Initial commit (again)

.vim/autoload/airline/extensions/tabline/formatters/unique_tail.vim

@@ -0,0 +1,40 @@
+" MIT License. Copyright (c) 2013-2016 Bailey Ling.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#tabline#formatters#unique_tail#format(bufnr, buffers)
+  let duplicates = {}
+  let tails = {}
+  let map = {}
+  for nr in a:buffers
+    let name = bufname(nr)
+    if empty(name)
+      let map[nr] = '[No Name]'
+    else
+      let tail = fnamemodify(name, ':s?/\+$??:t')
+      if has_key(tails, tail)
+        let duplicates[nr] = nr
+      endif
+      let tails[tail] = 1
+      let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, tail)
+    endif
+  endfor
+
+  let fmod = get(g:, 'airline#extensions#tabline#fnamemod', ':p:.')
+  for nr in values(duplicates)
+    let fnamecollapse = get(g:, 'airline#extensions#tabline#fnamecollapse', 1)
+    if fnamecollapse
+      let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, substitute(fnamemodify(name, fmod), '\v\w\zs.{-}\ze(\\|/)', '', 'g'))
+    else
+      let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, fnamemodify(bufname(nr), fmod))
+    endif
+  endfor
+
+  if has_key(map, a:bufnr)
+    return map[a:bufnr]
+  endif
+
+  " if we get here, the buffer list isn't in sync with the selected buffer yet, fall back to the default
+  return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
+endfunction