Customize sql-mode, adding sqlformat package

modules/languages/siren-sql.el

@@ -0,0 +1,31 @@
+;;; siren-sql.el --- jimeh's Emacs Siren: sql-mode configuration.
+
+;;; Commentary:
+
+;; Basic configuration for sql-mode.
+
+;;; Code:
+
+(require 'siren-rainbow)
+
+(use-package sql-mode
+  :ensure nil ;; loaded from emacs built-ins
+  :mode "\\.sql\\'"
+  :hook (sql-mode . siren-sql-mode-setup)
+
+  :init
+  (defun siren-sql-mode-setup ()
+    (setq tab-width 2)
+
+    (company-mode +1)
+    (highlight-indentation-current-column-mode +1)))
+
+(use-package sqlformat
+  :hook
+  (sql-mode . sqlformat-mode)
+
+  :config
+  (setq sqlformat-command 'pgformatter))
+
+(provide 'siren-sql)
+;;; siren-sql.el ends here