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I'm using counsel-git-grep to search inside a project for a specific string, which works great. However, I would like to additionally specify a filetype pattern to reduce the result set. I tried queries like string -- '*.filetype' but none of them worked. I know I can customize the counsel-git-grep-cmd-default but this seems to be a very static approach.

So the question is, is there a way to define a filetype pattern inside a query string of counsel-git-grep?

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  • FWIW, a slightly less static alternative to customising counsel-git-grep is invoking M-x counsel-git-grep-switch-cmd RET to do it for you (with history). – Basil Dec 2 '17 at 14:19
  • You can also modify the command for each invocation of counsel-git-grep by calling it with a prefix argument, i.e. C-u M-x counsel-git-grep RET. – Basil Dec 2 '17 at 14:30
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I had the same requirement and have found this question on the internet search.

Because I didn't want to modify the git command every timeI wrote a small wrapper which adapts the git grep command to the current file extension:

(defun counsel-git-grep-current-mode ()
  "Like `counsel-git-grep', but limit to current file extension."
  (interactive)
  (pcase-let ((`(_ . ,cmd) (counsel--git-grep-cmd-and-proj nil))
          (ext (file-name-extension (buffer-file-name))))
    (counsel-git-grep nil nil (format "%s -- '*.%s'" cmd (shell-quote-argument ext)))))

Source: counsel-git-grep-current-mode

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