1 files changed, 161 insertions, 0 deletions
diff --git a/build.lua b/build.lua
new file mode 100644
index 0000000..9014b44
--- /dev/null
+++ b/build.lua
@@ -0,0 +1,161 @@
+local lfs = require("lfs")
+
+local enableDebug = true
+local enableImGui = false
+local flatpakSteam = true
+
+-- Name of your local workshop container
+local workshopName = "MyModWorkshop"
+
+-- Mods live here inside the git repo
+local repoModsDir = "mods"
+
+local isWindows = package.config:sub(1, 1) == "\\"
+local sep = isWindows and "\\" or "/"
+
+local homeDir = isWindows and os.getenv("userprofile") or os.getenv("HOME")
+local flatpakSteamVar = not isWindows and os.getenv("HOME") .. "/.var/app/com.valvesoftware.Steam"
+
+-- Launch via Steam
+local pzCacheRoot
+local pzExecutable
+if isWindows then
+	pzCacheRoot = (homeDir .. "\\Zomboid")
+	pzExecutable = "steam.exe -applaunch 108600"
+else
+	pzExecutable = flatpakSteam and "flatpak run com.valvesoftware.Steam -applaunch 108600" or "steam -applaunch 108600"
+	pzCacheRoot = flatpakSteam and (flatpakSteamVar .. "/Zomboid") or (homeDir .. "/Zomboid")
+end
+
+-- Final destination: Workshop/<Name>/Contents/mods
+local pzModsDir = pzCacheRoot .. sep .. "Workshop" .. sep .. workshopName .. sep .. "Contents" .. sep .. "mods"
+
+-- =========================
+-- File helpers
+-- =========================
+
+local function copyFile(src, dst)
+	local inFile = assert(io.open(src, "rb"))
+	local data = inFile:read("*all")
+	inFile:close()
+
+	local outFile = assert(io.open(dst, "wb"))
+	outFile:write(data)
+	outFile:close()
+end
+
+local function mkdir(path)
+	if isWindows then
+		os.execute(string.format('mkdir "%s" 2>nul', path))
+	else
+		os.execute(string.format('mkdir -p "%s"', path))
+	end
+end
+
+local function copyDir(src, dst)
+	mkdir(dst)
+	for name in lfs.dir(src) do
+		if name ~= "." and name ~= ".." then
+			local srcPath = src .. sep .. name
+			local dstPath = dst .. sep .. name
+			local attr = lfs.attributes(srcPath)
+			if attr.mode == "directory" then
+				copyDir(srcPath, dstPath)
+			else
+				copyFile(srcPath, dstPath)
+			end
+		end
+	end
+end
+
+-- =========================
+-- Safety helpers
+-- =========================
+
+local function normalizePath(path)
+	path = path:gsub("\\", "/")
+	return path:gsub("/+$", "")
+end
+
+local function isRootPath(path)
+	if path == "/" then
+		return true
+	end
+	if path:match("^[A-Za-z]:$") then
+		return true
+	end
+	return false
+end
+local function isSubPath(child, parent)
+	child = normalizePath(child)
+	parent = normalizePath(parent)
+	return child:sub(1, #parent + 1) == parent .. "/"
+end
+
+local function validatePath(target, root, home)
+	local t = normalizePath(target)
+	local r = normalizePath(root)
+	local h = normalizePath(home)
+
+	assert(t ~= "", "Refusing to delete empty path")
+	assert(not isRootPath(t), "Refusing to delete root path")
+	assert(t ~= h, "Refusing to delete home directory")
+	assert(isSubPath(t, r), "Refusing to delete outside workshop mods")
+	assert(#t > #r + 1, "Refusing to delete mods root")
+end
+
+-- =========================
+-- Discover mods dynamically
+-- =========================
+
+local mods = {}
+
+for name in lfs.dir(repoModsDir) do
+	if name ~= "." and name ~= ".." then
+		local path = repoModsDir .. sep .. name
+		local attr = lfs.attributes(path)
+		if attr and attr.mode == "directory" then
+			table.insert(mods, name)
+		end
+	end
+end
+
+assert(#mods > 0, "No mods found in ./mods directory")
+
+-- =========================
+-- Copy mods
+-- =========================
+
+print("Installing mods into workshop:")
+mkdir(pzModsDir)
+
+for _, modName in ipairs(mods) do
+	local src = repoModsDir .. sep .. modName
+	local dst = pzModsDir .. sep .. modName
+	print("  - " .. modName)
+	print("  - copied" .. src .. " to " .. dst)
+	validatePath(dst, pzModsDir, homeDir)
+	copyDir(src, dst)
+end
+
+print("All mods copied successfully!")
+
+-- =========================
+-- Launch Project Zomboid
+-- =========================
+
+local params = {}
+table.insert(params, "-modfolders workshop,mods")
+
+if enableDebug then
+	table.insert(params, "-debug")
+end
+if enableImGui then
+	table.insert(params, "-imgui")
+end
+
+local cmd = string.format("%s %s", pzExecutable, table.concat(params, " "))
+
+print("Launching:")
+print(cmd)
+os.execute(cmd)