[Emacs] Reorganize custom functions and variables, update docstrings
Function terminal-here-default-terminal-command removed
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@ -1427,84 +1427,11 @@ in Elisp code.
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Almost all of my code snippets will be prefixed by either my name or the name of
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the package or layer they are part of, unless they are an explicit overwrite of
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a function that already exists.
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*** Nord theming variables
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*** Predicates
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:PROPERTIES:
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:CUSTOM_ID: User_Configuration-Custom_functions_and_variables-Some_theming_variables-9b853a99
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Predicates-5598df46
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:END:
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Yes, I do use a preconfigured theme, as mentioned above, but for some elements
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such as Eshell, I need to define some variables for color, and I’ll do it here.
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#+BEGIN_SRC emacs-lisp
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(defvar phundrak/nord0 "#2e3440")
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(defvar phundrak/nord1 "#3b4252")
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(defvar phundrak/nord2 "#434c5e")
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(defvar phundrak/nord3 "#4c566a")
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(defvar phundrak/nord4 "#d8dee9")
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(defvar phundrak/nord5 "#e5e9f0")
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(defvar phundrak/nord6 "#eceff4")
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(defvar phundrak/nord7 "#8fbcbb")
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(defvar phundrak/nord8 "#88c0d0")
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(defvar phundrak/nord9 "#81a1c1")
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(defvar phundrak/nord10 "#5e81ac")
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(defvar phundrak/nord11 "#bf616a")
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(defvar phundrak/nord12 "#d08770")
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(defvar phundrak/nord13 "#ebcb8b")
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(defvar phundrak/nord14 "#a3be8c")
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(defvar phundrak/nord15 "#b48ead")
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#+END_SRC
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*** ~with-face~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-with-face-7974e15f
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:END:
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~with-face~ is a simple yet very useful macro that allows me to easily create
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strings with faces defined as properties to the string passed as the first
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argument. Here is how it is implemented:
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#+BEGIN_SRC emacs-lisp
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(defmacro with-face ($str &rest $properties)
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"Helper macro for creating strings with faces"
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`(propertize ,$str 'face (list ,@$properties)))
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#+END_SRC
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*** ~phundrak/abbr-path~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-abbr-path-559b46e3
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:END:
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The following is a nice little function I use in my Eshell prompt. It shortens
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the name of all the parent directories of the current one in its path, but
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leaves the current one written in full. It also abbreviates the equivalent of
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the ~$HOME~ (~/home/<username>/~) directory to a simple =~=.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/abbr-path ($path &optional $abbreviate)
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"Abbreviate `$path'. If `$abbreviate' is `t', then all parent
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directories of the current directory will be abbreviated to one
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letter only. If a parent directory is a hidden directory (i.e.
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preceeded by a dot), the directory will be abbreviated to the dot
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plus the first letter of the name of the directory (e.g.
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\".config\" -> \".c\").
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For public use of the function, `$path' should be a string
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representing a UNIX path. For internal use, `$path' can also be a
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list. If `$path' is neither of those, an error will be thrown by
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the function."
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(cond
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((stringp $path) (f-short
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(if $abbreviate
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(phundrak/abbr-path (f-split (phundrak/abbr-path $path)))
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$path)))
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((null $path) "")
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((listp $path)
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(f-join (cond ((= 1 (length $path)) (car $path))
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(t (let* ((dir (car $path))
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(first-char (s-left 1 dir)))
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(if (string= "." first-char)
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(s-left 2 dir)
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first-char))))
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(phundrak/abbr-path (cdr $path))))
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(t (error "Invalid argument %s, neither stringp nor listp" $path))))
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#+END_SRC
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*** ~phundrak/all?~
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**** ~phundrak/all?~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-all-0655600c
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:END:
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@ -1524,31 +1451,29 @@ success, otherwise it is a failure. Note that empty lists will always return
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t))
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#+END_SRC
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*** ~phundrak/blog-publish~
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**** ~phundrak/none?~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-blog-publish-99c96b2d
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-none-463dee26
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:END:
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This function is quite a simple function made to automatically publish [[https://blog.phundrak.com][my blog]]
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based on Hugo. After exporting my blog using ~ox-hugo~, I simply have to call
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this function which will look for all files located in =~/org/blog/public= and
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copy them to my remote server once ~hugo~ has been executed in =~/org/blog=.
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In the same vein as ~phundrak/all?~, ~phundrak/none?~ checks if all elements of
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~seq~ do not satify the predicate ~fn~. Again, if the list is empty, it will
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return ~t~.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/blog-publish ()
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(interactive)
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(let* ((blog-path "~/org/blog")
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(public-path (concat blog-path "/public"))
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(target-path "/rsync:Tilo:/home/phundrak/www/phundrak.com/blog"))
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(shell-command (format "cd %s && hugo" blog-path))
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(let ((files (mapcar (lambda (file)
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(f-relative file public-path))
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(f-files (format "%s/public" blog-path) nil t))))
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(dolist (file files)
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(copy-file (concat public-path "/" file)
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(concat target-path "/" file)
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t nil t)))))
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(defun phundrak/none? (fn seq)
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"Check if all members of `SEQ' do not satisfy predicate `FN'.
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Note that it will return t if `SEQ' is nil."
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(declare (pure t) (side-effect-free t))
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(if seq
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(and (not (funcall fn (car seq)))
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(phundrak/none? fn (cdr seq)))
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t))
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#+END_SRC
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*** ~phundrak/eshell-git-status~
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*** Eshell prompt-related functions
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Eshell-prompt-related-functions-79d07f21
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:END:
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**** ~phundrak/eshell-git-status~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-eshell-git-status-28f16e94
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:END:
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@ -1560,11 +1485,13 @@ git prompt that will be inserted in my Eshell prompt. And just for shit and
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giggles, I’ve made it so it is a powerline prompt.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/eshell-git-status ($path &optional $background-color)
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"Returns a string indicating the status of the current
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repository if it exists. It should also append the name of the
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current branch if it is not `master' or `main'. The theme is
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inspired by the bobthefish theme for the fish shell which you can
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find here: https://github.com/oh-my-fish/theme-bobthefish
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"Returns a string indicating the status of the repository located
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in `$PATH' if it exists. It should also append the name of the
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current branch if it is not `master' or `main'.
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`$BACKGROUND-COLOR' allows to choose the color that will be
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visible behind the powerline characters. The theme is inspired by
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the bobthefish theme for the fish shell which you can find here:
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https://github.com/oh-my-fish/theme-bobthefish
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Color code:
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- green:
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@ -1622,19 +1549,94 @@ giggles, I’ve made it so it is a powerline prompt.
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:foreground accent)))))
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#+END_SRC
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*** ~phundrak/file-to-string~
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**** ~phundrak/git-repo-root~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-git-repo-root-f7cf3bb9
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:END:
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This function detects if the path passed as an argument points to a git
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directory or to one of its subdirectories. If it is, it will return the path to
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the root of the git repository, else it will return ~nil~.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/git-repo-root ($path)
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"Return `$PATH' if it points to a git repository or one of its
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subdirectories."
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(when $path
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(if (f-dir? (concat $path "/.git"))
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$path
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(phundrak/git-repo-root (f-parent $path)))))
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#+END_SRC
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**** ~phundrak/prompt-toggle-abbreviation~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-prompt-toggle-abbreviation-753ca549
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:END:
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#+BEGIN_SRC emacs-lisp
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(defvar phundrak/prompt--abbreviate t
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"Whether or not to abbreviate the displayed path in the Eshell
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prompt.")
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(defun phundrak/prompt-toggle-abbreviation ()
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"Toggles whether the Eshell prompt should shorten the name of
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the parent directories or not. See `phundrak/eshell-prompt'."
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(interactive)
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(setq phundrak/prompt--abbreviate (not phundrak/prompt--abbreviate)))
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#+END_SRC
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**** ~phundrak/abbr-path~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-abbr-path-559b46e3
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:END:
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The following is a nice little function I use in my Eshell prompt. It shortens
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the name of all the parent directories of the current one in its path, but
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leaves the current one written in full. It also abbreviates the equivalent of
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the ~$HOME~ (~/home/<username>/~) directory to a simple =~=.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/abbr-path ($path &optional $abbreviate)
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"Abbreviate `$PATH'. If `$ABBREVIATE' is t, then all parent
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directories of the current directory will be abbreviated to one
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letter only. If a parent directory is a hidden directory (i.e.
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preceeded by a dot), the directory will be abbreviated to the dot
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plus the first letter of the name of the directory (e.g.
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\".config\" -> \".c\").
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For public use of the function, `$PATH' should be a string
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representing a UNIX path. For internal use, `$PATH' can also be a
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list. If `$PATH' is neither of those, an error will be thrown by
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the function."
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(cond
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((stringp $path) (f-short
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(if $abbreviate
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(phundrak/abbr-path (f-split (phundrak/abbr-path $path)))
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$path)))
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((null $path) "")
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((listp $path)
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(f-join (cond ((= 1 (length $path)) (car $path))
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(t (let* ((dir (car $path))
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(first-char (s-left 1 dir)))
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(if (string= "." first-char)
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(s-left 2 dir)
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first-char))))
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(phundrak/abbr-path (cdr $path))))
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(t (error "Invalid argument %s, neither stringp nor listp" $path))))
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#+END_SRC
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*** Files-related functions
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Files-related-functions-0b66f353
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:END:
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**** ~phundrak/file-to-string~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-file-to-string-efab0fba
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:END:
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/file-to-string (FILE)
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"Returns the content of `FILE' as a string"
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"Returns the content of `FILE' as a string."
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(with-temp-buffer
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(insert-file-contents FILE)
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(buffer-string)))
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#+END_SRC
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*** ~phundrak/find-org-files~
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**** ~phundrak/find-org-files~
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:PROPERTIES:
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:CUSTOM_ID: Custom-functions-phundrak-find-org-files-a8fd200f
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:END:
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@ -1646,8 +1648,11 @@ conlanging files which are located in =~/Documents/conlanging=, and all my
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university notes are in =~/Documents/university=. Let’s declare these
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directories in a variable:
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#+BEGIN_SRC emacs-lisp
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(defvar phundrak/org-directories '("~/org" "~/Documents/university/S8" "~/Documents/conlanging")
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"Directories in which to look for org files with the function `phundrak/find-org-files'")
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(defvar phundrak/org-directories '("~/org"
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"~/Documents/university/S8"
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"~/Documents/conlanging")
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"Directories in which to look for org files with the function
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`phundrak/find-org-files'.")
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#+END_SRC
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With this established, let’s write some emacs-lisp that will allow me to get a
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@ -1671,58 +1676,7 @@ as [[https://github.com/sharkdp/fd][fd]].
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"\n")))))
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#+END_SRC
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*** ~phundrak/git-repo-root~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-git-repo-root-f7cf3bb9
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:END:
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This function detects if the path passed as an argument points to a git
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directory or to one of its subdirectories. If it is, it will return the path to
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the root of the git repository, else it will return ~nil~.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/git-repo-root ($path)
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"Return `$path' if it points to a git repository or one of its
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subdirectories"
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(when $path
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(if (f-dir? (concat $path "/.git"))
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$path
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(phundrak/git-repo-root (f-parent $path)))))
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#+END_SRC
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*** ~phundrak/none?~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-none-463dee26
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:END:
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In the same vein as ~phundrak/all?~, ~phundrak/none?~ checks if all elements of
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~seq~ do not satify the predicate ~fn~. Again, if the list is empty, it will
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return ~t~.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/none? (fn seq)
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"Check if all members of `SEQ' do not satisfy predicate `FN'.
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Note that it will return t if `SEQ' is nil."
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(declare (pure t) (side-effect-free t))
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(if seq
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(and (not (funcall fn (car seq)))
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(phundrak/none? fn (cdr seq)))
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t))
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#+END_SRC
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*** ~phundrak/prompt-toggle-abbreviation~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-prompt-toggle-abbreviation-753ca549
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:END:
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#+BEGIN_SRC emacs-lisp
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(defvar phundrak/prompt--abbreviate t
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"Whether or not to abbreviate the displayed path in the Eshell
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prompt")
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(defun phundrak/prompt-toggle-abbreviation ()
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"Toggles whether the Eshell prompt should shorten the name of
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the parent directories or not. See `phundrak/eshell-prompt'"
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(interactive)
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(setq phundrak/prompt--abbreviate (not phundrak/prompt--abbreviate)))
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#+END_SRC
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*** ~phundrak/open-marked-files~
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**** ~phundrak/open-marked-files~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-open-marked-files-b87d37f7
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:END:
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@ -1731,6 +1685,8 @@ multiple files. This function will basically look for all marked files in the
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current dired buffer and open each one of them in their individual buffer.
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#+BEGIN_SRC emacs-lisp
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(defun phundrak/open-marked-files ()
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"This function allows the user to open all marked files in a
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Dired buffer at once."
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(interactive)
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(let ((file-list (if (string= major-mode "dired-mode")
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(dired-get-marked-files)
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@ -1740,6 +1696,105 @@ current dired buffer and open each one of them in their individual buffer.
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file-list)))
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#+END_SRC
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**** ~xah/open-in-external-app~
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-open-in-external-app-2655f31c
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:END:
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Here is another of Xah’s functions, this time to open a file externally to
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Emacs. For instance, I sometimes want to open a PDF in Zathura rather than in
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Emacs, or an HTML file in Firefox. With this function, it is now possible!
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#+BEGIN_SRC emacs-lisp
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(defun xah/open-in-external-app (&optional files)
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"Open the current file or dired marked files in external app.
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The app is chosen from your OS’ preference.
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When called in emacs lisp, if `FILES' is given, open that.
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URL `http://ergoemacs.org/emacs/emacs_dired_open_file_in_ext_apps.html'
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Version 2019-01-18"
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(interactive)
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(let* (($file-list (if files
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(progn (list files))
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(if (string-equal major-mode "dired-mode")
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(dired-get-marked-files)
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(list (buffer-file-name)))))
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($do-it-p (if (<= (length $file-list) 5)
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t
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(y-or-n-p "Open more than 5 files? "))))
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(when $do-it-p
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(mapc (lambda ($fpath)
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(let ((process-connection-type nil))
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(start-process "" nil "xdg-open" $fpath)))
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$file-list))))
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#+END_SRC
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*** Theming
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:PROPERTIES:
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:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Theming-7ad4dc46
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:END:
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**** Nord theming variables
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:PROPERTIES:
|
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:CUSTOM_ID: User_Configuration-Custom_functions_and_variables-Some_theming_variables-9b853a99
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:END:
|
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Yes, I do use a preconfigured theme, as mentioned above, but for some elements
|
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such as Eshell, I need to define some variables for color, and I’ll do it here.
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#+BEGIN_SRC emacs-lisp
|
||||
(defvar phundrak/nord0 "#2e3440")
|
||||
(defvar phundrak/nord1 "#3b4252")
|
||||
(defvar phundrak/nord2 "#434c5e")
|
||||
(defvar phundrak/nord3 "#4c566a")
|
||||
(defvar phundrak/nord4 "#d8dee9")
|
||||
(defvar phundrak/nord5 "#e5e9f0")
|
||||
(defvar phundrak/nord6 "#eceff4")
|
||||
(defvar phundrak/nord7 "#8fbcbb")
|
||||
(defvar phundrak/nord8 "#88c0d0")
|
||||
(defvar phundrak/nord9 "#81a1c1")
|
||||
(defvar phundrak/nord10 "#5e81ac")
|
||||
(defvar phundrak/nord11 "#bf616a")
|
||||
(defvar phundrak/nord12 "#d08770")
|
||||
(defvar phundrak/nord13 "#ebcb8b")
|
||||
(defvar phundrak/nord14 "#a3be8c")
|
||||
(defvar phundrak/nord15 "#b48ead")
|
||||
#+END_SRC
|
||||
|
||||
**** ~with-face~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-with-face-7974e15f
|
||||
:END:
|
||||
~with-face~ is a simple yet very useful macro that allows me to easily create
|
||||
strings with faces defined as properties to the string passed as the first
|
||||
argument. Here is how it is implemented:
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defmacro with-face ($str &rest $properties)
|
||||
"Helper macro for creating strings `$STR' with `$PROPERTIES'"
|
||||
`(propertize ,$str 'face (list ,@$properties)))
|
||||
#+END_SRC
|
||||
|
||||
*** ~phundrak/blog-publish~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-blog-publish-99c96b2d
|
||||
:END:
|
||||
This function is quite a simple function made to automatically publish [[https://blog.phundrak.com][my blog]]
|
||||
based on Hugo. After exporting my blog using ~ox-hugo~, I simply have to call
|
||||
this function which will look for all files located in =~/org/blog/public= and
|
||||
copy them to my remote server once ~hugo~ has been executed in =~/org/blog=.
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defun phundrak/blog-publish ()
|
||||
"Publish my blog through Hugo and rsync to my remote server."
|
||||
(interactive)
|
||||
(let* ((blog-path "~/org/blog")
|
||||
(public-path (concat blog-path "/public"))
|
||||
(target-path "/rsync:Tilo:/home/phundrak/www/phundrak.com/blog"))
|
||||
(shell-command (format "cd %s && hugo" blog-path))
|
||||
(let ((files (mapcar (lambda (file)
|
||||
(f-relative file public-path))
|
||||
(f-files (format "%s/public" blog-path) nil t))))
|
||||
(dolist (file files)
|
||||
(copy-file (concat public-path "/" file)
|
||||
(concat target-path "/" file)
|
||||
t nil t)))))
|
||||
#+END_SRC
|
||||
|
||||
*** ~phundrak/var-or-if-nil~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-var-or-if-nil-40e2e54a
|
||||
@ -1748,8 +1803,8 @@ This simple function helps me return either the value ~var~ holds, or if it is
|
||||
~nil~ it will return the value ~value~ holds (or will return).
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defun phundrak/var-or-if-nil ($var $value)
|
||||
"Return the result yield by `$value' if `$var' is `nil', return
|
||||
`$var' otherwise"
|
||||
"Return the result yield by `$VALUE' if `$VAR' is nil, return
|
||||
`$VAR' otherwise"
|
||||
(if (null $var)
|
||||
$value
|
||||
$var))
|
||||
@ -1766,7 +1821,8 @@ new parameters in the ~new~ function. It also comes with a helper function that
|
||||
parses the arguments given to the ~new~ function.
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defun phundrak//yas-snippet-split-rust-args ($arg-string)
|
||||
"Split a Rust argument string into ((name, default)...) tuples"
|
||||
"Split a Rust argument string `$ARG-STRING' into ((name,
|
||||
default)...) tuples"
|
||||
(mapcar (lambda ($elem)
|
||||
(split-string $elem "[[:blank:]]*:[[:blank:]]*" t))
|
||||
(split-string $arg-string "[[:blank:]]*,[[:blank:]]*" t)))
|
||||
@ -1806,20 +1862,6 @@ Cairo. The function definition was taken [[https://github.com/caiohcs/my-emacs#s
|
||||
(message filename)))
|
||||
#+END_SRC
|
||||
|
||||
*** ~terminal-here-default-terminal-command~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-terminal-here-default-terminal-command-9baa3715
|
||||
:END:
|
||||
This function is actually an overwrite of the default one which apparently does
|
||||
not work on my machine. This function is called by ~terminal-here-launch~ and
|
||||
spawns an external terminal emulator in the directory emacs was in when the
|
||||
terminal was invoked. I simply point out to this function the name of my
|
||||
terminal emulator. Here is the code:
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defun terminal-here-default-terminal-command (_dir)
|
||||
'("st"))
|
||||
#+END_SRC
|
||||
|
||||
*** ~xah/dired-sort~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-dired-sort-28bde838
|
||||
@ -1847,38 +1889,6 @@ files in a dired buffer depending on four factors:
|
||||
(dired-sort-other $arg )))
|
||||
#+END_SRC
|
||||
|
||||
*** ~xah/open-in-external-app~
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-open-in-external-app-2655f31c
|
||||
:END:
|
||||
Here is another of Xah’s functions, this time to open a file externally to
|
||||
Emacs. For instance, I sometimes want to open a PDF in Zathura rather than in
|
||||
Emacs, or an HTML file in Firefox. With this function, it is now possible!
|
||||
#+BEGIN_SRC emacs-lisp
|
||||
(defun xah/open-in-external-app (&optional files)
|
||||
"Open the current file or dired marked file in external app.
|
||||
The app is chosen from your OS’ preference.
|
||||
|
||||
When called in emacs lisp, if files is given, open that.
|
||||
|
||||
URL `http://ergoemacs.org/emacs/emacs_dired_open_file_in_ext_apps.html'
|
||||
Version 2019-01-18"
|
||||
(interactive)
|
||||
(let* (($file-list (if files
|
||||
(progn (list files))
|
||||
(if (string-equal major-mode "dired-mode")
|
||||
(dired-get-marked-files)
|
||||
(list (buffer-file-name)))))
|
||||
($do-it-p (if (<= (length $file-list) 5)
|
||||
t
|
||||
(y-or-n-p "Open more than 5 files? "))))
|
||||
(when $do-it-p
|
||||
(mapc (lambda ($fpath)
|
||||
(let ((process-connection-type nil))
|
||||
(start-process "" nil "xdg-open" $fpath)))
|
||||
$file-list))))
|
||||
#+END_SRC
|
||||
|
||||
** Emacs builtins
|
||||
:PROPERTIES:
|
||||
:CUSTOM_ID: User_Configuration-Emacs_builtins-7822b8dd
|
||||
|
||||
Loading…
Reference in New Issue
Block a user