2016-04-21 21:27:19 +00:00
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;;; helm-locate.el --- helm interface for locate. -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2016 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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;; NOTE for WINDOZE users:
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;; You have to install Everything with his command line interface here:
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;; http://www.voidtools.com/download.php
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-types)
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(require 'helm-help)
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(defgroup helm-locate nil
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"Locate related Applications and libraries for Helm."
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:group 'helm)
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(defcustom helm-locate-db-file-regexp "m?locate\.db$"
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"Default regexp to match locate database.
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If nil Search in all files."
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:type 'string
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:group 'helm-locate)
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(defcustom helm-ff-locate-db-filename "locate.db"
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"The basename of the locatedb file you use locally in your directories.
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When this is set and `helm' find such a file in the directory from
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where you launch locate, it will use this file and will not prompt you
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for a db file.
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Note that this happen only when locate is launched with a prefix arg."
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:group 'helm-locate
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:type 'string)
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(defcustom helm-locate-command nil
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"A list of arguments for locate program.
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Normally the default value should work on any system.
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If nil it will be calculated when `helm-locate' startup
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with these default values for different systems:
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Gnu/linux: \"locate %s -e --regex %s\"
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berkeley-unix: \"locate %s %s\"
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windows-nt: \"es %s %s\"
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Others: \"locate %s %s\"
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This string will be passed to format so it should end with `%s'.
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The first format spec is used for the \"-i\" value of locate/es,
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So don't set it directly but use `helm-locate-case-fold-search'
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for this.
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The \"-r\" option must be the last option, however if not specified you will
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be able to specify it during helm invocation by prefixing the pattern
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you enter with \"-r\"."
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:type 'string
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:group 'helm-locate)
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(defcustom helm-locate-create-db-command
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"updatedb -l 0 -o %s -U %s"
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"Command used to create a locale locate db file."
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:type 'string
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:group 'helm-locate)
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(defcustom helm-locate-case-fold-search helm-case-fold-search
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"It have the same meaning as `helm-case-fold-search'.
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The -i option of locate will be used depending of value of
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`helm-pattern' when this is set to 'smart.
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When nil \"-i\" will not be used at all.
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and when non--nil it will always be used.
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NOTE: the -i option of the \"es\" command used on windows does
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the opposite of \"locate\" command."
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:group 'helm-locate
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:type 'symbol)
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(defcustom helm-locate-fuzzy-match nil
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"Enable fuzzy matching in `helm-locate'."
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:group 'helm-locate
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:type 'boolean)
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(defcustom helm-locate-project-list nil
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"A list of directories, your projects.
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When set, allow browsing recursively files in all
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directories of this list with `helm-projects-find-files'."
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:group 'helm-locate
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:type '(repeat string))
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2016-06-29 07:21:54 +00:00
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(defcustom helm-locate-recursive-dirs-command "locate -i -e -A --regex ^%s %s.*$"
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"Command used in recursive directories completion in `helm-find-files'.
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For Windows and `es' use something like \"es -r ^%s.*%s.*$\"."
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:type 'string
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:group 'helm-files)
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2016-04-21 21:27:19 +00:00
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(defvar helm-generic-files-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map helm-map)
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(define-key map (kbd "C-]") 'helm-ff-run-toggle-basename)
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(define-key map (kbd "C-s") 'helm-ff-run-grep)
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(define-key map (kbd "M-g s") 'helm-ff-run-grep)
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(define-key map (kbd "M-g z") 'helm-ff-run-zgrep)
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(define-key map (kbd "M-g p") 'helm-ff-run-pdfgrep)
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(define-key map (kbd "C-c g") 'helm-ff-run-gid)
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(define-key map (kbd "M-R") 'helm-ff-run-rename-file)
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(define-key map (kbd "M-C") 'helm-ff-run-copy-file)
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(define-key map (kbd "M-B") 'helm-ff-run-byte-compile-file)
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(define-key map (kbd "M-L") 'helm-ff-run-load-file)
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(define-key map (kbd "M-S") 'helm-ff-run-symlink-file)
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(define-key map (kbd "M-H") 'helm-ff-run-hardlink-file)
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(define-key map (kbd "M-D") 'helm-ff-run-delete-file)
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(define-key map (kbd "C-=") 'helm-ff-run-ediff-file)
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(define-key map (kbd "C-c =") 'helm-ff-run-ediff-merge-file)
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(define-key map (kbd "C-c o") 'helm-ff-run-switch-other-window)
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(define-key map (kbd "C-c C-o") 'helm-ff-run-switch-other-frame)
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(define-key map (kbd "M-i") 'helm-ff-properties-persistent)
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(define-key map (kbd "C-c C-x") 'helm-ff-run-open-file-externally)
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(define-key map (kbd "C-c X") 'helm-ff-run-open-file-with-default-tool)
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(define-key map (kbd "M-.") 'helm-ff-run-etags)
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(define-key map (kbd "C-c @") 'helm-ff-run-insert-org-link)
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map)
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"Generic Keymap for files.")
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(defface helm-locate-finish
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'((t (:foreground "Green")))
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"Face used in mode line when locate process is finish."
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:group 'helm-locate)
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(defun helm-ff-find-locatedb (&optional from-ff)
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"Try to find if a local locatedb file is available.
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The search is done in `helm-ff-default-directory' or
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fall back to `default-directory' if FROM-FF is nil."
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2016-09-15 09:18:17 +00:00
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(helm-aif (and helm-ff-locate-db-filename
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(locate-dominating-file
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(or (and from-ff
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helm-ff-default-directory)
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default-directory)
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helm-ff-locate-db-filename))
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(expand-file-name helm-ff-locate-db-filename it)))
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2016-04-21 21:27:19 +00:00
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(defun helm-locate-create-db-default-function (db-name directory)
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"Default function used to create a locale locate db file.
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Argument DB-NAME name of the db file.
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Argument DIRECTORY root of file system subtree to scan."
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(format helm-locate-create-db-command db-name directory))
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(defvar helm-locate-create-db-function
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#'helm-locate-create-db-default-function
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"Function used to create a locale locate db file.
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It should receive the same arguments as
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`helm-locate-create-db-default-function'.")
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(defun helm-locate-1 (&optional localdb init from-ff default)
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"Generic function to run Locate.
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Prefix arg LOCALDB when (4) search and use a local locate db file when it
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exists or create it, when (16) force update of existing db file
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even if exists.
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It have no effect when locate command is 'es'.
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INIT is a string to use as initial input in prompt.
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See `helm-locate-with-db' and `helm-locate'."
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(require 'helm-mode)
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(helm-locate-set-command)
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(let ((pfn (lambda (candidate)
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(if (file-directory-p candidate)
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(message "Error: The locate Db should be a file")
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(if (= (shell-command
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(funcall helm-locate-create-db-function
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candidate
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helm-ff-default-directory))
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0)
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(message "New locatedb file `%s' created" candidate)
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(error "Failed to create locatedb file `%s'" candidate)))))
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(locdb (and localdb
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(not (string-match "^es" helm-locate-command))
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(or (and (equal '(4) localdb)
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(helm-ff-find-locatedb from-ff))
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(helm-read-file-name
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"Create Locate Db file: "
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:initial-input (expand-file-name "locate.db"
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(or helm-ff-default-directory
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default-directory))
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:preselect helm-locate-db-file-regexp
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:test (lambda (x)
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(if helm-locate-db-file-regexp
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;; Select only locate db files and directories
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;; to allow navigation.
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(or (string-match
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helm-locate-db-file-regexp x)
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(file-directory-p x))
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x)))))))
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(when (and locdb (or (equal localdb '(16))
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(not (file-exists-p locdb))))
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(funcall pfn locdb))
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(helm-locate-with-db (and localdb locdb) init default)))
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(defun helm-locate-set-command ()
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"Setup `helm-locate-command' if not already defined."
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(unless helm-locate-command
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(setq helm-locate-command
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(cl-case system-type
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(gnu/linux "locate %s -e --regex %s")
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(berkeley-unix "locate %s %s")
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(windows-nt "es %s %s")
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(t "locate %s %s")))))
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(defvar helm-file-name-history nil)
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(defun helm-locate-with-db (&optional db initial-input default)
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"Run locate -d DB.
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If DB is not given or nil use locate without -d option.
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Argument DB can be given as a string or list of db files.
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Argument INITIAL-INPUT is a string to use as initial-input.
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See also `helm-locate'."
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(require 'helm-files)
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(when (and db (stringp db)) (setq db (list db)))
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(helm-locate-set-command)
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(let ((helm-locate-command
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(if db
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(replace-regexp-in-string
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"locate"
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(format "locate -d %s"
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(mapconcat 'identity
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;; Remove eventually
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;; marked directories by error.
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(cl-loop for i in db
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unless (file-directory-p i)
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collect i) ":"))
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helm-locate-command)
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helm-locate-command)))
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(setq helm-file-name-history (mapcar 'helm-basename file-name-history))
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(helm :sources 'helm-source-locate
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:buffer "*helm locate*"
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:ff-transformer-show-only-basename nil
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:input initial-input
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:default default
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:history 'helm-file-name-history)))
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(defun helm-locate-init ()
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"Initialize async locate process for `helm-source-locate'."
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(let* ((locate-is-es (string-match "\\`es" helm-locate-command))
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(real-locate (string-match "\\`locate" helm-locate-command))
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(case-sensitive-flag (if locate-is-es "-i" ""))
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(ignore-case-flag (if (or locate-is-es
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(not real-locate)) "" "-i"))
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(args (split-string helm-pattern " "))
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(cmd (format helm-locate-command
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(cl-case helm-locate-case-fold-search
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(smart (let ((case-fold-search nil))
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(if (string-match "[[:upper:]]" helm-pattern)
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case-sensitive-flag
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ignore-case-flag)))
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(t (if helm-locate-case-fold-search
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ignore-case-flag
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case-sensitive-flag)))
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(concat
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;; The pattern itself.
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(shell-quote-argument (car args)) " "
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;; Possible locate args added
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;; after pattern, don't quote them.
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(mapconcat 'identity (cdr args) " ")))))
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(helm-log "Starting helm-locate process")
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(helm-log "Command line used was:\n\n%s"
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(concat ">>> " (propertize cmd 'face 'font-lock-comment-face) "\n\n"))
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(prog1
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(start-process-shell-command
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"locate-process" helm-buffer
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cmd)
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(set-process-sentinel
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(get-buffer-process helm-buffer)
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(lambda (process event)
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(let* ((err (process-exit-status process))
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(noresult (= err 1)))
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(cond (noresult
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(with-helm-buffer
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(unless (cdr helm-sources)
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(insert (concat "* Exit with code 1, no result found,"
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" command line was:\n\n "
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cmd)))))
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((string= event "finished\n")
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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 "[Locate 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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|
(t
|
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(helm-log "Error: Locate %s"
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|
(replace-regexp-in-string "\n" "" event))))))))))
|
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(defclass helm-locate-source (helm-source-async helm-type-file)
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((init :initform 'helm-locate-set-command)
|
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|
(candidates-process :initform 'helm-locate-init)
|
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|
|
(requires-pattern :initform 3)
|
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|
|
|
|
(history :initform 'helm-file-name-history)
|
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|
|
|
|
(persistent-action :initform 'helm-ff-kill-or-find-buffer-fname)
|
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|
|
|
|
(candidate-number-limit :initform 9999)))
|
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|
|
|
|
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|
|
(defvar helm-source-locate
|
|
|
|
|
|
(helm-make-source "Locate" 'helm-locate-source
|
|
|
|
|
|
:pattern-transformer 'helm-locate-pattern-transformer))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-locate-pattern-transformer (pattern)
|
|
|
|
|
|
(if helm-locate-fuzzy-match
|
|
|
|
|
|
(cond ((string-match
|
|
|
|
|
|
" " (replace-regexp-in-string " -b" "" pattern)) pattern)
|
|
|
|
|
|
((string-match "\\([^ ]*\\) -b" pattern)
|
|
|
|
|
|
(concat (helm--mapconcat-pattern
|
|
|
|
|
|
(match-string 1 pattern)) " -b"))
|
|
|
|
|
|
(t (helm--mapconcat-pattern pattern)))
|
|
|
|
|
|
pattern))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-locate-find-dbs-in-projects (&optional update)
|
|
|
|
|
|
(let* ((pfn (lambda (candidate directory)
|
|
|
|
|
|
(unless (= (shell-command
|
|
|
|
|
|
(funcall helm-locate-create-db-function
|
|
|
|
|
|
candidate
|
|
|
|
|
|
directory))
|
|
|
|
|
|
0)
|
|
|
|
|
|
(error "Failed to create locatedb file `%s'" candidate)))))
|
|
|
|
|
|
(cl-loop for p in helm-locate-project-list
|
|
|
|
|
|
for db = (expand-file-name
|
|
|
|
|
|
helm-ff-locate-db-filename
|
|
|
|
|
|
(file-name-as-directory p))
|
|
|
|
|
|
if (and (null update) (file-exists-p db))
|
|
|
|
|
|
collect db
|
|
|
|
|
|
else do (funcall pfn db p)
|
|
|
|
|
|
and collect db)))
|
|
|
|
|
|
|
2016-06-29 07:21:54 +00:00
|
|
|
|
;;; Directory completion for hff.
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defclass helm-locate-subdirs-source (helm-source-in-buffer)
|
|
|
|
|
|
((basedir :initarg :basedir
|
|
|
|
|
|
:initform nil
|
|
|
|
|
|
:custom string)
|
|
|
|
|
|
(subdir :initarg :subdir
|
|
|
|
|
|
:initform nil
|
|
|
|
|
|
:custom 'string)
|
|
|
|
|
|
(data :initform #'helm-locate-init-subdirs)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-locate-init-subdirs ()
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(call-process-shell-command
|
|
|
|
|
|
(format helm-locate-recursive-dirs-command
|
|
|
|
|
|
(if (string-match-p "\\`es" helm-locate-recursive-dirs-command)
|
|
|
|
|
|
;; Fix W32 paths.
|
|
|
|
|
|
(replace-regexp-in-string
|
|
|
|
|
|
"/" "\\\\\\\\" (helm-attr 'basedir))
|
|
|
|
|
|
(helm-attr 'basedir))
|
|
|
|
|
|
(helm-attr 'subdir))
|
|
|
|
|
|
nil t nil)
|
|
|
|
|
|
(buffer-string)))
|
|
|
|
|
|
|
2016-04-21 21:27:19 +00:00
|
|
|
|
;;;###autoload
|
|
|
|
|
|
(defun helm-projects-find-files (update)
|
|
|
|
|
|
"Find files with locate in `helm-locate-project-list'.
|
|
|
|
|
|
With a prefix arg refresh the database in each project."
|
|
|
|
|
|
(interactive "P")
|
|
|
|
|
|
(helm-locate-set-command)
|
|
|
|
|
|
(cl-assert (and (string-match-p "\\`locate" helm-locate-command)
|
|
|
|
|
|
(executable-find "updatedb"))
|
|
|
|
|
|
nil "Unsupported locate version")
|
|
|
|
|
|
(let ((dbs (helm-locate-find-dbs-in-projects update)))
|
|
|
|
|
|
(if dbs
|
|
|
|
|
|
(helm-locate-with-db dbs)
|
|
|
|
|
|
(user-error "No projects found, please setup `helm-locate-project-list'"))))
|
|
|
|
|
|
|
|
|
|
|
|
;;;###autoload
|
|
|
|
|
|
(defun helm-locate (arg)
|
|
|
|
|
|
"Preconfigured `helm' for Locate.
|
|
|
|
|
|
Note: you can add locate options after entering pattern.
|
|
|
|
|
|
See 'man locate' for valid options and also `helm-locate-command'.
|
|
|
|
|
|
|
|
|
|
|
|
You can specify a local database with prefix argument ARG.
|
|
|
|
|
|
With two prefix arg, refresh the current local db or create it
|
|
|
|
|
|
if it doesn't exists.
|
|
|
|
|
|
|
|
|
|
|
|
To create a user specific db, use
|
|
|
|
|
|
\"updatedb -l 0 -o db_path -U directory\".
|
|
|
|
|
|
Where db_path is a filename matched by
|
|
|
|
|
|
`helm-locate-db-file-regexp'."
|
|
|
|
|
|
(interactive "P")
|
|
|
|
|
|
(setq helm-ff-default-directory default-directory)
|
|
|
|
|
|
(helm-locate-1 arg nil nil (thing-at-point 'filename)))
|
|
|
|
|
|
|
|
|
|
|
|
(provide 'helm-locate)
|
|
|
|
|
|
|
|
|
|
|
|
;; Local Variables:
|
|
|
|
|
|
;; byte-compile-warnings: (not cl-functions obsolete)
|
|
|
|
|
|
;; coding: utf-8
|
|
|
|
|
|
;; indent-tabs-mode: nil
|
|
|
|
|
|
;; End:
|
|
|
|
|
|
|
|
|
|
|
|
;;; helm-locate.el ends here
|
