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Check if <plug> has been assigned with hasmapto() #106

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Check if <plug> has been assigned with hasmapto() #106

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6da96cd
Use mapcheck() instead of maparg()
mg979 Sep 6, 2018
2aba864
Update doc with plugs
mg979 Sep 6, 2018
78648e6
Check both '-' and plugs
mg979 Sep 6, 2018
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8 changes: 7 additions & 1 deletion doc/vinegar.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,13 @@ MAPPINGS *vinegar-mappings*
*vinegar--*
- Open the parent directory of the current file. This
is the only mapping available outside of netrw
buffers.
buffers. If you have already mapped - to somthing else,
you'll need to map one of these plugs:

<Plug>VinegarUp
<Plug>VinegarTabUp
<Plug>VinegarSplitUp
<Plug>VinegarVerticalSplitUp

*vinegar-~*
~ Open $HOME.
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11 changes: 7 additions & 4 deletions plugin/vinegar.vim
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Expand Up @@ -28,14 +28,17 @@ endif
unlet! s:netrw_up

nnoremap <silent> <Plug>VinegarUp :call <SID>opendir('edit')<CR>
if empty(maparg('-', 'n'))
nmap - <Plug>VinegarUp
endif

nnoremap <silent> <Plug>VinegarTabUp :call <SID>opendir('tabedit')<CR>
nnoremap <silent> <Plug>VinegarSplitUp :call <SID>opendir('split')<CR>
nnoremap <silent> <Plug>VinegarVerticalSplitUp :call <SID>opendir('vsplit')<CR>

if empty(mapcheck('-', 'n')) && !hasmapto('<Plug>VinegarUp') &&
\ !hasmapto('<Plug>VinegarSplitUp') &&
\ !hasmapto('<Plug>VinegarVerticalSplitUp') &&
\ !hasmapto('<Plug>VinegarTabUp')
nmap - <Plug>VinegarUp
endif

function! s:opendir(cmd) abort
let df = ','.s:dotfiles
if expand('%:t')[0] ==# '.' && g:netrw_list_hide[-strlen(df):-1] ==# df
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