At times I want to browse the code of projects to which I have read-only access. This makes it impossible for me to drop a .projectile file at the root of the project.

Is there a way to define projects for use with projectile when I do not have write access to the project directories?

2 Answers 2


GitHub user thomasf provided a workaround which I modified only slightly:

;; (source: https://github.com/bbatsov/projectile/issues/364#issuecomment-61296248)
(defun projectile-root-child-of (dir &optional list)
   (lambda (dir)
      (if (and
           (s-equals? (file-remote-p it) (file-remote-p dir))
           (string-match-p (expand-file-name it) (expand-file-name dir)))
      (or list project-root-regexps (list))))))

(defvar project-root-regexps ()
  "List of regexps to match against when projectile is searching
  for project root directories.")

(add-to-list 'project-root-regexps "/path/to/some/project/$")
(add-to-list 'project-root-regexps "/path/to/another/project/$")
(add-to-list 'project-root-regexps "/path/to/one/more/project/$")

(nconc projectile-project-root-files-functions '(projectile-root-child-of))

This lets me add projects to to the list project-root-regexps, and as far as I can tell they behave just as if they had a .projectile file at their root.


In that case, you can temporary disable projectile-require-project-root:

(setq projectile-require-project-root nil)

Then, you can activate Projectile everywhere.

  • I just tried this out, and it seems like it would only be useful in a flat directory structure. As soon as I open a file in src/ the project root changes to src/ and I can no longer jump to the files in inc/.
    – nispio
    Oct 31, 2014 at 6:40
  • 2
    There's no way to interactively add to project list. But you may try manually adding a directory to projectile-known-projects. You could also look at this issue. Probably you should update the issue, so someone could add this feature.
    – Tu Do
    Oct 31, 2014 at 6:44
  • Adding to projectile-known-projects suffered from the same subdirectory issue that I mentioned in my first comment. I did add a comment to the GitHub issue though, and I got a helpful response.
    – nispio
    Oct 31, 2014 at 19:37

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