diff --git a/build b/build
new file mode 100755
index 0000000..2f69899
--- /dev/null
+++ b/build
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+build_pkgr() {
+  cd pkgr
+  mkdir -p dist/root/{usr/bin,etc/pkgr}
+  echo -e "You can't use pkgr to update pkgr because the file will be in use while updating.\nuse bootpkg" > dist/root/etc/pkgr/YOU-CAN-NOT-USE-PKGR-TO-UPDATE-PKGR.txt
+
+  # for bin
+  cargo build -r
+  cp target/release/pkgr dist/root/usr/bin/pkgr
+
+  # for build
+  mkdir -p dist/pkgr
+  cp -r src/ Cargo.toml dist/pkgr
+  cp -r ../manifest dist/manifest
+  cp -r ../pkgfile dist/pkgfile
+
+  cd dist
+  python ../../pkg.py ../package.toml pkgr.pkg "*"
+  cd ../..
+}
+
+build_bootpkg() {
+  cd bootpkg
+  mkdir -p dist/root/usr/bin
+
+  cargo build -r
+  cp target/release/bootpkg dist/root/usr/bin/bootpkg
+
+
+  cd dist
+  python ../../pkg.py ../package.toml bootpkg.pkg "*"
+  cd ../..
+}
+
+set -e
+
+build_bootpkg
+build_pkgr
diff --git a/build_pkg.sh b/build_pkg.sh
deleted file mode 100644
index 2830ede..0000000
--- a/build_pkg.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-
-mkdir -p dist/root/usr/bin/ dist/root/etc/pkgr
-echo "\x00" > dist/root/etc/pkgr/YOU.CAN.NOT.UPDATE.PKGR.WITH.PKGR
-cd pkgr
-cargo build -r
-cp target/release/pkgr ../dist/root/usr/bin/pkgr
-cd ../dist
-python ../pkg.py ../package.toml pkgr root
\ No newline at end of file
diff --git a/pkg.py b/pkg.py
index c0a8b85..03e20ab 100644
--- a/pkg.py
+++ b/pkg.py
@@ -1,3 +1,4 @@
+import glob
 import os
 import sys
 import tarfile
@@ -6,7 +7,7 @@ import tarfile
 def build_package(package_toml_path, output_path, directories_to_include):
     data = read_package_toml(package_toml_path)
     header = build_header(data)
-    pkg_path = output_path + ".pkg"
+    pkg_path = output_path
 
     with open(pkg_path, mode='wb') as pkg:
         pkg.write(header)
@@ -45,6 +46,7 @@ def add_files_to_tar(pkgtar, directory, skip_target=False):
             if skip_target and "target" in root:
                 continue
             print(f"\33[2Kadd: {os.path.join(root, file)}", end="\r", flush=True)
+            # print()
             pkgtar.add(os.path.join(root, file))
     print("\33[2K", end="\r", flush=True)
 
@@ -66,7 +68,7 @@ if __name__ == '__main__':
 
     package_toml_path = sys.argv[1]
     output_path = sys.argv[2]
-    directories_to_include = sys.argv[3:] if len(sys.argv) > 3 else None
+    directories_to_include = glob.glob(sys.argv[3]) if len(sys.argv) == 4 else sys.argv[3:]
 
     try:
         pkg_path = build_package(package_toml_path, output_path, directories_to_include)