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;;; ivy-helpers.el --- More interfaces to ivy -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; URL: https://git.wpcarro.dev/wpcarro/briefcase
;; Package-Requires: ((emacs "24.3"))
;;; Commentary:
;; Hopefully to improve my workflows.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'tuple)
(require 'string)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(cl-defun ivy-helpers-kv (prompt kv f)
"PROMPT users with the keys in KV and return its corresponding value. Calls F
with the key and value from KV."
(ivy-read
prompt
kv
:require-match t
:action (lambda (entry)
(funcall f (car entry) (cdr entry)))))
(defun ivy-helpers-do-run-external-command (cmd)
"Execute the specified CMD and notify the user when it finishes."
(message "Starting %s..." cmd)
(set-process-sentinel
(start-process-shell-command cmd nil cmd)
(lambda (process event)
(when (string= event "finished\n")
(message "%s process finished." process)))))
(defun ivy-helpers-list-external-commands ()
"Create a list of all external commands available on $PATH."
(cl-loop
for dir in (split-string (getenv "PATH") path-separator)
when (and (file-exists-p dir) (file-accessible-directory-p dir))
for lsdir = (cl-loop for i in (directory-files dir t)
for bn = (file-name-nondirectory i)
when (and (not (s-contains? "-wrapped" i))
(not (member bn completions))
(not (file-directory-p i))
(file-executable-p i))
collect bn)
append lsdir into completions
finally return (sort completions 'string-lessp)))
(defun ivy-helpers-run-external-command ()
"Prompts the user with a list of all installed applications to launch."
(interactive)
(let ((external-commands-list (ivy-helpers-list-external-commands)))
(ivy-read "Command:" external-commands-list
:require-match t
:action #'ivy-helpers-do-run-external-command)))
;;; Code:
(provide 'ivy-helpers)
;;; ivy-helpers.el ends here
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