Correctly package diffoscope's scripts/ directory. (Closes: #305)

MANIFEST.in

@@ -2,5 +2,4 @@ include COPYING
 include README.rst
 include CONTRIBUTING.md
 include pyproject.toml
-graft scripts
 graft tests

diffoscope/comparators/vmlinuz.py

@@ -46,7 +46,7 @@ class VmlinuzContainer(Archive):
         logger.debug("extracting vmlinuz to %s", dest_path)
 
         # Locate extract-vmlinux script
-        script = pathlib.Path(__file__).parent.parent.parent.joinpath(
+        script = pathlib.Path(__file__).parent.parent.joinpath(
             "scripts", "extract-vmlinux"
         )
         with open(dest_path, "wb") as f:

setup.py

@@ -45,6 +45,8 @@ setup(
     license="GPL-3+",
     url="https://diffoscope.org/",
     packages=find_packages(exclude=["tests", "tests.*"]),
+    package_data={"diffoscope": ["scripts/*"]},
+    include_package_data=True,
     tests_require=["pytest"],
     cmdclass={"test": PyTest},
     entry_points={