hsqlhsqldb.postinstall

hsql是很有名的嵌入式数据库

# Bourne shell Solaris packaging script (no interpreter line on purpose)

# $Id: HSQLhsqldb.postinstall,v 1.2 2002/10/26 05:43:31 unsaved Exp $

# N.b.  If $BASEDIR/hsqldb exists before installing this package, this
# stuff will set up for that to be the default hsqldb home.  The 
# newly installed hsqldb branch will be a non-default baseline.

# Do not set path.  Pkgadd sets a safe path, it does not use any inherited path

#set -x

Failout() {
    echo "Aborting.  $@" 1>&2
    exit 1
}

safecd() {
    # Failure of the built-in "cd" command can completely kill the shell,
    # thereby aborting this script with no error-handling at all.
    # Therefore, we need to try to see if the cd will work first.
    `cd "$@"` || return $?
    cd "$@"
}

BASE=hsqldb-1.7.1
LIBJAR=
JVER=`java -version 2>&1 |
 grep -i '\<java version\>' | sed -e 's:[^"]*"::; s:\".*::;'`
case "$JVER" in
    1.4.*) LIBJAR=hsqldb_jre1_4_0.jar ;;
    1.2.*|*JDK_1.2.*|1.3.*) LIBJAR=hsqldb_jre1_3_1.jar ;;
    1.1.*) LIBJAR=hsqldb_jre1_1_8.jar ;;
    *) echo 'Failed to find a supported version of Java.
You MUST edit /etc/hsqldb.conf and add an entry for $JAVA_HOME; and create 
a sym link '$BASEDIR/$BASE'/lib/hssqldb.jar pointing 
to the appropriate hsqldb*.jar in that directory.' 1>&2;;
esac

LINK=$BASEDIR/hsqldb
[ -L $LINK ] && {
    rm $LINK || Failout "Failed to remove link $LINK"
}
safecd $BASEDIR 2> /dev/null || Failout "Failed to cd to '$BASEDIR'"
# Existence tests do not work with Solaris Bourne (bullshit if you ask me).
# Since this is run by root, every existing fs node is readable.
[ -r hsqldb ] || {
    ln -s $BASE hsqldb || Failout "Failed to create sym link '$LINK'"
}

[ -f $BASEDIR/$BASE/data/db1/server.properties ] ||  {
 > $BASEDIR/$BASE/data/db1/server.properties ||
 Failout "Failed to touch '$BASEDIR/$BASE/data/db1/server.properties'"
}

# Assertions.  If these fail, then the following usermod will fail.
[ -x /etc/hsqldb.shell ] ||
 Failout 'Postscript assertion failed for hsqldb.shell'
[ -d $LINK ] ||
 Failout "Postscript assertion failed.  '$LINK' is not a directory."

[ -L $BASEDIR/$BASE/lib/hsqldb.jar ] && {
    rm $BASEDIR/$BASE/lib/hsqldb.jar ||
     Failout "Failed to remove hsqldb.jar link"
}
safecd $BASEDIR/$BASE/lib 2> /dev/null ||
 Failout "Failed to cd to $BASEDIR/$BASE/lib"
[ -n "$LIBJAR" ] && {
    ln -s $LIBJAR hsqldb.jar || Failout 'Failed to create hsqldb.jar link'
}

# This method preserves perms/ownership & preserves both hard and sym links
XTMPFILE=hsqldb.expand.$$
for file in /etc/init.d/hsqldb /etc/hsqldb.shell /etc/hsqldb.conf; do
    cp $file $XTMPFILE
    sed -e "
	s:%HSQLDB_HOME%:$LINK:g;
	s:%CFGFILE%:/etc/hsqldb.conf:g;
	s:%INITSCRIPT%:/etc/init.d/hsqldb:g;
    " $XTMPFILE > $file
done
rm -f $XTMPFILE

usermod -d $LINK -s /etc/hsqldb.shell hsqldb ||
 Failout "Failed to set shell and home directory for user 'hsqldb'"

exit 0