diff --git a/.github/workflows/bundle.yml b/.github/workflows/bundle.yml
index 1fc73f7..bef1150 100644
--- a/.github/workflows/bundle.yml
+++ b/.github/workflows/bundle.yml
@@ -54,6 +54,12 @@ jobs:
             tmp/*.image
             tmp/*.changes
 
+      - name: Export global environment
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.smalltalk }}-env
+          path: tmp/global-env
+
 
   test-image:
     needs: [prepare-image]
@@ -76,6 +82,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Import global environment
+        uses: actions/download-artifact@v2
+        with:
+          name: ${{ matrix.smalltalk }}-env
+          path: tmp
+
       - name: Download artifacts
         uses: actions/download-artifact@v2
         with:
@@ -120,12 +132,18 @@ jobs:
     name: 📦 Prepare bundles for ${{ matrix.smalltalk }}
     env:
       SMALLTALK_VERSION: ${{ matrix.smalltalk }}
-      SHOULD_DEPLOY: endsWith(github.ref, "squeak-trunk")
-      SHOULD_CODESIGN: env.SHOULD_DEPLOY
+      SHOULD_DEPLOY: ${{ endsWith(github.ref, 'squeak-trunk') }}
+      SHOULD_CODESIGN: ${{ endsWith(github.ref, 'squeak-trunk') }}
 
     steps:
       - uses: actions/checkout@v2
 
+      - name: Import global environment
+        uses: actions/download-artifact@v2
+        with:
+          name: ${{ matrix.smalltalk }}-env
+          path: tmp
+
       - name: Download artifacts
         uses: actions/download-artifact@v2
         with:
@@ -148,7 +166,7 @@ jobs:
           path: product/*
 
       - run: ./deploy_bundles.sh
-        if: env.SHOULD_DEPLOY
+        if: env.SHOULD_DEPLOY == 'true'
         env:
           DEPLOY_KEY: ${{ secrets.DEPLOY_KEY }}
           DEPLOY_IV: ${{ secrets.DEPLOY_IV }}
diff --git a/helpers.sh b/helpers.sh
index 71c2ead..cad0956 100644
--- a/helpers.sh
+++ b/helpers.sh
@@ -80,11 +80,20 @@ export_variable() {
   local var_value=$2
   if [[ ! -z ${GITHUB_ENV} ]]; then
     echo "${var_name}=${var_value}" >> $GITHUB_ENV
+    echo "${var_name}=${var_value}" >> $GLOBAL_ENV
   else
     print_warning "...skipping export of $var_name outside GitHub Actions..."
   fi
 }
 
+import_variables() {
+  if is_file $GLOBAL_ENV; then
+    source $GLOBAL_ENV
+  else
+    echo "No global variables to import."
+  fi
+}
+
 prepare_platform_vm() {
   case $RUNNER_OS in
     "Windows")
@@ -161,6 +170,10 @@ readonly PRODUCT_PATH="${HOME_PATH}/product"
 readonly TMP_PATH="${HOME_PATH}/tmp"
 mkdir -p "${BUILD_PATH}" "${PRODUCT_PATH}" "${TMP_PATH}"
 
+# Communicate variables beyond a single action
+readonly GLOBAL_ENV="${TMP_PATH}/global-env"
+import_variables
+
 # Assure $RUNNER_OS if not invoked from within GitHub Actions
 if [[ -z "${RUNNER_OS}" ]]; then
   case $(uname -s) in
diff --git a/prepare_bundles.sh b/prepare_bundles.sh
index e180082..2cb706e 100755
--- a/prepare_bundles.sh
+++ b/prepare_bundles.sh
@@ -31,6 +31,10 @@
 
 set -o errexit
 
+source "env_vars"
+source "helpers.sh"
+source "helpers_bundles.sh"
+
 [[ -z "${SMALLTALK_VERSION}" ]] && exit 2
 [[ -z "${SHOULD_CODESIGN}" ]] && exit 3
 
@@ -38,10 +42,6 @@ set -o errexit
 [[ -z "${SQUEAK_UPDATE}" ]] && exit 5
 [[ -z "${IMAGE_BITS}" ]] && exit 6
 
-source "env_vars"
-source "helpers.sh"
-source "helpers_bundles.sh"
-
 readonly TEMPLATE_PATH="${HOME_PATH}/templates"
 readonly AIO_TEMPLATE_PATH="${TEMPLATE_PATH}/all-in-one"
 readonly LIN_TEMPLATE_PATH="${TEMPLATE_PATH}/linux"
diff --git a/test_image.sh b/test_image.sh
index 03aba28..4785e0a 100755
--- a/test_image.sh
+++ b/test_image.sh
@@ -19,12 +19,12 @@
 
 set -o errexit
 
-[[ -z "${SMALLTALK_VERSION}" ]] && exit 2
-[[ -z "${SMALLTALK_CI_HOME}" ]] && exit 3
-
 source "env_vars"
 source "helpers.sh"
 
+[[ -z "${SMALLTALK_VERSION}" ]] && exit 2
+[[ -z "${SMALLTALK_CI_HOME}" ]] && exit 3
+
 readonly SCI_PATH="${HOME_PATH}/smalltalk-ci"
 
 test_image() {