do not clean up /run/lock as /var/lock is a symlink to it according to Debian policy §9.1.4

mmdebstrap

@@ -3022,6 +3022,9 @@ sub run_cleanup() {
                 # skip the "." and ".." entries
                 next if $entry eq ".";
                 next if $entry eq "..";
+                # skip deleting /run/lock as /var/lock is a symlink to it
+                # according to Debian policy §9.1.4
+                next if $entry eq "lock";
                 debug "deleting files in /run: $entry";
                 0 == system(
                     'rm',                '--interactive=never',

tests/as-debootstrap-unshare-wrapper

@@ -34,8 +34,8 @@ rm /tmp/debian-debootstrap/var/log/dpkg.log \
 	/tmp/debian-debootstrap/var/log/alternatives.log \
 	/tmp/debian-mm/var/log/bootstrap.log
 
-# clear out /run
-rm -r /tmp/debian-debootstrap/run/*
+# clear out /run except for /run/lock
+find /tmp/debian-debootstrap/run/ -mindepth 1 -maxdepth 1 ! -name lock -print0 | xargs --no-run-if-empty -0 rm -r
 
 # debootstrap doesn't clean apt
 rm /tmp/debian-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_unstable_main_binary-{{ HOSTARCH }}_Packages \

tests/check-against-debootstrap-dist

@@ -95,8 +95,8 @@ fi
 if [ -e /tmp/debian-{{ DIST }}-mm/etc/apt/apt.conf.d/01autoremove-kernels ]; then
 	rm /tmp/debian-{{ DIST }}-mm/etc/apt/apt.conf.d/01autoremove-kernels
 fi
-# clear out /run
-rm -r /tmp/debian-{{ DIST }}-debootstrap/run/*
+# clear out /run except for /run/lock
+find /tmp/debian-{{ DIST }}-debootstrap/run/ -mindepth 1 -maxdepth 1 ! -name lock -print0 | xargs --no-run-if-empty -0 rm -r
 # debootstrap doesn't clean apt
 rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_main_binary-{{ HOSTARCH }}_Packages \
 	/tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_Release \