Add simple tarball / release script

Signed-off-by: Lon Hohberger <lon@users.sourceforge.net>

utils/gen-tar

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+if ! [ -d .git ]; then
+	echo "Not a git archive"
+	exit 1
+fi
+
+if [ -n "$1" ]; then
+	echo Creating a tarball with version $1
+fi
+
+_owd=`pwd`
+_cwd=`basename $_owd`
+_branch=`git branch | grep "^\*" | awk '{print $2}'`
+_archive=$_cwd-$_branch-`date +%Y-%m-%d`.tar.gz 
+
+TMPDIR=$(mktemp -d /tmp/$_cwd-XXXXXX)
+
+cd ..
+cp -a $_cwd $TMPDIR
+cd $TMPDIR
+if [ -n "$1" ]; then
+	mv $_cwd $_cwd-$1
+	_cwd="$_cwd-$1"
+	_archive=$_cwd.tar.gz
+fi
+tar --exclude .git -czvf $_archive $_cwd
+cd $_owd
+cp $TMPDIR/$_archive .
+rm -rf $TMPDIR