postinst is in icedtea-netx 1.6.2-3.1ubuntu3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | #! /bin/sh
set -e
multiarch=x86_64-linux-gnu
priority6=1061
base6dir=/usr/lib/jvm/java-6-openjdk-amd64
man6dir=$base6dir/jre/man
priority7=1060
base7dir=/usr/lib/jvm/java-7-openjdk-amd64
man7dir=$base7dir/jre/man
priority8=1081
base8dir=/usr/lib/jvm/java-8-openjdk-amd64
man8dir=$base8dir/jre/man
tools='javaws itweb-settings policyeditor'
srcext=1.gz
dstext=1.gz
case "$1" in
configure)
if [ -z "$2" ]; then
update_alternatives=y
fi
if [ -n "$multiarch" ] && [ -n "$2" ]; then
for i in $tools; do
if [ -z "$(update-alternatives --list $i 2>/dev/null | grep ^$base7dir/)" ]; then
update_alternatives=y
break
fi
done
fi
if [ "$update_alternatives" != y ] && [ $priority6 -gt 1060 ]; then
for i in $tools; do
oldp=$(update-alternatives --query java | awk -v b=$base6dir '/^Alternative:/ && $2~b {p=1} /^Priority:/ && p {print $2; exit}')
if [ -n "$oldp" ] && [ "$oldp" -le 1060 ]; then
update_alternatives=y
break
fi
done
fi
if [ "$update_alternatives" = y ]; then
if [ -n "$multiarch" ] && [ "$DPKG_MAINTSCRIPT_ARCH" != $(dpkg --print-architecture) ]; then
priority6=$(expr $priority6 - 1)
priority7=$(expr $priority7 - 1)
priority8=$(expr $priority8 - 1)
fi
if [ -f $base6dir/jre/bin/javaws ]; then
for i in $tools; do
unset slave1 || true
if [ -e $mandir/man1/$i.$srcext ]; then
slave1="--slave \
/usr/share/man/man1/$i.$dstext \
$i.$dstext \
$man6dir/man1/$i.$srcext"
fi
update-alternatives \
--install \
/usr/bin/$i \
$i \
$base6dir/jre/bin/$i \
$priority6 \
$slave1
done
fi
if false && [ -f $base7dir/jre/bin/javaws ]; then
for i in $tools; do
unset slave1 || true
if [ -e $man7dir/man1/$i.$srcext ]; then
slave1="--slave \
/usr/share/man/man1/$i.$dstext \
$i.$dstext \
$man7dir/man1/$i.$srcext"
fi
update-alternatives \
--install \
/usr/bin/$i \
$i \
$base7dir/jre/bin/$i \
$priority7 \
$slave1
# FIXME ...
# 6's priority is higher, but 6 is not installed, set it to 7
#if [ $priority6 -gt $priority7 ] && [ ! -f $base7dir/jre/bin/$i ]; then
# update-alternatives --set $i $base7dir/jre/bin/$i
#fi
# 7's priority is higher, but 7 is not installed, set it to 6
#if [ $priority7 -gt $priority6 ] && [ ! -f $base6dir/jre/bin/$i ]; then
# update-alternatives --set $i $base6dir/jre/bin/$i
#fi
done
fi
if [ -f $base8dir/jre/bin/javaws ]; then
for i in $tools; do
unset slave1 || true
if [ -e $man8dir/man1/$i.$srcext ]; then
slave1="--slave \
/usr/share/man/man1/$i.$dstext \
$i.$dstext \
$man8dir/man1/$i.$srcext"
fi
update-alternatives \
--install \
/usr/bin/$i \
$i \
$base8dir/jre/bin/$i \
$priority8 \
$slave1
update-alternatives --set $i $base8dir/jre/bin/$i
# 7's priority is higher, but 7 is not installed, set it to 8
#if [ $priority7 -gt $priority8 ] && [ ! -f $base8dir/jre/bin/$i ]; then
# update-alternatives --set $i $base8dir/jre/bin/$i
#fi
# 8's priority is higher, but 8 is not installed, set it to 7
#if [ $priority8 -gt $priority7 ] && [ ! -f $base7dir/jre/bin/$i ]; then
# update-alternatives --set $i $base7dir/jre/bin/$i
#fi
done
fi
fi # update_alternatives
esac
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