Current build script outputs its name to stdout because of its checking argv[0]. $ ./build ./build The line is a little bit mysterious so this commit removes it.
@@ -41,4 +41,4 @@ etcd_build() {
toggle_failpoints
# don't build when sourced
-(echo "$0" | grep "/build$") && etcd_build || true
+(echo "$0" | grep "/build$" > /dev/null) && etcd_build || true