fixed env script

scripts/env.sh

@@ -10,9 +10,15 @@ fi
 cd ..
 
 # define variables
-[[ ! -v CI_COMMIT_SHORT_SHA ]]; CI_COMMIT_SHORT_SHA="$(git rev-parse --short HEAD)"
-[[ ! -v CI_COMMIT_REF_NAME ]]; CI_COMMIT_REF_NAME="$(git branch --show-current)"
-[[ ! -v CI_PIPELINE_IID ]]; CI_PIPELINE_IID=localbuild
+if [[ ! -v CI_COMMIT_SHORT_SHA ]]; then
+	export CI_COMMIT_SHORT_SHA="$(git rev-parse --short HEAD)"
+fi
+if [[ ! -v CI_COMMIT_REF_NAME ]]; then
+	export CI_COMMIT_REF_NAME="$(git branch --show-current)"
+fi
+if [[ ! -v CI_PIPELINE_IID ]]; then
+	export CI_PIPELINE_IID=localbuild
+fi
 DOWNLOAD_URL="https://releases.ubuntu.com/22.04/ubuntu-22.04-desktop-amd64.iso"
 BUILD_DIR="$(pwd)/build"
 ISO_EXTRACTED_DIR="$BUILD_DIR/extracted-iso"