test: Fix git hash emptiness check in postgres-head Dockerfile

pgjdbc · May 26, 2021 · 0568d07 · 0568d07
1 parent 98faa23
commit 0568d07
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docker/postgres-head/Dockerfile b/docker/postgres-head/Dockerfile
@@ -31,7 +31,7 @@ ARG GIT_SHA
 RUN mkdir -p /build/postgres \
     && git clone -b "${GIT_TAG}" --single-branch "${GIT_URL}" --depth 10 /build/postgres \
     && cd /build/postgres \
-    && [[ -z "${GIT_SHA:-}" ]] || git reset --hard "${GIT_SHA:-}"
+    && [ -z "${GIT_SHA:-}" ] || git reset --hard "${GIT_SHA:-}"
 
 # Default configure options that can be overridden with build arg
 ARG CONFIGURE_OPTS=" \