add additional packages to base jammy scripts

scripts/ubuntu-jammy-from-community/06-additional-packages.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -exv
+
+# init helpers
+helpers_dir=${MONOPACKER_HELPERS_DIR:-"/etc/monopacker/scripts"}
+for h in ${helpers_dir}/*.sh; do
+    . $h;
+done
+
+# add additional packages
+
+MISC_PACKAGES=()
+# essentials
+MISC_PACKAGES+=(build-essential curl git gnupg-agent jq mercurial)
+# python things
+MISC_PACKAGES+=(python3-pip python3-certifi python3-psutil)
+# zstd packages
+MISC_PACKAGES+=(zstd python3-zstd)
+# things helpful for apt
+MISC_PACKAGES+=(apt-transport-https ca-certificates software-properties-common)
+# docker-worker needs this for unpacking lz4 images, perhaps uneeded but shouldn't hurt
+MISC_PACKAGES+=(liblz4-tool)
+# random bits
+MISC_PACKAGES+=(libhunspell-1.7-0 libhunspell-dev)
+
+retry apt-get install -y ${MISC_PACKAGES[@]}