use bin/bash in build_rpm

Signed-off-by: Alfredo Deza <adeza@redhat.com>

diff --git a/ceph-build/build/build_rpm b/ceph-build/build/build_rpm
index 1688d7beba0fb276c13f053be16a0625b15a9877..6e6aeecf73e4487f45df99dd1ddadb778bde687d 100644 (file)
--- a/ceph-build/build/build_rpm
+++ b/ceph-build/build/build_rpm
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Run only in RPM based systems
 is_suse() {
     if hash zypper 2>/dev/null; then