From 6902f6bc1cdde530c2b335e4b4ebc7745d18c34b Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 24 Nov 2017 01:07:14 +0900
Subject: [PATCH] [[B]Commits] CTRL-Y to yank commit hashes to register

Close #516
---
 autoload/fzf/vim.vim | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 9f83e6c..89537f9 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -1043,16 +1043,29 @@ endfunction
 " ------------------------------------------------------------------
 " Commits / BCommits
 " ------------------------------------------------------------------
+function! s:yank_to_register(data)
+  let @" = a:data
+  silent! let @* = a:data
+  silent! let @+ = a:data
+endfunction
+
 function! s:commits_sink(lines)
   if len(a:lines) < 2
     return
   endif
 
+  let pat = '[0-9a-f]\{7,9}'
+
+  if a:lines[0] == 'ctrl-y'
+    let hashes = join(filter(map(a:lines[1:], 'matchstr(v:val, pat)'), 'len(v:val)'))
+    return s:yank_to_register(hashes)
+  end
+
   let diff = a:lines[0] == 'ctrl-d'
   let cmd = s:action_for(a:lines[0], 'e')
   let buf = bufnr('')
   for idx in range(1, len(a:lines) - 1)
-    let sha = matchstr(a:lines[idx], '[0-9a-f]\{7,9}')
+    let sha = matchstr(a:lines[idx], pat)
     if !empty(sha)
       if diff
         if idx > 1
@@ -1098,8 +1111,8 @@ function! s:commits(buffer_local, args)
   \ 'sink*':   s:function('s:commits_sink'),
   \ 'options': ['--ansi', '--multi', '--tiebreak=index', '--reverse',
   \   '--inline-info', '--prompt', command.'> ', '--bind=ctrl-s:toggle-sort',
-  \   '--header', ':: Press '.s:magenta('CTRL-S', 'Special').' to toggle sort',
-  \   '--expect='.expect_keys]
+  \   '--header', ':: Press '.s:magenta('CTRL-S', 'Special').' to toggle sort, '.s:magenta('CTRL-Y', 'Special').' to yank commit hashes',
+  \   '--expect=ctrl-y,'.expect_keys]
   \ }
 
   if a:buffer_local