mirror of
https://github.com/kepler155c/opus
synced 2024-12-29 01:50:27 +00:00
85 lines
1.9 KiB
Lua
85 lines
1.9 KiB
Lua
local json = require('json')
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local Util = require('util')
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-- Limit queries to once per minecraft day
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-- TODO: will not work if time is stopped
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local TREE_URL = 'https://api.github.com/repos/%s/%s/git/trees/%s?recursive=1'
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local FILE_URL = 'https://raw.githubusercontent.com/%s/%s/%s/%s'
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local git = { }
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local fs = _G.fs
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local os = _G.os
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if not _G.GIT then
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_G.GIT = { }
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end
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function git.list(repository)
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local t = Util.split(repository, '(.-)/')
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local user = table.remove(t, 1)
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local repo = table.remove(t, 1)
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local branch = table.remove(t, 1) or 'master'
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local path
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if not Util.empty(t) then
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path = table.concat(t, '/') .. '/'
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end
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local cacheKey = table.concat({ user, repo, branch }, '-')
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local fname = fs.combine('.git', cacheKey)
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local function getContents()
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if fs.exists(fname) then
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local contents = Util.readTable(fname)
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if contents and contents.data == os.day() then
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return contents.data
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end
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fs.delete(fname)
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end
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local dataUrl = string.format(TREE_URL, user, repo, branch)
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local contents = Util.download(dataUrl)
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if contents then
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return json.decode(contents)
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end
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end
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local data = getContents() or error('Invalid repository')
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if data.message and data.message:find("API rate limit exceeded") then
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error("Out of API calls, try again later")
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end
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if data.message and data.message == "Not found" then
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error("Invalid repository")
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end
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if not fs.exists(fname) then
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Util.writeTable('.git/' .. cacheKey, { day = os.day(), data = data })
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end
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local list = { }
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for _,v in pairs(data.tree) do
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if v.type == "blob" then
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v.path = v.path:gsub("%s","%%20")
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if not path then
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list[v.path] = {
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url = string.format(FILE_URL, user, repo, branch, v.path),
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size = v.size,
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}
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elseif Util.startsWith(v.path, path) then
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local p = string.sub(v.path, #path)
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list[p] = {
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url = string.format(FILE_URL, user, repo, branch, path .. p),
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size = v.size,
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}
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end
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end
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end
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return list
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end
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return git
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