Add ripgrep support

* Add rg to helm completion layer
* Add rg to ivy layer
* Prepend rg to dotspacemacs-search-tools
* Add rg to documentation

core/core-dotspacemacs.el

@@ -326,9 +326,9 @@ to aggressively delete empty lines and long sequences of whitespace, `trailing'
 to delete only the whitespace at end of lines, `changed' to delete only
 whitespace for changed lines or `nil' to disable cleanup.")
 
-(defvar dotspacemacs-search-tools '("ag" "pt" "ack" "grep")
+(defvar dotspacemacs-search-tools '("rg" "ag" "pt" "ack" "grep")
   "List of search tool executable names. Spacemacs uses the first installed
-tool of the list. Supported tools are `ag', `pt', `ack' and `grep'.")
+tool of the list. Supported tools are `rg', `ag', `pt', `ack' and `grep'.")
 
 (defvar dotspacemacs-default-package-repository 'melpa-stable
   "The default package repository used if no explicit repository has been

doc/DOCUMENTATION.org

@@ -2289,10 +2289,11 @@ You can toggle auto-save in a buffer by calling the command =auto-save-mode=.
 ** Searching
 *** With an external tool
 Spacemacs can be interfaced with different search utilities like:
-  - ack
+  - [[https://github.com/BurntSushi/ripgrep][rg]]
-  - grep
   - [[https://github.com/ggreer/the_silver_searcher][ag]]
   - [[https://github.com/monochromegane/the_platinum_searcher][pt]]
+  - [[http://beyondgrep.com/][ack]]
+  - grep
 
 The search commands in Spacemacs are organized under the ~SPC s~ prefix with the
 next key is the tool to use and the last key is the scope. For instance ~SPC s a
@@ -2304,9 +2305,9 @@ a B~ will search with symbol under point (if there is no active region).
 
 If the tool key is omitted then a default tool will be automatically selected
 for the search. This tool corresponds to the first tool found on the system of
-the list =dotspacemacs-search-tools=, the default order is =ag=, =pt=, =ack=
+the list =dotspacemacs-search-tools=, the default order is =rg=, =ag=, =pt=,
-then =grep=. For instance ~SPC s b~ will search in the opened buffers using =pt=
+=ack= then =grep=. For instance ~SPC s b~ will search in the opened buffers
-if =ag= has not been found on the system.
+using =pt= if =rg= and =ag= have not been found on the system.
 
 The tool keys are:
 
@@ -2315,6 +2316,7 @@ The tool keys are:
 | ag   | a   |
 | grep | g   |
 | ack  | k   |
+| rg   | r   |
 | pt   | t   |
 
 The available scopes and corresponding keys are:
@@ -2330,7 +2332,7 @@ of the sequence, for instance ~SPC s a a~ will search in the current
 file with =ag=.
 
 *Notes*:
-- =ag= and =pt= are optimized to be used in a source control repository but
+- =rg=, =ag= and =pt= are optimized to be used in a source control repository but
   they can be used in an arbitrary directory as well.
 - It is also possible to search in several directories at once by marking
   them in the helm buffer.
@@ -2362,6 +2364,8 @@ bindings (~SPC e n~ and ~SPC e p~) as well as the error transient state (~SPC e~
 | ~SPC s a A~ | =ag= with default input                             |
 | ~SPC s g g~ | =grep=                                              |
 | ~SPC s g G~ | =grep= with default input                           |
+| ~SPC s r r~ | =rg=                                                |
+| ~SPC s r R~ | =rg= with default input                             |
 
 **** Searching in all open buffers visiting files
 
@@ -2375,6 +2379,8 @@ bindings (~SPC e n~ and ~SPC e p~) as well as the error transient state (~SPC e~
 | ~SPC s g B~ | =grep= with default text                            |
 | ~SPC s k b~ | =ack=                                               |
 | ~SPC s k B~ | =ack= with default text                             |
+| ~SPC s r b~ | =rg=                                                |
+| ~SPC s r B~ | =rg= with default text                              |
 | ~SPC s t b~ | =pt=                                                |
 | ~SPC s t B~ | =pt= with default text                              |
 
@@ -2390,6 +2396,8 @@ bindings (~SPC e n~ and ~SPC e p~) as well as the error transient state (~SPC e~
 | ~SPC s g F~ | =grep= with default text                            |
 | ~SPC s k f~ | =ack=                                               |
 | ~SPC s k F~ | =ack= with default text                             |
+| ~SPC s r f~ | =rg=                                                |
+| ~SPC s r F~ | =rg= with default text                              |
 | ~SPC s t f~ | =pt=                                                |
 | ~SPC s t F~ | =pt= with default text                              |
 
@@ -2406,6 +2414,8 @@ bindings (~SPC e n~ and ~SPC e p~) as well as the error transient state (~SPC e~
 | ~SPC s k P~           | =ack= with default text                             |
 | ~SPC s t p~           | =pt=                                                |
 | ~SPC s t P~           | =pt= with default text                              |
+| ~SPC s r p~           | =rg=                                                |
+| ~SPC s r P~           | =rg= with default text                              |
 
 *Hint*: It is also possible to search in a project without needing to open a
 file beforehand. To do so use ~SPC p p~ and then ~C-s~ on a given project to
@@ -2789,8 +2799,8 @@ an ~occurrence~.
    e p ESC ESC~
 
 *** Replacing text in several files
-If you have =ag=, =pt= or =ack= installed, replacing an occurrence of text in
+If you have =rg=, =ag=, =pt= or =ack= installed, replacing an occurrence of text
-several files can be performed via [[https://github.com/syohex/emacs-helm-ag][helm-ag]].
+in several files can be performed via [[https://github.com/syohex/emacs-helm-ag][helm-ag]].
 
 Say you want to replace all =foo= occurrences by =bar= in your current
 project:
@@ -2800,8 +2810,8 @@ project:
   - edit the occurrences then leave the =iedit state=
   - press ~C-c C-c~
 
-*Note*: In Spacemacs, =helm-ag= despite its name works with =ack= and =pt= as
+*Note*: In Spacemacs, =helm-ag= despite its name works with =rg=, =pt= and =ack=
-well (but not with =grep=).
+as well (but not with =grep=).
 
 *** Renaming files in a directory
 It is possible to batch rename files in a directory using =wdired= from an
@@ -3006,6 +3016,7 @@ To search in a project see [[Searching in a project][project searching]].
 | ~SPC s g p~ | run =grep=                                              |
 | ~SPC s k p~ | run =ack=                                               |
 | ~SPC s t p~ | run =pt=                                                |
+| ~SPC s r p~ | run =rg=                                                |
 
 *Note for Windows Users*: To enable fast indexing the GNU ~find~ or
 Cygwin ~find~ must be in your ~PATH~.

layers/+completion/helm/packages.el

@@ -242,6 +242,17 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         (interactive)
         (spacemacs//helm-do-ag-region-or-symbol 'spacemacs/helm-files-do-pt))
 
+      (defun spacemacs/helm-files-do-rg (&optional dir)
+        "Search in files with `rg'."
+        (interactive)
+        (let ((helm-ag-base-command "rg --smart-case --no-heading --vimgrep"))
+          (helm-do-ag dir)))
+
+      (defun spacemacs/helm-files-do-rg-region-or-symbol ()
+        "Search in files with `rg' using a default input."
+        (interactive)
+        (spacemacs//helm-do-ag-region-or-symbol 'spacemacs/helm-files-do-rg))
+
       (defun spacemacs/helm-files-smart-do-search (&optional default-inputp)
         "Search in opened buffers using `dotspacemacs-search-tools'.
 Search for a search tool in the order provided by `dotspacemacs-search-tools'
@@ -294,6 +305,17 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         (interactive)
         (spacemacs//helm-do-ag-region-or-symbol 'spacemacs/helm-buffers-do-pt))
 
+      (defun spacemacs/helm-buffers-do-rg (&optional _)
+        "Search in opened buffers with `rg'."
+        (interactive)
+        (let ((helm-ag-base-command "rg --smart-case --no-heading --vimgrep"))
+          (helm-do-ag-buffers)))
+
+      (defun spacemacs/helm-buffers-do-rg-region-or-symbol ()
+        "Search in opened buffers with `rg' using a default input."
+        (interactive)
+        (spacemacs//helm-do-ag-region-or-symbol 'spacemacs/helm-buffers-do-rg))
+
       (defun spacemacs/helm-buffers-smart-do-search (&optional default-inputp)
         "Search in opened buffers using `dotspacemacs-search-tools'.
 Search for a search tool in the order provided by `dotspacemacs-search-tools'
@@ -364,6 +386,23 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
                'spacemacs/helm-files-do-pt dir)
             (message "error: Not in a project."))))
 
+      (defun spacemacs/helm-project-do-rg ()
+        "Search in current project with `rg'."
+        (interactive)
+        (let ((dir (projectile-project-root)))
+          (if dir
+              (spacemacs/helm-files-do-rg dir)
+            (message "error: Not in a project."))))
+
+      (defun spacemacs/helm-project-do-rg-region-or-symbol ()
+        "Search in current project with `rg' using a default input."
+        (interactive)
+        (let ((dir (projectile-project-root)))
+          (if dir
+              (spacemacs//helm-do-ag-region-or-symbol
+               'spacemacs/helm-files-do-rg dir)
+            (message "error: Not in a project."))))
+
       (defun spacemacs/helm-project-smart-do-search (&optional default-inputp)
         "Search in current project using `dotspacemacs-search-tools'.
 Search for a search tool in the order provided by `dotspacemacs-search-tools'
@@ -384,7 +423,7 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         (spacemacs/helm-project-smart-do-search t))
 
       ;; This overrides the default C-s action in helm-projectile-switch-project
-      ;; to search using ag/pt/whatever instead of just grep
+      ;; to search using rg/ag/pt/whatever instead of just grep
       (with-eval-after-load 'helm-projectile
         (defun spacemacs/helm-project-smart-do-search-in-dir (dir)
           (interactive)
@@ -412,6 +451,8 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         "saB" 'spacemacs/helm-buffers-do-ag-region-or-symbol
         "skb" 'spacemacs/helm-buffers-do-ack
         "skB" 'spacemacs/helm-buffers-do-ack-region-or-symbol
+        "srb" 'spacemacs/helm-buffers-do-rg
+        "srB" 'spacemacs/helm-buffers-do-rg-region-or-symbol
         "stb" 'spacemacs/helm-buffers-do-pt
         "stB" 'spacemacs/helm-buffers-do-pt-region-or-symbol
         ;; current file scope
@@ -426,6 +467,8 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         "saF" 'spacemacs/helm-files-do-ag-region-or-symbol
         "skf" 'spacemacs/helm-files-do-ack
         "skF" 'spacemacs/helm-files-do-ack-region-or-symbol
+        "srf" 'spacemacs/helm-files-do-rg
+        "srF" 'spacemacs/helm-files-do-rg-region-or-symbol
         "stf" 'spacemacs/helm-files-do-pt
         "stF" 'spacemacs/helm-files-do-pt-region-or-symbol
         ;; current project scope
@@ -437,6 +480,8 @@ Search for a search tool in the order provided by `dotspacemacs-search-tools'."
         "saP" 'spacemacs/helm-project-do-ag-region-or-symbol
         "skp" 'spacemacs/helm-project-do-ack
         "skP" 'spacemacs/helm-project-do-ack-region-or-symbol
+        "srp" 'spacemacs/helm-project-do-rg
+        "srP" 'spacemacs/helm-project-do-rg-region-or-symbol
         "stp" 'spacemacs/helm-project-do-pt
         "stP" 'spacemacs/helm-project-do-pt-region-or-symbol))
     :config

layers/+completion/ivy/config.el

@@ -13,7 +13,8 @@
 ;; Variables
 
 (defvar spacemacs--counsel-commands
-  '(("ag" . "ag --nocolor --nogroup %s %S .")
+  '(("rg" . "rg --smart-case --no-heading --vimgrep %s %S .")
+    ("ag" . "ag --nocolor --nogroup %s %S .")
     ("pt" . "pt -e --nocolor --nogroup %s %S .")
     ("ack" . "ack --nocolor --nogroup %s %S .")
     ("grep" . "grep -nrP %s %S ."))

layers/+completion/ivy/funcs.el

@@ -165,6 +165,7 @@ that directory."
 ;; Define search functions for each tool
 (cl-loop
    for (tools tool-name) in '((dotspacemacs-search-tools "auto")
+                              ((list "rg") "rg")
                               ((list "ag") "ag")
                               ((list "pt") "pt")
                               ((list "ack") "ack")

layers/+completion/ivy/packages.el

@@ -77,10 +77,6 @@
         "saF" 'spacemacs/search-ag-region-or-symbol
         "sap" 'spacemacs/search-project-ag
         "saP" 'spacemacs/search-project-ag-region-or-symbol
-        "stf" 'spacemacs/search-pt
-        "stF" 'spacemacs/search-pt-region-or-symbol
-        "stp" 'spacemacs/search-project-pt
-        "stP" 'spacemacs/search-project-pt-region-or-symbol
         "sgf" 'spacemacs/search-grep
         "sgF" 'spacemacs/search-grep-region-or-symbol
         "sgp" 'counsel-git-grep
@@ -88,7 +84,15 @@
         "skf" 'spacemacs/search-ack
         "skF" 'spacemacs/search-ack-region-or-symbol
         "skp" 'spacemacs/search-project-ack
-        "skP" 'spacemacs/search-project-ack-region-or-symbol)
+        "skP" 'spacemacs/search-project-ack-region-or-symbol
+        "srf" 'spacemacs/search-rg
+        "srF" 'spacemacs/search-rg-region-or-symbol
+        "srp" 'spacemacs/search-project-rg
+        "srP" 'spacemacs/search-project-rg-region-or-symbol
+        "stf" 'spacemacs/search-pt
+        "stF" 'spacemacs/search-pt-region-or-symbol
+        "stp" 'spacemacs/search-project-pt
+        "stP" 'spacemacs/search-project-pt-region-or-symbol)
 
       ;; set additional ivy actions
       (ivy-set-actions