Update signs across all buffers on FocusGained.

README.mkd

@@ -63,6 +63,8 @@ nmap <silent> ]h :<C-U>execute v:count1 . "GitGutterNextHunk"<CR>
 nmap <silent> [h :<C-U>execute v:count1 . "GitGutterPrevHunk"<CR>
 ```
 
+Finally, you can force vim-gitgutter to update its signs across all buffers with `:GitGutterAll`.
+
 See the customisation section below for how to change the defaults.
 
 

doc/gitgutter.txt

@@ -61,6 +61,12 @@ Commands for turning Git Gutter on and off:
   :GitGutterToggle                                           *:GitGutterToggle*
       Explicitly turn Git Gutter on if it was off and vice versa.
 
+  :GitGutter                                                       *:GitGutter*
+      Update signs for the current buffer.
+
+  :GitGutterAll                                                 *:GitGutterAll*
+      Update signs across all buffers.
+
 Commands for turning line highlighting on and off (defaults to off):
 
   :GitGutterLineHighlightsEnable               *:GitGutterLineHighlightsEnable*
@@ -75,10 +81,10 @@ Commands for turning line highlighting on and off (defaults to off):
 Commands for jumping between marked hunks:
 
   :GitGutterNextHunk                                       *:GitGutterNextHunk*
-      Jump to the next marked hunk.
+      Jump to the next marked hunk.  Takes a count.
 
   :GitGutterPrevHunk                                       *:GitGutterPrevHunk*
-      Jump to the previous marked hunk.
+      Jump to the previous marked hunk.  Takes a count.
 
 ===============================================================================
 5. CUSTOMISATION                                       *GitGutterCustomisation*

plugin/gitgutter.vim

@@ -44,19 +44,27 @@ endfunction
 " Utility {{{
 
 function! s:is_active()
-  return g:gitgutter_enabled && s:exists_current_file() && s:is_in_a_git_repo() && s:is_tracked_by_git()
+  return g:gitgutter_enabled && s:exists_file() && s:is_in_a_git_repo() && s:is_tracked_by_git()
 endfunction
 
 function! s:current_file()
-  return expand("%:p")
+  return expand('%:p')
 endfunction
 
-function! s:exists_current_file()
+function! s:set_file(file)
-  return strlen(s:current_file()) > 0
+  let s:file = a:file
 endfunction
 
-function! s:directory_of_current_file()
+function! s:file()
-  return shellescape(expand("%:p:h"))
+  return s:file
+endfunction
+
+function! s:exists_file()
+  return strlen(s:file()) > 0
+endfunction
+
+function! s:directory_of_file()
+  return shellescape(fnamemodify(s:file(), ':h'))
 endfunction
 
 function! s:discard_stdout_and_stderr()
@@ -70,19 +78,19 @@ function! s:discard_stdout_and_stderr()
   return s:discard
 endfunction
 
-function! s:command_in_directory_of_current_file(cmd)
+function! s:command_in_directory_of_file(cmd)
-  return 'cd ' . s:directory_of_current_file() . ' && ' . a:cmd
+  return 'cd ' . s:directory_of_file() . ' && ' . a:cmd
 endfunction
 
 function! s:is_in_a_git_repo()
   let cmd = 'git rev-parse' . s:discard_stdout_and_stderr()
-  call system(s:command_in_directory_of_current_file(cmd))
+  call system(s:command_in_directory_of_file(cmd))
   return !v:shell_error
 endfunction
 
 function! s:is_tracked_by_git()
-  let cmd = 'git ls-files --error-unmatch' . s:discard_stdout_and_stderr() . ' ' . shellescape(s:current_file())
+  let cmd = 'git ls-files --error-unmatch' . s:discard_stdout_and_stderr() . ' ' . shellescape(s:file())
-  call system(s:command_in_directory_of_current_file(cmd))
+  call system(s:command_in_directory_of_file(cmd))
   return !v:shell_error
 endfunction
 
@@ -90,6 +98,10 @@ function! s:snake_case_to_camel_case(text)
   return substitute(a:text, '\v(.)(\a+)(_(.)(.+))?', '\u\1\l\2\u\4\l\5', '')
 endfunction
 
+function! s:buffers()
+  return range(1, bufnr('$'))
+endfunction
+
 " }}}
 
 " Highlights and signs {{{
@@ -164,9 +176,9 @@ endfunction
 " Diff processing {{{
 
 function! s:run_diff()
-  let cmd = 'git diff --no-ext-diff --no-color -U0 ' . shellescape(s:current_file()) .
+  let cmd = 'git diff --no-ext-diff --no-color -U0 ' . shellescape(s:file()) .
         \ ' | grep -e "^@@ "'
-  let diff = system(s:command_in_directory_of_current_file(cmd))
+  let diff = system(s:command_in_directory_of_file(cmd))
   return diff
 endfunction
 
@@ -303,7 +315,7 @@ function! s:clear_signs(file_name)
   endif
 endfunction
 
-" This assumes there are no GitGutter signs in the current file.
+" This assumes there are no GitGutter signs in the file.
 " If this is untenable we could change the regexp to exclude GitGutter's
 " signs.
 function! s:find_other_signs(file_name)
@@ -344,12 +356,12 @@ endfunction
 
 function! s:remember_sign(id, file_name)
   if has_key(s:sign_ids, a:file_name)
-    let sign_ids_for_current_file = s:sign_ids[a:file_name]
+    let sign_ids_for_file = s:sign_ids[a:file_name]
-    call add(sign_ids_for_current_file, a:id)
+    call add(sign_ids_for_file, a:id)
   else
-    let sign_ids_for_current_file = [a:id]
+    let sign_ids_for_file = [a:id]
   endif
-  let s:sign_ids[a:file_name] = sign_ids_for_current_file
+  let s:sign_ids[a:file_name] = sign_ids_for_file
 endfunction
 
 function! s:is_other_sign(line_number)
@@ -358,33 +370,40 @@ endfunction
 
 function! s:add_dummy_sign()
   let last_line = line('$')
-  exe ":sign place " . s:dummy_sign_id . " line=" . (last_line + 1) . " name=GitGutterDummy file=" . s:current_file()
+  exe ":sign place " . s:dummy_sign_id . " line=" . (last_line + 1) . " name=GitGutterDummy file=" . s:file()
 endfunction
 
 " }}}
 
 " Public interface {{{
 
-function! GitGutter()
+function! GitGutterAll()
+  for buffer_id in s:buffers()
+    call GitGutter(fnamemodify(bufname(buffer_id), ':p'))
+  endfor
+endfunction
+command GitGutterAll call GitGutterAll()
+
+function! GitGutter(file)
+  call s:set_file(a:file)
   if s:is_active()
     call s:init()
     let diff = s:run_diff()
     let s:hunks = s:parse_diff(diff)
     let modified_lines = s:process_hunks(s:hunks)
-    let file_name = s:current_file()
     if g:gitgutter_sign_column_always
       call s:add_dummy_sign()
     endif
-    call s:clear_signs(file_name)
+    call s:clear_signs(a:file)
-    call s:find_other_signs(file_name)
+    call s:find_other_signs(a:file)
-    call s:show_signs(file_name, modified_lines)
+    call s:show_signs(a:file, modified_lines)
   endif
 endfunction
-command GitGutter call GitGutter()
+command GitGutter call GitGutter(s:current_file())
 
 function! GitGutterDisable()
   let g:gitgutter_enabled = 0
-  call s:clear_signs(s:current_file())
+  call s:clear_signs(s:file())
 endfunction
 command GitGutterDisable call GitGutterDisable()
 
@@ -455,7 +474,7 @@ function! GitGutterPrevHunk(count)
 endfunction
 command -count=1 GitGutterPrevHunk call GitGutterPrevHunk(<count>)
 
-" Returns the git-diff hunks for the current file or an empty list if there
+" Returns the git-diff hunks for the file or an empty list if there
 " aren't any hunks.
 "
 " The return value is a list of lists.  There is one inner list per hunk.
@@ -478,9 +497,9 @@ endfunction
 
 augroup gitgutter
   autocmd!
-  autocmd BufReadPost,BufWritePost,FileReadPost,FileWritePost * call GitGutter()
+  autocmd BufReadPost,BufWritePost,FileReadPost,FileWritePost * call GitGutter(s:current_file())
   if !has('gui_win32')
-    autocmd FocusGained * call GitGutter()
+    autocmd FocusGained * call GitGutterAll()
   endif
 augroup END