diff --git a/cd.sh b/cd.sh
index fc11d76..f37ace3 100644
--- a/cd.sh
+++ b/cd.sh
@@ -162,6 +162,16 @@ Dir::Etc::SourceParts \"\";
     cd_echo "CD_CMD_CLEAN" "CD_CMD_INSTALL" "CD_CMD_UPDATE" "CD_CMD_UPGRADE"
     cd_split
     cd_echo "CD_PM_CONF_PATH" "CD_PM_HTTPS_PATH"
+    # specific
+    case "${CD_OS_ID}" in
+        "${CD_OS_ALMA}") CD_PM_URL="https://repo.almalinux.org/almalinux" ;;
+        "${CD_OS_ALPINE}") CD_PM_URL="https://dl-cdn.alpinelinux.org/alpine" ;;
+        "${CD_OS_DEBIAN}") CD_PM_URL="http://deb.debian.org/debian" ;;
+        "${CD_OS_ROCKY}") CD_PM_URL="http://dl.rockylinux.org/\$contentdir" ;;
+        "${CD_OS_UBUNTU}") CD_PM_URL="http://archive.ubuntu.com/ubuntu" ;;
+    esac
+    cd_split
+    cd_echo "CD_PM_URL"
     # TODO python
     case "${CD_OS_ID}" in
         "${CD_OS_ALMA}")