mirror of
https://github.com/sxyazi/yazi.git
synced 2026-07-21 14:51:03 +00:00
61 lines
1.3 KiB
Lua
61 lines
1.3 KiB
Lua
local M = {}
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local function stale_cache(file)
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local url = file.url
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local lock = url.spec.cache:join(string.format("%%lock/%s", url:hash(true)))
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local fd = fs.access():read(true):open(Url(lock))
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if not fd then
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return true
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end
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local hash = fd:read(32)
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ya.drop(fd)
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return hash ~= file.cha:hash(true)
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end
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function M:fetch(job)
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local updates, unknown, state = {}, {}, {}
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for i, file in ipairs(job.files) do
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if file.cha.is_dummy then
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-- Skip dummy files
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elseif not file.cache then
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unknown[#unknown + 1] = file
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elseif not fs.cha(Url(file.cache)) then
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updates[file.url], state[i] = "vfs/absent", true
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elseif stale_cache(file) then
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updates[file.url], state[i] = "vfs/stale", true
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else
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unknown[#unknown + 1] = file
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end
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end
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if next(updates) then
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ya.emit("update_mimes", { updates = updates })
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end
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if #unknown == 0 then
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return state
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else
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return self.fallback_local(job, unknown, state)
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end
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end
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function M.fallback_local(job, unknown, state)
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local indices = {}
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for i, f in ipairs(job.files) do
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indices[f:hash()] = i
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end
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local result = require("mime.local"):fetch(ya.dict_merge(job, { files = unknown }))
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for i, f in ipairs(unknown) do
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if type(result) == "table" then
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state[indices[f:hash()]] = result[i]
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else
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state[indices[f:hash()]] = result
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end
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end
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return state
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end
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return M
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