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function! ale_linters#perl#plls#GetProjectRoot(buffer) abort
let l:potential_roots = [
\ 'Makefile.PL',
\ 'Build.PL',
\ 'dist.ini',
\ 'MYMETA.yml',
\ 'META.yml',
\ '.git',
\ bufname(a:buffer),
\ ]
for l:root in l:potential_roots
let l:project_root = ale#path#FindNearestFile(
\ a:buffer,
\ l:root,
\ )
if empty(l:project_root)
let l:project_root = ale#path#FindNearestDirectory(
\ a:buffer,
\ l: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
call ale#Set('perl_plls_config', {})
call ale#linter#Define('perl', {
\ 'name': 'plls',
\ 'lsp': 'stdio',
\ 'executable': {b -> ale#Var(b, 'perl_perl_executable')},
\ 'command': '%e -MPerl::LanguageServer -ePerl::LanguageServer::run',
\ 'lsp_config': {b -> ale#Var(b, 'perl_plls_config')},
\ 'project_root': function('ale_linters#perl#plls#GetProjectRoot'),
\ })
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