev-downcase nil))

;; adds a info box right of the cursor with doc of the function
(use-package company-box
  :ensure t
  :diminish
  :defer t
  :hook
  (company-mode . company-box-mode))
;  :init
;  (add-hook 'company-mode-hook 'company-box-mode))
#+END_SRC 

* orgmode
** org
   :PROPERTIES:
   :ID:       b89d7639-080c-4168-8884-bd5d8965f466
   :END:
#+BEGIN_SRC emacs-lisp
(use-package org
  :ensure org-plus-contrib
  :mode (("\.org$" . org-mode))
  :diminish org-indent-mode
  :defer t
  :hook
  (org-mode . org-indent-mode)
  (org-source-mode . smartparens-mode)
;  :init
;  (add-hook 'org-mode-hook 'company/org-mode-hook)
;  (add-hook 'org-src-mode-hook 'smartparens-mode)
;  (add-hook 'org-mode-hook 'org-indent-mode)
  :config
  (defun me/org-company ()
    (set (make-local-variable 'company-backends)
         '(company-capf company-files))
    (add-hook 'completion-at-point-functions 'pcomplete-completions-at-point nil t)
    (message "company/org-mode-hook"))
  (setq org-modules (quote (org-id
                            org-habit
                            org-tempo  ;; easy templates
                            )))
  (setq org-default-notes-file (concat MY--PATH_ORG_FILES "notes.org")
        org-agenda-files (list (concat MY--PATH_ORG_FILES "notes.org")
                               (concat MY--PATH_ORG_FILES "projects.org")
                               (concat MY--PATH_ORG_FILES "tasks.org")))
  (when *sys/linux*
    (nconc org-agenda-files
           (directory-files-recursively MY--PATH_ORG_FILES_MOBILE "\\.org$")))
  (setq org-id-locations-file (concat MY--PATH_USER_LOCAL ".org-id-locations")
        org-log-into-drawer "LOGBOOK")

  ;; some display customizations
  (setq org-pretty-entities t
        org-startup-truncated t
        org-startup-align-all-tables t)

  ;; some source code blocks customizations
  (setq org-src-window-setup 'current-window ;; C-c ' opens in current window
        org-src-fontify-natively t ;; use syntax highlighting in code blocks
        org-src-preserve-indentation t ;; no extra indentation
        org-src-tab-acts-natively t)

  (setq org-log-done 'time))  ;; create timestamp when task is done
#+END_SRC

** languages
   :PROPERTIES:
   :ID:       ad3af718-d0db-448c-9f75-eb9e250c2862
   :END:
Set some languages and disable confirmation for evaluating code blocks C-c C-c

+BEGIN_SRC emacs-lisp
(org-babel-do-load-languages
 'org-babel-load-languages
 '((emacs-lisp . t)
   (gnuplot . t)
   (js . t)
   (latex . t)
   (lisp . t)
   (python . t)
   (shell . t)
   (sqlite . t)
   (org . t)
   (R . t)
   (scheme . t)))

(setq org-confirm-babel-evaluate nil)
+END_SRC
Another setup, because org-babel-do-load-languages requires eager loading
#+begin_src emacs-lisp
(use-package ob-org
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:org
   org-babel-expand-body:org))

(use-package ob-python
  :defer t
  :ensure org-plus-contrib
  :commands (org-babel-execute:python))

(use-package ob-js
  :defer t
  :ensure org-plus-contrib
  :commands (org-babel-execute:js))

(use-package ob-shell
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:sh
   org-babel-expand-body:sh

   org-babel-execute:bash
   org-babel-expand-body:bash))

(use-package ob-emacs-lisp
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:emacs-lisp
   org-babel-expand-body:emacs-lisp))

(use-package ob-lisp
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:lisp
   org-babel-expand-body:lisp))

(use-package ob-gnuplot
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:gnuplot
   org-babel-expand-body:gnuplot))

(use-package ob-sqlite
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:sqlite
   org-babel-expand-body:sqlite))

(use-package ob-latex
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:latex
   org-babel-expand-body:latex))

(use-package ob-R
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:R
   org-babel-expand-body:R))

(use-package ob-scheme
  :defer t
  :ensure org-plus-contrib
  :commands
  (org-babel-execute:scheme
   org-babel-expand-body:scheme))
#+end_src

** habits
   :PROPERTIES:
   :ID:       fcc91d0a-d040-4910-b2cf-3221496a3842
   :END:
#+BEGIN_SRC emacs-lisp
(require 'org-habit)  ;;TODO Lösung ohne require finden, scheint mir nicht ideal zu sein, nur um ein org-modul zu aktivieren
;;  (add-to-list 'org-modules "org-habit")
(setq org-habit-graph-column 80
      org-habit-preceding-days 30
      org-habit-following-days 7
      org-habit-show-habits-only-for-today nil)
#+END_SRC

** org-id
   :PROPERTIES:
   :ID:       c4017c45-d650-410c-8bd4-bc3cf42bbbb9
   :END:
Currently it causes some debugger errors "not a standard org time string", so it's disabled
#+BEGIN_SRC emacs-lisp
;;  (use-package org-id
;;    :config
;;    (setq org-id-link-to-org-use-id t)
;;    (org-id-update-id-locations))  ;; update id file .org-id-locations on startup
#+END_SRC

** org-agenda
   :PROPERTIES:
   :ID:       03b67efb-4179-41e5-bc2e-c472b13f8be6
   :END:
Custom keywords, depending on environment
#+BEGIN_SRC emacs-lisp
(when *work_remote*
  (setq org-todo-keywords
        '((sequence "OPEN" "TODO" "UNCLEAR" "|" "DONE" "IMPOSSIBLE" "CANCELLED"))))
#+END_SRC

Add some key bindings
#+BEGIN_SRC emacs-lisp
(bind-key "C-c l" 'org-store-link)
(bind-key "C-c c" 'org-capture)
(bind-key "C-c a" 'org-agenda)
#+END_SRC

Sort agenda by deadline and priority
#+BEGIN_SRC emacs-lisp
(setq org-agenda-sorting-strategy
      (quote
       ((agenda deadline-up priority-down)
        (todo priority-down category-keep)
        (tags priority-down category-keep)
        (search category-keep))))
#+END_SRC

Customize the org agenda
#+BEGIN_SRC emacs-lisp
(defun me--org-skip-subtree-if-priority (priority)
  "Skip an agenda subtree if it has a  priority of PRIORITY.

   PRIORITY may be one of the characters ?A, ?B, or ?C."
  (let ((subtree-end (save-excursion (org-end-of-subtree t)))
        (pri-value (* 1000 (- org-lowest-priority priority)))
        (pri-current (org-get-priority (thing-at-point 'line t))))
    (if (= pri-value pri-current)
        subtree-end
      nil)))

(setq org-agenda-custom-commands
      '(("c" "Simple agenda view"
         ((tags "PRIORITY=\"A\""
                ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                 (org-agenda-overriding-header "Hohe Priorität:")))
          (agenda ""
                  ((org-agenda-span 7)
                   (org-agenda-start-on-weekday nil)
                   (org-agenda-overriding-header "Nächste 7 Tage:")))
          (alltodo ""
                   ((org-agenda-skip-function '(or (me--org-skip-subtree-if-priority ?A)
                                                   (org-agenda-skip-if nil '(scheduled deadline))))
                    (org-agenda-overriding-header "Sonstige Aufgaben:")))))))
#+END_SRC

** *TODO*
org-super-agenda

** org-caldav
   :PROPERTIES:
   :ID:       6bd24369-0d04-452f-85a0-99914dfb74ff
   :END:
Vorerst deaktiviert, Nutzen evtl. nicht vorhanden
#+BEGIN_SRC emacs-lisp
;;(use-package org-caldav
;;  :ensure t
;;  :config
;;  (setq org-caldav-url "https://nextcloud.cloudsphere.duckdns.org/remote.php/dav/calendars/marc"
;;        org-caldav-calendar-id "orgmode"
;;        org-caldav-inbox (expand-file-name "~/Archiv/Organisieren/caldav-inbox")
;;        org-caldav-files (concat MY--PATH_ORG_FILES "tasks")))
#+END_SRC

** journal
   :PROPERTIES:
   :ID:       a1951e18-d862-4198-9652-016e979053c8
   :END:
[[https://github.com/bastibe/org-journal][Source]]

#+BEGIN_SRC emacs-lisp
(use-package org-journal
  :if *sys/linux*
  :ensure t
  :defer t
  :config
  ;; feels hacky, but this way compiler error "assignment to free variable" disappears
  (when (and (boundp 'org-journal-dir)
             (boundp 'org-journal-enable-agenda-integration))
    (setq org-journal-dir MY--PATH_ORG_JOURNAl
          org-journal-enable-agenda-integration t)))
#+END_SRC

* Programming
** misc
#+begin_src emacs-lisp
(use-package eldoc
  :diminish eldoc-mode
  :defer t)
#+end_src

** Magit / Git
   :PROPERTIES:
   :ID:       d3589460-317f-40f6-9056-053be9ba3217
   :END:
Little crash course in magit:
- magit-init to init a git project
- magit-status (C-x g) to call the status window
In status buffer:
- s   stage files
- u   unstage files
- U   unstage all files
- a   apply changes to staging
- c c commit (type commit message, then C-c C-c to commit)
- b b switch to another branch
- P u git push
- F u git pull

#+BEGIN_SRC emacs-lisp
(use-package magit
  :ensure t
  :defer t
  :init
                                        ; set git-path in work environment
  (if (string-equal user-login-name "POH")
      (setq magit-git-executable "P:/Eigene Dateien/Tools/Git/bin/git.exe")
    )
  :bind (("C-x g" . magit-status)))
#+END_SRC

** LSP
   :PROPERTIES:
   :ID:       06ad00e0-44a6-4bfb-ba6f-b1672811e053
   :END:
Configuration for the language server protocol
*ACHTUNG* Dateipfad muss absolut sein, symlink im Pfad führt zumindest beim ersten Start zu Fehlern beim lsp
Sobald der lsp einmal lief, kann zukünftig der symlink-Pfad genommen werden.
Getestet wurde die funktionierende Datei selbst und neu erstellte Dateien im selben Pfad.
TODO Unterverzeichnisse wurden noch nicht getestet

#+BEGIN_SRC emacs-lisp
(setq read-process-output-max (* 1024 1024))  ;; support reading large blobs of data for LSP's sake

(use-package lsp-mode
  :defer t
  :commands (lsp lsp-execute-code-action)
  :custom
  (lsp-auto-guess-root nil)
  (lsp-prefer-flymake nil)        ; use flycheck instead
  (lsp-prefer-capf t)
  (lsp-file-watch-threshold 5000)
  (lsp-print-performance t)
  (lsp-log-io nil)                ; enable log only for debug
  (lsp-enable-folding t)          ; default, maybe evil-matchit instead for performance?
  (lsp-diagnostics-modeline-scope :project)
  (lsp-enable-file-watchers nil)
  (lsp-session-file (concat MY--PATH_USER_LOCAL "lsp-session"))
  (lsp-eslint-library-choices-file (concat MY--PATH_USER_LOCAL "lsp-eslint-choices"))
  :bind (:map lsp-mode-map ("C-c C-f" . lsp-format-buffer))
  :hook
  (((python-mode
     js-mode
     js2-mode
     typescript-mode
     web-mode
     ) . lsp-deferred)
   (lsp-mode . lsp-enable-which-key-integration)
   (lsp-mode . lsp-diagnostics-modeline-mode)
   (web-mode . #'lsp-flycheck-enable))  ;; enable flycheck-lsp for web-mode locally
  :config
  (setq lsp-diagnostics-package :none))              ; disable flycheck-lsp for most modes

  ;;  (add-hook 'web-mode-hook #'lsp-flycheck-enable))  ; enable flycheck-lsp for web-mode locally

(use-package lsp-ui
  :after lsp-mode
  :ensure t
  :defer t
  :diminish
  :commands lsp-ui-mode
  :config
  (setq lsp-ui-doc-enable t
        lsp-ui-doc-header t
        lsp-ui-doc-include-signature t
        lsp-ui-doc-position 'top
        lsp-ui-doc-border (face-foreground 'default)
        lsp-ui-sideline-enable t
        lsp-ui-sideline-ignore-duplicate t
        lsp-ui-sideline-show-code-actions nil)
  (when *sys/gui*
    (setq lsp-ui-doc-use-webkit t))
  ;; workaround hide mode-line of lsp-ui-imenu buffer
  (defadvice lsp-ui-imenu (after hide-lsp-ui-imenu-mode-line activate)
    (setq mode-line-format nil)))

;;NO LONGER SUPPORTED, USE company-capf / completion-at-point
;(use-package company-lsp
;  :requires company
;  :defer t
;  :ensure t
;  :config
;  ;;disable client-side cache because lsp server does a better job
;  (setq company-transformers nil
;        company-lsp-async t
;        company-lsp-cache-candidates nil))
#+END_SRC

** yasnippet
   :PROPERTIES:
   :ID:       935d89ef-645e-4e92-966f-2fe3bebb2880
   :END:
For useful snippet either install yasnippet-snippets or get them from here
[[https://github.com/AndreaCrotti/yasnippet-snippets][Github]]

#+begin_src emacs-lisp
(use-package yasnippet
  :ensure t
  :defer t
  :diminish yas-minor-mode
  :config
  (setq yas-snippet-dirs (list (concat MY--PATH_USER_GLOBAL "snippets")))
  (yas-global-mode t)
  (yas-reload-all)
  (unbind-key "TAB" yas-minor-mode-map)
  (unbind-key "<tab>" yas-minor-mode-map))
#+end_src

** hippie expand
   :PROPERTIES:
   :ID:       c55245bc-813d-4816-a0ca-b4e2e793e28b
   :END:
With hippie expand I am able to use yasnippet and emmet at the same time with the same key.
#+begin_src emacs-lisp
(use-package hippie-exp
  :defer t
  :bind
  ("C-<return>" . hippie-expand)
  :config
  (setq hippie-expand-try-functions-list
        '(yas-hippie-try-expand emmet-expand-line)))
#+end_src

** flycheck
   :PROPERTIES:
   :ID:       3d8f2547-c5b3-46d0-91b0-9667f9ee5c47
   :END:
#+BEGIN_SRC emacs-lisp
(use-package flycheck
  :ensure t
  :hook
  ((css-mode . flycheck-mode)
   (emacs-lisp-mode . flycheck-mode)
   (python-mode . flycheck-mode))
  :defer 1.0
  :init
  (setq flycheck-emacs-lisp-load-path 'inherit)
  :config
  (setq-default
   flycheck-check-synta-automatically '(save mode-enabled)
   flycheck-disable-checkers '(emacs-lisp-checkdoc)
   eldoc-idle-delay .1                ;; let eldoc echo faster than flycheck
   flycheck-display-errors-delay .3)) ;; this way any errors will override eldoc messages
#+END_SRC

** Projectile
   :PROPERTIES:
   :ID:       a90329fd-4d36-435f-8308-a2771ac4c320
   :END:
Manage projects and jump quickly between its files
#+BEGIN_SRC emacs-lisp
(use-package projectile
  :ensure t
;  :defer 1.0
  :diminish
  :bind
  (("C-c p" . projectile-command-map))
  ;:preface
  :init
  (setq-default projectile-cache-file (concat MY--PATH_USER_LOCAL "projectile-cache")
                projectile-known-projects-file (concat MY--PATH_USER_LOCAL "projectile-bookmarks"))
  :config
  (projectile-mode)
;  (add-hook 'projectile-after-switch-project-hook #'set-workon_home)
  (setq-default projectile-completion-system 'ivy
                projectile-enable-caching t
                projectile-mode-line '(:eval (projectile-project-name))))

;; requires ripgrep on system for rg functions
;(use-package counsel-projectile
;  :ensure t
;  :config (counsel-projectile-mode)  (setq ivy-use-virtual-buffers t  ;; recent files and bookmarks in ivy-switch-buffer)

(use-package helm-projectile
  :ensure t
  :hook
  (projectile-mode . helm-projectile))
#+END_SRC

** smartparens
   :PROPERTIES:
   :ID:       997ec416-33e6-41ed-8c7c-75a7bc47d285
   :END:
#+BEGIN_SRC emacs-lisp
(use-package smartparens
  :ensure t
  :diminish smartparens-mode
  :bind
  (:map smartparens-mode-map
        ("C-M-f"           . sp-forward-sexp)
        ("C-M-b"           . sp-backward-sexp)
        ("C-M-a"           . sp-backward-down-sexp)
        ("C-M-e"           . sp-up-sexp)
        ("C-M-w"           . sp-copy-sexp)
        ("M-k"             . sp-kill-sexp)
        ("C-M-<backspace>" . sp-slice-sexp-killing-backward)
        ("C-S-<backspace>" . sp-slice-sexp-killing-around)
        ("C-]"             . sp-select-next-thing-exchange))
  :config
  (setq sp-show-pair-from-inside nil
        sp-escape-quotes-after-insert nil)
  (require 'smartparens-config))
  
#+END_SRC

** lisp
   :PROPERTIES:
   :ID:       a2bc3e08-b203-49d3-b337-fb186a14eecb
   :END:
#+BEGIN_SRC emacs-lisp
(use-package elisp-mode
  :defer t)
#+END_SRC

** web
:PROPERTIES:
:ID:       c0b0b4e4-2162-429f-b80d-6e5334b1290e
:END:
  
apt install npm
sudo npm install -g vscode-html-languageserver-bin
evtl alternativ typescript-language-server?

Unter Windows:
Hier runterladen: https://nodejs.org/dist/latest/
und in ein Verzeichnis entpacken.
Optional: PATH erweitern unter Windows (so kann exec-path-from-shell den Pfad ermitteln):
PATH=P:\path\to\node;%path%

 #+BEGIN_SRC emacs-lisp
(use-package web-mode
  :ensure t
  :defer t
  :mode
  ("\\.phtml\\'"
   "\\.tpl\\.php\\'"
   "\\.djhtml\\'"
   "\\.[t]?html?\\'")
  :hook
  (web-mode . smartparens-mode)
  :init
  (if *work_remote*
      (setq exec-path (append exec-path '("P:/Tools/node"))))
  :config
  (setq web-mode-enable-auto-closing t
        web-mode-enable-auto-pairing t))
 #+END_SRC

Emmet offers snippets, similar to yasnippet.
Default completion is C-j
[[https://github.com/smihica/emmet-mode#usage][Github]]

#+begin_src emacs-lisp
(use-package emmet-mode
  :ensure t
  :defer t
  :hook
  ((web-mode . emmet-mode)
   (css-mode . emmet-mode))
  :config
  (unbind-key "C-<return>" emmet-mode-keymap))
#+end_src

*** JavaScript

npm install -g typescript-language-server typescript
maybe only typescript?
npm install -g prettier

#+begin_src emacs-lisp
(use-package rjsx-mode
  :ensure t
  :mode ("\\.js\\'"
         "\\.jsx'"))
;  :config
;  (setq js2-mode-show-parse-errors nil
;        js2-mode-show-strict-warnings nil
;        js2-basic-offset 2
;        js-indent-level 2)
;  (setq-local flycheck-disabled-checkers (cl-union flycheck-disable-checkers
;                                                   '(javascript-jshint))))  ; jshint doesn"t work for JSX

(use-package tide
  :ensure t
  :after (rjsx-mode company flycheck)
;  :hook (rjsx-mode . setup-tide-mode)
  :config
  (defun setup-tide-mode ()
    "Setup function for tide."
    (interactive)
    (tide-setup)
    (flycheck-mode t)
    (setq flycheck-check-synta-automatically '(save mode-enabled))
    (tide-hl-identifier-mode t)))

;; needs npm install -g prettier
(use-package prettier-js
  :ensure t
  :after (rjsx-mode)
  :defer t
  :diminish prettier-js-mode
  :hook ((js2-mode rsjx-mode) . prettier-js-mode))
#+end_src

** YAML
   :PROPERTIES:
   :ID:       95413247-04d5-4e02-8431-06c162ec8f3b
   :END:
#+begin_src emacs-lisp
(use-package yaml-mode
  :if *sys/linux*
  :ensure t
  :defer t
  :mode ("\\.yml$" . yaml-mode))
#+end_src

** R
#+BEGIN_SRC emacs-lisp
(use-package ess
  :ensure t
  :defer t
  :init
  (if *work_remote*
      (setq exec-path (append exec-path '("P:/Tools/R/bin/x64"))
            org-babel-R-command "P:/Tools/R/bin/x64/R --slave --no-save")))
#+END_SRC

** Python
   :PROPERTIES:
   :ID:       8c76fcd1-c57c-48ab-8af0-aa782de6337f
   :END:
 Systemseitig muss python-language-server installiert sein:
apt install python3-pip python3-setuptools python3-wheel
apt install build-essential python3-dev
 pip3 install 'python-language-server[all]'

 Statt obiges: npm install -g pyright

 für andere language servers
 https://github.com/emacs-lsp/lsp-mode#install-language-server

 #+BEGIN_SRC emacs-lisp
;(use-package lsp-python-ms
;  :if *sys/linux*
;  :ensure t
;  :defer t
;  :custom (lsp-python-ms-auto-install-server t))

(use-package lsp-pyright
  :ensure t
  :after lsp-mode
  :defer t
  :hook
  (python-mode . (lambda ()
                   (require 'lsp-pyright)
                   (lsp-deferred)))
;  :custom
;  (lsp-pyright-auto-import-completions nil)
;  (lsp-pyright-typechecking-mode "off")
  )
(use-package python
  :if *sys/linux*
  :delight "π "
  :defer t
  :bind (("M-[" . python-nav-backward-block)
         ("M-]" . python-nav-forward-block)))
    
(use-package pyvenv
  :if *sys/linux*
  :ensure t
  :defer t
  :after python
  :hook ((python-mode . pyvenv-mode)
         (python-mode . (lambda ()
                          (if-let ((pyvenv-directory (find-pyvenv-directory (buffer-file-name))))
                              (pyvenv-activate pyvenv-directory))
                          (lsp))))
  :custom
  (pyvenv-default-virtual-env-name "env")
  (pyvenv-mode-line-indicator '(pyvenv-virtual-env-name ("[venv:" pyvenv-virtual-env-name "]")))
  :preface
  (defun find-pyvenv-directory (path)
    "Check if a pyvenv directory exists."
    (cond
     ((not path) nil)
     ((file-regular-p path) (find-pyvenv-directory (file-name-directory path)))
     ((file-directory-p path)
      (or
       (seq-find
        (lambda (path) (file-regular-p (expand-file-name "pyvenv.cfg" path)))
        (directory-files path t))
       (let ((parent (file-name-directory (directory-file-name path))))
         (unless (equal parent path) (find-pyvenv-directory parent))))))))
 
  ;; manage multiple python version
  ;; needs to be installed on system
;  (use-package pyenv-mode
;    :ensure t
;    :after python
;    :hook ((python-mode . pyenv-mode)
;           (projectile-switch-project . projectile-pyenv-mode-set))
;    :custom (pyenv-mode-set "3.8.5")
;    :preface
;    (defun projectile-pyenv-mode-set ()
;      "Set pyenv version matching project name."
;      (let ((project (projectile-project-name)))
;        (if (member project (pyenv-mode-versions))
;            (pyenv-mode-set project)
;          (pyenv-mode-unset)))))

 ;)


 #+END_SRC
* beancount
** Installation
   :PROPERTIES:
   :ID:       2c329043-b7a9-437d-a5cf-f2ad6514be91
   :END:
#+BEGIN_SRC shell :tangle no
sudo su
cd /opt
python3 -m venv beancount
source ./beancount/bin/activate
pip3 install wheel
pip3 install beancount
sleep 100
echo "shell running!"
deactivate
#+END_SRC

#+BEGIN_SRC emacs-lisp
(use-package beancount
  :if *sys/linux*
  :load-path "user-global/elisp"
; :ensure t
  :defer t
  :mode
  ("\\.beancount$" . beancount-mode)
  :hook
  (beancount-mode . me/beancount-company)
  :init
  (add-hook 'beancount-mode-hook 'company/beancount-mode-hook)
  :config
  (defun me/beancount-company ()
    (set (make-local-variable 'company-backends)
         '(company-beancount)))
  (setq beancount-filename-main "/home/marc/Archiv/Finanzen/Transaktionen/transactions.beancount"))
#+END_SRC

To support org-babel, check if it can find the symlink to ob-beancount.el

#+BEGIN_SRC shell :tangle no
orgpath=`find /home/marc/.emacs.d/elpa/ -type d -name "org-plus*" -print`
beansym="$orgpath/ob-beancount.el
  bean="/home/marc/Archiv/Programmierprojekte/Lisp/beancount-mode/ob-beancount.el"

  if [ -h "$beansym" ]
  then
    echo "$beansym found"
  elif [ -e "$bean" ]
  then
    echo "creating symlink"
    ln -s "$bean" "$beansym"
  else
    echo "$bean not found, symlink creation aborted"
  fi
#+END_SRC

Fava is strongly recommended.

#+BEGIN_SRC shell  :tangle no
cd /opt
python3 -m venv fava
source ./fava/bin/activate
pip3 install wheel
pip3 install fava
deactivate
#+END_SRC

Start fava with fava my_file.beancount

It is accessable on this URL: [[http://127.0.0.1:5000][Fava]]
Beancount-mode can start fava and open the URL right away. 

* Stuff after everything else
Set garbage collector to a smaller value to let it kick in faster.
Maybe a problem on Windows?
#+begin_src emacs-lisp
;(setq gc-cons-threshold (* 2 1000 1000))
#+end_src