my-emacs-d/elpa/helm-20161018.1253/helm-grep.el

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;;; helm-grep.el --- Helm Incremental Grep. -*- lexical-binding: t -*-
;; Copyright (C) 2012 ~ 2016 Thierry Volpiatto <thierry.volpiatto@gmail.com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'cl-lib)
(require 'helm)
(require 'helm-help)
(require 'helm-regexp)
;;; load wgrep proxy if it's available
(require 'wgrep-helm nil t)
(declare-function helm-buffer-list "helm-buffers")
(declare-function helm-elscreen-find-file "helm-elscreen" (file))
(declare-function View-quit "view")
(declare-function doc-view-goto-page "doc-view" (page))
(declare-function helm-mm-split-pattern "helm-multi-match")
(declare-function helm--ansi-color-apply "helm-lib")
(defvar helm--ansi-color-regexp)
(defgroup helm-grep nil
"Grep related Applications and libraries for Helm."
:group 'helm)
(defcustom helm-grep-default-command
"grep --color=always -a -d skip %e -n%cH -e %p %f"
"Default grep format command for `helm-do-grep-1'.
Where:
'%e' format spec is for --exclude or --include grep options or
ack-grep --type option. (Not mandatory)
'%c' format spec is for case-fold-search,
whether to use the -i option of grep. (Not mandatory)
When you specify this spec, helm grep will use smartcase
that is when a upcase character is found in pattern case will
be respected and no '-i' option will be used, otherwise, when
no upcase character is found in pattern always use '-i'.
If you don't want this behavior, don't use this spec and
specify or not the '-i' option.
Note that with ack-grep this is not needed, just specify
the '--smart-case' option.
'%p' format spec is for pattern. (Mandatory)
'%f' format spec is for filenames. (Mandatory)
If your grep version doesn't support the --exclude/include args
don't specify the '%e' format spec.
Helm also support ack-grep and git-grep ,
here a default command example for ack-grep:
\(setq helm-grep-default-command \"ack-grep -Hn --color --smart-case --no-group %e %p %f\"
helm-grep-default-recurse-command \"ack-grep -H --color --smart-case --no-group %e %p %f\")
You can ommit the %e spec if you don't want to be prompted for types.
NOTE: Helm for ack-grep support ANSI sequences, so you can remove
the \"--no-color\" option safely (recommended)
However you should specify --color to enable multi matches highlighting
because ack disable it when output is piped.
Same for grep you can use safely the option \"--color=always\" (default).
You can customize the color of matches using GREP_COLORS env var.
e.g: \(setenv \"GREP_COLORS\" \"ms=30;43:mc=30;43:sl=01;37:cx=:fn=35:ln=32:bn=32:se=36\")
To enable ANSI color in git-grep just add \"--color=always\".
To customize the ANSI color in git-grep, GREP_COLORS have no effect,
you will have to setup this in your .gitconfig:
[color \"grep\"]
match = black yellow
where \"black\" is the foreground and \"yellow\" the background.
See the git documentation for more infos.
`helm-grep-default-command' and `helm-grep-default-recurse-command'are
independents, so you can enable `helm-grep-default-command' with ack-grep
and `helm-grep-default-recurse-command' with grep if you want to be faster
on recursive grep.
NOTE: Remote grepping is not available with ack-grep,
and badly supported with grep because tramp handle badly
repeated remote processes in a short delay (< to 5s)."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-default-recurse-command
"grep --color=always -a -d recurse %e -n%cH -e %p %f"
"Default recursive grep format command for `helm-do-grep-1'.
See `helm-grep-default-command' for format specs and infos about ack-grep."
:group 'helm-grep
:type 'string)
(defcustom helm-default-zgrep-command
"zgrep --color=always -a -n%cH -e %p %f"
"Default command for Zgrep.
See `helm-grep-default-command' for infos on format specs.
Option --color=always is supported and can be used safely
to replace the helm internal match highlighting,
see `helm-grep-default-command' for more infos."
:group 'helm-grep
:type 'string)
(defcustom helm-pdfgrep-default-command
"pdfgrep --color always -niH %s %s"
"Default command for pdfgrep.
Option \"--color always\" is supported starting helm version 1.7.8,
when used matchs will be highlighted according to GREP_COLORS env var."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-use-ioccur-style-keys t
"Use Arrow keys to jump to occurences."
:group 'helm-grep
:type 'boolean)
(defcustom helm-pdfgrep-default-read-command nil
"Default command to read pdf files from pdfgrep.
Where '%f' format spec is filename and '%p' is page number.
e.g In Ubuntu you can set it to:
\"evince --page-label=%p '%f'\"
If set to nil `doc-view-mode' will be used instead of an external command."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-max-length-history 100
"Max number of elements to save in `helm-grep-history'."
:group 'helm-grep
:type 'integer)
(defcustom helm-zgrep-file-extension-regexp
".*\\(\\.gz\\|\\.bz\\|\\.xz\\|\\.lzma\\)$"
"Default file extensions zgrep will search in."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-preferred-ext nil
"This file extension will be preselected for grep."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-save-buffer-name-no-confirm nil
"when *hgrep* already exists,auto append suffix."
:group 'helm-grep
:type 'boolean)
(defcustom helm-grep-ignored-files
(cons ".#*" (delq nil (mapcar (lambda (s)
(unless (string-match-p "/\\'" s)
(concat "*" s)))
completion-ignored-extensions)))
"List of file names which `helm-grep' shall exclude."
:group 'helm-grep
:type '(repeat string))
(defcustom helm-grep-ignored-directories
helm-walk-ignore-directories
"List of names of sub-directories which `helm-grep' shall not recurse into."
:group 'helm-grep
:type '(repeat string))
(defcustom helm-grep-truncate-lines t
"When nil the grep line that appears will not be truncated."
:group 'helm-grep
:type 'boolean)
(defcustom helm-grep-file-path-style 'basename
"File path display style when grep results are displayed.
Possible value are:
basename: displays only the filename, none of the directory path
absolute: displays absolute path
relative: displays relative path from root grep directory."
:group 'helm-grep
:type '(choice (const :tag "Basename" basename)
(const :tag "Absolute" absolute)
(const :tag "Relative" relative)))
(defcustom helm-grep-actions
(helm-make-actions
"Find File" 'helm-grep-action
"Find file other frame" 'helm-grep-other-frame
(lambda () (and (locate-library "elscreen")
"Find file in Elscreen"))
'helm-grep-jump-elscreen
"Save results in grep buffer" 'helm-grep-save-results
"Find file other window" 'helm-grep-other-window)
"Actions for helm grep."
:group 'helm-grep
:type '(alist :key-type string :value-type function))
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(defcustom helm-grep-pipe-cmd-switches nil
"A list of additional parameters to pass to grep pipe command.
This will be used for pipe command for multiple pattern matching
for grep, zgrep ack-grep and git-grep backends.
If you add extra args for ack-grep, use ack-grep options,
for others (grep, zgrep and git-grep) use grep options.
Here are the commands where you may want to add switches:
grep --color=always
ack-grep --smart-case --color
You probably don't need to use this unless you know what you are doing."
:group 'helm-grep
:type 'string)
(defcustom helm-grep-ag-pipe-cmd-switches nil
"A list of additional parameters to pass to grep-ag pipe command.
You can use either grep or ack-grep backend, give options according
to which backend you use.
Here are the commands where you may want to add switches:
grep --perl-regexp --color=always
ack-grep --smart-case --color
You probably don't need to use this unless you know what you are doing."
:group 'helm-grep
:type 'string)
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;;; Faces
;;
;;
(defgroup helm-grep-faces nil
"Customize the appearance of helm-grep."
:prefix "helm-"
:group 'helm-grep
:group 'helm-faces)
(defface helm-grep-match
'((((background light)) :foreground "#b00000")
(((background dark)) :foreground "gold1"))
"Face used to highlight grep matches."
:group 'helm-grep-faces)
(defface helm-grep-file
'((t (:foreground "BlueViolet"
:underline t)))
"Face used to highlight grep results filenames."
:group 'helm-grep-faces)
(defface helm-grep-lineno
'((t (:foreground "Darkorange1")))
"Face used to highlight grep number lines."
:group 'helm-grep-faces)
(defface helm-grep-finish
'((t (:foreground "Green")))
"Face used in mode line when grep is finish."
:group 'helm-grep-faces)
(defface helm-grep-cmd-line
'((t (:inherit diff-added)))
"Face used to highlight grep command line when no results."
:group 'helm-grep-faces)
;;; Keymaps
;;
;;
(defvar helm-grep-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "M-<down>") 'helm-goto-next-file)
(define-key map (kbd "M-<up>") 'helm-goto-precedent-file)
(define-key map (kbd "C-c o") 'helm-grep-run-other-window-action)
(define-key map (kbd "C-c C-o") 'helm-grep-run-other-frame-action)
(define-key map (kbd "C-x C-s") 'helm-grep-run-save-buffer)
(when helm-grep-use-ioccur-style-keys
(define-key map (kbd "<right>") 'helm-execute-persistent-action)
(define-key map (kbd "<left>") 'helm-grep-run-default-action))
(delq nil map))
"Keymap used in Grep sources.")
(defvar helm-pdfgrep-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "M-<down>") 'helm-goto-next-file)
(define-key map (kbd "M-<up>") 'helm-goto-precedent-file)
map)
"Keymap used in pdfgrep.")
(defvar helm-grep-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'helm-grep-mode-jump)
(define-key map (kbd "C-o") 'helm-grep-mode-jump-other-window)
(define-key map (kbd "<C-down>") 'helm-grep-mode-jump-other-window-forward)
(define-key map (kbd "<C-up>") 'helm-grep-mode-jump-other-window-backward)
(define-key map (kbd "<M-down>") 'helm-gm-next-file)
(define-key map (kbd "<M-up>") 'helm-gm-precedent-file)
(define-key map (kbd "M-n") 'helm-grep-mode-jump-other-window-forward)
(define-key map (kbd "M-p") 'helm-grep-mode-jump-other-window-backward)
(define-key map (kbd "M-N") 'helm-gm-next-file)
(define-key map (kbd "M-P") 'helm-gm-precedent-file)
map))
;;; Internals vars
;;
;;
(defvar helm-rzgrep-cache (make-hash-table :test 'equal))
(defvar helm-grep-default-function 'helm-grep-init)
(defvar helm-zgrep-recurse-flag nil)
(defvar helm-grep-history nil)
(defvar helm-grep-last-targets nil)
(defvar helm-grep-include-files nil)
(defvar helm-grep-in-recurse nil)
(defvar helm-grep-use-zgrep nil)
(defvar helm-grep-default-directory-fn nil
"A function that should return a directory to expand candidate to.
It is intended to use as a let-bound variable, DON'T set this globaly.")
(defvar helm-pdfgrep-targets nil)
(defvar helm-grep-last-cmd-line nil)
(defvar helm-grep-split-line-regexp "^\\([[:lower:][:upper:]]?:?.*?\\):\\([0-9]+\\):\\(.*\\)")
;;; Init
;;
;;
(defun helm-grep-prepare-candidates (candidates in-directory)
"Prepare filenames and directories CANDIDATES for grep command line."
;; If one or more candidate is a directory, search in all files
;; of this candidate (e.g /home/user/directory/*).
;; If r option is enabled search also in subdidrectories.
;; We need here to expand wildcards to support crap windows filenames
;; as grep doesn't accept quoted wildcards (e.g "dir/*.el").
(if helm-zgrep-recurse-flag
(mapconcat 'shell-quote-argument candidates " ")
;; When candidate is a directory, search in all its files.
;; NOTE that `file-expand-wildcards' will return also
;; directories, they will be ignored by grep but not
;; by ack-grep that will grep all files of this directory
;; without recursing in their subdirs though, see that as a one
;; level recursion with ack-grep.
;; So I leave it as it is, considering it is a feature. [1]
(cl-loop for i in candidates append
(cond ((string-match "^git" helm-grep-default-command)
(list i))
;; Candidate is a directory and we use recursion or ack.
((and (file-directory-p i)
(or helm-grep-in-recurse
;; ack-grep accept directory [1].
(helm-grep-use-ack-p)))
(list (expand-file-name i)))
;; Grep doesn't support directory only when not in recurse.
((file-directory-p i)
(file-expand-wildcards
(concat (file-name-as-directory (expand-file-name i)) "*") t))
;; Candidate is a file or wildcard and we use recursion, use the
;; current directory instead of candidate.
((and (or (file-exists-p i) (string-match "[*]" i))
helm-grep-in-recurse)
(list (expand-file-name
(directory-file-name ; Needed for windoze.
(file-name-directory (directory-file-name i))))))
;; Else should be one or more file/directory
;; possibly marked.
;; When real is a normal filename without wildcard
;; file-expand-wildcards returns a list of one file.
;; wildcards should have been already handled by
;; helm-read-file-name or helm-find-files but do it from
;; here too in case we are called from elsewhere.
(t (file-expand-wildcards i t))) into all-files ; [1]
finally return
(let ((files (if (file-remote-p in-directory)
;; Grep don't understand tramp filenames
;; use the local name.
(mapcar (lambda (x)
(file-remote-p x 'localname))
all-files)
all-files)))
(if (string-match "^git" helm-grep-default-command)
(mapconcat 'identity files " ")
(mapconcat 'shell-quote-argument files " "))))))
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(defun helm-grep-command (&optional recursive grep)
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(let* ((com (if recursive
helm-grep-default-recurse-command
helm-grep-default-command))
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(exe (if grep
(symbol-name grep)
(and com (car (split-string com " "))))))
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(if (and exe (string= exe "git")) "git-grep" exe)))
(cl-defun helm-grep-use-ack-p (&key where)
(let* ((rec-com (helm-grep-command t))
(norm-com (helm-grep-command))
(norm-com-ack-p (string-match "\\`ack" norm-com))
(rec-com-ack-p (and rec-com (string-match "\\`ack" rec-com))))
(cl-case where
(default (and norm-com norm-com-ack-p))
(recursive (and rec-com rec-com-ack-p))
(strict (and norm-com rec-com rec-com-ack-p norm-com-ack-p))
(t (and (not (and norm-com (string= norm-com "git-grep")))
(or (and norm-com norm-com-ack-p)
(and rec-com rec-com-ack-p)))))))
(defun helm-grep--prepare-cmd-line (only-files &optional include zgrep)
(let* ((default-directory (or helm-ff-default-directory
(helm-default-directory)
default-directory))
(fnargs (helm-grep-prepare-candidates
only-files default-directory))
(ignored-files (unless (helm-grep-use-ack-p)
(mapconcat
(lambda (x)
(concat "--exclude="
(shell-quote-argument x)))
helm-grep-ignored-files " ")))
(ignored-dirs (unless (helm-grep-use-ack-p)
(mapconcat
;; Need grep version >=2.5.4
;; of Gnuwin32 on windoze.
(lambda (x)
(concat "--exclude-dir="
(shell-quote-argument x)))
helm-grep-ignored-directories " ")))
(exclude (unless (helm-grep-use-ack-p)
(if helm-grep-in-recurse
(concat (or include ignored-files)
" " ignored-dirs)
ignored-files)))
(types (and (helm-grep-use-ack-p)
;; When %e format spec is not specified
;; in `helm-grep-default-command'
;; we need to pass an empty string
;; to types to avoid error.
(or include "")))
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(smartcase (if (helm-grep-use-ack-p)
""
(unless (let ((case-fold-search nil))
(string-match-p
"[[:upper:]]" helm-pattern))
"i")))
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(helm-grep-default-command
(concat helm-grep-default-command " %m")) ; `%m' like multi.
(patterns (split-string helm-pattern))
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(pipe-switches (mapconcat 'identity helm-grep-pipe-cmd-switches " "))
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(pipes
(helm-aif (cdr patterns)
(cl-loop with pipcom = (pcase (helm-grep-command)
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;; Use grep for GNU regexp based tools.
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((or "grep" "zgrep" "git-grep")
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(format "grep --color=always%s %s"
(if smartcase " -i" "")
pipe-switches))
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;; Use ack-grep for PCRE based tools.
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;; Sometimes ack-grep cmd is ack only.
((and (pred (string-match-p "ack")) ack)
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(format "%s --smart-case --color %s" ack pipe-switches)))
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for p in it concat
(format " | %s %s" pipcom (shell-quote-argument p)))
"")))
(format-spec
helm-grep-default-command
(delq nil
(list (unless zgrep
(if types
(cons ?e types)
(cons ?e exclude)))
(cons ?c (or smartcase ""))
(cons ?p (shell-quote-argument (car patterns)))
(cons ?f fnargs)
(cons ?m pipes))))))
(defun helm-grep-init (cmd-line)
"Start an asynchronous grep process with CMD-LINE using ZGREP if non--nil."
(let* ((default-directory (or helm-ff-default-directory
(helm-default-directory)
default-directory))
(zgrep (string-match "\\`zgrep" cmd-line))
;; Use pipe only with grep, zgrep or git-grep.
(process-connection-type (and (not zgrep) (helm-grep-use-ack-p)))
(tramp-verbose helm-tramp-verbose)
non-essential)
;; Start grep process.
(helm-log "Starting Grep process in directory `%s'" default-directory)
(helm-log "Command line used was:\n\n%s"
(concat ">>> " (propertize cmd-line 'face 'helm-grep-cmd-line) "\n\n"))
(prog1 ; This function should return the process first.
(start-file-process-shell-command
"grep" helm-buffer cmd-line)
;; Init sentinel.
(set-process-sentinel
(get-buffer-process helm-buffer)
(lambda (process event)
(let* ((err (process-exit-status process))
(noresult (= err 1)))
(unless (and err (> err 0))
(helm-process-deferred-sentinel-hook
process event (helm-default-directory)))
(cond ((and noresult
;; [FIXME] This is a workaround for zgrep
;; that exit with code 1
;; after a certain amount of results.
(not (with-helm-buffer helm-grep-use-zgrep)))
(with-helm-buffer
(insert (concat "* Exit with code 1, no result found,"
" command line was:\n\n "
(propertize helm-grep-last-cmd-line
'face 'helm-grep-cmd-line)))
(setq mode-line-format
'(" " mode-line-buffer-identification " "
(:eval (format "L%s" (helm-candidate-number-at-point))) " "
(:eval (propertize
(format
"[%s process finished - (no results)] "
(if helm-grep-use-zgrep
"Zgrep"
(capitalize
(if helm-grep-in-recurse
(helm-grep-command t)
(helm-grep-command)))))
'face 'helm-grep-finish))))))
((string= event "finished\n")
(with-helm-window
(setq mode-line-format
'(" " mode-line-buffer-identification " "
(:eval (format "L%s" (helm-candidate-number-at-point))) " "
(:eval (propertize
(format
"[%s process finished - (%s results)] "
(if helm-grep-use-zgrep
"Zgrep"
(capitalize
(if helm-grep-in-recurse
(helm-grep-command t)
(helm-grep-command))))
(helm-get-candidate-number))
'face 'helm-grep-finish))))
(force-mode-line-update)))
;; Catch error output in log.
(t (helm-log
"Error: %s %s"
(if helm-grep-use-zgrep "Zgrep" "Grep")
(replace-regexp-in-string "\n" "" event))))))))))
(defun helm-grep-collect-candidates ()
(let ((cmd-line (helm-grep--prepare-cmd-line
helm-grep-last-targets
helm-grep-include-files
helm-grep-use-zgrep)))
(set (make-local-variable 'helm-grep-last-cmd-line) cmd-line)
(funcall helm-grep-default-function cmd-line)))
;;; Actions
;;
;;
(defun helm-grep-action (candidate &optional where mark)
"Define a default action for `helm-do-grep-1' on CANDIDATE.
WHERE can be one of other-window, elscreen, other-frame."
(let* ((split (helm-grep-split-line candidate))
(lineno (string-to-number (nth 1 split)))
(loc-fname (or (with-current-buffer
(if (eq major-mode 'helm-grep-mode)
(current-buffer)
helm-buffer)
(get-text-property (point-at-bol) 'help-echo))
(car split)))
(tramp-method (file-remote-p (or helm-ff-default-directory
default-directory) 'method))
(tramp-host (file-remote-p (or helm-ff-default-directory
default-directory) 'host))
(tramp-prefix (concat "/" tramp-method ":" tramp-host ":"))
(fname (if tramp-host
(concat tramp-prefix loc-fname) loc-fname)))
(cl-case where
(other-window (find-file-other-window fname))
(elscreen (helm-elscreen-find-file fname))
(other-frame (find-file-other-frame fname))
(grep (helm-grep-save-results-1))
(pdf (if helm-pdfgrep-default-read-command
(helm-pdfgrep-action-1 split lineno (car split))
(find-file (car split)) (doc-view-goto-page lineno)))
(t (find-file fname)))
(unless (or (eq where 'grep) (eq where 'pdf))
(helm-goto-line lineno))
(when mark
(set-marker (mark-marker) (point))
(push-mark (point) 'nomsg))
;; Save history
(unless (or helm-in-persistent-action
(eq major-mode 'helm-grep-mode)
(string= helm-pattern ""))
(setq helm-grep-history
(cons helm-pattern
(delete helm-pattern helm-grep-history)))
(when (> (length helm-grep-history)
helm-grep-max-length-history)
(setq helm-grep-history
(delete (car (last helm-grep-history))
helm-grep-history))))))
(defun helm-grep-persistent-action (candidate)
"Persistent action for `helm-do-grep-1'.
With a prefix arg record CANDIDATE in `mark-ring'."
(if current-prefix-arg
(helm-grep-action candidate nil 'mark)
(helm-grep-action candidate))
(helm-highlight-current-line))
(defun helm-grep-other-window (candidate)
"Jump to result in other window from helm grep."
(helm-grep-action candidate 'other-window))
(defun helm-grep-other-frame (candidate)
"Jump to result in other frame from helm grep."
(helm-grep-action candidate 'other-frame))
(defun helm-grep-jump-elscreen (candidate)
"Jump to result in elscreen from helm grep."
(helm-grep-action candidate 'elscreen))
(defun helm-goto-next-or-prec-file (n)
"Go to next or precedent candidate file in helm grep/etags buffers.
If N is positive go forward otherwise go backward."
(let* ((allow-mode (or (eq major-mode 'helm-grep-mode)
(eq major-mode 'helm-moccur-mode)))
(sel (if allow-mode
(buffer-substring (point-at-bol) (point-at-eol))
(helm-get-selection nil t)))
(current-line-list (helm-grep-split-line sel))
(current-fname (nth 0 current-line-list))
(bob-or-eof (if (eq n 1) 'eobp 'bobp))
(mark-maybe (lambda ()
(if allow-mode
(ignore)
(helm-mark-current-line)))))
(catch 'break
(while (not (funcall bob-or-eof))
(forward-line n) ; Go forward or backward depending of n value.
;; Exit when current-fname is not matched or in `helm-grep-mode'
;; the line is not a grep line i.e 'fname:num:tag'.
(setq sel (buffer-substring (point-at-bol) (point-at-eol)))
(unless (or (string= current-fname
(car (helm-grep-split-line sel)))
(and (eq major-mode 'helm-grep-mode)
(not (get-text-property (point-at-bol) 'help-echo))))
(funcall mark-maybe)
(throw 'break nil))))
(cond ((and (> n 0) (eobp))
(re-search-backward ".")
(forward-line 0)
(funcall mark-maybe))
((and (< n 0) (bobp))
(helm-aif (next-single-property-change (point-at-bol) 'help-echo)
(goto-char it)
(forward-line 1))
(funcall mark-maybe)))
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(helm-follow-execute-persistent-action-maybe)
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(helm-log-run-hook 'helm-move-selection-after-hook)))
;;;###autoload
(defun helm-goto-precedent-file ()
"Go to precedent file in helm grep/etags buffers."
(interactive)
(with-helm-alive-p
(with-helm-window
(helm-goto-next-or-prec-file -1))))
(put 'helm-goto-precedent-file 'helm-only t)
;;;###autoload
(defun helm-goto-next-file ()
"Go to precedent file in helm grep/etags buffers."
(interactive)
(with-helm-window
(helm-goto-next-or-prec-file 1)))
(defun helm-grep-run-default-action ()
"Run grep default action from `helm-do-grep-1'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-grep-action)))
(put 'helm-grep-run-default-action 'helm-only t)
(defun helm-grep-run-other-window-action ()
"Run grep goto other window action from `helm-do-grep-1'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-grep-other-window)))
(put 'helm-grep-run-other-window-action 'helm-only t)
(defun helm-grep-run-other-frame-action ()
"Run grep goto other frame action from `helm-do-grep-1'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-grep-other-frame)))
(put 'helm-grep-run-other-frame-action 'helm-only t)
(defun helm-grep-run-save-buffer ()
"Run grep save results action from `helm-do-grep-1'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-grep-save-results)))
(put 'helm-grep-run-save-buffer 'helm-only t)
;;; helm-grep-mode
;;
;;
(defun helm-grep-save-results (candidate)
(helm-grep-action candidate 'grep))
(defun helm-grep-save-results-1 ()
"Save helm grep result in a `helm-grep-mode' buffer."
(let ((buf "*hgrep*")
new-buf
(pattern (with-helm-buffer helm-input-local))
(src-name (assoc-default 'name (helm-get-current-source))))
(when (get-buffer buf)
(if helm-grep-save-buffer-name-no-confirm
(setq new-buf (format "*hgrep|%s|-%s" pattern
(format-time-string "%H-%M-%S*")))
(setq new-buf (helm-read-string "GrepBufferName: " buf))
(cl-loop for b in (helm-buffer-list)
when (and (string= new-buf b)
(not (y-or-n-p
(format "Buffer `%s' already exists overwrite? "
new-buf))))
do (setq new-buf (helm-read-string "GrepBufferName: " "*hgrep "))))
(setq buf new-buf))
(with-current-buffer (get-buffer-create buf)
(setq default-directory (or helm-ff-default-directory
(helm-default-directory)
default-directory))
(setq buffer-read-only t)
(let ((inhibit-read-only t))
(erase-buffer)
(insert "-*- mode: helm-grep -*-\n\n"
(format "%s Results for `%s':\n\n" src-name pattern))
(save-excursion
(insert (with-current-buffer helm-buffer
(goto-char (point-min)) (forward-line 1)
(buffer-substring (point) (point-max))))))
(helm-grep-mode))
(pop-to-buffer buf)
(message "Helm %s Results saved in `%s' buffer" src-name buf)))
(define-derived-mode helm-grep-mode
special-mode "helm-grep"
"Major mode to provide actions in helm grep saved buffer.
Special commands:
\\{helm-grep-mode-map}"
(set (make-local-variable 'helm-grep-last-cmd-line)
(with-helm-buffer helm-grep-last-cmd-line))
(set (make-local-variable 'revert-buffer-function)
#'helm-grep-mode--revert-buffer-function))
(put 'helm-grep-mode 'helm-only t)
(defun helm-grep-mode--revert-buffer-function (&optional _ignore-auto _noconfirm)
(goto-char (point-min))
(when (re-search-forward helm-grep-split-line-regexp nil t) (forward-line 0))
(let ((inhibit-read-only t))
(delete-region (point) (point-max)))
(message "Reverting buffer...")
(let ((process-connection-type
;; Git needs a nil value otherwise it tries to use a pager.
(null (string-match-p "\\`git" helm-grep-last-cmd-line))))
(set-process-sentinel
(start-file-process-shell-command
"hgrep" (generate-new-buffer "*hgrep revert*") helm-grep-last-cmd-line)
'helm-grep-mode--sentinel)))
(defun helm-grep-mode--sentinel (process event)
(when (string= event "finished\n")
(with-current-buffer (current-buffer)
(let ((inhibit-read-only t))
(save-excursion
(cl-loop for l in (with-current-buffer (process-buffer process)
(prog1 (split-string (buffer-string) "\n")
(kill-buffer)))
for line = (if (string-match-p helm--ansi-color-regexp l)
(helm--ansi-color-apply l) l)
when (string-match helm-grep-split-line-regexp line)
do (insert (propertize
(car (helm-grep-filter-one-by-one line))
;; needed for wgrep.
'helm-realvalue line)
"\n"))))
(message "Reverting buffer done"))))
(defun helm-gm-next-file ()
(interactive)
(helm-goto-next-or-prec-file 1))
(defun helm-gm-precedent-file ()
(interactive)
(helm-goto-next-or-prec-file -1))
(defun helm-grep-mode-jump ()
(interactive)
(helm-grep-action
(buffer-substring (point-at-bol) (point-at-eol))))
(defun helm-grep-mode-jump-other-window-1 (arg)
(let ((candidate (buffer-substring (point-at-bol) (point-at-eol))))
(condition-case nil
(progn
(save-selected-window
(helm-grep-action candidate 'other-window)
(recenter))
(forward-line arg))
(error nil))))
(defun helm-grep-mode-jump-other-window-forward ()
(interactive)
(helm-grep-mode-jump-other-window-1 1))
(defun helm-grep-mode-jump-other-window-backward ()
(interactive)
(helm-grep-mode-jump-other-window-1 -1))
(defun helm-grep-mode-jump-other-window ()
(interactive)
(let ((candidate (buffer-substring (point-at-bol) (point-at-eol))))
(condition-case nil
(helm-grep-action candidate 'other-window)
(error nil))))
;;; ack-grep types
;;
;;
(defun helm-grep-hack-types ()
"Return a list of known ack-grep types."
(with-temp-buffer
;; "--help-types" works with both 1.96 and 2.1+, while
;; "--help types" works only with 1.96 Issue #422.
;; `helm-grep-command' should return the ack executable
;; when this function is used in the right context
;; i.e After checking is we are using ack-grep with
;; `helm-grep-use-ack-p'.
(call-process (helm-grep-command t) nil t nil "--help-types")
(goto-char (point-min))
(cl-loop while (re-search-forward
"^ *--\\(\\[no\\]\\)\\([^. ]+\\) *\\(.*\\)" nil t)
collect (cons (concat (match-string 2)
" [" (match-string 3) "]")
(match-string 2))
collect (cons (concat "no" (match-string 2)
" [" (match-string 3) "]")
(concat "no" (match-string 2))))))
(defun helm-grep-ack-types-transformer (candidates _source)
(cl-loop for i in candidates
if (stringp i)
collect (rassoc i helm-grep-ack-types-cache)
else
collect i))
(defvar helm-grep-ack-types-cache nil)
(defun helm-grep-read-ack-type ()
"Select types for the '--type' argument of ack-grep."
(require 'helm-mode)
(require 'helm-adaptive)
(setq helm-grep-ack-types-cache (helm-grep-hack-types))
(let ((types (helm-comp-read
"Types: " helm-grep-ack-types-cache
:name "*Ack-grep types*"
:marked-candidates t
:must-match t
:fc-transformer '(helm-adaptive-sort
helm-grep-ack-types-transformer)
:buffer "*helm ack-types*")))
(mapconcat (lambda (type) (concat "--type=" type)) types " ")))
;;; grep extensions
;;
;;
(defun helm-grep-guess-extensions (files)
"Try to guess file extensions in FILES list when using grep recurse.
These extensions will be added to command line with --include arg of grep."
(cl-loop with ext-list = (list helm-grep-preferred-ext "*")
with lst = (if (file-directory-p (car files))
(directory-files
(car files) nil
directory-files-no-dot-files-regexp)
files)
for i in lst
for ext = (file-name-extension i 'dot)
for glob = (and ext (not (string= ext ""))
(concat "*" ext))
unless (or (not glob)
(and glob-list (member glob glob-list))
(and glob-list (member glob ext-list))
(and glob-list (member glob helm-grep-ignored-files)))
collect glob into glob-list
finally return (delq nil (append ext-list glob-list))))
(defun helm-grep-get-file-extensions (files)
"Try to return a list of file extensions to pass to '--include' arg of grep."
(let* ((all-exts (helm-grep-guess-extensions
(mapcar 'expand-file-name files)))
(extensions (helm-comp-read "Search Only in: " all-exts
:marked-candidates t
:fc-transformer 'helm-adaptive-sort
:buffer "*helm grep exts*"
:name "*helm grep extensions*")))
(when (listp extensions) ; Otherwise it is empty string returned by C-RET.
;; If extensions is a list of one string containing spaces,
;; assume user entered more than one glob separated by space(s) and
;; split this string to pass it later to mapconcat.
;; e.g '("*.el *.py")
(cl-loop for i in extensions
append (split-string-and-unquote i " ")))))
;;; Set up source
;;
;;
(defclass helm-grep-class (helm-source-async)
((candidates-process :initform 'helm-grep-collect-candidates)
(filter-one-by-one :initform 'helm-grep-filter-one-by-one)
(keymap :initform helm-grep-map)
(nohighlight :initform t)
(nomark :initform t)
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(backend :initarg :backend
:initform nil
:documentation
" The grep backend that will be used.
It is actually used only as an internal flag
and don't set the backend by itself.
You probably don't want to modify this.")
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(candidate-number-limit :initform 9999)
(help-message :initform 'helm-grep-help-message)
(history :initform 'helm-grep-history)
(action :initform 'helm-grep-actions)
(persistent-action :initform 'helm-grep-persistent-action)
(persistent-help :initform "Jump to line (`C-u' Record in mark ring)")
(requires-pattern :initform 2)))
(defvar helm-source-grep nil)
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(defmethod helm--setup-source ((source helm-grep-class))
(call-next-method)
(helm-aif (and helm-follow-mode-persistent
(if (eq (slot-value source 'backend) 'git)
helm-source-grep-git
helm-source-grep))
(setf (slot-value source 'follow)
(assoc-default 'follow it))))
(cl-defun helm-do-grep-1 (targets &optional recurse backend exts
default-input input (source 'helm-source-grep))
"Launch helm using backend BACKEND on a list of TARGETS files.
When RECURSE is given and BACKEND is 'grep' use -r option of
BACKEND and prompt user for EXTS to set the --include args of BACKEND.
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Interactively you can give more than one arg separated by space at prompt.
e.g
$Pattern: *.el *.py *.tex
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From lisp use the EXTS argument as a list of extensions as above.
If you are using ack-grep, you will be prompted for --type
instead and EXTS will be ignored.
If prompt is empty `helm-grep-ignored-files' are added to --exclude.
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Argument DEFAULT-INPUT is use as `default' arg of `helm' and INPUT
is used as `input' arg of `helm', See `helm' docstring.
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Arg BACKEND when non--nil specify which backend to use
It is used actually to specify 'zgrep' or 'git'.
When BACKEND 'zgrep' is used don't prompt for a choice
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in recurse, and ignore EXTS, search being made recursively on files matching
`helm-zgrep-file-extension-regexp' only."
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(when (and (helm-grep-use-ack-p)
helm-ff-default-directory
(file-remote-p helm-ff-default-directory))
(error "Error: Remote operation not supported with ack-grep."))
(let* (non-essential
(exts (and recurse
;; [FIXME] I could handle this from helm-walk-directory.
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(not (eq backend 'zgrep)) ; zgrep doesn't handle -r opt.
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(not (helm-grep-use-ack-p :where 'recursive))
(or exts (helm-grep-get-file-extensions targets))))
(include-files
(and exts
(mapconcat (lambda (x)
(concat "--include="
(shell-quote-argument x)))
(if (> (length exts) 1)
(remove "*" exts)
exts) " ")))
(types (and (not include-files)
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(not (eq backend 'zgrep))
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recurse
(helm-grep-use-ack-p :where 'recursive)
;; When %e format spec is not specified
;; ignore types and do not prompt for choice.
(string-match "%e" helm-grep-default-command)
(helm-grep-read-ack-type)))
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(src-name (capitalize (helm-grep-command recurse backend))))
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;; When called as action from an other source e.g *-find-files
;; we have to kill action buffer.
(when (get-buffer helm-action-buffer)
(kill-buffer helm-action-buffer))
;; If `helm-find-files' haven't already started,
;; give a default value to `helm-ff-default-directory'
;; and set locally `default-directory' to this value . See below [1].
(unless helm-ff-default-directory
(setq helm-ff-default-directory default-directory))
;; We need to store these vars locally
;; to pass infos later to `helm-resume'.
(helm-set-local-variable
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'helm-zgrep-recurse-flag (and recurse (eq backend 'zgrep))
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'helm-grep-last-targets targets
'helm-grep-include-files (or include-files types)
'helm-grep-in-recurse recurse
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'helm-grep-use-zgrep (eq backend 'zgrep)
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'helm-grep-default-command
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(cond ((eq backend 'zgrep) helm-default-zgrep-command)
((eq backend 'git) helm-grep-git-grep-command)
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(recurse helm-grep-default-recurse-command)
;; When resuming, the local value of
;; `helm-grep-default-command' is used, only git-grep
;; should need this.
(t helm-grep-default-command))
'default-directory helm-ff-default-directory) ;; [1]
;; Setup the source.
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(set source (helm-make-source src-name 'helm-grep-class
:backend backend))
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(helm
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:sources source
:buffer (format "*helm %s*" (helm-grep-command recurse backend))
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:default default-input
:input input
:keymap helm-grep-map
:history 'helm-grep-history
:truncate-lines helm-grep-truncate-lines)))
;;; zgrep
;;
;;
(defun helm-ff-zgrep-1 (flist recursive)
(unwind-protect
(let* ((def-dir (or helm-ff-default-directory
default-directory))
(only (if recursive
(or (gethash def-dir helm-rzgrep-cache)
(puthash
def-dir
(helm-walk-directory
def-dir
:directories nil
:path 'full
:match helm-zgrep-file-extension-regexp)
helm-rzgrep-cache))
flist)))
(helm-do-grep-1 only recursive 'zgrep))
(setq helm-zgrep-recurse-flag nil)))
;;; transformers
;;
;;
(defun helm-grep-split-line (line)
"Split a grep output line."
;; The output of grep may send a truncated line in this chunk,
;; so don't split until grep line is valid, that is
;; once the second part of the line comes with next chunk
;; send by process.
(when (string-match helm-grep-split-line-regexp line)
;; Don't use split-string because buffer/file name or string
;; may contain a ":".
(cl-loop for n from 1 to 3 collect (match-string n line))))
(defun helm-grep--filter-candidate-1 (candidate &optional dir)
(let* ((root (or dir (and helm-grep-default-directory-fn
(funcall helm-grep-default-directory-fn))))
(ansi-p (string-match-p helm--ansi-color-regexp candidate))
(line (if ansi-p (helm--ansi-color-apply candidate) candidate))
(split (helm-grep-split-line line))
(fname (if (and root split)
(expand-file-name (car split) root)
(car-safe split)))
(lineno (nth 1 split))
(str (nth 2 split))
(display-fname (cl-ecase helm-grep-file-path-style
(basename (and fname (file-name-nondirectory fname)))
(absolute fname)
(relative (and fname root
(file-relative-name fname root))))))
(if (and display-fname lineno str)
(cons (concat (propertize display-fname
'face 'helm-grep-file
'help-echo fname)
":"
(propertize lineno 'face 'helm-grep-lineno)
":"
(if ansi-p str (helm-grep-highlight-match str t)))
line)
"")))
(defun helm-grep-filter-one-by-one (candidate)
"`filter-one-by-one' transformer function for `helm-do-grep-1'."
(let ((helm-grep-default-directory-fn
(or helm-grep-default-directory-fn
(lambda () (or helm-ff-default-directory
(and (null (eq major-mode 'helm-grep-mode))
(helm-default-directory))
default-directory)))))
(if (consp candidate)
;; Already computed do nothing (default as input).
candidate
(and (stringp candidate)
(helm-grep--filter-candidate-1 candidate)))))
(defun helm-grep-highlight-match (str &optional multi-match)
"Highlight in string STR all occurences matching `helm-pattern'."
(let (beg end)
(condition-case-unless-debug nil
(with-temp-buffer
(insert (propertize str 'read-only nil)) ; Fix (#1176)
(goto-char (point-min))
(cl-loop for reg in
(if multi-match
;; (m)occur.
(cl-loop for r in (helm-mm-split-pattern
helm-pattern)
unless (string-match "\\`!" r)
collect
(helm-aif (and helm-migemo-mode
(assoc r helm-mm--previous-migemo-info))
(cdr it) r))
;; async sources (grep, gid etc...)
(list helm-input))
do
(while (and (re-search-forward reg nil t)
(> (- (setq end (match-end 0))
(setq beg (match-beginning 0))) 0))
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(helm-add-face-text-properties beg end 'helm-grep-match))
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do (goto-char (point-min)))
(buffer-string))
(error nil))))
;;; Grep from buffer list
;;
;;
(defun helm-grep-buffers-1 (candidate &optional zgrep)
"Run grep on all file--buffers or CANDIDATE if it is a file--buffer.
If one of selected buffers is not a file--buffer,
it is ignored and grep will run on all others file--buffers.
If only one candidate is selected and it is not a file--buffer,
switch to this buffer and run `helm-occur'.
If a prefix arg is given run grep on all buffers ignoring non--file-buffers."
(let* ((prefarg (or current-prefix-arg helm-current-prefix-arg))
(helm-ff-default-directory
(if (and helm-ff-default-directory
(file-remote-p helm-ff-default-directory))
default-directory
helm-ff-default-directory))
(cands (if prefarg
(buffer-list)
(helm-marked-candidates)))
(win-conf (current-window-configuration))
;; Non--fname and remote buffers are ignored.
(bufs (cl-loop for buf in cands
for fname = (buffer-file-name (get-buffer buf))
when (and fname (not (file-remote-p fname)))
collect (expand-file-name fname))))
(if bufs
(if zgrep
(helm-do-grep-1 bufs nil 'zgrep)
(helm-do-grep-1 bufs))
;; bufs is empty, thats mean we have only CANDIDATE
;; and it is not a buffer-filename, fallback to occur.
(switch-to-buffer candidate)
(when (get-buffer helm-action-buffer)
(kill-buffer helm-action-buffer))
(helm-occur)
(when (eq helm-exit-status 1)
(set-window-configuration win-conf)))))
(defun helm-grep-buffers (candidate)
"Action to grep buffers."
(helm-grep-buffers-1 candidate))
(defun helm-zgrep-buffers (candidate)
"Action to zgrep buffers."
(helm-grep-buffers-1 candidate 'zgrep))
;;; Helm interface for pdfgrep
;; pdfgrep program <http://pdfgrep.sourceforge.net/>
;; and a pdf-reader (e.g xpdf) are needed.
;;
(defvar helm-pdfgrep-default-function 'helm-pdfgrep-init)
(defun helm-pdfgrep-init (only-files)
"Start an asynchronous pdfgrep process in ONLY-FILES list."
(let* ((default-directory (or helm-ff-default-directory
default-directory))
(fnargs (helm-grep-prepare-candidates
(if (file-remote-p default-directory)
(mapcar (lambda (x)
(file-remote-p x 'localname))
only-files)
only-files)
default-directory))
(cmd-line (format helm-pdfgrep-default-command
helm-pattern
fnargs))
process-connection-type)
;; Start pdf grep process.
(helm-log "Starting Pdf Grep process in directory `%s'" default-directory)
(helm-log "Command line used was:\n\n%s"
(concat ">>> " (propertize cmd-line 'face 'helm-grep-cmd-line) "\n\n"))
(prog1
(start-file-process-shell-command
"pdfgrep" helm-buffer cmd-line)
(message nil)
(set-process-sentinel
(get-buffer-process helm-buffer)
(lambda (_process event)
(if (string= event "finished\n")
(with-helm-window
(setq mode-line-format
'(" " mode-line-buffer-identification " "
(:eval (format "L%s" (helm-candidate-number-at-point))) " "
(:eval (propertize
(format "[Pdfgrep Process Finish - %s result(s)] "
(max (1- (count-lines
(point-min) (point-max))) 0))
'face 'helm-grep-finish))))
(force-mode-line-update))
(helm-log "Error: Pdf grep %s"
(replace-regexp-in-string "\n" "" event))))))))
(defun helm-do-pdfgrep-1 (only)
"Launch pdfgrep with a list of ONLY files."
(unless (executable-find "pdfgrep")
(error "Error: No such program `pdfgrep'."))
(let* (helm-grep-in-recurse) ; recursion is never used in pdfgrep.
;; When called as action from an other source e.g *-find-files
;; we have to kill action buffer.
(when (get-buffer helm-action-buffer)
(kill-buffer helm-action-buffer))
(setq helm-pdfgrep-targets only)
(helm
:sources (helm-build-async-source "PdfGrep"
:init (lambda ()
;; If `helm-find-files' haven't already started,
;; give a default value to `helm-ff-default-directory'.
(setq helm-ff-default-directory (or helm-ff-default-directory
default-directory)))
:candidates-process (lambda ()
(funcall helm-pdfgrep-default-function helm-pdfgrep-targets))
:nohighlight t
:nomark t
:filter-one-by-one #'helm-grep-filter-one-by-one
:candidate-number-limit 9999
:history 'helm-grep-history
:keymap helm-pdfgrep-map
:help-message 'helm-pdfgrep-help-message
:action #'helm-pdfgrep-action
:persistent-help "Jump to PDF Page"
:requires-pattern 2)
:buffer "*helm pdfgrep*"
:history 'helm-grep-history)))
(defun helm-pdfgrep-action (candidate)
(helm-grep-action candidate 'pdf))
(defun helm-pdfgrep-action-1 (_split pageno fname)
(save-selected-window
(start-file-process-shell-command
"pdf-reader" nil
(format-spec helm-pdfgrep-default-read-command
(list (cons ?f fname) (cons ?p pageno))))))
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;;; AG - PT - RG
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;;
;; https://github.com/ggreer/the_silver_searcher
;; https://github.com/monochromegane/the_platinum_searcher
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;; https://github.com/BurntSushi/ripgrep
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(defcustom helm-grep-ag-command
"ag --line-numbers -S --hidden --color --nogroup %s %s %s"
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"The default command for AG, PT or RG.
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Takes three format specs, the first for type(s), the second for pattern
and the third for directory.
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Here the command line to use with ripgrep:
rg --smart-case --no-heading --line-number %s %s %s
If you want native color output with ripgrep (--color=always)
you have to use a workaround as ripgrep is not supporting emacs
dumb terminal, here it is:
TERM=eterm-color rg --color=always --smart-case --no-heading --line-number %s %s %s
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You must use an output format that fit with helm grep, that is:
\"filename:line-number:string\"
The option \"--nogroup\" allow this.
The option \"--line-numbers\" is also mandatory except with PT (not supported).
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For RG the options \"--no-heading\" and \"--line-number\" are the ones to use.
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You can use safely \"--color\" (used by default) with AG and PT."
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:group 'helm-grep
:type 'string)
(defun helm-grep--ag-command ()
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(car (helm-remove-if-match
"\\`[A-Z]*=" (split-string helm-grep-ag-command))))
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(defun helm-grep-ag-get-types ()
"Returns a list of AG types if available with AG version.
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See AG option \"--list-file-types\"
Ripgrep (rg) types are also supported if this backend is used."
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(with-temp-buffer
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(let* ((com (helm-grep--ag-command))
(ripgrep (string= com "rg"))
(regex (if ripgrep "^\\(.*\\):" "^ *\\(--[a-z]*\\)"))
(prefix (if ripgrep "-t" "")))
(when (equal (call-process com
nil t nil
(if ripgrep
"--type-list" "--list-file-types")) 0)
(goto-char (point-min))
(cl-loop while (re-search-forward regex nil t)
for type = (match-string 1)
collect (cons type (concat prefix type)))))))
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(defun helm-grep-ag-prepare-cmd-line (pattern directory &optional type)
"Prepare AG command line to search PATTERN in DIRECTORY.
When TYPE is specified it is one of what returns `helm-grep-ag-get-types'
if available with current AG version."
(let* ((patterns (split-string pattern))
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(smartcase (let ((case-fold-search nil))
(string-match-p
"[[:upper:]]" helm-pattern)))
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(pipe-switches (mapconcat 'identity helm-grep-ag-pipe-cmd-switches " "))
(pipe-cmd (helm-acond ((or (executable-find "ack")
(executable-find "ack-grep"))
(replace-regexp-in-string
"\\s-\\'" ""
(format "%s --smart-case --color %s"
(helm-basename it)
pipe-switches)))
(t (format "grep --perl-regexp --color=always%s %s"
(if smartcase " -i" "")
pipe-switches))))
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(cmd (format helm-grep-ag-command
(mapconcat 'identity type " ")
(shell-quote-argument (car patterns))
(shell-quote-argument directory))))
(helm-aif (cdr patterns)
(concat cmd (cl-loop for p in it concat
(format " | %s %s"
pipe-cmd (shell-quote-argument p))))
cmd)))
(defun helm-grep-ag-init (directory &optional type)
"Start AG process in DIRECTORY maybe searching only files of type TYPE."
(let ((cmd-line (helm-grep-ag-prepare-cmd-line
helm-pattern directory type)))
(set (make-local-variable 'helm-grep-last-cmd-line) cmd-line)
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(helm-log "Starting %s process in directory `%s'"
(helm-grep--ag-command) directory)
(helm-log "Command line used was:\n\n%s"
(concat ">>> " cmd-line "\n\n"))
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(prog1
(start-process-shell-command
"ag" helm-buffer cmd-line)
(set-process-sentinel
(get-buffer-process helm-buffer)
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(lambda (process event)
(let* ((err (process-exit-status process))
(noresult (= err 1)))
(cond (noresult
(with-helm-buffer
(insert (concat "* Exit with code 1, no result found,"
" command line was:\n\n "
(propertize helm-grep-last-cmd-line
'face 'helm-grep-cmd-line)))
(setq mode-line-format
'(" " mode-line-buffer-identification " "
(:eval (format "L%s" (helm-candidate-number-at-point))) " "
(:eval (propertize
(format
"[%s process finished - (no results)] "
(upcase (helm-grep--ag-command)))
'face 'helm-grep-finish))))))
((string= event "finished\n")
(with-helm-window
(setq mode-line-format
'(" " mode-line-buffer-identification " "
(:eval (format "L%s" (helm-candidate-number-at-point))) " "
(:eval (propertize
(format
"[%s process finished - (%s results)] "
(upcase (helm-grep--ag-command))
(helm-get-candidate-number))
'face 'helm-grep-finish))))
(force-mode-line-update)))
(t (helm-log
"Error: %s %s"
(helm-grep--ag-command)
(replace-regexp-in-string "\n" "" event))))))))))
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(defclass helm-grep-ag-class (helm-source-async)
((nohighlight :initform t)
(keymap :initform helm-grep-map)
(help-message :initform 'helm-grep-help-message)
(filter-one-by-one :initform 'helm-grep-filter-one-by-one)
(persistent-action :initform 'helm-grep-persistent-action)
(candidate-number-limit :initform 99999)
(requires-pattern :initform 2)
(nomark :initform t)
(action :initform 'helm-grep-actions)))
(defvar helm-source-grep-ag nil)
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(defmethod helm--setup-source ((source helm-grep-ag-class))
(call-next-method)
(helm-aif (and helm-follow-mode-persistent
helm-source-grep-ag
(assoc-default 'follow helm-source-grep-ag))
(setf (slot-value source 'follow) it)))
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(defun helm-grep-ag-1 (directory &optional type)
"Start helm ag in DIRECTORY maybe searching in files of type TYPE."
(setq helm-source-grep-ag
(helm-make-source (upcase (helm-grep--ag-command)) 'helm-grep-ag-class
:header-name (lambda (name)
(format "%s [%s]"
name (abbreviate-file-name directory)))
:candidates-process
(lambda () (helm-grep-ag-init directory type))))
(helm :sources 'helm-source-grep-ag
:keymap helm-grep-map
:truncate-lines helm-grep-truncate-lines
:buffer (format "*helm %s*" (helm-grep--ag-command))))
(defun helm-grep-ag (directory with-types)
"Start grep AG in DIRECTORY.
When WITH-TYPES is non-nil provide completion on AG types."
(helm-grep-ag-1 directory
(helm-aif (and with-types
(helm-grep-ag-get-types))
(helm-comp-read
"Ag type: " it
:must-match t
:marked-candidates t
:fc-transformer 'helm-adaptive-sort
:buffer "*helm ag types*"))))
;;; Git grep
;;
;;
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(defvar helm-source-grep-git nil)
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(defcustom helm-grep-git-grep-command
"git --no-pager grep -n%cH --color=always --exclude-standard --no-index --full-name -e %p -- %f"
"The git grep default command line.
The option \"--color=always\" can be used safely.
The color of matched items can be customized in your .gitconfig
See `helm-grep-default-command' for more infos.
The \"--exclude-standard\" and \"--no-index\" switches allow
skipping unwanted files specified in ~/.gitignore_global
and searching files not already staged.
You have also to enable this in global \".gitconfig\" with
\"git config --global core.excludesfile ~/.gitignore_global\"."
:group 'helm-grep
:type 'string)
(defun helm-grep-git-1 (directory &optional all default input)
"Run git-grep on DIRECTORY.
If DIRECTORY is not inside or part of a git repo exit with error.
If optional arg ALL is non-nil grep the whole repo otherwise start
at DIRECTORY.
Arg DEFAULT is what you will have with `next-history-element',
arg INPUT is what you will have by default at prompt on startup."
(require 'vc)
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(let* (helm-grep-default-recurse-command
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;; Expand filename of each candidate with the git root dir.
;; The filename will be in the help-echo prop.
(helm-grep-default-directory-fn (lambda ()
(vc-find-root directory ".git")))
(helm-ff-default-directory (funcall helm-grep-default-directory-fn)))
(cl-assert helm-ff-default-directory nil "Not inside a Git repository")
(helm-do-grep-1 (if all '("") `(,(expand-file-name directory)))
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nil 'git nil default input 'helm-source-grep-git)))
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;;;###autoload
(defun helm-do-grep-ag (arg)
"Preconfigured helm for grepping with AG in `default-directory'.
With prefix-arg prompt for type if available with your AG version."
(interactive "P")
(require 'helm-files)
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(helm-grep-ag (expand-file-name default-directory) arg))
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;;;###autoload
(defun helm-grep-do-git-grep (arg)
"Preconfigured helm for git-grepping `default-directory'.
With a prefix arg ARG git-grep the whole repository."
(interactive "P")
(require 'helm-files)
(helm-grep-git-1 default-directory arg))
(provide 'helm-grep)
;; Local Variables:
;; byte-compile-warnings: (not cl-functions obsolete)
;; coding: utf-8
;; indent-tabs-mode: nil
;; End:
;;; helm-grep.el ends here