chore: import upstream snapshot with attribution

2026-07-13 12:27:16 +08:00
commit d5f207424b
328 changed files with 87463 additions and 0 deletions
@@ -0,0 +1,46 @@
+--- Reproducer for SIGSEGV when :cd is issued during post-scan.
+--- Run with: nvim --headless -l tests/test_cd_during_post_scan.lua
+---
+--- Uses ~/dev/chromium (large repo) so bigram build takes 5-10s,
+--- then immediately reinits on the fff source dir.
+
+-- Setup runtimepath so fff.rust can be found
+local script_path = debug.getinfo(1, 'S').source:sub(2)
+local plugin_dir = vim.fn.fnamemodify(script_path, ':h:h')
+vim.opt.runtimepath:prepend(plugin_dir)
+
+local fff_rust = require('fff.rust')
+
+local big_repo = vim.fn.expand('~/dev/chromium')
+if vim.fn.isdirectory(big_repo) ~= 1 then
+  print('SKIP: ~/dev/chromium not found')
+  os.exit(0)
+end
+
+print('Init picker on ' .. big_repo .. ' (500K+ files, slow bigram)...')
+local ok = fff_rust.init_file_picker(big_repo)
+assert(ok, 'init_file_picker failed')
+
+-- Wait for scan to finish but NOT bigram (bigram is the slow part ~5-10s)
+vim.wait(100, function() return false end)
+fff_rust.wait_for_initial_scan(120000)
+
+print('Scan done. Immediately reinit on fff source (simulates :cd)...')
+fff_rust.restart_index_in_path(plugin_dir)
+
+-- The reinit waits for chromium's post-scan to finish (Drop spin-wait),
+-- then installs the new picker. Give it enough time.
+local deadline = vim.uv.hrtime() + 30e9 -- 30s
+while true do
+  vim.wait(500, function() return false end)
+  local ok, result = pcall(fff_rust.fuzzy_search_files, 'lib', 2, nil, 100, 3, 0, 10)
+  if ok and result and #result.items > 0 then
+    print('PASS: :cd during post-scan did not crash (' .. #result.items .. ' results found)')
+    break
+  end
+  if vim.uv.hrtime() > deadline then error('TIMEOUT: new picker never became available') end
+end
+
+-- Cleanup
+pcall(fff_rust.stop_background_monitor)
+pcall(fff_rust.cleanup_file_picker)