add distro module

enables discovering and setting distro information and settings including
the correct command for install and upgrade of packages

distro/distros.csv

@@ -0,0 +1 @@
+/data/Hacking/computing/docker/uci-docker-build/core/rootfs/opt/lib/distros.csv

modules/distro.lib

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+load_distros () {
+# $BASH_SHELL_HOST/distro/distros.csv
+if [ -f "$1" ]; then
+  sed -e '$a\' "$1";
+ else 
+  sed -e '$a\' <<< $(valid_distros)  
+fi |  
+sed -e '/\s*#.*$/d' |
+sed -e '/^\s*$/d' |
+sed 's/\s*,\s*/,/g'
+}
+
+set_distro () {
+
+_distro="$(echo "$(load_distros)" | grep $(get_distro))"
+INSTALL_PKGS=$(echo $_distro | cut -d',' -f3)
+UPDATE_PKGS=$(echo $_distro | cut -d',' -f4)
+export INSTALL_PKGS
+export UPDATE_PKGS
+[ "$1" = "-v" ] && env | grep _PKGS
+}
+
+get_distro_install () {
+  set_distro
+  echo $INSTALL_PKGS
+}
+
+get_distro_update () {
+  set_distro
+  echo $UPDATE_PKGS
+}
+
+get_distro() {
+    local file=/etc/upstream-release/lsb-release
+    if [[ -f $file ]]; then
+        echo $(cat $file | tr [:upper:] [:lower:] | grep -Poi '(debian|ubuntu|red hat|centos|arch|alpine)' | uniq)
+        return 0
+    else
+        file=/etc/os-release
+        if [[ -f $file ]]; then
+        echo $(cat $file | tr [:upper:] [:lower:] | grep -Poi '(debian|ubuntu|red hat|centos|arch|alpine)' | uniq)
+        fi
+    fi
+}
+
+# get_distro_install
+
+
+valid_distros () {
+# valid distros list
+# the distro must be the name used in /etc/os-release
+# <distro>,<core image name>,<install command>,<update command>
+
+echo -e "\
+alpine,alpine, apk add --no-cache, apk update \n\
+debian,debian, apt-get install -y, apt-get update \n\
+arch, archlinux,pacman -S --noconfirm --needed, pacman -Syu \n\
+ubuntu, ubuntu, apt-get install -y, apt-get update \n\
+"
+}
+
+
+

modules/host-utils.mod

@@ -43,51 +43,3 @@ hostinfo () {
   [[ -f /etc/upstream-release/lsb-release ]] && cat /etc/upstream-release/lsb-release
 }
 
-
-# function get_distro() {
-# source /etc/os-release
-# declare distros=${@:-"arch alpine debian ubuntu"}
-# # echo $ID  $ID_LIKE
-# for distro in $distros; do
-# echo $distro $ID $ID_LIKE
-# [[ $ID =~ $distro  ]] && echo $distro && return 0
-# [[ $ID_LIKE =~ $distro ]] && echo $distro && return 0
-# done
-# return 1
-# }
-
-# function get_release() {
-
-# }
-
-get_distro() {
-    local file=/etc/upstream-release/lsb-release
-    if [[ -f $file ]]; then
-        echo $(cat $file | tr [:upper:] [:lower:] | grep -Poi '(debian|ubuntu|red hat|centos|arch|alpine)' | uniq)
-        return 0
-    else
-        file=/etc/os-release
-        if [[ -f $file ]]; then
-        echo $(cat $file | tr [:upper:] [:lower:] | grep -Poi '(debian|ubuntu|red hat|centos|arch|alpine)' | uniq)
-        fi
-    fi
-}
-
-# function get_distro() {
-# /bin/cp /etc/os-release /tmp/os-release.tmp
-# if [[ $1 == "-d" ]]; then
-# shift 1
-# # docker run -it --name get_container_os --rm --entrypoint cat $1 /etc/os-release
-# docker create --name dummy $1 > /dev/null
-# docker cp -L dummy:/etc/os-release /tmp/os-release.tmp
-# docker rm -f dummy > /dev/null
-# # docker run -it --name get_container_os --rm --entrypoint cat $1 /etc/os-release > /tmp/container-os.tmp 2> /dev/null
-# shift 1
-# fi
-# source /tmp/os-release.tmp
-# declare valid=${@:-"alpine debian ubuntu"}
-# # echo $ID  $ID_LIKE
-# [[ "${valid}" =~ $ID ]] && echo $ID && return 0
-# [[ "${valid}" =~ $ID_LIKE ]] && echo $ID_LIKE && return 0
-# return 1
-# }