05074550fe
The previous impl of this was formatting the pre-save contents of the buffer, effectively preventing saving any changes (oops). Change-Id: I17d4b8ba0943964d700f7dca81af4f46b149c0b8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/3644 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
31 lines
1.1 KiB
EmacsLisp
31 lines
1.1 KiB
EmacsLisp
;;; -*- lexical-binding: t; -*-
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(add-hook 'terraform-mode-hook #'terraform-format-on-save-mode)
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(defun packer-format-buffer ()
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(interactive)
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(let ((buf (get-buffer-create "*packer-fmt*")))
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(if (zerop (call-process-region (point-min) (point-max)
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"packer" nil buf nil "fmt" "-"))
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(let ((point (point))
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(window-start (window-start)))
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(erase-buffer)
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(insert-buffer-substring buf)
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(goto-char point)
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(set-window-start nil window-start))
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(message "packer fmt failed: %s" (with-current-buffer buf (buffer-string))))
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(kill-buffer buf)))
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(define-minor-mode packer-format-on-save-mode
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"Run packer-format-buffer before saving the current buffer"
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:lighter nil
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(if packer-format-on-save-mode
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(add-hook 'before-save-hook #'packer-format-buffer nil t)
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(remove-hook 'before-save-hook #'packer-format-buffer t)))
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(defun maybe-init-packer ()
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(interactive)
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(when (s-ends-with-p ".pkr" (file-name-base (buffer-file-name)))
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(packer-format-on-save-mode)))
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(add-hook 'hcl-mode-hook #'maybe-init-packer)
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