[java-policy] 73/198: - checkin missing scripts subdirectory, missing since 0.24

[Emmanuel Bourg]

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ebourg-guest pushed a commit to branch master
in repository java-policy.

commit fde3063313abc628561c5b72bd8afd72a144b405
Author: Matthias Klose <doko at debian.org>
Date:   Wed Mar 5 17:33:30 2008 +0000

    - checkin missing scripts subdirectory, missing since 0.24
---
 scripts/update-java-alternatives   | 145 +++++++++++++++++++++++++++++++++++++
 scripts/update-java-alternatives.8 |  55 ++++++++++++++
 2 files changed, 200 insertions(+)

diff --git a/scripts/update-java-alternatives b/scripts/update-java-alternatives
new file mode 100755
index 0000000..3e232b7
--- /dev/null
+++ b/scripts/update-java-alternatives
@@ -0,0 +1,145 @@
+#! /bin/bash
+
+shopt -s dotglob
+
+prog=$(basename $0)
+
+usage()
+{
+    rv=$1
+    cat >&2 <<-EOF
+	usage: $prog [--jre] [--plugin] [ -t|--test|-v|--verbose]
+	           -l|--list [<jname>]
+	           -s|--set <jname>
+	           -a|--auto
+	           -h|-?|--help
+	EOF
+    exit $rv
+}
+
+action=
+uaopts='--quiet'
+
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+      -a|--auto)
+	[ -z "$action" ] || usage 1
+	action=auto;;
+      -j|--jre)
+	jreonly=yes;;
+      --plugin)
+	pluginonly=yes;;
+      -l|--list)
+	[ -z "$action" ] || usage 1
+	action=list
+	if [ "$#" -gt 0 ]; then
+	    shift
+	    jname=$1
+	fi
+	;;
+      -s|--set)
+	[ -z "$action" ] || usage 1
+	action=set
+	shift
+	[ "$#" -gt 0 ] || usage 1
+	jname=$1
+	;;
+      -t|--test)
+	dryrun=yes
+	uaopts="$uaopts --test";;
+      -v|--verbose)
+	verbose=yes
+	uaopts="${uaopts/--quiet/}";;
+      -h|-?|--help)
+	usage 0;;
+      -*)
+	usage 1;;
+      *)
+	break;;
+    esac
+    shift
+done
+
+[ "$#" -eq 0 ] || usage 1
+[ -n "$action" ] || usage 1
+
+which='^(jre|jdk|plugin|DUMMY) '
+[ -n "$jreonly$pluginonly" ] && which=${which/jdk|/}
+[ -n "$pluginonly" ] && [ -z "$jreonly" ] && which=${which/jre|/}
+[ -z "$pluginonly" ] && [ -n "$jreonly" ] && which=${which/plugin|/}
+
+top=/usr/lib/jvm
+
+if [ -n "$jname" ]; then
+    case "$jname" in
+	/*) jdir=$jname; jname=$(basename $jdir);;
+	*)  jdir=$top/$jname
+    esac
+    if [ ! -d $jdir ]; then
+	echo >&2 "$prog: directory does not exist: $jdir"
+	exit 1
+    fi
+    if [ -f $top/.$jname.jinfo ]; then
+	jinfo=$top/.$jname.jinfo
+    elif [ -f $top/$jname.jinfo ]; then
+	jinfo=$top/$jname.jinfo
+    else
+	echo >&2 "$prog: file does not exist: $top/.$jname.jinfo"
+	exit 1
+    fi
+fi
+
+vecho()
+{
+    [ -z "$verbose" ]  || echo >&2 "$@"
+}
+
+jinfo_files=
+
+do_auto()
+{
+    vecho "resetting java alternatives"
+    awk "/$which/ {print \$2}" $top/*.jinfo | sort -u \
+	| \
+    while read name; do
+	update-alternatives $uaopts --auto $name
+    done
+}
+
+do_list()
+{
+    vecho "listing java alternatives:"
+    for i in $top/${jname:-*}.jinfo; do
+	alias=$(basename ${i%*.jinfo})
+	alias=${alias#.*}
+	prio=$(awk -F= '/priority=/ {print $2}' $i)
+	echo $alias $prio $top/$alias
+	[ -n "$verbose" ] && egrep "$which" $i
+    done
+}
+
+do_set()
+{
+    do_auto
+
+    awk "/$which/ {print}" $jinfo | sort -u \
+	| \
+    while read type name location; do
+	if [ $type = jdk -a -z "$jreonly$pluginonly" -a ! -f $location ]; then
+	    echo >&2 "$prog: jdk alternative does not exist: $location"
+	    continue
+	fi
+	if [ $type = plugin -a -z "$jreonly" -a ! -f $location ]; then
+	    echo >&2 "$prog: plugin alternative does not exist: $location"
+	    continue
+	fi
+	update-alternatives $uaopts --set $name $location
+    done
+}
+
+if [ "$action" != list ] && [ "$(id -u)" -ne 0 ]; then
+    echo >&2 "$prog: no root privileges"
+    exit 1
+fi
+
+do_$action
diff --git a/scripts/update-java-alternatives.8 b/scripts/update-java-alternatives.8
new file mode 100644
index 0000000..d6c0a99
--- /dev/null
+++ b/scripts/update-java-alternatives.8
@@ -0,0 +1,55 @@
+.TH UPDATE-JAVA-ALTERNATIVES "8" "May 2006" 
+.SH NAME
+update-java-alternatives \- update alternatives for jre/sdk installations
+.SH SYNOPSIS
+.B update-java-alternatives [--jre] [--plugin] [-t|--test|-v|--verbose]
+      -l|--list [<jname>]
+      -s|--set <jname>
+      -a|--auto
+      -h|-?|--help
+.SH DESCRIPTION
+update-java-alternatives updates all alternatives belonging to one runtime
+or development kit for the Java language.  A package does provide these
+information of it's alternatives in /usr/lib/jvm/.<jname>.jinfo.
+.SH OPTIONS
+.TP
+\fB\-l|\-\-list [<jname>]\fR
+List all installed packages (or just <jname>) providing information to set
+a bunch of java alternatives. Verbose output shows each alternative
+provided by the packages.
+.TP
+\fB\-a|\-\-auto\fR
+Switch all alternatives of registered jre/sdk installations to automatic mode.
+.TP
+\fB\-s|\-\-set <jname>\fR
+Set all alternatives of the registered jre/sdk installation to the program
+path provided by the <jname> installation.
+.TP
+\fB\-\-jre\fR
+Limit the actions to alternatives belong to a runtime environment,
+not a development kit.
+.TP
+\fB\-\-plugins\fR
+Limit the actions to alternatives providing browser plugins.
+.TP
+\fB\-h|\-\-help\fR
+Display a help message.
+.TP
+\fB\-t|\-\-test\fR
+Don't actually do anything, just say what would be done.  The implementation
+status of this option is the same as for update-alternatives (not implemented).
+.TP
+\fB\-v|\-\-verbose\fR
+Verbose output.
+
+.SH FILES
+.TP
+.I /usr/lib/jvm/.*.jinfo
+A text file describing a jre/sdk installation. Consists of some
+variables of the form <var>=<value> and a list of alternatives of the form
+jre|jdk <name> <path>.
+
+.PP
+.SH AUTHOR
+update-java-alternatives and this manual page was written by Matthias
+Klose <doko at ubuntu.com>.

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