Updated plugins

sources_non_forked/vim-gitgutter/README.mkd

@@ -137,12 +137,15 @@ The same caveat applies to line number highlighting as to line highlighting just
 
 If you switch off both line highlighting and signs, you won't see the sign column.
 
-To keep your Vim snappy, vim-gitgutter will suppress the signs when a file has more than 500 changes.  As soon as the number of changes falls below the limit vim-gitgutter will show the signs again.  You can configure the threshold with:
+In older Vims (pre 8.1.0614 / Neovim 0.4.0) vim-gitgutter will suppress the signs when a file has more than 500 changes, to avoid slowing down the UI.  As soon as the number of changes falls below the limit vim-gitgutter will show the signs again.  You can configure the threshold with:
 
 ```viml
-let g:gitgutter_max_signs = 500  " default value
+let g:gitgutter_max_signs = 500  " default value (Vim < 8.1.0614, Neovim < 0.4.0)
+let g:gitgutter_max_signs = -1   " default value (otherwise)
 ```
 
+You can also remove the limit by setting `g:gitgutter_max_signs = -1`.
+
 #### Hunks
 
 You can jump between hunks:
@@ -287,19 +290,14 @@ Please note that vim-gitgutter won't override any colours or highlights you've s
 
 #### Sign column
 
-By default vim-gitgutter will make the sign column look like the line number column.
-
-To customise your sign column's background color, first tell vim-gitgutter to leave it alone:
+Set the `SignColumn` highlight group to change the sign column's colour.  For example:
 
 ```viml
-let g:gitgutter_override_sign_column_highlight = 0
-```
+" vim-gitgutter used to do this by default:
+highlight! link SignColumn LineNr
 
-And then either update your colorscheme's `SignColumn` highlight group or set it in your vimrc:
-
-```viml
-highlight SignColumn ctermbg=whatever    " terminal Vim
-highlight SignColumn guibg=whatever      " gVim/MacVim
+" or you could do this:
+highlight SignColumn guibg=whatever ctermbg=whatever
 ```
 
 By default the sign column will appear when there are signs to show and disappear when there aren't.  To always have the sign column, add to your vimrc:
@@ -318,13 +316,15 @@ let g:gitgutter_sign_allow_clobber = 1
 
 #### Signs' colours and symbols
 
-If you or your colourscheme has defined `GitGutter*` highlight groups, the plugin will use those for the signs' colours.
+If you or your colourscheme has defined `GitGutter*` highlight groups, the plugin will use them for the signs' colours.
 
-Otherwise it will use your colourscheme's `Diff*` highlight groups.
+If you want the background colours to match the sign column, but don't want to update the `GitGutter*` groups yourself, you can get the plugin to do it:
 
-Either way the signs' background colours will be set to the sign column's background colour.
+```viml
+let g:gitgutter_set_sign_backgrounds = 1
+```
 
-If you don't like the colours, specify the ones you want in your vimrc (see `:help highlight-guifg` and `:help highlight-ctermfg`).  For example, to get vim-gitgutter's original colours (based on git-diff's colours in my terminal):
+If no `GitGutter*` highlight groups exist, the plugin will check the `Diff*` highlight groups.  If their foreground colours differ the plugin will use them; if not, these colours will be used:
 
 ```viml
 highlight GitGutterAdd    guifg=#009900 ctermfg=2

sources_non_forked/vim-gitgutter/autoload/gitgutter/diff.vim

@@ -182,7 +182,7 @@ function! gitgutter#diff#handler(bufnr, diff) abort
   let modified_lines = gitgutter#diff#process_hunks(a:bufnr, gitgutter#hunk#hunks(a:bufnr))
 
   let signs_count = len(modified_lines)
-  if signs_count > g:gitgutter_max_signs
+  if g:gitgutter_max_signs != -1 && signs_count > g:gitgutter_max_signs
     call gitgutter#utility#warn_once(a:bufnr, printf(
           \ 'exceeded maximum number of signs (%d > %d, configured by g:gitgutter_max_signs).',
           \ signs_count, g:gitgutter_max_signs), 'max_signs')

sources_non_forked/vim-gitgutter/autoload/gitgutter/highlight.vim

@@ -64,14 +64,6 @@ function! gitgutter#highlight#linenr_toggle() abort
 endfunction
 
 
-function! gitgutter#highlight#define_sign_column_highlight() abort
-  if g:gitgutter_override_sign_column_highlight
-    highlight! link SignColumn LineNr
-  else
-    highlight default link SignColumn LineNr
-  endif
-endfunction
-
 function! gitgutter#highlight#define_highlights() abort
   let [guibg, ctermbg] = s:get_background_colors('SignColumn')
 
@@ -84,26 +76,24 @@ function! gitgutter#highlight#define_highlights() abort
   highlight default link GitGutterChangeDeleteInvisible GitGutterChangeInvisible
 
   " When they are visible.
-
-  " If GitGutter* highlights are already defined, either by the user or the colourscheme,
-  " set their backgrounds to the sign column's.
   for type in ["Add", "Change", "Delete"]
     if hlexists("GitGutter".type)
-      " Were the highlight self-contained we could just declare the
-      " background attributes and they would be merged.  But it might be a
-      " link, in which case it would be overwritten.  So re-declare it in its
-      " entirety.
-      let [guifg, ctermfg] = s:get_foreground_colors('GitGutter'.type)
-      execute "highlight GitGutter".type." guifg=".guifg." guibg=".guibg." ctermfg=".ctermfg." ctermbg=".ctermbg
+      if g:gitgutter_set_sign_backgrounds
+        execute "highlight GitGutter".type." guibg=".guibg." ctermbg=".ctermbg
+      endif
+      continue
+    elseif s:useful_diff_colours()
+      let [guifg, ctermfg] = s:get_foreground_colors('Diff'.type)
+    else
+      let [guifg, ctermfg] = s:get_foreground_fallback_colors(type)
     endif
+    execute "highlight GitGutter".type." guifg=".guifg." guibg=".guibg." ctermfg=".ctermfg." ctermbg=".ctermbg
   endfor
 
-  " By default use Diff* foreground colors with SignColumn's background.
-  for type in ['Add', 'Change', 'Delete']
-    let [guifg, ctermfg] = s:get_foreground_colors('Diff'.type)
-    execute "highlight GitGutter".type."Default guifg=".guifg." guibg=".guibg." ctermfg=".ctermfg." ctermbg=".ctermbg
-    execute "highlight default link GitGutter".type." GitGutter".type."Default"
-  endfor
+  if hlexists("GitGutterChangeDelete") && g:gitgutter_set_sign_backgrounds
+    execute "highlight GitGutterChangeDelete guibg=".guibg." ctermbg=".ctermbg
+  endif
+
   highlight default link GitGutterChangeDelete GitGutterChange
 
   " Highlights used for the whole line.
@@ -236,3 +226,20 @@ function! s:get_background_colors(group) abort
   let guibg = s:get_hl(a:group, 'bg', 'gui')
   return [guibg, ctermbg]
 endfunction
+
+function! s:useful_diff_colours()
+  let [guifg_add, ctermfg_add] = s:get_foreground_colors('DiffAdd')
+  let [guifg_del, ctermfg_del] = s:get_foreground_colors('DiffDelete')
+
+  return guifg_add != guifg_del && ctermfg_add != ctermfg_del
+endfunction
+
+function! s:get_foreground_fallback_colors(type)
+  if a:type == 'Add'
+    return ['#009900', '2']
+  elseif a:type == 'Change'
+    return ['#bbbb00', '3']
+  elseif a:type == 'Delete'
+    return ['#ff2222', '1']
+  endif
+endfunction

sources_non_forked/vim-gitgutter/autoload/gitgutter/utility.vim

@@ -162,7 +162,7 @@ endfunction
 
 
 function! gitgutter#utility#cd_cmd(bufnr, cmd) abort
-  let cd = s:unc_path(a:bufnr) ? 'pushd' : (gitgutter#utility#windows() ? 'cd /d' : 'cd')
+  let cd = s:unc_path(a:bufnr) ? 'pushd' : (gitgutter#utility#windows() && s:dos_shell() ? 'cd /d' : 'cd')
   return cd.' '.s:dir(a:bufnr).' && '.a:cmd
 endfunction
 
@@ -170,6 +170,10 @@ function! s:unc_path(bufnr)
   return s:abs_path(a:bufnr, 0) =~ '^\\\\'
 endfunction
 
+function! s:dos_shell()
+  return &shell == 'cmd.exe' || &shell == 'command.com'
+endfunction
+
 function! s:use_known_shell() abort
   if has('unix') && &shell !=# 'sh'
     let [s:shell, s:shellcmdflag, s:shellredir] = [&shell, &shellcmdflag, &shellredir]

sources_non_forked/vim-gitgutter/doc/gitgutter.txt

@@ -306,7 +306,7 @@ Signs:~
     |g:gitgutter_sign_removed|
     |g:gitgutter_sign_removed_first_line|
     |g:gitgutter_sign_modified_removed|
-    |g:gitgutter_override_sign_column_highlight|
+    |g:gitgutter_set_sign_backgrounds|
 
 Hunk previews:~
 
@@ -412,13 +412,16 @@ Default: 0
 Determines whether or not to show line number highlights.
 
                                                         *g:gitgutter_max_signs*
-Default: 500
+Default: 500 (Vim < 8.1.0614, Neovim < 0.4.0)
+          -1 (otherwise)
 
 Sets the maximum number of signs to show in a buffer.  Vim is slow at updating
 signs, so to avoid slowing down the GUI the number of signs is capped.  When
 the number of changed lines exceeds this value, the plugin removes all signs
 and displays a warning message.
 
+When set to -1 the limit is not applied.
+
                                                    *g:gitgutter_sign_priority*
 Default: 10
 
@@ -447,26 +450,14 @@ Defaults:
 You can use unicode characters but not images.  Signs must not take up more than
 2 columns.
 
-                                   *g:gitgutter_override_sign_column_highlight*
-Default: 1
+                                              *g:gitgutter_set_sign_backgrounds*
+Default: 0
 
-Controls whether to make the sign column look like the line-number column (i.e.
-the |hl-LineNr| highlight group).
-
-To customise your sign column's background color, first tell vim-gitgutter to
-leave it alone:
->
-    let g:gitgutter_override_sign_column_highlight = 0
-<
-
-And then either update your colorscheme's |hlSignColumn| highlight group or set
-it in your |vimrc|:
-
-  Desired appearance                  Command ~
-  Same as line-number column          highlight clear SignColumn
-  User-defined (terminal Vim)         highlight SignColumn ctermbg={whatever}
-  User-defined (graphical Vim)        highlight SignColumn guibg={whatever}
+Only applies to existing GitGutter* highlight groups.  See
+|gitgutter-highlights|.
 
+Controls whether to override the signs' background colours to match the
+|hl-SignColumn|.
 
                                              *g:gitgutter_preview_win_floating*
 Default: 0 (Vim)
@@ -538,6 +529,10 @@ To change the signs' colours, specify these highlight groups in your |vimrc|:
 
 See |highlight-guifg| and |highlight-ctermfg| for the values you can use.
 
+If you do not like the signs' background colours and you do not want to update
+the GitGutter* highlight groups yourself, you can get the plugin to do it
+|g:gitgutter_set_sign_backgrounds|.
+
 To change the line highlights, set up the following highlight groups in your
 colorscheme or |vimrc|:
 >
@@ -593,8 +588,11 @@ c. Why can't I unstage staged changes?
 d. Why are the colours in the sign column weird?
 
   Your colorscheme is configuring the |hl-SignColumn| highlight group weirdly.
-  Please see |g:gitgutter_override_sign_column_highlight| on customising the
-  sign column.
+  Here are two ways you could change the colours:
+>
+    highlight! link SignColumn LineNr
+    highlight SignColumn guibg=whatever ctermbg=whatever
+<
 
 e. What happens if I also use another plugin which uses signs (e.g. Syntastic)?
 

sources_non_forked/vim-gitgutter/plugin/gitgutter.vim

@@ -22,6 +22,13 @@ function! s:set(var, default) abort
   endif
 endfunction
 
+function! s:obsolete(var)
+  if exists(a:var)
+    call gitgutter#utility#warn(a:var.' is obsolete and has no effect.')
+  endif
+endfunction
+
+
 call s:set('g:gitgutter_preview_win_location',     'bo')
 if exists('*nvim_open_win')
   call s:set('g:gitgutter_preview_win_floating', 1)
@@ -29,7 +36,11 @@ else
   call s:set('g:gitgutter_preview_win_floating', 0)
 endif
 call s:set('g:gitgutter_enabled',                     1)
-call s:set('g:gitgutter_max_signs',                 500)
+if exists('*sign_unplace')
+  call s:set('g:gitgutter_max_signs', -1)
+else
+  call s:set('g:gitgutter_max_signs', 500)
+endif
 call s:set('g:gitgutter_signs',                       1)
 call s:set('g:gitgutter_highlight_lines',             0)
 call s:set('g:gitgutter_highlight_linenrs',           0)
@@ -40,7 +51,7 @@ if (has('nvim-0.4.0') || exists('*sign_place')) && !exists('g:gitgutter_sign_all
   let g:gitgutter_sign_allow_clobber = 1
 endif
 call s:set('g:gitgutter_sign_allow_clobber',          0)
-call s:set('g:gitgutter_override_sign_column_highlight', 1)
+call s:set('g:gitgutter_set_sign_backgrounds',           0)
 call s:set('g:gitgutter_sign_added',                   '+')
 call s:set('g:gitgutter_sign_modified',                '~')
 call s:set('g:gitgutter_sign_removed',                 '_')
@@ -65,7 +76,10 @@ call s:set('g:gitgutter_use_location_list',              0)
 
 call s:set('g:gitgutter_git_executable', 'git')
 if !executable(g:gitgutter_git_executable)
-  call gitgutter#utility#warn('cannot find git. Please set g:gitgutter_git_executable.')
+  if g:gitgutter_enabled
+    call gitgutter#utility#warn('cannot find git. Please set g:gitgutter_git_executable.')
+  endif
+  finish
 endif
 
 let default_grep = 'grep'
@@ -83,7 +97,6 @@ if !empty(g:gitgutter_grep)
   endif
 endif
 
-call gitgutter#highlight#define_sign_column_highlight()
 call gitgutter#highlight#define_highlights()
 call gitgutter#highlight#define_signs()
 
@@ -260,7 +273,7 @@ augroup gitgutter
     autocmd VimResume * call gitgutter#all(1)
   endif
 
-  autocmd ColorScheme * call gitgutter#highlight#define_sign_column_highlight() | call gitgutter#highlight#define_highlights()
+  autocmd ColorScheme * call gitgutter#highlight#define_highlights()
 
   " Disable during :vimgrep
   autocmd QuickFixCmdPre  *vimgrep* let g:gitgutter_enabled = 0