postinst is in base-files 9.4ubuntu4.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #!/bin/sh
set -e
install_local_dir() {
if [ ! -d $1 ]; then
mkdir -p $1
fi
}
install_from_default() {
if [ ! -f $2 ]; then
cp -p /usr/share/base-files/$1 $2
fi
}
install_directory() {
if [ ! -d /$1 ]; then
mkdir /$1
chown root:$3 /$1
chmod $2 /$1
fi
}
migrate_directory() {
if [ ! -L $1 ]; then
rmdir $1
ln -s $2 $1
fi
}
update_to_current_default() {
if [ -f $2 ]; then
md5=`md5sum $2 | cut -f 1 -d " "`
if grep -q "$md5" /usr/share/base-files/$1.md5sums; then
if ! cmp -s /usr/share/base-files/$1 $2; then
cp -p /usr/share/base-files/$1 $2
echo Updating $2 to current default.
fi
fi
fi
}
if [ ! -e /etc/dpkg/origins/default ]; then
if [ -e /etc/dpkg/origins/ubuntu ]; then
ln -sf ubuntu /etc/dpkg/origins/default
fi
fi
if [ "$1" = "configure" ] && [ "$2" = "" ]; then
install_from_default nsswitch.conf /etc/nsswitch.conf
install_from_default dot.profile /root/.profile
install_from_default dot.bashrc /root/.bashrc
install_from_default profile /etc/profile
install_from_default networks /etc/networks
install_directory mnt 755 root
install_directory srv 755 root
install_directory opt 755 root
install_directory etc/opt 755 root
install_directory var/opt 755 root
install_directory media 755 root
install_directory var/mail 2775 mail
if [ ! -L /var/spool/mail ]; then
ln -s ../mail /var/spool/mail
fi
install_directory run/lock 1777 root
migrate_directory /var/run /run
migrate_directory /var/lock /run/lock
install_local_dir /usr/local
install_local_dir /usr/local/share
install_local_dir /usr/local/share/man
install_local_dir /usr/local/bin
install_local_dir /usr/local/games
install_local_dir /usr/local/lib
install_local_dir /usr/local/include
install_local_dir /usr/local/sbin
install_local_dir /usr/local/src
install_local_dir /usr/local/etc
ln -sf share/man /usr/local/man
if [ ! -f /var/log/wtmp ]; then
echo -n>/var/log/wtmp
fi
if [ ! -f /var/log/btmp ]; then
echo -n>/var/log/btmp
fi
if [ ! -f /var/log/lastlog ]; then
echo -n>/var/log/lastlog
fi
chown root:utmp /var/log/wtmp /var/log/btmp /var/log/lastlog
chmod 664 /var/log/wtmp /var/log/lastlog
chmod 660 /var/log/btmp
if [ ! -f /var/run/utmp ]; then
echo -n>/var/run/utmp
fi
chown root:utmp /var/run/utmp
chmod 664 /var/run/utmp
fi
if [ ! -d /var/lib/dpkg ]; then
mkdir -m 755 -p /var/lib/dpkg
fi
if [ ! -f /var/lib/dpkg/status ]; then
echo > /var/lib/dpkg/status
chmod 644 /var/lib/dpkg/status
fi
if [ ! -f /usr/info/dir ] && [ ! -f /usr/share/info/dir ]; then
install_from_default info.dir /usr/share/info/dir
chmod 644 /usr/share/info/dir
fi
if [ "$1" = "configure" ] && [ "$2" != "" ]; then
# If we're upgrading base-files, remove the upgrade-available flag
# maintained by update-manager, and rerun the release-upgrade check
# immediately (in the background) to update the flag.
rm -f /var/lib/update-notifier/release-upgrade-available
if [ -x /usr/lib/update-manager/check-new-release ]; then
/usr/lib/update-manager/check-new-release -q > /var/lib/update-notifier/release-upgrade-available &
fi
update_to_current_default profile /etc/profile
update_to_current_default nsswitch.conf /etc/nsswitch.conf
update_to_current_default dot.profile /root/.profile
if dpkg --compare-versions "$2" lt-nl "7.7"; then
install_directory mnt 755 root
fi
fi
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