Checking if a variable already exists

jr-santos98 · jr-santos98 · commit c69a2dc7457d · 2020-07-08T19:51:56.000-03:00
Signed-off-by: Junior Santos &lt;claudio.dossantosjunior@yahoo.com.br&gt;
diff --git a/hack/release.sh b/hack/release.sh
@@ -42,8 +42,14 @@ OFFICIAL_RELEASE=${OFFICIAL_RELEASE:-false}
 # LOCAL_RELEASE indicates that containerd has been built and released
 # locally.
 LOCAL_RELEASE=${LOCAL_RELEASE:-false}
-GOOS=$(go env GOOS)
-GOARCH=$(go env GOARCH)
+if [ -z "${GOOS:-}" ]
+then
+    GOOS=$(go env GOOS)
+fi
+if [ -z "${GOARCH:-}" ]
+then
+    GOARCH=$(go env GOARCH)
+fi
 
 
 destdir=${BUILD_DIR}/release-stage
