Add phpstan-get-config-file-and-set-flycheck-variable as side effect

Author: zonuexe

phpstan.el

@@ -67,6 +67,9 @@
                          (and (stringp v)
                               (string-match-p "\\`[0-9]\\'" v))))))
 
+;; Usually it is defined dynamically by flycheck
+(defvar flycheck-phpstan-executable)
+
 ;;;###autoload
 (progn
   (defvar phpstan-executable nil
@@ -103,6 +106,17 @@ NIL
              if dir
              return (expand-file-name name dir))))
 
+(defun phpstan-get-config-file-and-set-flycheck-variable ()
+  "Return path to phpstan configure file, and set buffer execute in side effect."
+  (prog1 (phpstan-get-config-file)
+    (when (and phpstan-flycheck-auto-set-executable
+               (not (and (boundp 'flycheck-phpstan-executable)
+                         (symbol-value 'flycheck-phpstan-executable)))
+               (stringp (car phpstan-executable))
+               (listp (cdr phpstan-executable)))
+      (set (make-local-variable 'flycheck-phpstan-executable)
+           (car phpstan-executable)))))
+
 (defun phpstan-get-level ()
   "Return path to phpstan configure file or `NIL'."
   (cond
@@ -139,7 +153,7 @@ NIL
               "-l" (eval (phpstan-get-level))
               source)
     :working-directory (lambda (_) (php-project-get-root-dir))
-    :enabled (lambda () (phpstan-get-config-file))
+    :enabled (lambda () (phpstan-get-config-file-and-set-flycheck-variable))
     :error-patterns
     ((error line-start (1+ (not (any ":"))) ":" line ":" (message) line-end))
     :modes (php-mode)