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Improve gtags usage #339

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584d009
modify: generation on new only if tag is not readable
ukyouz Jan 12, 2023
785bc09
add: g:gutentags_gtags_skip_symlink option
ukyouz Jan 12, 2023
f67cf56
improve: gtags update only single file if possible
ukyouz Jan 12, 2023
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3 changes: 2 additions & 1 deletion autoload/gutentags.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -344,7 +344,7 @@ function! gutentags#setup_gutentags() abort
if g:gutentags_generate_on_missing && !filereadable(l:tagfile)
call gutentags#trace("Generating missing tags file: " . l:tagfile)
call s:update_tags(l:bn, module, 1, 1)
elseif g:gutentags_generate_on_new
elseif g:gutentags_generate_on_new && !filereadable(l:tagfile)
call gutentags#trace("Generating tags file: " . l:tagfile)
call s:update_tags(l:bn, module, 1, 1)
endif
Expand Down Expand Up @@ -564,6 +564,7 @@ function! s:update_tags(bufno, module, write_mode, queue_mode) abort
\[l:proj_dir, l:tags_file,
\ {
\ 'write_mode': a:write_mode,
\ 'file': expand('#'.a:bufno.':p'),
\ }])
catch /^gutentags\:/
echom "Error while generating ".a:module." file:"
Expand Down
12 changes: 12 additions & 0 deletions autoload/gutentags/gtags_cscope.vim
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Expand Up @@ -23,6 +23,10 @@ if !exists('g:gutentags_gtags_cscope_executable')
let g:gutentags_gtags_cscope_executable = 'gtags-cscope'
endif

if !exists('g:gutentags_gtags_skip_symlink')
let g:gutentags_gtags_skip_symlink = 'a'
endif

if !exists('g:gutentags_auto_add_gtags_cscope')
let g:gutentags_auto_add_gtags_cscope = 1
endif
Expand Down Expand Up @@ -78,6 +82,8 @@ function! gutentags#gtags_cscope#init(project_root) abort
endfunction

function! gutentags#gtags_cscope#generate(proj_dir, tags_file, gen_opts) abort
let l:write_mode = a:gen_opts['write_mode']

let l:cmd = [s:runner_exe]
let l:cmd += ['-e', '"' . g:gutentags_gtags_executable . '"']

Expand All @@ -97,6 +103,12 @@ function! gutentags#gtags_cscope#generate(proj_dir, tags_file, gen_opts) abort
let l:db_path = fnamemodify(a:tags_file, ':p:h')
let l:cmd += ['--incremental', '"'.l:db_path.'"']

if g:gutentags_gtags_skip_symlink != ''
let l:cmd += ['--skip-symlink='.g:gutentags_gtags_skip_symlink]
endif
if l:write_mode == 0 && has_key(a:gen_opts, 'file')
let l:cmd += ['--single-update', '"'.a:gen_opts['file'].'"']
endif
let l:cmd = gutentags#make_args(l:cmd)

call gutentags#trace("Running: " . string(l:cmd))
Expand Down
9 changes: 9 additions & 0 deletions doc/gutentags.txt
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Expand Up @@ -694,6 +694,15 @@ g:gutentags_gtags_cscope_executable
executable to use to generate the code database.
Defaults to `"gtags-cscope"`.

*gutentags_gtags_skip_symlink*
g:gutentags_gtags_skip_symlink
When set to `""`, Gutentags will remove --skip-symlink
flag in gtags generation command, options:
- 'a' then skip all symbolic links
- 'f' then skip only symbolic links for file
- 'd' then skip only symbolic links for directory.
Defaults to `"a"`.

*gutentags_gtags_dbpath*
g:gutentags_gtags_dbpath
Path from the cache directory (|gutentags_cache_dir|
Expand Down