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26cdff0e92
runtime(dist): centralize safe executable check and add vim library (vim/vim#13413)
Follow up to 816fbcc26 (patch 9.0.1833: [security] runtime file fixes,
2023-08-31) and f7ac0ef50 (runtime: don't execute external commands when
loading ftplugins, 2023-09-06).
This puts the logic for safe executable checks in a single place, by introducing
a central vim library, so all filetypes benefit from consistency.
Notable changes:
- dist#vim because the (autoload) namespace for a new runtime support
library. Supporting functions should get documentation. It might make
life easier for NeoVim devs to make the documentation a new file
rather than cram it into existing files, though we may want
cross-references to it somewhere…
- The gzip and zip plugins need to be opted into by enabling execution
of those programs (or the global plugin_exec). This needs
documentation or discussion.
- This fixes a bug in the zig plugin: code setting s:tmp_cwd was removed
in f7ac0ef50 (runtime: don't execute external commands when loading
ftplugins, 2023-09-06), but the variable was still referenced. Since
the new function takes care of that automatically, the variable is no
longer needed.
cd8a3eaf53
Co-authored-by: D. Ben Knoble <ben.knoble+github@gmail.com>
69 lines
1.6 KiB
VimL
69 lines
1.6 KiB
VimL
" Vim filetype plugin file
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" Language: Zig
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" Upstream: https://github.com/ziglang/zig.vim
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" Only do this when not done yet for this buffer
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if exists("b:did_ftplugin")
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finish
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endif
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let b:did_ftplugin = 1
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let s:cpo_orig = &cpo
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set cpo&vim
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compiler zig_build
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" Match Zig builtin fns
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setlocal iskeyword+=@-@
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" Recommended code style, no tabs and 4-space indentation
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setlocal expandtab
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setlocal tabstop=8
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setlocal softtabstop=4
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setlocal shiftwidth=4
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setlocal formatoptions-=t formatoptions+=croql
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setlocal suffixesadd=.zig,.zir
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if has('comments')
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setlocal comments=:///,://!,://
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setlocal commentstring=//\ %s
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endif
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if has('find_in_path')
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let &l:includeexpr='substitute(v:fname, "^([^.])$", "\1.zig", "")'
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let &l:include='\v(\@import>|\@cInclude>|^\s*\#\s*include)'
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endif
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let &l:define='\v(<fn>|<const>|<var>|^\s*\#\s*define)'
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" Safety check: don't execute zig from current directory
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if !exists('g:zig_std_dir') && exists('*json_decode') &&
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\ executable('zig') && dist#vim#IsSafeExecutable('zig', 'zig')
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silent let s:env = system('zig env')
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if v:shell_error == 0
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let g:zig_std_dir = json_decode(s:env)['std_dir']
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endif
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unlet! s:env
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endif
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if exists('g:zig_std_dir')
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let &l:path = g:zig_std_dir . ',' . &l:path
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endif
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let b:undo_ftplugin =
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\ 'setl isk< et< ts< sts< sw< fo< sua< mp< com< cms< inex< inc< pa<'
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augroup vim-zig
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autocmd! * <buffer>
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autocmd BufWritePre <buffer> if get(g:, 'zig_fmt_autosave', 1) | call zig#fmt#Format() | endif
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augroup END
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let b:undo_ftplugin .= '|au! vim-zig * <buffer>'
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let &cpo = s:cpo_orig
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unlet s:cpo_orig
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" vim: tabstop=8 shiftwidth=4 softtabstop=4 expandtab
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