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VimL

function! LspCheckCommand() abort
let l:command = trim(filter(systemlist('ros version'), 'v:val =~# "^homedir="')[0][8:], '''"') . '/bin/cl-lsp'
if !filereadable(l:command)
return ''
endif
call lsp_settings#set('cl-lsp', 'cmd', ['ros', '-Q', '--', l:command])
return l:command
endfunction