tests: run_python_bt2: error out if BT_TESTS_BUILDDIR does not point to a build directory

[babeltrace.git] / tests / utils / run_python_bt2

diff --git a/tests/utils/run_python_bt2 b/tests/utils/run_python_bt2
index 7147da4ae0b675bbb4d9d4ab0a82cbc24858eb0f..c016624fb99d6579273eada54d6b0b92b6ccebaf 100755 (executable)
--- a/tests/utils/run_python_bt2
+++ b/tests/utils/run_python_bt2
@@ -47,6 +47,17 @@ usage() {
 
 if [ "x$*" = "x" ]; then
        usage
-else
-       run_python_bt2 "${@}"
+       exit 1
 fi
+
+# Sanity check that the BT_TESTS_BUILDDIR value makes sense.
+if [ ! -f "$BT_TESTS_BUILDDIR/Makefile" ]; then
+       fold -w 80 -s <<- END
+       $0: BT_TESTS_BUILDDIR does not point to a valid directory (\`$BT_TESTS_BUILDDIR/Makefile\` does not exist).
+
+       If building out-of-tree, set BT_TESTS_BUILDDIR to point to the \`tests\` directory in the build tree.
+       END
+       exit 1
+fi
+
+run_python_bt2 "${@}"