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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