diff --git a/cd.sh b/cd.sh
index a680ed3..ef93f21 100644
--- a/cd.sh
+++ b/cd.sh
@@ -135,6 +135,7 @@ cd_set_environment_variables () {
     # common
     case "${CD_OS_ID}" in
         "${CD_OS_ALMA}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
+            CD_PM="${CD_PM_DNF}"
             CD_CMD_CLEAN="dnf clean all"
             CD_CMD_INSTALL="dnf install --assumeyes"
             CD_CMD_QUERY="rpm --query"
@@ -154,6 +155,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_TEXT="sslverify=False"
         ;;
         "${CD_OS_ALPINE}")
+            CD_PM="${CD_PM_APK}"
             CD_CMD_CLEAN="apk cache purge"
             CD_CMD_INSTALL="apk add"
             CD_CMD_QUERY="apk info"
@@ -166,6 +168,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_TEXT="--no-verify"
         ;;
         "${CD_OS_ARCH}")
+            CD_PM="${CD_PM_PACMAN}"
             CD_CMD_CLEAN="pacman --sync --clean --noconfirm"
             CD_CMD_INSTALL="pacman --sync --noconfirm"
             CD_CMD_QUERY="pacman --query"
@@ -178,6 +181,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_TEXT="SSLVerify = No"
         ;;
         "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
+            CD_PM="${CD_PM_APT}"
             CD_CMD_CLEAN="apt-get clean"
             CD_CMD_INSTALL="apt-get install --assume-yes"
             CD_CMD_QUERY="dpkg-query --show"
@@ -405,8 +409,7 @@ cd_list_working_directory () {
 }
 
 cd_set_https_verification_off () {
-    # TODO
-    if [ "${CD_CA}" -o "${CD_OS_ID}" = "${CD_OS_DEBIAN}" ] ; then
+    if [ "${CD_CA}" -o "${CD_PM}" = "${CD_PM_APT}" ] ; then
         cd_step "Set HTTPS verification off"
         cd_mkdir "$(dirname "${CD_PM_HTTPS_PATH}")"
         cd_write "${CD_PM_HTTPS_PATH}" "${CD_PM_HTTPS_TEXT}"
@@ -669,5 +672,10 @@ CD_OS_FEDORA="fedora"
 CD_OS_ROCKY="rocky"
 CD_OS_UBUNTU="ubuntu"
 
+CD_PM_APK="apk"
+CD_PM_APT="apt"
+CD_PM_DNF="dnf"
+CD_PM_PACMAN="pacman"
+
 # run
 cd_main