diff --git a/cd-init b/cd-init
index 055622d..85c1259 100755
--- a/cd-init
+++ b/cd-init
@@ -1,9 +1,3 @@
-# packages
-
-apt-get install --yes \
-'rsync' \
-'tree' \
-
 # ssh
 
 mkdir --parents ~/.ssh
@@ -18,12 +12,9 @@ ssh-ed25519 \
 AAAAC3NzaC1lZDI1NTE5AAAAIPHCNcgHlQoiNTXfnUZYvHz9OZwYsmBCrSSV7a7Zche5
 " > ~/.ssh/known_hosts
 
-# variables
+# packages
 
-export SSH_ID='cd'
-
-export SSH_URL="\
-${SSH_ID}@$(basename ${GITHUB_SERVER_URL})\
-:\
-/${SSH_ID}/${GITHUB_REF_NAME}/${GITHUB_REPOSITORY}\
-"
+apt-get install --yes \
+'python3' \
+'rsync' \
+'tree' \
diff --git a/cd-synchronize-output b/cd-synchronize-output
index 7040829..0f975ba 100755
--- a/cd-synchronize-output
+++ b/cd-synchronize-output
@@ -1,6 +1,23 @@
-rsync \
---archive \
---delete-before \
---verbose \
-'out/' \
-"${SSH_URL}/"
+[ "${1}" ] && SYNC_SOURCE="${1}" || exit
+
+SYNC_USER='cd'
+
+[ "${GITHUB_SERVER_URL}" ] \
+&& SYNC_HOST="$(basename ${GITHUB_SERVER_URL})" || exit
+
+[ "${SYNC_USER}" ] \
+&& SYNC_ROOT="/${SYNC_USER}" || exit
+[ "${GITHUB_REF_NAME}" ] \
+&& SYNC_ROOT="${SYNC_ROOT}/${GITHUB_REF_NAME}" || exit
+[ "${GITHUB_REPOSITORY}" ] \
+&& SYNC_ROOT="${SYNC_ROOT}/${GITHUB_REPOSITORY}" || exit
+
+SYNC_TARGET="${SYNC_USER}@${SYNC_HOST}:${SYNC_ROOT}"
+[ "${2}" ] && SYNC_TARGET="${SYNC_TARGET}/${2}"
+
+#rsync \
+#--archive \
+#--delete-before \
+#--verbose \
+echo "${SYNC_SOURCE}/"
+echo "${SYNC_TARGET}/"