cbuild: implement service linter

src/cbuild/hooks/post_install/199_lint_service.py

@@ -0,0 +1,29 @@
+from cbuild.core.chroot import host_path_to_chroot
+
+
+def invoke(pkg):
+    # we skip dinitcheck on base-cbuild until we're done bootstrapping
+    if pkg.stage < 2:
+        return
+
+    syspath = "etc/dinit.d"
+    userpath = "etc/dinit.d/user"
+
+    dservicepaths = []
+
+    if (dsyspath := pkg.destdir / syspath).is_dir():
+        dservicepaths.extend(dsyspath.iterdir())
+    if (duserpath := pkg.destdir / userpath).is_dir():
+        dservicepaths.extend(duserpath.iterdir())
+
+    for dservicepath in dservicepaths:
+        if dservicepath.is_dir() or dservicepath.is_symlink():
+            continue
+        cdservicepath = host_path_to_chroot(dservicepath)
+        pkg.do(
+            "dinitcheck",
+            "--user" if cdservicepath.parent.name == "user" else "--system",
+            "--services-dir",
+            cdservicepath.parent,
+            cdservicepath.name,
+        )