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I have cloned yasnippets repo repo in ~/.emacs.d/yasnippet-snippets.
I would like to synchronize it each time I start Emacs (btw, it would be nice to do it only if there is a connection available), my current (pretty raw) code is:

;; ~/.emacs
(use-package yasnippet
  :config
  (cd "~/.emacs.d/yasnippet-snippets")
  (magit-submodule-update)
  (yas-reload-all)
  (cd "~/"))

But I am getting this error in *Messages*, probably because it changes directory before finishing the magit process:

error in process sentinel: user-error: Not inside a Git repository
error in process sentinel: Not inside a Git repository

*Using: use-package

  • Both cd and magit-submodule-update are intended for interactive use. I would start by replacing cd with (setq default-directory ...), then add debug statements that print the current-buffer and default-directory to see what's going on. – tarsius Oct 21 '16 at 13:53
  • magit-submodule-update runs git asynchronously and returns before it finishes, so putting the yas-reload-all after it will not guarantee that the updated snippets are loaded. Also, yasnippet-snippets repo doesn't have submodules, did you (mean to) clone yasnippet or yasnippet-snippets repo? – npostavs Oct 21 '16 at 15:04
  • I think you shouldn't use Magit at all here as that would force you to always load it at startup. – tarsius Oct 21 '16 at 15:42
  • @npostavs thanks, instead of using magit I ended up using git directly as suggested in the answer. Also, I was following the advice in the official docs on how to update the repo: git submodule update --init. – marcanuy Oct 23 '16 at 3:15
  • The yasnippet repo has yasnippet-snippets as a submodule, so you should run subdmodule update in the yasnippet repo to update yasnippet-snippets. If you did actually clone the yasnippet repo, then it's a bit confusing to have it in a directory named yasnippet-snippets. – npostavs Oct 23 '16 at 16:24
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Something like this would probably work:

(use-package yasnippet
  :init
  (let ((default-directory "~/.emacs.d/yasnippet-snippets/"))
    (call-process "git" nil nil nil "pull")))
  • @marcanuy why are you suggesting to replace the let with a setq? Doing so would permanently changes the default-directory of the *scratch* buffer. – tarsius Oct 23 '16 at 12:51

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