mirror of
https://github.com/awalsh128/cache-apt-pkgs-action.git
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95 lines
2.3 KiB
Bash
Executable file
95 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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set -e
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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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# Debug mode for diagnosing issues.
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# Setup first before other operations.
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debug="${4}"
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validate_bool "${debug}" debug 1
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test ${debug} == "true" && set -x
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# Directory that holds the cached packages.
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cache_dir="${1}"
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# Version of the cache to create or load.
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version="${2}"
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# Execute post-installation script.
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execute_install_scripts="${3}"
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# Debug mode for diagnosing issues.
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debug="${4}"
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# List of the packages to use.
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input_packages="${@:5}"
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# Trim commas, excess spaces, and sort.
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packages="$(normalize_package_list "${input_packages}")"
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# Create cache directory so artifacts can be saved.
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mkdir -p ${cache_dir}
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log "Validating action arguments (version='${version}', packages='${packages}')...";
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if grep -q " " <<< "${version}"; then
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log "aborted"
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log "Version value '${version}' cannot contain spaces." >&2
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exit 2
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fi
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# Is length of string zero?
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if test -z "${packages}"; then
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log "aborted"
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log "Packages argument cannot be empty." >&2
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exit 3
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fi
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validate_bool "${execute_install_scripts}" execute_install_scripts 4
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log "done"
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log_empty_line
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versioned_packages=""
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log "Verifying packages..."
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for package in ${packages}; do
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if test ! "$(apt-cache show "${package}")"; then
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echo "aborted"
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log "Package '${package}' not found." >&2
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exit 5
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fi
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read package_name package_ver < <(get_package_name_ver "${package}")
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versioned_packages=""${versioned_packages}" "${package_name}"="${package_ver}""
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done
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log "done"
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log_empty_line
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# Abort on any failure at this point.
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set -e
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log "Creating cache key..."
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# TODO Can we prove this will happen again?
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normalized_versioned_packages="$(normalize_package_list "${versioned_packages}")"
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log "- Normalized package list is '${normalized_versioned_packages}'."
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# Forces an update in cases where an accidental breaking change was introduced
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# and a global cache reset is required.
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force_update_inc="0"
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value="${normalized_versioned_packages} @ ${version} ${force_update_inc}"
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log "- Value to hash is '${value}'."
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key="$(echo "${value}" | md5sum | cut -f1 -d' ')"
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log "- Value hashed as '${key}'."
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log "done"
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key_filepath="${cache_dir}/cache_key.md5"
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echo ${key} > ${key_filepath}
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log "Hash value written to ${key_filepath}"
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