1 files changed, 113 insertions, 0 deletions
diff --git a/packages/linux-kernel/build-driver-realtek-r8152.py b/packages/linux-kernel/build-driver-realtek-r8152.py
new file mode 100755
index 00000000..3200bd9e
--- /dev/null
+++ b/packages/linux-kernel/build-driver-realtek-r8152.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+
+from json import loads as json_loads
+from requests import get
+from pathlib import Path
+from shutil import copy as copy_file
+from subprocess import run
+
+
+# dependency modifier
+def add_depends(package_dir: str, package_name: str, depends) -> None:
+    """Add dependencies to a package
+
+    Args:
+        package_dir (str): a directory where package sources are located
+        package_name (str): a name of package
+        depends (list[str]): a list of dependencies to add
+    """
+    depends_list: str = ', '.join(depends)
+    depends_line: str = f'misc:Depends={depends_list}\n'
+
+    substvars_file = Path(f'{package_dir}/debian/{package_name}.substvars')
+    substvars_file.write_text(depends_line)
+
+
+# copy patches
+def apply_deb_patches(package_name: str, sources_dir: str):
+    """Apply patches to sources directory
+
+    Args:
+        package_name (str): package name
+        sources_dir (str): sources dir
+    """
+    patches_dir = Path(f'patches/{package_name}')
+    if patches_dir.exists():
+        patches_list = list(patches_dir.iterdir())
+        patches_list.sort()
+        series_file = Path(f'{sources_dir}/debian/patches/series')
+        series_data = ''
+        for patch_file in patches_list:
+            print(f'Applying patch: {patch_file.name}')
+            copy_file(patch_file, f'{sources_dir}/debian/patches/')
+            if series_file.exists():
+                series_data = series_file.read_text()
+            series_data = f'{series_data}\n{patch_file.name}'
+            series_file.write_text(series_data)
+
+
+# find kernel version and source path
+defaults_file: str = Path('../../data/defaults.json').read_text()
+KERNEL_VER: str = json_loads(defaults_file).get('kernel_version')
+KERNEL_FLAVOR: str = json_loads(defaults_file).get('kernel_flavor')
+KERNEL_SRC: str = Path.cwd().as_posix() + '/linux'
+
+# define variables
+PACKAGE_NAME: str = 'vyos-drivers-realtek-r8152'
+PACKAGE_VERSION: str = '2.17.1'
+PACKAGE_DIR: str = f'{PACKAGE_NAME}-{PACKAGE_VERSION}'
+SOURCES_ARCHIVE: str = 'r8152-2.17.1.tar.bz2'
+SOURCES_URL: str = f'https://dev.packages.vyos.net/source-mirror/{SOURCES_ARCHIVE}'
+
+# download sources
+sources_archive = Path(SOURCES_ARCHIVE)
+sources_archive.write_bytes(get(SOURCES_URL).content)
+
+# prepare sources
+debmake_cmd = [
+    'debmake', '-e', 'support@vyos.io', '-f', 'VyOS Support', '-p',
+    PACKAGE_NAME, '-u', PACKAGE_VERSION, '-a', SOURCES_ARCHIVE
+]
+run(debmake_cmd)
+
+# add kernel to dependencies
+add_depends(PACKAGE_DIR, PACKAGE_NAME,
+            [f'linux-image-{KERNEL_VER}-{KERNEL_FLAVOR}'])
+
+# configure build rules
+build_rules_text: str = f'''#!/usr/bin/make -f
+# config
+export KERNELDIR := {KERNEL_SRC}
+PACKAGE_BUILD_DIR := debian/{PACKAGE_NAME}
+KVER := {KERNEL_VER}-{KERNEL_FLAVOR}
+MODULES_DIR := updates/drivers/net/usb
+
+# main packaging script based on dh7 syntax
+%:
+	dh $@  
+
+override_dh_clean:
+	dh_clean --exclude=debian/{PACKAGE_NAME}.substvars
+
+override_dh_prep:
+	dh_prep --exclude=debian/{PACKAGE_NAME}.substvars
+
+override_dh_auto_clean:
+	make clean
+
+override_dh_auto_build:
+	make modules
+
+override_dh_auto_install:
+	install -D -m 644 r8152.ko ${{PACKAGE_BUILD_DIR}}/lib/modules/${{KVER}}/${{MODULES_DIR}}/r8152.ko
+	install -D -m 644 50-usb-realtek-net.rules ${{PACKAGE_BUILD_DIR}}/etc/udev/rules.d/50-usb-realtek-net.rules
+'''
+bild_rules = Path(f'{PACKAGE_DIR}/debian/rules')
+bild_rules.write_text(build_rules_text)
+
+# apply patches
+apply_deb_patches(PACKAGE_NAME, PACKAGE_DIR)
+
+# build a package
+debuild_cmd = ['debuild']
+run(debuild_cmd, cwd=PACKAGE_DIR)