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fix(setup): guard against overwriting existing problem files

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If the destination source file already exists on disk and belongs to a
different platform/contest/problem in the cache, abort with an error
rather than silently clobbering it.
This commit is contained in:
Barrett Ruth 2026-03-05 13:00:24 -05:00
parent 29af2df858
commit 86b3eb9582
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
1 changed files with 13 additions and 0 deletions
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13
lua/cp/setup.lua
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@ -278,6 +278,19 @@ function M.setup_problem(problem_id, language)
return
end
if vim.fn.filereadable(source_file) == 1 then
local existing = cache.get_file_state(vim.fn.fnamemodify(source_file, ':p'))
if existing and (existing.platform ~= platform or existing.contest_id ~= (state.get_contest_id() or '') or existing.problem_id ~= problem_id) then
logger.log(
('File %q already exists for %s/%s %s.'):format(
source_file, existing.platform, existing.contest_id, existing.problem_id
),
{ level = vim.log.levels.ERROR }
)
return
end
end
local contest_dir = vim.fn.fnamemodify(source_file, ':h')
local is_new_dir = vim.fn.isdirectory(contest_dir) == 0
vim.fn.mkdir(contest_dir, 'p')