126 lines
5.1 KiB
EmacsLisp
126 lines
5.1 KiB
EmacsLisp
;;; helm-id-utils.el --- Helm interface for id-utils. -*- lexical-binding: t -*-
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;; Copyright (C) 2015 ~ 2020 Thierry Volpiatto <thierry.volpiatto@gmail.com>
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'helm-grep)
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(require 'helm-help)
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(defgroup helm-id-utils nil
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"ID-Utils related Applications and libraries for Helm."
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:group 'helm)
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(defcustom helm-gid-program "gid"
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"Name of gid command (usually `gid').
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For Mac OS X users, if you install GNU coreutils, the name `gid'
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might be occupied by `id' from GNU coreutils, and you should set
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it to correct name (or absolute path). For example, if using
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MacPorts to install id-utils, it should be `gid32'."
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:group 'helm-id-utils
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:type 'file)
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(defcustom helm-gid-db-file-name "ID"
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"Name of a database file created by `mkid' command from `ID-utils'."
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:group 'helm-id-utils
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:type 'string)
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(defun helm-gid-candidates-process ()
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(let* ((patterns (helm-mm-split-pattern helm-pattern))
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(default-com (format "%s -r %s" helm-gid-program
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(shell-quote-argument (car patterns))))
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(cmd (helm-aif (cdr patterns)
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(concat default-com
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(cl-loop for p in it
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concat (format " | grep --color=always %s"
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(shell-quote-argument p))))
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default-com))
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(proc (start-process-shell-command
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"gid" helm-buffer cmd)))
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(set (make-local-variable 'helm-grep-last-cmd-line) cmd)
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(prog1 proc
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(set-process-sentinel
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proc (lambda (_process event)
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(when (string= event "finished\n")
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(helm-maybe-show-help-echo)
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(with-helm-window
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(setq mode-line-format
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'(" " mode-line-buffer-identification " "
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(:eval (format "L%s" (helm-candidate-number-at-point))) " "
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(:eval (propertize
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(format "[Helm Gid process finished - (%s results)]"
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(max (1- (count-lines
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(point-min) (point-max)))
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0))
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'face 'helm-locate-finish))))
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(force-mode-line-update))
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(helm-log "Error: Gid %s"
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(replace-regexp-in-string "\n" "" event))))))))
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(defun helm-gid-filtered-candidate-transformer (candidates _source)
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;; "gid -r" may add dups in some rare cases.
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(cl-loop for c in (helm-fast-remove-dups candidates :test 'equal)
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collect (helm-grep--filter-candidate-1 c)))
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(defclass helm-gid-source (helm-source-async)
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((header-name
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:initform
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(lambda (name)
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(concat name " [" (helm-get-attr 'db-dir) "]")))
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(db-dir :initarg :db-dir
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:initform nil
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:custom string
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:documentation " Location of ID file.")
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(candidates-process :initform #'helm-gid-candidates-process)
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(filtered-candidate-transformer
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:initform #'helm-gid-filtered-candidate-transformer)
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(candidate-number-limit :initform 99999)
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(action :initform (helm-make-actions
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"Find File" 'helm-grep-action
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"Find file other frame" 'helm-grep-other-frame
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"Save results in grep buffer" 'helm-grep-save-results
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"Find file other window" 'helm-grep-other-window))
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(persistent-action :initform 'helm-grep-persistent-action)
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(history :initform 'helm-grep-history)
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(nohighlight :initform t)
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(help-message :initform 'helm-grep-help-message)
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(requires-pattern :initform 2)))
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;;;###autoload
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(defun helm-gid ()
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"Preconfigured `helm' for `gid' command line of `ID-Utils'.
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Need A database created with the command `mkid' above
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`default-directory'.
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Need id-utils as dependency which provide `mkid', `gid' etc..
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See <https://www.gnu.org/software/idutils/>."
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(interactive)
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(let* ((db (locate-dominating-file
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default-directory
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helm-gid-db-file-name))
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(helm-grep-default-directory-fn
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(lambda () default-directory))
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(helm-maybe-use-default-as-input t))
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(cl-assert db nil "No DataBase found, create one with `mkid'")
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(helm :sources (helm-make-source "Gid" 'helm-gid-source
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:db-dir db)
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:buffer "*helm gid*"
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:keymap helm-grep-map
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:truncate-lines helm-grep-truncate-lines)))
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(provide 'helm-id-utils)
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;;; helm-id-utils ends here
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