Make runtests.sh be useable from anywhere.

Now you can have your current directory anywhere and call
runtests.sh with full path and it'll find the way to
nosetests and the tests directory on its own.

Most useful if you're inside the mediagoblin/ dir and can
just call "../runtests.sh".

runtests.sh

@@ -16,9 +16,19 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if [ -f ./bin/nosetests ]; then
-    echo "Using ./bin/nosetests";
-    export NOSETESTS="./bin/nosetests";
+basedir="`dirname $0`"
+# Directory to seaerch for:
+subdir="mediagoblin/tests"
+[ '!' -d "$basedir/$subdir" ] && basedir="."
+if [ '!' -d "$basedir/$subdir" ]
+then
+  echo "Could not find base directory" >&2
+  exit 1
+fi
+
+if [ -x "$basedir/bin/nosetests" ]; then
+    export NOSETESTS="$basedir/bin/nosetests";
+    echo "Using $NOSETESTS";
 elif which nosetests > /dev/null; then
     echo "Using nosetests from \$PATH";
     export NOSETESTS="nosetests";
@@ -37,20 +47,16 @@ do
   esac
 done
 
-
 CELERY_CONFIG_MODULE=mediagoblin.init.celery.from_tests
 export CELERY_CONFIG_MODULE
+echo "+ CELERY_CONFIG_MODULE=$CELERY_CONFIG_MODULE"
 
 if [ "$need_arg" = 1 ]
 then
-  dir="`dirname $0`"/mediagoblin/tests
-  [ '!' -d "$dir" ] && dir=./mediagoblin/tests
-  if [ '!' -d "$dir" ]
-  then
-    echo "Cound not find tests dir"
-    exit 1
-  fi
-  $NOSETESTS "$@" "$dir"
+  testdir="$basedir/mediagoblin/tests"
+  set -x
+  exec "$NOSETESTS" "$@" "$testdir"
 else
-  $NOSETESTS "$@"
+  set -x
+  exec "$NOSETESTS" "$@"
 fi