Make sure column numbers are shown in nogroup mode (#113)

Apparently the column number visibility was forgotten when
implementing alignment support for grouped mode. Should work now and
also be tested.

rg.el

@@ -153,8 +153,7 @@ line flags to use.")
     "--colors=path:fg:magenta"
     "--colors=line:fg:green"
     "--colors=column:none"
-    "-n"
-    "--column"))
+    "-n"))
 
 (defconst rg-internal-type-aliases
   '(("all" . "all defined type aliases") ; rg --type=all
@@ -222,6 +221,8 @@ are command line flags to use for the search."
   (let ((command-line
          (append
           rg-required-command-line-flags
+          (when (or rg-show-columns rg-group-result)
+            (list "--column"))
           (rg-build-type-add-args)
           (if (functionp rg-command-line-flags)
               (funcall rg-command-line-flags)

test/rg.el-test.el

@@ -625,6 +625,22 @@ method. "
         (rg-toggle-command-hiding)
         (should (get-text-property (point) 'display)))))
 
+(ert-deftest rg-integration/nogroup-show-columns ()
+  "Test that column numbers are shown in no group mode if enabled."
+  :tags '(need-rg)
+  (let ((rg-group-result nil)
+        (rg-show-columns t))
+    (rg-test-with-first-error "hello"
+     (should (looking-at ".*:[0-9]:[0-9]")))))
+
+(ert-deftest rg-integration/nogroup-hide-columns ()
+  "Test that column numbers are hidden in no group mode if disabled."
+  :tags '(need-rg)
+  (let ((rg-group-result nil)
+        (rg-show-columns nil))
+    (rg-test-with-first-error "hello"
+     (should (looking-at ".*:[0-9]:[^0-9]")))))
+
 (ert-deftest rg-integration/positions-line-only ()
   "Test line position format without alignment."
   :tags '(need-rg)

test/test-helper.el

@@ -128,12 +128,11 @@ SEARCH can either be a search string or a form invocating `rg-run'."
 (defmacro rg-test-with-first-error (search &rest body)
   "Run search and put point at start of first error line when running BODY."
   (declare (indent 0) (debug t))
-  `(let ((rg-group-result t))
-     (rg-test-with-fontified-buffer ,search
-       (compilation-next-error 1)
-       (should-not (eq (point) (point-max)))
-       (beginning-of-line)
-       ,@body)))
+  `(rg-test-with-fontified-buffer ,search
+     (compilation-next-error 1)
+     (should-not (eq (point) (point-max)))
+     (beginning-of-line)
+     ,@body))
 
 (defun simulate-rg-run (pattern files dir)
   (setq-default rg-cur-search