Bug#1063323: libiw30t64: file loss due to /usr-move (DEP17)
Package: libiw30t64
Version: 30~pre9-16.1~exp1
Severity: serious
Tags: patch
User: helmutg@debian.org
Usertags: dep17p1
Control: affects -1 + libiw30
X-Debbugs-Cc: vorlon@debian.org
Installing libiw30t64 may cause file loss in an upgrade scenario.
Reproducer:
mmdebstrap --variant=apt --verbose bookworm /dev/null "deb http://deb.debian.org/debian bookworm main" "deb http://deb.debian.org/debian experimental main" --include=wireless-tools --chrooted-customize-hook="apt-get download libiw30t64" --chrooted-customize-hook="echo libiw30 deinstall | dpkg --set-selections" --chrooted-customize-hook="dpkg --auto-deconfigure --unpack *.deb" --chrooted-customize-hook="dpkg --configure -a" --chrooted-customize-hook="dpkg -r libiw30" --chrooted-customize-hook="! dpkg --verify | grep ."
I'm attaching a patch for your convenience. I consider that libiw30 is
not as central as other packages and hence propose employing Conflicts
here. Conflicts allow removing the protective diversion in trixie's
postinst rather than forky's postinst already.
Helmut
diff --minimal -Nru wireless-tools-30~pre9/debian/changelog wireless-tools-30~pre9/debian/changelog
--- wireless-tools-30~pre9/debian/changelog 2024-02-04 21:34:45.000000000 +0100
+++ wireless-tools-30~pre9/debian/changelog 2024-02-06 07:33:48.000000000 +0100
@@ -1,3 +1,9 @@
+wireless-tools (30~pre9-16.1~exp2) UNRELEASED; urgency=medium
+
+ * Fix /usr-move file loss. (Closes: #-1)
+
+ -- Helmut Grohne <helmut@subdivi.de> Tue, 06 Feb 2024 07:33:48 +0100
+
wireless-tools (30~pre9-16.1~exp1) experimental; urgency=medium
* Non-maintainer upload.
diff --minimal -Nru wireless-tools-30~pre9/debian/clean wireless-tools-30~pre9/debian/clean
--- wireless-tools-30~pre9/debian/clean 1970-01-01 01:00:00.000000000 +0100
+++ wireless-tools-30~pre9/debian/clean 2024-02-06 07:33:30.000000000 +0100
@@ -0,0 +1,2 @@
+debian/libiw30t64.preinst
+debian/libiw30t64.postinst
diff --minimal -Nru wireless-tools-30~pre9/debian/control wireless-tools-30~pre9/debian/control
--- wireless-tools-30~pre9/debian/control 2024-02-04 21:34:45.000000000 +0100
+++ wireless-tools-30~pre9/debian/control 2024-02-06 07:31:36.000000000 +0100
@@ -31,8 +31,7 @@
Package: libiw30t64
Provides: ${t64:Provides}
-Replaces: libiw30
-Breaks: libiw30 (<< ${source:Version})
+Conflicts: libiw30
Section: libs
Architecture: linux-any
Multi-Arch: same
diff --minimal -Nru wireless-tools-30~pre9/debian/libiw30t64.lintian-overrides wireless-tools-30~pre9/debian/libiw30t64.lintian-overrides
--- wireless-tools-30~pre9/debian/libiw30t64.lintian-overrides 2024-02-04 21:34:45.000000000 +0100
+++ wireless-tools-30~pre9/debian/libiw30t64.lintian-overrides 2024-02-06 07:33:48.000000000 +0100
@@ -1 +1,5 @@
libiw30t64: package-name-doesnt-match-sonames libiw30
+# begin-remove-after: released:trixie
+# DEP17 protective diversion
+diversion-for-unknown-file lib/x86_64-linux-gnu/libiw.so.30 [preinst:*]
+# end-remove-after
diff --minimal -Nru wireless-tools-30~pre9/debian/libiw30t64.postinst.in wireless-tools-30~pre9/debian/libiw30t64.postinst.in
--- wireless-tools-30~pre9/debian/libiw30t64.postinst.in 1970-01-01 01:00:00.000000000 +0100
+++ wireless-tools-30~pre9/debian/libiw30t64.postinst.in 2024-02-06 07:29:28.000000000 +0100
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+# begin-remove-after: released:trixie
+if [ "$1" = configure ]; then
+ dpkg-divert --package libiw30t64 --no-rename --remove --divert "/lib/#DEB_HOST_MULTIARCH#/libiw.so.30.usr-is-merged" "/lib/#DEB_HOST_MULTIARCH#/libiw.so.30"
+fi
+# end-remove-after
+
+#DEBHELPER#
+
+exit 0
diff --minimal -Nru wireless-tools-30~pre9/debian/libiw30t64.preinst.in wireless-tools-30~pre9/debian/libiw30t64.preinst.in
--- wireless-tools-30~pre9/debian/libiw30t64.preinst.in 1970-01-01 01:00:00.000000000 +0100
+++ wireless-tools-30~pre9/debian/libiw30t64.preinst.in 2024-02-06 07:29:30.000000000 +0100
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+# begin-remove-after: released:trixie
+if [ "$1" = install ]; then
+ dpkg-divert --package libiw30t64 --no-rename --add --divert "/lib/#DEB_HOST_MULTIARCH#/libiw.so.30.usr-is-merged" "/lib/#DEB_HOST_MULTIARCH#/libiw.so.30"
+fi
+# end-remove-after
+
+#DEBHELPER#
+
+exit 0
diff --minimal -Nru wireless-tools-30~pre9/debian/rules wireless-tools-30~pre9/debian/rules
--- wireless-tools-30~pre9/debian/rules 2023-11-28 01:03:11.000000000 +0100
+++ wireless-tools-30~pre9/debian/rules 2024-02-06 07:33:39.000000000 +0100
@@ -19,3 +19,8 @@
override_dh_installudev:
dh_installudev --priority=19
+
+debian/%:debian/%.in
+ sed -e 's/#DEB_HOST_MULTIARCH#/$(DEB_HOST_MULTIARCH)/g' $< > $@
+
+execute_before_dh_installdeb:debian/libiw30t64.preinst debian/libiw30t64.postinst
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