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-rw-r--r--users/grfn/emacs.d/terraform.el24
1 files changed, 24 insertions, 0 deletions
diff --git a/users/grfn/emacs.d/terraform.el b/users/grfn/emacs.d/terraform.el
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index 000000000000..28e7ce09a25a
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+++ b/users/grfn/emacs.d/terraform.el
@@ -0,0 +1,24 @@
+;;; -*- lexical-binding: t; -*-
+
+(add-hook 'terraform-mode-hook #'terraform-format-on-save-mode)
+
+(defun packer-format-buffer ()
+  (interactive)
+  (let ((buf (get-buffer-create "*packer-fmt*")))
+    (if (zerop (call-process "packer" nil buf nil "fmt" (buffer-file-name)))
+        (revert-buffer t t t)
+      (message "packer fmt failed: %s" (with-current-buffer buf (buffer-string))))))
+
+(define-minor-mode packer-format-on-save-mode
+  "Run packer-format-buffer before saving the current buffer"
+  :lighter nil
+  (if packer-format-on-save-mode
+      (add-hook 'before-save-hook #'packer-format-buffer nil t)
+    (remove-hook 'before-save-hook #'packer-format-buffer t)))
+
+(defun maybe-init-packer ()
+  (interactive)
+  (when (s-ends-with-p ".pkr" (file-name-base (buffer-file-name)))
+    (packer-format-on-save-mode)))
+
+(add-hook 'hcl-mode-hook #'maybe-init-packer)