Refactor helper modules for im0

1 files changed, 23 insertions, 0 deletions

diff --git a/src/lib/config.sync.source.sh b/src/lib/config.sync.source.sh
index b9362ac..68bb759 100644
--- a/src/lib/config.sync.source.sh
+++ b/src/lib/config.sync.source.sh
@@ -1,3 +1,26 @@
+resolve_sync_destinations() {
+    local -n destinations_ref="$1"; shift
+    local destinations_decl
+
+    destinations_ref=()
+
+    if ! destinations_decl=$(declare -p SYNC_DESTINATIONS 2>/dev/null); then
+        return
+    fi
+
+    case "$destinations_decl" in
+        declare\ -a*\ SYNC_DESTINATIONS=*)
+            destinations_ref=("${SYNC_DESTINATIONS[@]}")
+            ;;
+        *)
+            if [ -n "${SYNC_DESTINATIONS:-}" ]; then
+                # shellcheck disable=SC2034
+                read -r -a destinations_ref <<< "$SYNC_DESTINATIONS"
+            fi
+            ;;
+    esac
+}
+
 sync_dist() {
     local destination
     local -a rsync_args=(-av)