Support for git init

magit.el

@@ -251,7 +251,7 @@ Many Magit faces inherit from this one by default."
       nil)))
 
 (defun magit-read-top-dir ()
-  (magit-get-top-dir
+  (file-name-as-directory
    (read-directory-name "Git repository: "
 			(magit-get-top-dir default-directory))))
 
@@ -1656,21 +1656,44 @@ in log buffer."
 	(when remote
 	  (magit-insert-unpushed-commits remote branch))))))
 
+(defun magit-init (dir)
+  "Initialize git repository in specified directory"
+  (interactive (list (read-directory-name "Directory for git repository: ")))
+  (let ((topdir (magit-get-top-dir dir)))
+    (when (or (not topdir)
+	      (y-or-n-p
+	       (format
+		(if (string-equal topdir (expand-file-name dir))
+		    "There is already git repository in %S. Reinitialize?"
+		  "There is git repository in %S. Create another in %S?")
+		topdir dir)))
+      (unless (file-directory-p dir)
+	(and (y-or-n-p (format "Directory %S does not exists. Create?" dir))
+	     (make-directory dir)))
+      (let ((default-directory dir))
+	(magit-run* (list "git" "init"))))))
+
 (defun magit-status (dir)
   (interactive (list (or (and (not current-prefix-arg)
 			      (magit-get-top-dir default-directory))
 			 (magit-read-top-dir))))
   (if magit-save-some-buffers
       (save-some-buffers (eq magit-save-some-buffers 'dontask)))
-  (let* ((topdir (magit-get-top-dir dir))
-	 (buf (or (magit-find-buffer 'status topdir)
-		  (switch-to-buffer
-		   (get-buffer-create
-		    (concat "*magit: "
-			    (file-name-nondirectory
-			     (directory-file-name topdir)) "*"))))))
-    (switch-to-buffer buf)
-    (magit-mode-init topdir 'status #'magit-refresh-status)))
+  (let ((topdir (magit-get-top-dir dir)))
+    (unless topdir
+      (when (y-or-n-p (format "There is no git repository in %S. Create?" dir))
+	(magit-init dir)
+	(setq topdir (magit-get-top-dir dir))))
+    (when topdir
+      (let ((buf (or (magit-find-buffer 'status topdir)
+                     (switch-to-buffer
+                      (get-buffer-create
+                       (concat "*magit: "
+                               (file-name-nondirectory
+                                (directory-file-name topdir)) "*"))))))
+        (switch-to-buffer buf)
+        (magit-mode-init topdir 'status #'magit-refresh-status)))))
+
 
 ;;; Staging and Unstaging