[defaults] Add function+shortcut for copy buffer name

CHANGELOG.develop

@@ -862,6 +862,7 @@ Other:
       root with line number
     - ~SPC f y Y~ to show and copy current file path relative to the project
       root
+    - ~SPC f y b~ to show and copy buffer name.
     (thanks to Codruț Constantin Gușoi)
   - New ~SPC f e e~ to open spacemacs.env file (thanks to Sylvain Benner)
   - New ~SPC f e E~ to reload environment variable from env file

layers/+spacemacs/spacemacs-defaults/funcs.el

@@ -690,6 +690,12 @@ ones created by `magit' and `dired'."
         (message "%s" file-name))
     (message "WARNING: Current buffer is not attached to a file!")))
 
+(defun spacemacs/copy-buffer-name ()
+  "Copy and show the name of the current buffer."
+  (interactive)
+  (kill-new (buffer-name))
+  (message "%s" (buffer-name)))
+
 (defun spacemacs/copy-file-name-base ()
   "Copy and show the file name without its final extension of the current
 buffer."

layers/+spacemacs/spacemacs-defaults/keybindings.el

@@ -373,7 +373,8 @@
     ("l" spacemacs/copy-file-path-with-line "File path with line number")
     ("n" spacemacs/copy-file-name "File name")
     ("N" spacemacs/copy-file-name-base "File name without extension")
-    ("y" spacemacs/copy-file-path "File path")))))
+    ("y" spacemacs/copy-file-path "File path")
+    ("b" spacemacs/copy-buffer-name "Buffer name")))))
 ;; frame ----------------------------------------------------------------------
 (spacemacs/set-leader-keys
   "Ff" 'spacemacs/find-file-other-frame