Now the git-grep command is defined in helm-grep.el.

* helm-ls-git.el (helm-ls-git-grep-command):
Alias it for compatibility.

Author: Thierry Volpiatto

helm-ls-git.el

@@ -22,7 +22,7 @@
 (require 'cl-lib)
 (require 'vc)
 (require 'vc-git)
-(require 'helm-files)
+(require 'helm-files) ; helm-grep is required in helm-files.
 (require 'helm-types)
 
 (defvaralias 'helm-c-source-ls-git 'helm-source-ls-git)
@@ -63,20 +63,10 @@ Valid values are symbol 'abs (default) or 'relative."
                helm-source-ls-git-buffers nil))
   :type 'boolean)
 
-(defcustom helm-ls-git-grep-command
-  "git 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-ls-git
-  :type 'string)
+;; Now the git-grep command is defined in helm-grep.el,
+;; alias it for backward compatibility.
+(defvar helm-ls-git-grep-command)
+(defvaralias 'helm-ls-git-grep-command 'helm-grep-git-grep-command)
 
 (defcustom helm-ls-git-default-sources '(helm-source-ls-git-status
                                          helm-source-ls-git-buffers