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" Author: w0rp <dev@w0rp.com>
" Description: Functions for integrating with Lua linters.
" Find project root for a Lua language server.
function! ale#lua#FindProjectRoot(buffer) abort
let l:possible_project_roots = [
\ '.git',
\ bufname(a:buffer),
\]
for l:possible_root in l:possible_project_roots
let l:project_root = ale#path#FindNearestFile(a:buffer, l:possible_root)
if empty(l:project_root)
let l:project_root = ale#path#FindNearestDirectory(a:buffer, l:possible_root)
endif
if !empty(l:project_root)
" dir:p expands to /full/path/to/dir/ whereas
" file:p expands to /full/path/to/file (no trailing slash)
" Appending '/' ensures that :h:h removes the path's last segment
" regardless of whether it is a directory or not.
return fnamemodify(l:project_root . '/', ':p:h:h')
endif
endfor
return ''
endfunction
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