vstart: fix error when getting CMake variables with the same prefix

The function fails to work when there are multiple variables starts with
the same prefix. e.g.

- WITH_RBD
- WITH_RBD_RGW

Fixes: https://tracker.ceph.com/issues/43095
Signed-off-by: Kiefer Chang <kiefer.chang@suse.com>

diff --git a/src/vstart.sh b/src/vstart.sh
index a2a4e35f4c09884ff2698286d18065710d98b755..7de78b75c238d6b5cc0ccee961311dc228eeab15 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -47,7 +47,7 @@ fi
 
 get_cmake_variable() {
     local variable=$1
-    grep "$variable" CMakeCache.txt | cut -d "=" -f 2
+    grep "${variable}:" CMakeCache.txt | cut -d "=" -f 2
 }
 
 # for running out of the CMake build directory