Add next/previous section maps

autoload/fugitive.vim

@@ -1730,6 +1730,8 @@ function! fugitive#BufReadStatus() abort
     nunmap   <buffer>          ~
     nnoremap <buffer> <silent> <C-N> :<C-U>execute <SID>StageNext(v:count1)<CR>
     nnoremap <buffer> <silent> <C-P> :<C-U>execute <SID>StagePrevious(v:count1)<CR>
+    nnoremap <buffer> <silent> [[ :<C-U>execute <SID>PreviousSection(v:count1)<CR>
+    nnoremap <buffer> <silent> ]] :<C-U>execute <SID>NextSection(v:count1)<CR>
     exe "nnoremap <buffer> <silent>" nowait "- :<C-U>execute <SID>Do('Toggle',0)<CR>"
     exe "xnoremap <buffer> <silent>" nowait "- :<C-U>execute <SID>Do('Toggle',1)<CR>"
     exe "nnoremap <buffer> <silent>" nowait "s :<C-U>execute <SID>Do('Stage',0)<CR>"
@@ -2565,6 +2567,29 @@ function! s:StagePrevious(count) abort
   endif
 endfunction
 
+function! s:NextSection(count) abort
+  for i in range(a:count)
+    if !search('^[A-Z][a-z][^:]*$','W')
+      return '.'
+    endif
+    +
+  endfor
+  call s:StageReveal()
+  return '.'
+endfunction
+
+function! s:PreviousSection(count) abort
+  -
+  for i in range(a:count)
+    if !search('^[A-Z][a-z][^:]*$\|\%^','bW') || line('.') == 1
+      return '.'
+    endif
+    +
+  endfor
+  call s:StageReveal()
+  return '.'
+endfunction
+
 function! s:StageInline(mode, ...) abort
   let lnum1 = a:0 ? a:1 : line('.')
   let lnum = lnum1 + 1