1 :let g:vimball_home="."

     1 let g:vimball_home="."

     2 :e Makefile

     2 e Makefile

     3 :%!grep ^SOURCE

     3 %!grep ^SOURCE

     4 :%s/^SOURCE\s\++\?=\s\+//

     4 %s/^SOURCE\s\++\?=\s\+//

     5 :execute '%MkVimball!' . g:plugin_name

     5 execute '%MkVimball!' . g:plugin_name

     6 :q!