diff --git a/lib/__init__.py b/lib/__init__.py
index 473a0f4..57868f8 100644
--- a/lib/__init__.py
+++ b/lib/__init__.py
@@ -0,0 +1 @@
+from . import arch, atombuild, make, packie, pkgcomposer, sources, managed_source
diff --git a/lib/atombuild.py b/lib/atombuild.py
index fa40fd8..db586ed 100644
--- a/lib/atombuild.py
+++ b/lib/atombuild.py
@@ -92,7 +92,7 @@ def prepare_build_env(root: str, extreq: list[str] = []):
 
 
 def enter_build_env(root: str, cmd: list[str], chdir: str = "/"):
-    reserve_env = ["https_proxy", "http_proxy", "all_proxy"]
+    reserve_env = ["https_proxy", "http_proxy", "all_proxy", "SEMIOS_SOURCE_REPO"]
     reserve_env_args = []
     for i in reserve_env:
         if os.environ.get(i):
diff --git a/lib/make.py b/lib/make.py
index e794772..34f0189 100644
--- a/lib/make.py
+++ b/lib/make.py
@@ -4,7 +4,7 @@ import os
 
 from lib import arch
 
-from . import pkgcomposer, sources
+from . import pkgcomposer, sources, managed_source
 
 _key_global = "@global"
 _key_version = "version"
@@ -18,6 +18,9 @@ _key_recommendations = "recommendations"
 _key_provides = "provides"
 _key_configure = "configure"
 
+_managed_source_url = None
+_managed_source_postprocess = ""
+
 _current_pkgname: str = _key_global
 _pkginfo: dict[str, dict[str, typing.Any]] = {
     _key_global: {
@@ -32,7 +35,7 @@ _pkginfo: dict[str, dict[str, typing.Any]] = {
 _supported_arch: typing.Callable[[str], bool] = lambda x: True
 _on_build: typing.Callable[[], None] | None = None
 
-_in_atombuild = False
+_dry_run = False
 _builddep: list[str] = []
 
 _blocked_hooks: list[str] = []
@@ -155,14 +158,22 @@ def block_hook(hook: str):
 
 
 def source_url(url: str):
-    if not _in_atombuild:
+    if not _dry_run:
         sources.source_url(url)
 
 
 def source_git(url: str, branch: str | None = None):
-    if not _in_atombuild:
+    if not _dry_run:
         sources.source_git(url, branch)
 
 
+def source_managed(s: str, postprocess: str = ""):
+    global _managed_source_url, _managed_source_postprocess
+    _managed_source_url = s
+    _managed_source_postprocess = postprocess
+    if not _dry_run:
+        sources.source_url(managed_source.get_repo_url(s))
+
+
 def in_atomic():
     return os.environ.get("SEMIOS_PKGBUILD_IN_ATOMIC", "0") == "1"
diff --git a/lib/managed_source.py b/lib/managed_source.py
new file mode 100644
index 0000000..b6fa7d0
--- /dev/null
+++ b/lib/managed_source.py
@@ -0,0 +1,77 @@
+from urllib.parse import urlparse
+import os
+import subprocess
+from . import sources
+import glob
+
+
+DEFAULT_REPO="https://mirror2.semilabs.org/semios/srcpkgs"
+
+
+def postprocess_rust():
+    subprocess.run(["cargo", "vendor"], check=True)
+    os.makedirs(".cargo", exist_ok=True)
+    with open(".cargo/config.toml", "a+") as fd:
+        fd.write(
+            "[source.crates-io]\nreplace-with = 'vendored-sources'\n[source.vendored-sources]\ndirectory = 'vendor'\n",
+        )
+
+def postprocess_autotools():
+    subprocess.run(["sh", "autogen.sh"], check=True)
+    subprocess.run(["./configure"], check=False)
+    subprocess.run(["make", "dist"], check=True)
+    tarballs = glob.glob("*.tar.gz")
+    if len(tarballs) != 1:
+        raise RuntimeError("No dist tarballs found.")
+    subprocess.run(["tar", "xf", tarballs[0]], check=True)
+    os.chdir(tarballs[0].replace(".tar.gz", ""))
+
+
+def get_origin_url(s):
+    url = urlparse(s)
+    if url.scheme == "github":
+        return f"https://github.com/{url.hostname}{url.path}/archive/refs/tags/{url.fragment}.tar.gz"
+    elif url.scheme == "gitea":
+        return f"https://{url.hostname}{url.path}/archive/{url.fragment}.tar.gz"
+    else:
+        raise RuntimeError(f"Unsupported scheme \"{url.scheme}\"")
+
+def get_updates(s):
+    url = urlparse(s)
+    current_version = url.fragment
+
+def get_repo_filename(s):
+    url = urlparse(s)
+    if url.scheme == "github":
+        ghname = f"{url.hostname}-{url.path.replace('/', '')}"
+        return f"github-{ghname}-{url.fragment}.tar.zst"
+    elif url.scheme == "gitea":
+        gitea_name = url.path.replace('/', '')
+        gitea_host = url.hostname.split('.')[-2]
+        return f"{gitea_host}-{gitea_name}-{url.fragment}.tar.zst"
+    else:
+        raise RuntimeError(f"Unsupported scheme \"{url.scheme}\"")
+
+def get_repo_url(s):
+    url = urlparse(s)
+    repo_url = os.environ.get("SEMIOS_SOURCE_REPO", DEFAULT_REPO)
+    return f"{repo_url}/{get_repo_filename(s)}"
+
+def create_srcpkg(s, postprocess="") -> str:
+    origin_url = get_origin_url(s)
+    origin_dir = sources.download_decompress(origin_url)
+    os.chdir(origin_dir)
+    for program in postprocess.split(','):
+        program = program.strip()
+        if program == "":
+            continue
+        elif program == "rust":
+            postprocess_rust()
+        elif program == "autotools":
+            postprocess_autotools()
+        else:
+            raise RuntimeError(f"Unknown postprocessor \"{program}\"")
+    subprocess.run(["tar", "cpf", "../srcpkg.tar", "--numeric-owner", "."], check=True)
+    os.chdir("../")
+    subprocess.run(["zstd", "-q", "-f", "-o", get_repo_filename(s), "srcpkg.tar"], check=True)
+    return os.getcwd() + "/" + get_repo_filename(s)
diff --git a/lib/sources.py b/lib/sources.py
index b1d85bc..72aa870 100644
--- a/lib/sources.py
+++ b/lib/sources.py
@@ -52,14 +52,7 @@ def zip_common_root(zip_file: zipfile.ZipFile) -> str | None:
     return root
 
 
-def sources_dir_name() -> str:
-    with open("./target/sources.tag") as file:
-        return file.read()
-
-
-def source_url(url: str):
-    if os.path.exists("./target/sources.tag"):
-        return
+def download_decompress(url: str) -> str:
     download_path = f"./target/{filename(url)}"
     download(url, download_path)
 
@@ -83,6 +76,18 @@ def source_url(url: str):
         with tarfile.open(download_path, "r") as tar:
             tar.extractall(extract_dir)
 
+    return sources_dir
+
+
+def sources_dir_name() -> str:
+    with open("./target/sources.tag") as file:
+        return file.read()
+
+
+def source_url(url: str):
+    if os.path.exists("./target/sources.tag"):
+        return
+    sources_dir = download_decompress(url)
     with open("./target/sources.tag", "wt+") as file:
         file.write(sources_dir)
 
diff --git a/packages/SPIRV-Headers/pkgbuild.py b/packages/SPIRV-Headers/pkgbuild.py
index f409abf..20bff47 100644
--- a/packages/SPIRV-Headers/pkgbuild.py
+++ b/packages/SPIRV-Headers/pkgbuild.py
@@ -1,27 +1,27 @@
 from lib.make import *
 from lib import cpp
- 
- 
+
+
 version("1.4.357.0")
 description("SPIR-V headers")
 maintainer("sisungo <[email protected]>")
-source_url("https://github.com/KhronosGroup/SPIRV-Headers/archive/refs/tags/vulkan-sdk-1.4.357.0.tar.gz")
+source_managed("github://KhronosGroup/SPIRV-Headers#vulkan-sdk-1.4.357.0")
 
 builddep("shortcut/cmake")
 builddep("shortcut/c")
- 
- 
+
+
 def build():
     cpp.cmake([f"-DCMAKE_INSTALL_PREFIX={get_prefix('spirv-headers')}"])
     cpp.ninja()
     cpp.ninja_install()
 
 on_build(build)
- 
+
 
 def pack(composer):
     composer.add_dir("include", "include")
     composer.add_dir("share", "lib")
- 
+
 package("spirv-headers")
 on_pack(pack)
diff --git a/packages/SPIRV-LLVM-Translator/pkgbuild.py b/packages/SPIRV-LLVM-Translator/pkgbuild.py
index ef46a36..d52e931 100644
--- a/packages/SPIRV-LLVM-Translator/pkgbuild.py
+++ b/packages/SPIRV-LLVM-Translator/pkgbuild.py
@@ -5,7 +5,7 @@ from lib import cpp, packie
 version("22.1.5")
 description("A tool and a library for bi-directional translation between SPIR-V and LLVM IR")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/KhronosGroup/SPIRV-LLVM-Translator/archive/refs/tags/v22.1.5.tar.gz")
+source_managed("github://KhronosGroup/SPIRV-LLVM-Translator#v22.1.5")
 
 builddep("shortcut/cmake")
 builddep("shortcut/c++")
diff --git a/packages/SPIRV-Tools/pkgbuild.py b/packages/SPIRV-Tools/pkgbuild.py
index 98bea5a..8285c83 100644
--- a/packages/SPIRV-Tools/pkgbuild.py
+++ b/packages/SPIRV-Tools/pkgbuild.py
@@ -10,7 +10,7 @@ sdk_version = "1.4.357.0"
 version(sdk_version)
 description("an API and commands for processing SPIR-V modules")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/KhronosGroup/SPIRV-Tools/archive/refs/tags/vulkan-sdk-1.4.357.0.tar.gz")
+source_managed("github://KhronosGroup/SPIRV-Tools#vulkan-sdk-1.4.357.0")
 
 builddep("shortcut/cmake")
 builddep("shortcut/c++")
diff --git a/packages/airboot-linux-stage2/pkgbuild.py b/packages/airboot-linux-stage2/pkgbuild.py
index f16a96f..64eda4c 100644
--- a/packages/airboot-linux-stage2/pkgbuild.py
+++ b/packages/airboot-linux-stage2/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("0.1.0-alpha.1")
 description("AirBoot Linux initramfs generator.")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/airboot-linux-stage2/archive/0.1.0-alpha.1.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/airboot-linux-stage2#0.1.0-alpha.1")
 
 
 def build():
diff --git a/packages/airup/pkgbuild.py b/packages/airup/pkgbuild.py
index 5e13bdc..8d45cee 100644
--- a/packages/airup/pkgbuild.py
+++ b/packages/airup/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("0.10.9")
 description("Modern, portable and fast implementation of service supervisor and the init daemon.")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/sisungo/airup/archive/refs/tags/v0.10.9.tar.gz")
+source_managed("github://sisungo/airup#v0.10.9", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/awk/pkgbuild.py b/packages/awk/pkgbuild.py
index 3790376..74eb508 100644
--- a/packages/awk/pkgbuild.py
+++ b/packages/awk/pkgbuild.py
@@ -6,7 +6,7 @@ from lib.make import *
 version("2026.4.26")
 description("The One True Awk programming language")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/onetrueawk/awk/archive/refs/tags/20260426.tar.gz")
+source_managed("github://onetrueawk/awk#20260426")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/aws-lc/pkgbuild.py b/packages/aws-lc/pkgbuild.py
index 9b4ca3b..fd70070 100644
--- a/packages/aws-lc/pkgbuild.py
+++ b/packages/aws-lc/pkgbuild.py
@@ -6,7 +6,7 @@ from lib.make import *
 version("5.5.0")
 description("a general-purpose cryptographic library maintained by the AWS Cryptography team")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/aws/aws-lc/archive/refs/tags/v5.5.0.tar.gz")
+source_managed("github://aws/aws-lc#v5.5.0")
 
 builddep("shortcut/c++")
 builddep("shortcut/cmake")
diff --git a/packages/bc/pkgbuild.py b/packages/bc/pkgbuild.py
index a0a6834..32713fb 100644
--- a/packages/bc/pkgbuild.py
+++ b/packages/bc/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("7.0.3")
 description("An implementation of the POSIX bc calculator with GNU extensions and dc")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/gavinhoward/bc/releases/download/7.0.3/bc-7.0.3.tar.gz")
+source_managed("github://gavinhoward/bc#7.0.3")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/brotli/pkgbuild.py b/packages/brotli/pkgbuild.py
index c74a504..5b39135 100644
--- a/packages/brotli/pkgbuild.py
+++ b/packages/brotli/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("1.2.0")
 description("Brotli compression format")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/google/brotli/archive/refs/tags/v1.2.0.tar.gz")
+source_managed("github://google/brotli#v1.2.0")
 
 builddep("shortcut/c")
 builddep("shortcut/cmake")
diff --git a/packages/c-ares/pkgbuild.py b/packages/c-ares/pkgbuild.py
index 97f9373..d2515a3 100644
--- a/packages/c-ares/pkgbuild.py
+++ b/packages/c-ares/pkgbuild.py
@@ -4,9 +4,7 @@ from lib.make import *
 version("1.34.8")
 description("A C library for asynchronous DNS requests")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/c-ares/c-ares/releases/download/v1.34.8/c-ares-1.34.8.tar.gz"
-)
+source_managed("github://c-ares/c-ares#v1.34.8", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/cargo/pkgbuild.py b/packages/cargo/pkgbuild.py
index 28299f0..15c5045 100644
--- a/packages/cargo/pkgbuild.py
+++ b/packages/cargo/pkgbuild.py
@@ -5,7 +5,7 @@ from lib import rust
 version("0.98.0")
 description("The Rust package manager")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/rust-lang/cargo/archive/refs/tags/0.98.0.tar.gz")
+source_managed("github://rust-lang/cargo#0.98.0", "rust")
 
 builddep("shortcut/c")
 builddep("cargo")
diff --git a/packages/certutil/pkgbuild.py b/packages/certutil/pkgbuild.py
index 94193b5..57c8333 100644
--- a/packages/certutil/pkgbuild.py
+++ b/packages/certutil/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("0.1.0")
 description("SemiOS certification utility")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/certutil/archive/v0.1.0.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/certutil#v0.1.0", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/coreutils/pkgbuild.py b/packages/coreutils/pkgbuild.py
index 058a340..3788009 100644
--- a/packages/coreutils/pkgbuild.py
+++ b/packages/coreutils/pkgbuild.py
@@ -4,7 +4,8 @@ from lib.make import *
 version("0.10.0")
 description("system core utilities")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/uutils/coreutils/archive/refs/tags/0.10.0.tar.gz")
+source_managed("github://uutils/coreutils#0.10.0", "rust")
+
 block_hook("autolink")
 
 builddep("shortcut/rust")
diff --git a/packages/dbus-broker/pkgbuild.py b/packages/dbus-broker/pkgbuild.py
index 86384f9..69e41e4 100644
--- a/packages/dbus-broker/pkgbuild.py
+++ b/packages/dbus-broker/pkgbuild.py
@@ -4,7 +4,7 @@ from lib import cpp
 version("1.37")
 description("Linux D-Bus Message Broker")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/bus1/dbus-broker/releases/download/v37/dbus-broker-37.tar.xz")
+source_managed("github://bus1/dbus-broker#v37")
 
 supported_arch(lambda arch: "linux" in arch)
 
diff --git a/packages/diffutils/pkgbuild.py b/packages/diffutils/pkgbuild.py
index afc3358..ca877e4 100644
--- a/packages/diffutils/pkgbuild.py
+++ b/packages/diffutils/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("0.5.0")
 description("utility to compute difference between text files")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/uutils/diffutils/archive/refs/tags/v0.5.0.tar.gz")
+source_managed("github://uutils/diffutils#v0.5.0", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/expat/pkgbuild.py b/packages/expat/pkgbuild.py
index 62e4769..aa25700 100644
--- a/packages/expat/pkgbuild.py
+++ b/packages/expat/pkgbuild.py
@@ -7,15 +7,14 @@ from lib.make import *
 version("2.8.3")
 description("Fast streaming XML parser written in C99")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/libexpat/libexpat/releases/download/R_2_8_3/expat-2.8.3.tar.gz"
-)
+source_managed("github://libexpat/libexpat#R_2_8_3")
 
 builddep("shortcut/c")
 builddep("shortcut/cmake")
 
 
 def build():
+    os.chdir("expat")
     cpp.cmake([
         f"-DCMAKE_INSTALL_LIBDIR={get_prefix('libexpat')}/lib",
         f"-DCMAKE_INSTALL_INCLUDEDIR={get_prefix('libexpat-dev')}/include",
diff --git a/packages/file/pkgbuild.py b/packages/file/pkgbuild.py
index d649fde..c66ac03 100644
--- a/packages/file/pkgbuild.py
+++ b/packages/file/pkgbuild.py
@@ -8,7 +8,7 @@ VERSION = "5.48"
 version(VERSION)
 description("utility to infer file type and information")
 maintainer("sisungo <sisungo@icloud.com>")
-source_git("https://github.com/file/file.git", "FILE5_48")
+source_managed("github://file/file#FILE5_48", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
@@ -19,7 +19,6 @@ builddep(f"libbzip2-dev @{arch.get_target()}")
 
 
 def build():
-    subprocess.run(["autoreconf", "-fiv"], check=True)
     cpp.configure([
         "--prefix=/",
         f"--libdir={get_prefix('libmagic')}/lib",
diff --git a/packages/findutils/pkgbuild.py b/packages/findutils/pkgbuild.py
index a884678..43fd067 100644
--- a/packages/findutils/pkgbuild.py
+++ b/packages/findutils/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("0.10.0")
 description("implementation of the UNIX findutils")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/uutils/findutils/archive/refs/tags/0.10.0.tar.gz")
+source_managed("github://uutils/findutils#0.10.0", "rust")
 
 builddep("shortcut/rust")
 
@@ -12,7 +12,6 @@ builddep("shortcut/rust")
 def build():
     rust.build()
 
-
 on_build(build)
 
 
diff --git a/packages/flex/pkgbuild.py b/packages/flex/pkgbuild.py
index 90fcfb1..bdb7250 100644
--- a/packages/flex/pkgbuild.py
+++ b/packages/flex/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("2.6.4")
 description("The Fast Lexical Analyzer - scanner generator for lexing in C and C++")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz")
+source_managed("github://westes/flex#v2.6.4", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/gettext-tiny/pkgbuild.py b/packages/gettext-tiny/pkgbuild.py
index 118422e..56dd54d 100644
--- a/packages/gettext-tiny/pkgbuild.py
+++ b/packages/gettext-tiny/pkgbuild.py
@@ -6,9 +6,7 @@ from lib.make import *
 version("0.3.3")
 description("small implementation of gettext and libintl")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/sabotage-linux/gettext-tiny/releases/download/v0.3.3/gettext-tiny-0.3.3.tar.xz"
-)
+source_managed("github://sabotage-linux/gettext-tiny#v0.3.3")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/glslang/pkgbuild.py b/packages/glslang/pkgbuild.py
index 767064c..aa42829 100644
--- a/packages/glslang/pkgbuild.py
+++ b/packages/glslang/pkgbuild.py
@@ -8,7 +8,7 @@ from lib import cpp, arch
 version("16.5.0")
 description("Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/KhronosGroup/glslang/archive/refs/tags/16.5.0.tar.gz")
+source_managed("github://KhronosGroup/glslang#16.5.0")
 
 builddep("shortcut/cmake")
 builddep("shortcut/c++")
diff --git a/packages/graphite/pkgbuild.py b/packages/graphite/pkgbuild.py
index 977f31f..f1e8c90 100644
--- a/packages/graphite/pkgbuild.py
+++ b/packages/graphite/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("1.3.15")
 description("Graphite is a \"smart font\" system developed specifically to handle the complexities of lesser-known languages of the world.")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/silnrsi/graphite/releases/download/1.3.15/graphite2-1.3.15.tgz")
+source_managed("github://silnrsi/graphite#1.3.15")
 
 builddep("shortcut/c++")
 builddep("shortcut/cmake")
diff --git a/packages/grep/pkgbuild.py b/packages/grep/pkgbuild.py
index 7e2b8d4..63016bb 100644
--- a/packages/grep/pkgbuild.py
+++ b/packages/grep/pkgbuild.py
@@ -5,13 +5,13 @@ from lib.make import *
 version("15.1.3")
 description("SemiOS file pattern searcher")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/grep/archive/v15.1.3.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/grep#v15.1.3")
 
 builddep("shortcut/c")
-builddep(f"libpcre2-dev @{arch.get_target()}")
+builddep("libpcre2-dev @target")
 builddep("pcre2-tools")
-builddep(f"libbzip2-dev @{arch.get_target()}")
-builddep(f"libz-ng-dev @{arch.get_target()}")
+builddep("libbzip2-dev @target")
+builddep("libz-ng-dev @target")
 
 
 def build():
diff --git a/packages/htop/pkgbuild.py b/packages/htop/pkgbuild.py
index 3129e7a..c3f8a49 100644
--- a/packages/htop/pkgbuild.py
+++ b/packages/htop/pkgbuild.py
@@ -5,7 +5,7 @@ from lib import cpp
 version("3.5.2")
 description("an interactive process viewer")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/htop-dev/htop/releases/download/3.5.2/htop-3.5.2.tar.xz")
+source_managed("github://htop-dev/htop#3.5.2", "autotools")
 
 builddep("shortcut/autotools")
 builddep("shortcut/c")
diff --git a/packages/init-scripts/pkgbuild.py b/packages/init-scripts/pkgbuild.py
index 5dc1c9b..0d62b63 100644
--- a/packages/init-scripts/pkgbuild.py
+++ b/packages/init-scripts/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("0.1.0-alpha.1")
 description("SemiOS init scripts")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/init-scripts/archive/0.1.0-alpha.1.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/init-scripts#0.1.0-alpha.1")
 
 
 def build():
diff --git a/packages/kmod/pkgbuild.py b/packages/kmod/pkgbuild.py
index e9457ae..a834471 100644
--- a/packages/kmod/pkgbuild.py
+++ b/packages/kmod/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("1.34")
 description("a set of tools to handle common tasks with Linux kernel modules like insert, remove, list, check properties, resolve dependencies and aliases")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/kmod-project/kmod/archive/refs/tags/v34.tar.gz")
+source_managed("github://kmod-project/kmod#v34")
 
 builddep("shortcut/c")
 builddep("shortcut/meson")
diff --git a/packages/libarchive/pkgbuild.py b/packages/libarchive/pkgbuild.py
index b319c5a..5bbd401 100644
--- a/packages/libarchive/pkgbuild.py
+++ b/packages/libarchive/pkgbuild.py
@@ -4,9 +4,7 @@ from lib.make import *
 version("3.8.9")
 description("Multi-format archive and compression library")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/libarchive/libarchive/releases/download/v3.8.9/libarchive-3.8.9.tar.gz"
-)
+source_managed("github://libarchive/libarchive#v3.8.9", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/libffi/pkgbuild.py b/packages/libffi/pkgbuild.py
index 8b18024..d42884f 100644
--- a/packages/libffi/pkgbuild.py
+++ b/packages/libffi/pkgbuild.py
@@ -4,9 +4,7 @@ from lib.make import *
 version("3.7.1")
 description("A portable foreign-function interface library")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/libffi/libffi/releases/download/v3.7.1/libffi-3.7.1.tar.gz"
-)
+source_managed("github://libffi/libffi#v3.7.1", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/libgcc-compat/pkgbuild.py b/packages/libgcc-compat/pkgbuild.py
index 1805e62..6fc7b3b 100644
--- a/packages/libgcc-compat/pkgbuild.py
+++ b/packages/libgcc-compat/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("0.2.0")
 description("provides compatibility objects to gcc runtime libraries")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/libgcc-compat/archive/v0.2.0.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/libgcc-compat#v0.2.0")
 
 builddep("shortcut/c")
 builddep(f"libunwind-dev @{arch.get_target()}")
diff --git a/packages/libnl/pkgbuild.py b/packages/libnl/pkgbuild.py
index f940198..6b10ba5 100644
--- a/packages/libnl/pkgbuild.py
+++ b/packages/libnl/pkgbuild.py
@@ -6,6 +6,8 @@ from lib.make import *
 upstream_version = "3.2.25"
 
 version(upstream_version)
+description("Netlink protocol library suite")
+maintainer("sisungo <sisungo@icloud.com>")
 source_url("https://www.infradead.org/~tgr/libnl/files/libnl-3.2.25.tar.gz")
 
 builddep("shortcut/c")
diff --git a/packages/libpng/pkgbuild.py b/packages/libpng/pkgbuild.py
index 655320c..3f9035a 100644
--- a/packages/libpng/pkgbuild.py
+++ b/packages/libpng/pkgbuild.py
@@ -5,7 +5,7 @@ from lib.make import *
 version("1.6.58")
 description("the official PNG reference library")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/pnggroup/libpng/archive/refs/tags/v1.6.58.tar.gz")
+source_managed("github://pnggroup/libpng#v1.6.58", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/libpsl/pkgbuild.py b/packages/libpsl/pkgbuild.py
index dfaa5e2..3f3f7a9 100644
--- a/packages/libpsl/pkgbuild.py
+++ b/packages/libpsl/pkgbuild.py
@@ -4,9 +4,7 @@ from lib.make import *
 version("0.23.1")
 description("C library for the Public Suffix List")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/rockdaboot/libpsl/releases/download/0.23.1/libpsl-0.23.1.tar.gz"
-)
+source_managed("github://rockdaboot/libpsl#0.23.1", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/libva/pkgbuild.py b/packages/libva/pkgbuild.py
index 75b366f..11343ad 100644
--- a/packages/libva/pkgbuild.py
+++ b/packages/libva/pkgbuild.py
@@ -5,7 +5,7 @@ from lib import cpp, arch
 version("2.24.1")
 description("an implementation for VA-API")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/intel/libva/releases/download/2.24.1/libva-2.24.1.tar.bz2")
+source_managed("github://intel/libva#2.24.1", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/libwacom/pkgbuild.py b/packages/libwacom/pkgbuild.py
index b80c9a8..15c47da 100644
--- a/packages/libwacom/pkgbuild.py
+++ b/packages/libwacom/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("2.19.1")
 description("libwacom is a tablet description library")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/linuxwacom/libwacom/releases/download/libwacom-2.19.1/libwacom-2.19.1.tar.xz")
+source_managed("github://linuxwacom/libwacom#libwacom-2.19.1")
 
 builddep("shortcut/c")
 builddep("shortcut/meson")
diff --git a/packages/libwebp/pkgbuild.py b/packages/libwebp/pkgbuild.py
index ef65388..b18c6aa 100644
--- a/packages/libwebp/pkgbuild.py
+++ b/packages/libwebp/pkgbuild.py
@@ -8,7 +8,7 @@ from lib import cpp
 version("1.6.0")
 description("a library to encode and decode images in WebP format")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/webmproject/libwebp/archive/refs/tags/v1.6.0.tar.gz")
+source_managed("github://webmproject/libwebp#v1.6.0")
 
 builddep("shortcut/c")
 builddep("shortcut/cmake")
diff --git a/packages/linenoise/pkgbuild.py b/packages/linenoise/pkgbuild.py
index ea8a43a..d436cdd 100644
--- a/packages/linenoise/pkgbuild.py
+++ b/packages/linenoise/pkgbuild.py
@@ -3,7 +3,7 @@ from lib.make import *
 version("2.0")
 description("A small self-contained alternative to readline and libedit")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/antirez/linenoise/archive/refs/tags/2.0.tar.gz")
+source_managed("github://antirez/linenoise#2.0")
 
 on_build(lambda: None)
 
diff --git a/packages/lxdeviced/pkgbuild.py b/packages/lxdeviced/pkgbuild.py
index d49c1b2..3a746db 100644
--- a/packages/lxdeviced/pkgbuild.py
+++ b/packages/lxdeviced/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("0.1.0-alpha.2")
 description("Linux device userspace daemon.")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/lxdeviced/archive/0.1.0-alpha.2.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/lxdeviced#0.1.0-alpha.2", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/meson/pkgbuild.py b/packages/meson/pkgbuild.py
index d9969c6..224e8f1 100644
--- a/packages/meson/pkgbuild.py
+++ b/packages/meson/pkgbuild.py
@@ -6,7 +6,7 @@ from lib.make import *
 version("1.12.0")
 description("The Meson Build System")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/mesonbuild/meson/releases/download/1.12.0/meson-1.12.0.tar.gz")
+source_managed("github://mesonbuild/meson#1.12.0")
 
 builddep("python")
 
diff --git a/packages/mksh/pkgbuild.py b/packages/mksh/pkgbuild.py
index b6b2d70..90bcf6e 100644
--- a/packages/mksh/pkgbuild.py
+++ b/packages/mksh/pkgbuild.py
@@ -5,9 +5,7 @@ from lib.make import *
 version("1.59.2")
 description("the MirBSD Korn Shell, a minimal and useful implementation of the POSIX shell with extensions")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/mirabilos/mksh-cvs2git/archive/refs/tags/mksh-R59c.tar.gz"
-)
+source_managed("github://mirabilos/mksh-cvs2git#mksh-R59c")
 
 builddep("shortcut/c")
 builddep("gnu-sed")
diff --git a/packages/neatvi/pkgbuild.py b/packages/neatvi/pkgbuild.py
index 0c8b4ab..7a86e71 100644
--- a/packages/neatvi/pkgbuild.py
+++ b/packages/neatvi/pkgbuild.py
@@ -6,7 +6,7 @@ from lib.make import *
 version("19")
 description("A vi/ex editor for editing UTF-8 text")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/aligrudi/neatvi/archive/refs/tags/19.tar.gz")
+source_managed("github://aligrudi/neatvi#19")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/nextvi/pkgbuild.py b/packages/nextvi/pkgbuild.py
index 319dcc7..125bf93 100644
--- a/packages/nextvi/pkgbuild.py
+++ b/packages/nextvi/pkgbuild.py
@@ -7,7 +7,7 @@ from lib.make import *
 version("5.3")
 description("A small vi/ex terminal text editor (neatvi rewrite)")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/kyx0r/nextvi/archive/refs/tags/5.3.tar.gz")
+source_managed("github://kyx0r/nextvi#5.3")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/nghttp2/pkgbuild.py b/packages/nghttp2/pkgbuild.py
index ffd0fab..ab59f85 100644
--- a/packages/nghttp2/pkgbuild.py
+++ b/packages/nghttp2/pkgbuild.py
@@ -5,9 +5,7 @@ from lib.make import *
 version("1.70.0")
 description("nghttp2 - HTTP/2 C Library and tools")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/nghttp2/nghttp2/releases/download/v1.70.0/nghttp2-1.70.0.tar.gz"
-)
+source_managed("github://nghttp2/nghttp2#v1.70.0")
 
 builddep("shortcut/c++")
 builddep("shortcut/cmake")
diff --git a/packages/ninja/pkgbuild.py b/packages/ninja/pkgbuild.py
index 0e5f09b..fee2c2e 100644
--- a/packages/ninja/pkgbuild.py
+++ b/packages/ninja/pkgbuild.py
@@ -5,7 +5,7 @@ from lib.make import *
 version("1.13.2")
 description("a small build system with a focus on speed")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/ninja-build/ninja/archive/refs/tags/v1.13.2.tar.gz")
+source_managed("github://ninja-build/ninja#v1.13.2")
 
 builddep("shortcut/c++")
 builddep("sed")
diff --git a/packages/packie/pkgbuild.py b/packages/packie/pkgbuild.py
index 8c53ebb..0cfa556 100644
--- a/packages/packie/pkgbuild.py
+++ b/packages/packie/pkgbuild.py
@@ -5,7 +5,7 @@ from lib.make import *
 version("0.1.0-alpha.1")
 description("SemiOS package manager")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/packie/archive/0.1.0-alpha.1.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/packie#0.1.0-alpha.1", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/pcre2/pkgbuild.py b/packages/pcre2/pkgbuild.py
index 3456e9f..4eaf55a 100644
--- a/packages/pcre2/pkgbuild.py
+++ b/packages/pcre2/pkgbuild.py
@@ -4,9 +4,7 @@ from lib.make import *
 version("10.47")
 description("a set of C functions that implement regular expression pattern matching")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/PCRE2Project/pcre2/releases/download/pcre2-10.47/pcre2-10.47.tar.gz"
-)
+source_managed("github://PCRE2Project/pcre2#pcre2-10.47", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/rhash/pkgbuild.py b/packages/rhash/pkgbuild.py
index 957ee13..44be096 100644
--- a/packages/rhash/pkgbuild.py
+++ b/packages/rhash/pkgbuild.py
@@ -8,7 +8,7 @@ upstream_version = "1.4.6"
 version(upstream_version)
 description("Great utility for computing hash sums")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/rhash/RHash/archive/refs/tags/v1.4.6.tar.gz")
+source_managed("github://rhash/RHash#v1.4.6", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/ripgrep/pkgbuild.py b/packages/ripgrep/pkgbuild.py
index 6e8d09d..e680685 100644
--- a/packages/ripgrep/pkgbuild.py
+++ b/packages/ripgrep/pkgbuild.py
@@ -4,7 +4,7 @@ from lib.make import *
 version("15.2.0")
 description("ripgrep recursively searches directories for a regex pattern while respecting your gitignore")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/BurntSushi/ripgrep/archive/refs/tags/15.2.0.tar.gz")
+source_managed("github://BurntSushi/ripgrep#15.2.0", "rust")
 
 builddep("shortcut/rust")
 
diff --git a/packages/sed/pkgbuild.py b/packages/sed/pkgbuild.py
index 2437af6..cbd668c 100644
--- a/packages/sed/pkgbuild.py
+++ b/packages/sed/pkgbuild.py
@@ -5,7 +5,7 @@ from lib.make import *
 version("15.1.1")
 description("SemiOS fork of the UNIX sed utility")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/sed/archive/v15.1.1.tar.gz")
+source_managed("gitea://gitea.semilabs.org/semios/sed#v15.1.1")
 
 builddep("shortcut/c")
 builddep(f"libpcre2-dev @{arch.get_target()}")
diff --git a/packages/semi-libc/pkgbuild.py b/packages/semi-libc/pkgbuild.py
index 5db9722..4d0f00e 100644
--- a/packages/semi-libc/pkgbuild.py
+++ b/packages/semi-libc/pkgbuild.py
@@ -1,11 +1,11 @@
 from lib import arch, cpp
 from lib.make import *
 
+
 version("1.2.6+1")
 description("the SemiOS fork of musl-libc, providing POSIX C standard library and system runtime")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://gitea.semilabs.org/semios/semi-libc/archive/v1.2.6-1.tar.gz")
-
+source_managed("gitea://gitea.semilabs.org/semios/semi-libc#v1.2.6-1")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/vim/pkgbuild.py b/packages/vim/pkgbuild.py
index f84afe4..0c15cfb 100644
--- a/packages/vim/pkgbuild.py
+++ b/packages/vim/pkgbuild.py
@@ -6,7 +6,7 @@ upstream_version = "9.2.782"
 version(upstream_version)
 description("vim, a greatly improved version of the good old UNIX editor Vi")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/vim/vim/archive/refs/tags/v9.2.0782.tar.gz")
+source_managed("github://vim/vim#v9.2.0782", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/xz/pkgbuild.py b/packages/xz/pkgbuild.py
index 472197b..a9f7ad1 100644
--- a/packages/xz/pkgbuild.py
+++ b/packages/xz/pkgbuild.py
@@ -6,9 +6,7 @@ from lib.make import *
 version("5.8.3")
 description("a general-purpose LZMA data-compression library plus command-line tools")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/tukaani-project/xz/releases/download/v5.8.3/xz-5.8.3.tar.gz"
-)
+source_managed("github://tukaani-project/xz#v5.8.3", "autotools")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/packages/zlib-ng/pkgbuild.py b/packages/zlib-ng/pkgbuild.py
index e4bc7a7..d004264 100644
--- a/packages/zlib-ng/pkgbuild.py
+++ b/packages/zlib-ng/pkgbuild.py
@@ -6,7 +6,7 @@ from lib.make import *
 version("2.3.3")
 description("zlib replacement with optimizations for next generation systems")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url("https://github.com/zlib-ng/zlib-ng/archive/refs/tags/2.3.3.tar.gz")
+source_managed("github://zlib-ng/zlib-ng#2.3.3")
 
 builddep("shortcut/c++")
 
diff --git a/packages/zstd/pkgbuild.py b/packages/zstd/pkgbuild.py
index 1a75069..f9aa4ab 100644
--- a/packages/zstd/pkgbuild.py
+++ b/packages/zstd/pkgbuild.py
@@ -7,9 +7,7 @@ from lib.make import *
 version("1.5.7")
 description("Zstandard - Fast real-time compression algorithm")
 maintainer("sisungo <sisungo@icloud.com>")
-source_url(
-    "https://github.com/facebook/zstd/releases/download/v1.5.7/zstd-1.5.7.tar.gz"
-)
+source_managed("github://facebook/zstd#v1.5.7")
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
diff --git a/x.py b/x.py
index 19cbcc6..d313a81 100644
--- a/x.py
+++ b/x.py
@@ -6,12 +6,7 @@ import sys
 import typing
 
 import hooks
-import lib.arch
-import lib.atombuild
-import lib.make
-import lib.packie
-import lib.pkgcomposer
-import lib.sources
+import lib
 
 os.chdir(os.path.dirname(__file__))
 sys.path.append(os.path.abspath("lib"))
@@ -35,6 +30,9 @@ parser_list.add_argument("ITEM", choices=("all", "built", "new"))
 parser_repo_push = subparsers.add_parser("repo-push")
 parser_repo_push.add_argument("REPO_DIR")
 parser_repo_push.add_argument("REPO_PUSH_PKGNAME", nargs="*")
+parser_vendor_src = subparsers.add_parser("vendor-src")
+parser_vendor_src.add_argument("REPO_DIR")
+parser_vendor_src.add_argument("VENDOR_PKGNAME")
 args = argparser.parse_args()
 
 if args.target:
@@ -43,6 +41,22 @@ else:
     lib.arch.set_target(lib.arch.get_target())
 
 
+def load_pkgbuild(pkgname):
+    # Declare necessary paths
+    repo_root = os.getcwd()
+    package_dir = f"{repo_root}/packages/{pkgname}"
+    target_dir = f"{package_dir}/target"
+
+    try:
+        os.chdir(package_dir)
+        os.makedirs(target_dir, exist_ok=True)
+    except Exception:
+        print(f"No such package {pkgname}")
+        exit(1)
+    importlib.import_module(f"packages.{pkgname}.pkgbuild")
+    os.chdir(repo_root)
+
+
 def run_hooks(map, arg: typing.Any = None):
     current_dir = os.getcwd()
     for n in map.keys():
@@ -190,15 +204,8 @@ def cmd_build_atom(pkgname: str):
     build_env_root = f"{target_dir}/atombuild_root"
 
     # Read `pkgbuild.py` of that package
-    lib.make._in_atombuild = True
-    try:
-        os.chdir(package_dir)
-        os.makedirs(target_dir, exist_ok=True)
-    except Exception:
-        print(f"No such package {pkgname}")
-        exit(1)
-    importlib.import_module(f"packages.{pkgname}.pkgbuild")
-    os.chdir(repo_root)
+    lib.make._dry_run = True
+    load_pkgbuild(pkgname)
 
     # Initialize build environment
     lib.atombuild.prepare_build_env(build_env_root, lib.make._builddep)
@@ -238,6 +245,24 @@ def cmd_repo_push(repo_dir: str, pkgname: list[str]):
                 print(f"error: failed to add '{pkg}': see the output above")
 
 
+def cmd_vendor_src(repo_dir, pkgname):
+    package_dir = f"{os.getcwd()}/packages/{pkgname}"
+    target_dir = f"{package_dir}/target"
+    lib.make._dry_run = True
+    load_pkgbuild(pkgname)
+    if lib.make._managed_source_url is None:
+        print(f"error: '{pkgname}' declared not managed sources")
+        exit(1)
+    os.chdir(package_dir)
+    from_path = lib.managed_source.create_srcpkg(
+        lib.make._managed_source_url,
+        lib.make._managed_source_postprocess,
+    )
+    filename = lib.managed_source.get_repo_filename(lib.make._managed_source_url)
+    to_path = f"{repo_dir}/{filename}"
+    shutil.copy2(from_path, to_path)
+
+
 if args.subcommand == "build":
     if args.atombuild:
         cmd_build_atom(args.BUILD_PKGNAME)
@@ -253,6 +278,8 @@ elif args.subcommand == "list":
     cmd_list(args.ITEM)
 elif args.subcommand == "repo-push":
     cmd_repo_push(args.REPO_DIR, args.REPO_PUSH_PKGNAME)
+elif args.subcommand == "vendor-src":
+    cmd_vendor_src(args.REPO_DIR, args.VENDOR_PKGNAME)
 else:
     print("error: no action specified", file=sys.stderr)
     exit(1)