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local cache = {}
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local fs = require("luarocks.fs")
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local cfg = require("luarocks.core.cfg")
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local dir = require("luarocks.dir")
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local util = require("luarocks.util")
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function cache.get_upload_server(server)
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if not server then server = cfg.upload_server end
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if not server then
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return nil, "No server specified and no default configured with upload_server."
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end
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return server, cfg.upload_servers and cfg.upload_servers[server]
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end
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function cache.get_server_urls(server, upload_server)
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local download_url = server
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local login_url = nil
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if upload_server then
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if upload_server.rsync then download_url = "rsync://"..upload_server.rsync
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elseif upload_server.http then download_url = "http://"..upload_server.http
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elseif upload_server.ftp then download_url = "ftp://"..upload_server.ftp
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end
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if upload_server.ftp then login_url = "ftp://"..upload_server.ftp
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elseif upload_server.sftp then login_url = "sftp://"..upload_server.sftp
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end
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end
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return download_url, login_url
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end
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function cache.split_server_url(url, user, password)
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local protocol, server_path = dir.split_url(url)
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if protocol == "file" then
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server_path = fs.absolute_name(server_path)
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elseif server_path:match("@") then
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local credentials
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credentials, server_path = server_path:match("([^@]*)@(.*)")
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if credentials:match(":") then
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user, password = credentials:match("([^:]*):(.*)")
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else
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user = credentials
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end
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end
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local local_cache = cfg.local_cache .. "/" .. server_path:gsub("[\\/]", "_")
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return local_cache, protocol, server_path, user, password
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end
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local function download_cache(protocol, server_path, user, password)
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os.remove("index.html")
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if protocol == "rsync" then
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local srv, path = server_path:match("([^/]+)(/.+)")
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return fs.execute(cfg.variables.RSYNC.." "..cfg.variables.RSYNCFLAGS.." -e ssh "..user.."@"..srv..":"..path.."/ ./")
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elseif protocol == "file" then
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return fs.copy_contents(server_path, ".")
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else
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local login_info = ""
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if user then login_info = " --user="..user end
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if password then login_info = login_info .. " --password="..password end
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return fs.execute(cfg.variables.WGET.." --no-cache -q -m -np -nd "..protocol.."://"..server_path..login_info)
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end
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end
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function cache.refresh_local_cache(url, given_user, given_password)
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local local_cache, protocol, server_path, user, password = cache.split_server_url(url, given_user, given_password)
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local ok, err = fs.make_dir(local_cache)
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if not ok then
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return nil, "Failed creating local cache dir: "..err
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end
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fs.change_dir(local_cache)
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util.printout("Refreshing cache "..local_cache.."...")
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ok = download_cache(protocol, server_path, user, password)
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if not ok then
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return nil, "Failed downloading cache."
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end
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return local_cache, protocol, server_path, user, password
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end
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return cache
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