diff --git a/src/in b/src/in
index 0fd40f1..06db90b 100755
--- a/src/in
+++ b/src/in
@@ -16,6 +16,9 @@ if [ "$computed_version"  != "$VERSION" ]; then
 fi
 
 script="$(envsubst "$(< scripts/get_files.vars)" < "scripts/get_files.sh")"
+echo "tar c script:" >&2
+echo "$script" >&2
+
 if [ -n "$FILES" ]; then
     (
         cd "$1"
diff --git a/src/out b/src/out
index a5dc4dc..184767a 100755
--- a/src/out
+++ b/src/out
@@ -10,6 +10,8 @@ if [ -z "$FILES" ]; then
     extract=false
 fi
 script="$(EXTRACT="$extract" envsubst "$(< scripts/put_files.vars)" < scripts/put_files.sh)"
+echo "tar x script:" >&2
+echo "$script" >&2
 (
     cd "$1"
     pipe="$(tmpname)"