postinst is in openjdk-9-jre 9~b114-0ubuntu1.
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 | #!/bin/sh
set -e
multiarch=x86_64-linux-gnu
priority=1091
basedir=/usr/lib/jvm/java-9-openjdk-amd64
mandir=$basedir/man
srcext=1.gz
dstext=1.gz
jre_tools=''
case "$1" in
configure)
if [ -z "$2" ]; then
update_alternatives=y
fi
if [ -n "$multiarch" ] && [ -n "$2" ]; then
for i in $jre_tools; do
if [ -z "$(update-alternatives --list $i 2>/dev/null | grep ^$basedir/)" ]; then
update_alternatives=y
break
fi
done
fi
if [ "$update_alternatives" != y ] && [ $priority -gt 1060 ]; then
for i in $jre_tools; do
oldp=$(update-alternatives --query java | awk -v b=$basedir '/^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" != $(dpkg --print-architecture) ]; then
priority=$(expr $priority - 1)
fi
for i in $jre_tools; do
unset slave1 slave2 || true
if [ -e $mandir/man1/$i.$srcext ]; then
slave1="--slave \
/usr/share/man/man1/$i.$dstext \
$i.$dstext \
$mandir/man1/$i.$srcext"
fi
# disabled
if false && [ -e $mandir/ja/man1/$i.$srcext ]; then
slave2="--slave \
/usr/share/man/ja/man1/$i.$dstext \
${i}_ja.$dstext \
$mandir/ja/man1/$i.$srcext"
fi
update-alternatives \
--install \
/usr/bin/$i \
$i \
$basedir/bin/$i \
$priority \
$slave1 $slave2
done
fi # update alternatives
;;
esac
exit 0
|