1 files changed, 119 insertions, 0 deletions
diff --git a/vim/bundle/vim-gitgutter/autoload/gitgutter/debug.vim b/vim/bundle/vim-gitgutter/autoload/gitgutter/debug.vim
new file mode 100644
index 0000000..594f044
--- /dev/null
+++ b/vim/bundle/vim-gitgutter/autoload/gitgutter/debug.vim
@@ -0,0 +1,119 @@
+let s:plugin_dir  = expand('<sfile>:p:h:h:h').'/'
+let s:log_file    = s:plugin_dir.'gitgutter.log'
+let s:channel_log = s:plugin_dir.'channel.log'
+let s:new_log_session = 1
+
+
+function! gitgutter#debug#debug()
+  " Open a scratch buffer
+  vsplit __GitGutter_Debug__
+  normal! ggdG
+  setlocal buftype=nofile
+  setlocal bufhidden=delete
+  setlocal noswapfile
+
+  call gitgutter#debug#vim_version()
+  call gitgutter#debug#separator()
+
+  call gitgutter#debug#git_version()
+  call gitgutter#debug#separator()
+
+  call gitgutter#debug#grep_version()
+  call gitgutter#debug#separator()
+
+  call gitgutter#debug#option('updatetime')
+  call gitgutter#debug#option('shell')
+  call gitgutter#debug#option('shellcmdflag')
+  call gitgutter#debug#option('shellpipe')
+  call gitgutter#debug#option('shellquote')
+  call gitgutter#debug#option('shellredir')
+  call gitgutter#debug#option('shellslash')
+  call gitgutter#debug#option('shelltemp')
+  call gitgutter#debug#option('shelltype')
+  call gitgutter#debug#option('shellxescape')
+  call gitgutter#debug#option('shellxquote')
+endfunction
+
+
+function! gitgutter#debug#separator()
+  call gitgutter#debug#output('')
+endfunction
+
+function! gitgutter#debug#vim_version()
+  redir => version_info
+    silent execute 'version'
+  redir END
+  call gitgutter#debug#output(split(version_info, '\n')[0:2])
+endfunction
+
+function! gitgutter#debug#git_version()
+  let v = system(g:gitgutter_git_executable.' --version')
+  call gitgutter#debug#output( substitute(v, '\n$', '', '') )
+endfunction
+
+function! gitgutter#debug#grep_version()
+  let v = system('grep --version')
+  call gitgutter#debug#output( substitute(v, '\n$', '', '') )
+
+  let v = system('grep --help')
+  call gitgutter#debug#output( substitute(v, '\%x00', '', 'g') )
+endfunction
+
+function! gitgutter#debug#option(name)
+  if exists('+' . a:name)
+    let v = eval('&' . a:name)
+    call gitgutter#debug#output(a:name . '=' . v)
+    " redir => output
+    "   silent execute "verbose set " . a:name . "?"
+    " redir END
+    " call gitgutter#debug#output(a:name . '=' . output)
+  else
+    call gitgutter#debug#output(a:name . ' [n/a]')
+  end
+endfunction
+
+function! gitgutter#debug#output(text)
+  call append(line('$'), a:text)
+endfunction
+
+" assumes optional args are calling function's optional args
+function! gitgutter#debug#log(message, ...) abort
+  if g:gitgutter_log
+    if s:new_log_session && gitgutter#async#available()
+      if exists('*ch_logfile')
+        call ch_logfile(s:channel_log, 'w')
+      endif
+    endif
+
+    execute 'redir >> '.s:log_file
+      if s:new_log_session
+        let s:start = reltime()
+        silent echo "\n==== start log session ===="
+      endif
+
+      let elapsed = reltimestr(reltime(s:start)).' '
+      silent echo ''
+      " callers excluding this function
+      silent echo elapsed.expand('<sfile>')[:-22].':'
+      silent echo elapsed.s:format_for_log(a:message)
+      if a:0 && !empty(a:1)
+        for msg in a:000
+          silent echo elapsed.s:format_for_log(msg)
+        endfor
+      endif
+    redir END
+
+    let s:new_log_session = 0
+  endif
+endfunction
+
+function! s:format_for_log(data) abort
+  if type(a:data) == 1
+    return join(split(a:data,'\n'),"\n")
+  elseif type(a:data) == 3
+    return '['.join(a:data,"\n").']'
+  else
+    return a:data
+  endif
+endfunction
+