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ocamlforamt hook: buffers without a file name

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The behavior before this PR would cause an error if a buffer not backed
by a file was opened. This can be trivially reproduced by opening a
merge/rebase conflict using ediff inside an .ml file.

Signed-off-by: Rudi Grinberg <me@rgrinberg.com>
This commit is contained in:
Rudi Grinberg 2021-04-12 20:18:49 -07:00
parent ce65645fb8
commit 47d9f52b6f
1 changed files with 6 additions and 5 deletions
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3
modules/lang/ocaml/config.el
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@ -111,9 +111,10 @@
(setq +format-with 'ocp-indent)
(when (and (executable-find "ocamlformat")
(locate-dominating-file default-directory ".ocamlformat"))
(when buffer-file-name
(let ((ext (file-name-extension buffer-file-name t)))
(cond ((equal ext ".eliom")
(setq-local ocamlformat-file-kind 'implementation))
((equal ext ".eliomi")
(setq-local ocamlformat-file-kind 'interface))))
(setq-local ocamlformat-file-kind 'interface)))))
(setq +format-with 'ocamlformat))))