commit e42465c91492f676e8845dc225e1b4111f0d9098
Author: min <minish@riseup.net>
Date:   Thu Feb 5 18:49:09 2026 -0500

    initial commit

diff --git a/.gitignore b/.gitignore
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+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "winsafe"
+version = "0.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d135d17ab770252ad95e9a872d365cf3090e3be864a34ab46f48555993efc904"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..8fb4336
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "lpk"
+version = "0.2.0"
+edition = "2024"
+
+[dependencies]
+argh = "0.1.13"
+colog = "1.4.0"
+log = "0.4.29"
+mlua = { version = "0.11.6", features = ["lua51", "vendored"] }
+pathdiff = "0.2.3"
+walkdir = "2.5.0"
diff --git a/demo/.pakignore b/demo/.pakignore
new file mode 100644
index 0000000..3cbf625
--- /dev/null
+++ b/demo/.pakignore
@@ -0,0 +1,2 @@
+# outputs
+./out.lua
diff --git a/demo/index.lua b/demo/index.lua
new file mode 100644
index 0000000..cd78886
--- /dev/null
+++ b/demo/index.lua
@@ -0,0 +1,6 @@
+local mylib = require("mylib")
+local myconfig = require("myconfig")
+
+mylib:log_info("hi " .. myconfig.target)
+
+return true
diff --git a/demo/myconfig.lua b/demo/myconfig.lua
new file mode 100644
index 0000000..4e7a577
--- /dev/null
+++ b/demo/myconfig.lua
@@ -0,0 +1,5 @@
+local config = {}
+
+config.target = "world"
+
+return config
diff --git a/demo/mylib.lua b/demo/mylib.lua
new file mode 100644
index 0000000..6e406e5
--- /dev/null
+++ b/demo/mylib.lua
@@ -0,0 +1,7 @@
+local mylib = {}
+
+function mylib:log_info(msg)
+  print("[info] " .. msg)
+end
+
+return mylib
diff --git a/src/compile.rs b/src/compile.rs
new file mode 100644
index 0000000..cff86d4
--- /dev/null
+++ b/src/compile.rs
@@ -0,0 +1,11 @@
+use mlua::prelude::*;
+
+/// Compiles Lua source into a chunk
+pub fn compile(source: &str, chunk_name: &str) -> Vec<u8> {
+    Lua::new()
+        .load(source)
+        .set_name(chunk_name)
+        .into_function()
+        .expect("failed to convert lua source into function")
+        .dump(true)
+}
diff --git a/src/escape.rs b/src/escape.rs
new file mode 100644
index 0000000..14acc8d
--- /dev/null
+++ b/src/escape.rs
@@ -0,0 +1,5 @@
+pub fn escape_mod_name(name: &str) -> String {
+    name.replace('\\', "\\\\")
+        .replace('\'', "\\'")
+        .replace('\"', "\\\"")
+}
diff --git a/src/ignore.rs b/src/ignore.rs
new file mode 100644
index 0000000..6165b1e
--- /dev/null
+++ b/src/ignore.rs
@@ -0,0 +1,53 @@
+use std::{
+    fs,
+    path::{Path, PathBuf},
+};
+
+use log::info;
+
+/// Parses .pakignore file contents
+fn parse(ignore_path: &Path, content: &str) -> Vec<PathBuf> {
+    // Get tree base path
+    let base_path = ignore_path.parent().unwrap();
+
+    // Split pakignore into lines
+    let lines = content.split('\n');
+
+    let mut ignore = Vec::new();
+
+    // Add pakignore to ignored list
+    ignore.push(ignore_path.to_path_buf());
+
+    for line in lines {
+        // Trim whitespace
+        let line = line.trim();
+
+        // Skip empty lines and comments
+        if line.is_empty() || line.starts_with('#') {
+            continue;
+        }
+
+        // Convert the &str to a PathBuf
+        let path = base_path.join(PathBuf::from(line));
+
+        info!("Adding to ignore list: {}", path.to_str().unwrap());
+
+        // Add to list
+        ignore.push(path);
+    }
+
+    ignore
+}
+
+/// Reads and parses a .pakignore file
+pub fn read(path: &Path) -> Vec<PathBuf> {
+    match fs::read_to_string(path) {
+        Ok(content) => parse(path, &content),
+        Err(_) => Vec::new(),
+    }
+}
+
+/// Check if a path is ignored
+pub fn is_ignored(ignored: &Vec<PathBuf>, file: &Path) -> bool {
+    ignored.into_iter().any(|path| path == file)
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..8fcc935
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,68 @@
+use std::{fs, path::Path};
+
+mod compile;
+mod escape;
+mod ignore;
+mod pack;
+mod walk;
+
+use argh::FromArgs;
+
+/// lpk - lua project compiler
+#[derive(FromArgs, Debug)]
+struct Args {
+    /// the path to the input source tree.
+    /// This will be packed into one file.
+    #[argh(option, short = 'i')]
+    input: Option<String>,
+
+    /// the output file the source tree will be packed to.
+    /// May be Lua source or binary bytecode chunk.
+    #[argh(option, short = 'o')]
+    output: Option<String>,
+
+    /// whether or not to compile the script into Lua 5.1 bytecode.
+    #[argh(switch, short = 'c')]
+    compile: bool,
+
+    /// the name of the chunk for compiled bytecode.
+    #[argh(option, short = 'C')]
+    chunk_name: Option<String>,
+}
+
+fn main() {
+    // Initialise logger
+    colog::init();
+
+    // Read args
+    let args: Args = argh::from_env();
+
+    // Get source tree path
+    let tree_path_str = args.input.unwrap_or("./".to_string());
+    let tree_path = Path::new(&tree_path_str);
+
+    // Walk source tree
+    let mut tree = walk::walk(tree_path);
+    log::info!("Walked!");
+
+    // Pack tree into single source
+    let source = pack::pack(&mut tree);
+    log::info!("Packed!");
+
+    // Prepare for save
+    let name = args.output.unwrap_or(if !args.compile {
+        "./out.lua".to_string()
+    } else {
+        "./out.bin".to_string()
+    });
+
+    // Optionally compile
+    let source = if args.compile {
+        compile::compile(&source, &args.chunk_name.unwrap_or("lpk".to_string()))
+    } else {
+        Vec::from(source.as_bytes())
+    };
+
+    // Save to file
+    fs::write(name, &source).expect("failed to write output!");
+}
diff --git a/src/module.lua b/src/module.lua
new file mode 100644
index 0000000..ddcacdf
--- /dev/null
+++ b/src/module.lua
@@ -0,0 +1,3 @@
+['--[[name]]--'] = function(require)
+--[[content]]--
+end,
diff --git a/src/pack.rs b/src/pack.rs
new file mode 100644
index 0000000..9b3c14f
--- /dev/null
+++ b/src/pack.rs
@@ -0,0 +1,44 @@
+use std::{collections::HashMap, process::exit};
+
+use log::error;
+
+use crate::escape;
+
+pub fn pack(tree: &mut HashMap<String, String>) -> String {
+    // Load templates
+    let wrapper = include_str!("wrapper.lua");
+    let module = include_str!("module.lua");
+
+    // Try to get index
+    let index = tree.remove("index");
+    if index.is_none() {
+        error!("Missing index.lua");
+        exit(1);
+    }
+    let index = index.unwrap();
+
+    // If it's just index, return it
+    // There would be no modules to pack
+    if tree.is_empty() {
+        return index;
+    }
+
+    // Add the index
+    let wrapper = wrapper.replace(r#"--[[index]]--"#, &index);
+
+    // Init modules
+    let mut modules = String::new();
+
+    for (name, content) in tree {
+        let name = escape::escape_mod_name(name);
+
+        modules += &module
+            .replace("--[[name]]--", &name)
+            .replace("--[[content]]--", content);
+    }
+
+    // Add modules
+    let wrapper = wrapper.replace(r#"--[[modules]]--"#, &modules);
+
+    wrapper
+}
diff --git a/src/walk.rs b/src/walk.rs
new file mode 100644
index 0000000..cc741fe
--- /dev/null
+++ b/src/walk.rs
@@ -0,0 +1,77 @@
+use std::{
+    collections::HashMap,
+    fs,
+    path::{MAIN_SEPARATOR, Path, PathBuf},
+};
+
+use log::{error, info};
+use walkdir::WalkDir;
+
+use crate::ignore;
+
+/// Walks a Lua source tree
+pub fn walk(tree_path: &Path) -> HashMap<String, String> {
+    // Read and parse .pakignore
+    let mut pakignore_path = PathBuf::from(tree_path);
+    pakignore_path.push(".pakignore");
+    let ignored = ignore::read(&pakignore_path);
+
+    // Resulting source tree
+    let mut tree: HashMap<String, String> = HashMap::new();
+
+    // Walk source tree
+    for entry in WalkDir::new(tree_path)
+        .min_depth(1)
+        .into_iter()
+        .filter_entry(|e| !ignore::is_ignored(&ignored, e.path()))
+    {
+        let entry = entry.expect("failed to get directory entry");
+
+        if ignore::is_ignored(&ignored, entry.path()) {
+            continue;
+        }
+
+        // Skip directories/symlinks
+        if entry.file_type().is_file() {
+            let path = entry.path();
+
+            // Read file extension
+            let extension = path
+                .extension()
+                .and_then(|x| x.to_str())
+                .unwrap_or_default();
+
+            // Get file name for debug outputs
+            let file_name = path
+                .file_name()
+                .and_then(|x| x.to_str())
+                .expect("failed to get file name");
+
+            // Skip non-.lua files
+            if extension != "lua" {
+                info!("Skipping non-lua file: {}", file_name);
+                continue;
+            }
+
+            // Get the relative path and make module name
+            let relative = pathdiff::diff_paths(path, tree_path).unwrap();
+            let name = relative
+                .with_extension("")
+                .to_str()
+                .unwrap()
+                .replace(MAIN_SEPARATOR, "/");
+
+            match fs::read_to_string(path) {
+                Ok(content) => {
+                    info!("Adding to tree: {}", file_name);
+                    tree.insert(name, content);
+                }
+                Err(_) => {
+                    error!("Failed to read, skipping: {}", file_name);
+                }
+            }
+        }
+    }
+
+    tree
+}
diff --git a/src/wrapper.lua b/src/wrapper.lua
new file mode 100644
index 0000000..e1a2034
--- /dev/null
+++ b/src/wrapper.lua
@@ -0,0 +1,23 @@
+return (function(require)
+--[[index]]--
+end)(setmetatable({
+    {
+--[[modules]]--
+    }, {}
+}, {
+    __call = function(self, mod_name)
+        local mod_cache, ret_cache = self[1], self[2]
+        local mod, ret = mod_cache[mod_name], ret_cache[mod_name]
+        
+        if not mod then
+            return require(mod_name)
+        end
+        
+        if mod and not ret then
+            ret_cache[mod_name] = mod(self)
+            ret = ret_cache[mod_name]
+        end
+        
+        return ret
+    end, __metatable = false
+}))
\ No newline at end of file