101 lines
3.2 KiB
Bash
Executable file
101 lines
3.2 KiB
Bash
Executable file
#!/bin/bash
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# Fail on any error.
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set -e
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# Debug mode for diagnosing issues.
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# Setup first before other operations.
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debug="${2}"
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test ${debug} == "true" && set -x
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# Include library.
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script_dir="$(dirname -- "$(realpath -- "${0}")")"
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source "${script_dir}/lib.sh"
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# Directory that holds the cached packages.
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cache_dir="${1}"
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# List of the packages to use.
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input_packages="${@:3}"
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# Trim commas, excess spaces, and sort.
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normalized_packages="$(normalize_package_list "${input_packages}")"
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package_count=$(wc -w <<< "${normalized_packages}")
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log "Clean installing and caching ${package_count} package(s)."
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log_empty_line
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manifest_main=""
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log "Package list:"
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for package in ${normalized_packages}; do
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read package_name package_ver < <(get_package_name_ver "${package}")
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manifest_main="${manifest_main}${package_name}:${package_ver},"
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log "- ${package_name}:${package_ver}"
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done
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write_manifest "main" "${manifest_main}" "${cache_dir}/manifest_main.log"
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log_empty_line
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log "Updating APT package list..."
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if [[ -z "$(find -H /var/lib/apt/lists -maxdepth 0 -mmin -5)" ]]; then
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sudo apt-fast update > /dev/null
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log "done"
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else
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log "skipped (fresh within at least 5 minutes)"
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fi
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log_empty_line
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# Strictly contains the requested packages.
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manifest_main=""
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# Contains all packages including dependencies.
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manifest_all=""
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install_log_filepath="${cache_dir}/install.log"
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log "Clean installing ${package_count} packages..."
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# Zero interaction while installing or upgrading the system via apt.
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sudo DEBIAN_FRONTEND=noninteractive apt-fast --yes install ${normalized_packages} > "${install_log_filepath}"
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log "done"
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log "Installation log written to ${install_log_filepath}"
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log_empty_line
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installed_packages=$(get_installed_packages "${install_log_filepath}")
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log "Installed package list:"
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for installed_package in ${installed_packages}; do
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log "- ${installed_package}"
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done
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log_empty_line
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installed_package_count=$(wc -w <<< "${installed_packages}")
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log "Caching ${installed_package_count} installed packages..."
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for installed_package in ${installed_packages}; do
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cache_filepath="${cache_dir}/${installed_package}.tar"
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# Sanity test in case APT enumerates duplicates.
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if test ! -f "${cache_filepath}"; then
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read installed_package_name installed_package_ver < <(get_package_name_ver "${installed_package}")
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log " * Caching ${installed_package_name} to ${cache_filepath}..."
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# Pipe all package files (no folders) and installation control data to Tar.
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{ dpkg -L "${installed_package_name}" \
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& get_install_filepath "" "${package_name}" "preinst" \
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& get_install_filepath "" "${package_name}" "postinst"; } |
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while IFS= read -r f; do test -f "${f}" -o -L "${f}" && get_tar_relpath "${f}"; done |
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xargs -I {} echo \"{}\" |
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sudo xargs tar -cf "${cache_filepath}" -C /
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log " done (compressed size $(du -h "${cache_filepath}" | cut -f1))."
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fi
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# Comma delimited name:ver pairs in the all packages manifest.
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manifest_all="${manifest_all}${installed_package_name}:${installed_package_ver},"
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done
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log "done (total cache size $(du -h ${cache_dir} | tail -1 | awk '{print $1}'))"
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log_empty_line
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write_manifest "all" "${manifest_all}" "${cache_dir}/manifest_all.log"
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