3
# dpkg does this for us while we are upgrading..
4
#if [ "$1" = "upgrade" -a -L /var/state/apt -a -e /var/lib/apt -a ! -L /var/state/apt ] && dpkg --compare-versions "$2" ">=" "0.4.10"; then
8
if [ "$1" = "upgrade" -o "$1" = "install" -a "$2" != "" ]; then
9
if [ ! -e /var/lib/apt -a -e /var/state/apt ]; then
10
# upgrading from /var/state/apt using apt.
11
# it's probably running now so we want to ensure /var/state/apt
12
# is still valid afterwards. and since we're upgrading
14
if [ -x /usr/bin/perl -a -d /var/state/apt -a ! -L /var/state/apt ] &&
15
perl -e 'exit 1 if ((stat("/var/lib"))[0] != (stat("/var/state/apt"))[0])'
17
# same fs, we can mv it
18
mv /var/state/apt /var/lib/apt
19
ln -s ../lib/apt /var/state/apt
20
# note that this symlink (/var/state/apt) will be removed when
21
# dpkg finishes unpacking the apt we're about to install; this is okay
23
# scary, let's just symlink it and hope
24
ln -s /var/state/apt /var/lib/apt
27
touch /var/lib/apt/lists/partial/.delete-me-later || true