getscript

getscript.lua

@@ -0,0 +1,93 @@
+local repo = "https://buduf.ddns.net/git/Buduf/ComputerCraft/raw/branch/master/"
+local function printUsage()
+    local programName = arg[0] or fs.getName(shell.getRunningProgram())
+    print("This program downloads a file from my git repository. Usage:")
+    print(programName .. " <programname> [filename]")
+    print(programName .. " run <programname>")
+end
+
+local tArgs = { ... }
+
+local run = false
+if tArgs[1] == "run" then
+    table.remove(tArgs, 1)
+    run = true
+end
+
+if #tArgs < 1 then
+    printUsage()
+    return
+end
+
+local url = repo .. table.remove(tArgs, 1) .. ".lua"
+
+if not http then
+    printError("getscript requires the http API")
+    printError("Set http.enabled to true in CC: Tweaked's config")
+    return
+end
+
+local function getFilename(sUrl)
+    sUrl = sUrl:gsub("[#?].*", ""):gsub("/+$", "")
+    return sUrl:match("/([^/]+)$")
+end
+
+local function get(sUrl)
+    -- Check if the URL is valid
+    local ok, err = http.checkURL(url)
+    if not ok then
+        printError(err or "Invalid URL.")
+        return
+    end
+
+    write("Connecting to " .. sUrl .. "... ")
+
+    local response = http.get(sUrl, nil, true)
+    if not response then
+        print("Failed.")
+        return nil
+    end
+
+    print("Success.")
+
+    local sResponse = response.readAll()
+    response.close()
+    return sResponse or ""
+end
+
+if run then
+    local res = get(url)
+    if not res then return end
+
+    local func, err = load(res, getFilename(url), "t", _ENV)
+    if not func then
+        printError(err)
+        return
+    end
+
+    local ok, err = pcall(func, table.unpack(tArgs))
+    if not ok then
+        printError(err)
+    end
+else
+    local sFile = tArgs[1] or getFilename(url) or url
+    local sPath = shell.resolve(sFile)
+    if fs.exists(sPath) then
+        print("File already exists")
+        return
+    end
+
+    local res = get(url)
+    if not res then return end
+
+    local file, err = fs.open(sPath, "wb")
+    if not file then
+        printError("Cannot save file: " .. err)
+        return
+    end
+
+    file.write(res)
+    file.close()
+
+    print("Downloaded as " .. sFile)
+end