mirror of
https://github.com/fosslinux/live-bootstrap.git
synced 2026-03-02 01:18:08 +01:00
93 lines
2.4 KiB
Bash
Executable file
93 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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# Optional arguments: Mirrors
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download_source() {
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local distfiles=${1} url=${2} fname=${4}
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if [ "${fname}" = "_" ]; then
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echo "ERROR: ${url} must have a filename specified"
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exit 1
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fi
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local dest_path=${distfiles}/${fname}
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if ! [ -e "${dest_path}" ]; then
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echo "Downloading ${fname}"
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if [ "${mirrors_len}" -ne 0 ]; then
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local mirror_ix=$(( RANDOM % mirrors_len + 1 ))
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eval "url=\"\${mirror_$mirror_ix}/${fname}\""
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fi
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curl --fail --location "${url}" --output "${dest_path}" || true
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fi
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}
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check_source() {
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local distfiles=${1} checksum=${3} fname=${4}
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local dest_path=${distfiles}/${fname}
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echo "${checksum} ${dest_path}" | sha256sum -c
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}
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do_action() {
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local action=${1}
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shift
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local distfiles=${1}
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shift
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local type=${1}
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shift
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local url=${1}
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shift
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case $type in
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"g" | "git")
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url=${1}
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shift
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;;
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esac
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local checksum=${1}
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shift
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local fname=${1}
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# Default to basename of url if not given
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fname=${fname:-$(basename "${url}")}
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$action "${distfiles}" "${url}" "${checksum}" "${fname}"
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}
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walk_manifest_sources() {
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local action=$1
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local manifest_entry=
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local entry=
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while read -r manifest_entry || test -n "$manifest_entry"; do
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case $manifest_entry in
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'build:'*)
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entry="${manifest_entry#'build: '}"
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entry="${entry%% *}" # remove anything after step name
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[ -e "./steps/${entry}/sources" ] || continue
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while read -r line; do
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# This is intentional - we want to split out ${line} into separate arguments.
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# shellcheck disable=SC2086
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do_action $action distfiles ${line}
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done < "./steps/${entry}/sources"
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;;
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esac
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done < "./steps/manifest"
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}
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set -e
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mirrors_len=$#
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while test $# -gt 0; do
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eval "mirror_$#=$1"
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shift
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done
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cd "$(dirname "$(readlink -f "$0")")"
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mkdir -p distfiles
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# First, try to download anything missing - ignore failing mirrors
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walk_manifest_sources download_source
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# Then, check if everything has been obtained at least once
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walk_manifest_sources check_source
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