make "run-uninstalled" not rely on to be called from topdir

run-uninstalled relies on to be called from the topdir of the project.
This patch detects the path run-uninstalled is called from, sets
bustle_datadir and calls bustle.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 5 insertions, 1 deletions

diff --git a/run-uninstalled.sh b/run-uninstalled.sh
index ea7ef6f..e1d31c0 100755
--- a/run-uninstalled.sh
+++ b/run-uninstalled.sh
@@ -1,2 +1,6 @@
 #!/bin/sh
-bustle_datadir=. ./dist/build/bustle/bustle "$@"
+
+bustle_datadir="$(dirname ${0}})"
+export bustle_datadir
+
+exec "${bustle_datadir}"/dist/build/bustle/bustle "${@}"