ambevar-dotfiles/.emacs.d/lisp/patch-helm.el

92 lines
4.3 KiB
EmacsLisp

(defun ambrevar/helm-run-or-raise (exe &optional files)
"Run asynchronously EXE or jump to the application window.
If EXE is already running just jump to his window if
`helm-raise-command' is non-nil.
When FILE argument is provided run EXE with FILE."
(let* ((real-com (car (split-string exe)))
(proc (if files
(concat real-com " " (mapconcat #'identity files " "))
real-com))
process-connection-type)
(if (get-process proc)
(if helm-raise-command
(shell-command (format helm-raise-command real-com))
(error "Error: %s is already running" real-com))
(when (member real-com helm-external-commands-list)
(message "Starting %s..." real-com)
(if files
(start-process-shell-command
proc nil (format "%s %s"
real-com
(mapconcat
(lambda (file)
(shell-quote-argument
(if (eq system-type 'windows-nt)
(helm-w32-prepare-filename file)
(expand-file-name file))))
files " ")))
(start-process-shell-command proc nil real-com))
(set-process-sentinel
(get-process proc)
(lambda (process event)
(when (and (string= event "finished\n")
helm-raise-command
(not (helm-get-pid-from-process-name real-com)))
(shell-command (format helm-raise-command "emacs")))
(message "%s process...Finished." process))))
(setq helm-external-commands-list
(cons real-com
(delete real-com helm-external-commands-list))))))
;; This change was rejected upstream.
(defun ambrevar/helm-open-file-externally (_file)
"Open FILE with an external program.
Try to guess which program to use with
`helm-get-default-program-for-file'.
If not found or a prefix arg is given query the user which tool
to use."
(let* ((fname (expand-file-name (car (helm-marked-candidates))))
(collection (helm-external-commands-list-1 'sort))
(def-prog (helm-get-default-program-for-file fname))
(program (if (or helm-current-prefix-arg (not def-prog))
;; Prefix arg or no default program.
(prog1
(helm-comp-read
"Program: " collection
:must-match t
:name "Open file Externally"
:del-input nil
:history helm-external-command-history)
;; Always prompt to set this program as default.
(setq def-prog nil))
;; No prefix arg or default program exists.
def-prog)))
(unless (or def-prog ; Association exists, no need to record it.
;; Don't try to record non--filenames associations (e.g urls).
(not (file-exists-p fname)))
(when
(y-or-n-p
(format
"Do you want to make `%s' the default program for this kind of files? "
program))
(helm-aif (assoc (file-name-extension fname)
helm-external-programs-associations)
(setq helm-external-programs-associations
(delete it helm-external-programs-associations)))
(push (cons (file-name-extension fname)
(helm-read-string
"Program (Add args maybe and confirm): " program))
helm-external-programs-associations)
(customize-save-variable 'helm-external-programs-associations
helm-external-programs-associations)))
(ambrevar/helm-run-or-raise program (helm-marked-candidates))
(setq helm-external-command-history
(cons program
(delete program
(cl-loop for i in helm-external-command-history
when (executable-find i) collect i))))))
(advice-add 'helm-open-file-externally :override 'ambrevar/helm-open-file-externally)
(provide 'patch-helm)