source: kBuild/vendor/gnumake/2003-11-23/tests/mkshadow@ 1158

#!/bin/sh
#
# Simple script to make a "shadow" test directory, using symbolic links.
# Typically you'd put the shadow in /tmp or another local disk
#

case "$1" in
  "") echo 'Usage: mkshadow <destdir>'; exit 1 ;;
esac

dest="$1"

if [ ! -d "$dest" ]; then
  echo "Destination directory \`$dest' must exist!"
  exit 1
fi

if [ ! -f run_make_tests ]; then
  echo "The current directory doesn't appear to contain the test suite!"
  exit 1
fi

suite=`pwd | sed 's%^/tmp_mnt%%'`
name=`basename "$suite"`

files=`echo *`

set -e

mkdir "$dest/$name"
cd "$dest/$name"

ln -s "$suite" .testdir

for f in $files; do
  ln -s .testdir/$f .
done

rm -rf work

echo "Shadow test suite created in \`$dest/$name'."
exit 0