diff --git a/cd.sh b/cd.sh
index 618fc4d..e4796f3 100644
--- a/cd.sh
+++ b/cd.sh
@@ -22,18 +22,20 @@ case "${CD_OS_NAME}" in
     ;;
 esac
 
-echo "
- 1/14 set name servers
+function split {
+    [ "${1}" ] && echo "
+${1}
 "
+}
+
+split " 1/14 set name servers"
 for server in "${CD_DNS_SERVERS[@]}" ; do
     echo "nameserver ${server}" \
     >> "${CD_DNS_FILE}" \
     || exit
 done
 
-echo "
- 2/14 configure package manager
-"
+split " 2/14 configure package manager"
 echo -n "\
 Acquire::Check-Valid-Until True;
 APT::Get::Show-Versions True;
@@ -42,9 +44,7 @@ APT::Install-Suggests False;
 Dir::Etc::SourceParts '';
 " > '/etc/apt/apt.conf.d/apt.conf' \
 || exit
-echo "
- 3/14 configure package repositories
-"
+split " 3/14 configure package repositories"
 echo -n "\
 deb https://deb.debian.org/debian bookworm main
 deb https://deb.debian.org/debian bookworm-backports main
@@ -53,67 +53,45 @@ deb https://deb.debian.org/debian-security bookworm-security main
 " > '/etc/apt/sources.list' \
 || exit
 
-echo "
- 4/14 disable package verification
-"
+split " 4/14 disable package verification"
 echo -n "\
 Acquire::https::Verify-Peer False;
 " > '/etc/apt/apt.conf.d/https' \
 || exit
-echo "
- 5/14 update package catalog
-"
+split " 5/14 update package catalog"
 apt-get update \
 || exit
-echo "
- 6/14 install CA certificates package
-"
+split " 6/14 install CA certificates package"
 apt-get install --yes 'ca-certificates' \
 || exit
-echo "
- 7/14 enable package verification
-"
+split " 7/14 enable package verification"
 rm '/etc/apt/apt.conf.d/https' \
 || exit
 
-echo "
- 8/14 update package catalog
-"
+split " 8/14 update package catalog"
 apt-get update \
 || exit
-echo "
- 9/14 upgrade packages
-"
+split " 9/14 upgrade packages"
 apt-get upgrade --yes \
 || exit
 
-echo "
-10/14 install Git
-"
+split "10/14 install Git"
 apt-get install --yes 'git' \
 || exit
 
 DIRECTORY="$(mktemp --directory)" \
 || exit
-echo "
-11/14 clone Continuous Delivery
-"
+split "11/14 clone Continuous Delivery"
 git clone \
 "${GITHUB_SERVER_URL}/${CD_REPOSITORY}" \
 "${DIRECTORY}" \
 || exit
 
-echo "
-12/14 install Python
-"
+split "12/14 install Python"
 apt-get install --yes 'python3' \
 || exit
-echo "
-13/14 clean package cache
-"
+split "13/14 clean package cache"
 apt-get clean \
 || exit
-echo "
-14/14 bootstrap
-"
+split "14/14 bootstrap"
 "${DIRECTORY}/bootstrap.sh"