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Fix error of quitting in the middle of gtags generating (issue 319). #359

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Fix error of quitting in the middle of gtags generating (issue 319). #359

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15 changes: 15 additions & 0 deletions autoload/gutentags/gtags_cscope.vim
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Expand Up @@ -95,6 +95,21 @@ function! gutentags#gtags_cscope#generate(proj_dir, tags_file, gen_opts) abort
" gtags doesn't honour GTAGSDBPATH and GTAGSROOT, so PWD and dbpath
" have to be set
let l:db_path = fnamemodify(a:tags_file, ':p:h')

" In order to prevent errors caused by quitting in the middle of gtag
" generation(because when we exit prematurely, no information has been
" written to the gtags file, and the file size is 0. If we use the
" `gtags --incremental path` command at this time, the error
" "GTAGS seems to be corrupted" will be reported.), we need to
" automatically delete empty gtags files.
let files = split(globpath(l:db_path, '*'), '\n')
for file in files
let file_size = getfsize(file)
if file_size == 0
try | call delete(file) | endtry
endif
endfor

let l:cmd += ['--incremental', '"'.l:db_path.'"']

let l:cmd = gutentags#make_args(l:cmd)
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