Hello,

here are the patches to revert consequences of Debian's usrmerge:

cpio, dbus, debianutils (revert debian_rules.patch)
--- a/debian/changelog    2024-01-15 10:38:45.000000000 +0100

+++ b/debian/changelog    2024-01-16 15:22:13.000000000 +0100
@@ -1,3 +1,9 @@
+cpio (2.15+dfsg-1.1) UNRELEASED; urgency=medium
+
+  * d/postinst: Move update-alternatives to /usr too.
+
+ -- Svante Signell <svante.signell@???>  Tue, 16 Jan 2024 15:22:27 +0100
+
 cpio (2.15+dfsg-1) unstable; urgency=medium

* New upstream release
--- a/debian/postinst    2020-02-01 14:11:00.000000000 +0100

+++ b/debian/postinst    2024-01-16 15:16:31.000000000 +0100
@@ -3,7 +3,7 @@
 set -e

 if [ "$1" = configure ]; then
-    update-alternatives --install /bin/mt mt /bin/mt-gnu 10 \
+    update-alternatives --install /usr/bin/mt mt /usr/bin/mt-gnu 10 \
       --slave \
     /usr/share/man/man1/mt.1.gz mt.1.gz /usr/share/man/man1/mt-gnu.1.gz
 fi

--- a/debian/changelog    2024-01-11 12:12:45.000000000 +0100

+++ b/debian/changelog    2024-01-11 12:15:37.000000000 +0100
@@ -1,3 +1,9 @@
+dbus (1.14.10-4.1) UNRELEASED; urgency=medium
+
+  * d/control: Remove dependency on usr-is-merged.
+
+ -- Svante Signell <svante.signell@???>  Thu, 11 Jan 2024 12:16:35 +0100
+
 dbus (1.14.10-4) unstable; urgency=medium

* Move the shared library from /lib/MULTIARCH to /usr/lib/MULTIARCH
--- a/debian/control 2023-10-30 12:51:35.000000000 +0100

+++ b/debian/control    2023-10-31 14:09:30.000000000 +0100
@@ -50,7 +50,6 @@
  dbus-bin (= ${binary:Version}),
  dbus-daemon (= ${binary:Version}),
  dbus-system-bus-common (>= ${source:Version}),
- usr-is-merged (>= 38~),
  ${misc:Depends},
  ${shlibs:Depends},
 Suggests:

--- a/debian/changelog    2024-01-03 22:29:19.000000000 +0100

+++ b/debian/changelog    2024-01-11 14:22:07.000000000 +0100
@@ -1,3 +1,9 @@
+debianutils (5.16.1) UNRELEASED; urgency=medium
+
+  * Revert 5.15+nmu1: Install files into /usr.
+
+ -- Svante Signell <svante.signell@???>  Thu, 11 Jan 2024 14:22:19 +0100
+
 debianutils (5.16) unstable; urgency=medium

* Upload to unstable per request of Chris Hofstaedtler.
diff -Nru debianutils-5.14/debian/rules debianutils-5.14+nmu1/debian/rules

--- debianutils-5.14/debian/rules    2023-09-19 20:35:25.000000000 +0200
+++ debianutils-5.14+nmu1/debian/rules    2023-11-27 12:10:49.000000000 +0100
@@ -20,18 +20,13 @@
     dh $@

 execute_after_dh_auto_install:
-    $(INSTALL_DIR) $(INSTALL_LOC)/bin \
-               $(INSTALL_LOC)/sbin \
+    $(INSTALL_DIR) $(INSTALL_LOC)/usr/bin \
+               $(INSTALL_LOC)/usr/sbin \
                $(INSTALL_LOC)/usr/share/$(PACKAGE)/shells.d \
                $(INSTALL_LOC)/usr/share/$(PACKAGE)
-    mv $(INSTALL_LOC)/usr/bin/run-parts \
-       $(INSTALL_LOC)/usr/bin/tempfile \
-       $(INSTALL_LOC)/bin/
     $(INSTALL_FILE) debian/shells $(INSTALL_LOC)/usr/share/$(PACKAGE)

-ifeq ($(DEB_HOST_ARCH_OS),linux)
-    mv $(INSTALL_LOC)/usr/sbin/installkernel $(INSTALL_LOC)/sbin/
-else
+ifneq ($(DEB_HOST_ARCH_OS),linux)
     rm $(INSTALL_LOC)/usr/sbin/installkernel \
        $(INSTALL_LOC)/usr/share/man/man8/installkernel.8
 endif