mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-11-03 18:01:55 +01:00
320 lines
7.6 KiB
Bash
Executable File
320 lines
7.6 KiB
Bash
Executable File
#!/bin/sh
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# apk add \
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# abuild apk-tools alpine-conf busybox fakeroot syslinux xorriso
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# (for efi:) mtools grub-efi
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# FIXME: clean workdir out of unneeded sections
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# FIXME: --release: cp/mv images to REPODIR/$ARCH/releases/
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# FIXME: --update-latest: rewrite latest-releases.yaml with this build
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set -e
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# get abuild configurables
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[ -e /usr/share/abuild/functions.sh ] || (echo "abuild not found" ; exit 1)
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. /usr/share/abuild/functions.sh
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scriptdir="$(dirname "$0")"
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git=$(command -v git) || git=true
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# deduce aports directory
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[ -n "$APORTS" ] || APORTS=$(realpath "$scriptdir/../")
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[ -e "$APORTS/main/build-base" ] || die "Unable to deduce aports base checkout"
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# echo '-dirty' if git is not clean
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git_dirty() {
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[ $($git status -s -- "$scriptdir" | wc -l) -ne 0 ] && echo "-dirty"
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}
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# echo last commit hash id
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git_last_commit() {
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$git log --format=oneline -n 1 -- "$scriptdir" | awk '{print $1}'
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}
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# date of last commit
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git_last_commit_epoch() {
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$git log -1 --format=%cd --date=unix "$1" -- "$scriptdir"
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}
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set_source_date() {
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# dont error out if we're not in git
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if ! $git rev-parse --show-toplevel >/dev/null 2>&1; then
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git=true
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fi
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# set time stamp for reproducible builds
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if [ -z "$ABUILD_LAST_COMMIT" ]; then
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export ABUILD_LAST_COMMIT="$(git_last_commit)$(git_dirty)"
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fi
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if [ -z "$SOURCE_DATE_EPOCH" ] && [ "${ABUILD_LAST_COMMIT%-dirty}" = "$ABUILD_LAST_COMMIT" ]; then
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SOURCE_DATE_EPOCH=$(git_last_commit_epoch "$ABUILD_LAST_COMMIT")
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fi
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if [ -z "$SOURCE_DATE_EPOCH" ]; then
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SOURCE_DATE_EPOCH=$(date -u "+%s")
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fi
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export SOURCE_DATE_EPOCH
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}
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set_source_date
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#
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all_sections=""
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all_profiles=""
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all_checksums="sha256 sha512"
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all_arches="aarch64 armhf armv7 riscv64 x86 x86_64"
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all_dirs=""
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build_date="$(date -u +%y%m%d -d "@$SOURCE_DATE_EPOCH")"
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default_arch="$(apk --print-arch)"
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_hostkeys=""
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_simulate=""
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_checksum=""
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OUTDIR="$PWD"
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RELEASE="${build_date}"
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msg() {
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if [ -n "$quiet" ]; then return 0; fi
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local prompt="$GREEN>>>${NORMAL}"
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local name="${BLUE}mkimage${ARCH+-$ARCH}${NORMAL}"
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printf "${prompt} ${name}: %s\n" "$1" >&2
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}
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list_has() {
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local needle="$1"
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local i
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shift
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for i in $@; do
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[ "$needle" != "$i" ] || return 0
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done
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return 1
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}
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usage() {
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cat <<EOF
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$0 [--tag RELEASE] [--outdir OUTDIR] [--workdir WORKDIR]
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[--arch ARCH] [--profile PROFILE] [--hostkeys] [--simulate]
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[--repository REPO] [--extra-repository REPO] [--yaml FILE]
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$0 --help
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options:
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--arch Specify which architecture images to build
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(default: $default_arch)
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--hostkeys Copy system apk signing keys to created images
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--outdir Specify directory for the created images
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--profile Specify which profiles to build
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--repository Package repository to use for the image create
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--extra-repository Add repository to search packages from
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--simulate Don't execute commands
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--tag Build images for tag RELEASE
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--workdir Specify temporary working directory (cache)
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--yaml
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known profiles: $(echo $all_profiles | sort -u)
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EOF
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}
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# helpers
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load_plugins() {
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local f
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[ -e "$1" ] || return 0
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for f in "$1"/mkimg.*.sh; do
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[ -e "$f" ] || return 0
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break
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done
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all_profiles="$all_profiles $(sed -n -e 's/^profile_\(.*\)() {$/\1/p' $1/mkimg.*.sh)"
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all_sections="$all_sections $(sed -n -e 's/^section_\(.*\)() {$/\1/p' $1/mkimg.*.sh)"
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for f in "$1"/mkimg.*.sh; do
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. $f
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done
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}
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checksum() {
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sha1sum | cut -f 1 -d ' '
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}
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build_section() {
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local section="$1"
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local args="$@"
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local _dir="${args//[^a-zA-Z0-9]/_}"
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shift
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local args="$@"
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if [ -z "$_dir" ]; then
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_fail="yes"
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return 1
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fi
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if [ ! -e "$WORKDIR/${_dir}" ]; then
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DESTDIR="$WORKDIR/${_dir}.work"
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msg "--> $section $args"
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if [ -z "$_simulate" ]; then
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rm -rf "$DESTDIR"
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mkdir -p "$DESTDIR"
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if build_${section} "$@"; then
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mv "$DESTDIR" "$WORKDIR/${_dir}"
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_dirty="yes"
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else
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rm -rf "$DESTDIR"
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_fail="yes"
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return 1
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fi
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fi
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fi
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unset DESTDIR
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all_dirs="$all_dirs $_dir"
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_my_sections="$_my_sections $_dir"
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}
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build_profile() {
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local _id _dir _spec
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_my_sections=""
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_dirty="no"
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_fail="no"
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profile_$PROFILE
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list_has $ARCH $arch || return 0
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msg "Building $PROFILE"
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# Collect list of needed sections, and make sure they are built
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for SECTION in $all_sections; do
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section_$SECTION || return 1
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done
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[ "$_fail" = "no" ] || return 1
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# Defaults
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[ -n "$image_name" ] || image_name="alpine-${PROFILE}"
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[ -n "$output_filename" ] || output_filename="${image_name}-${RELEASE}-${ARCH}.${image_ext}"
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local output_file="${OUTDIR:-.}/$output_filename"
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# Construct final image
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local _imgid=$(echo -n $_my_sections | sort | checksum)
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DESTDIR=$WORKDIR/image-$_imgid-$ARCH-$PROFILE
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if [ "$_dirty" = "yes" -o ! -e "$DESTDIR" ]; then
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msg "Creating $output_filename"
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if [ -z "$_simulate" ]; then
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# Merge sections
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rm -rf "$DESTDIR"
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mkdir -p "$DESTDIR"
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for _dir in $_my_sections; do
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for _fn in $WORKDIR/$_dir/*; do
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[ ! -e "$_fn" ] || cp -Lrs $_fn $DESTDIR/
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done
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done
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echo "${image_name}-${RELEASE} ${build_date}" > "$DESTDIR"/.alpine-release
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fi
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fi
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if [ "$_dirty" = "yes" -o ! -e "$output_file" ]; then
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# Create image
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[ -n "$output_format" ] || output_format="${image_ext//[:\.]/}"
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create_image_${output_format} || { _fail="yes"; false; }
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if [ "$_checksum" = "yes" ]; then
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for _c in $all_checksums; do
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echo "$(${_c}sum "$output_file" | cut -d' ' -f1) ${output_filename}" > "${output_file}.${_c}"
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done
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fi
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fi
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if [ -n "$_yaml_out" ]; then
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$mkimage_yaml --release $RELEASE \
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--title "$title" \
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--desc "$desc" \
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"$output_file" >> "$_yaml_out"
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fi
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}
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# load plugins
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load_plugins "$scriptdir"
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[ -z "$HOME" ] || load_plugins "$HOME/.mkimage"
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mkimage_yaml="$(dirname $0)"/mkimage-yaml.sh
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# parse parameters
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while [ $# -gt 0 ]; do
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opt="$1"
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shift
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case "$opt" in
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--repository)
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if [ -z "$REPOS" ]; then
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REPOS="$1"
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else
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REPOS=$(printf '%s\n%s' "$REPOS" "$1");
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fi
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shift ;;
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--extra-repository) EXTRAREPOS="$EXTRAREPOS $1"; shift ;;
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--workdir) WORKDIR="$1"; shift ;;
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--outdir) OUTDIR="$1"; shift ;;
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--tag) RELEASE="$1"; shift ;;
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--arch) req_arch="$1"; shift ;;
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--profile) req_profiles="$1"; shift ;;
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--hostkeys) _hostkeys="--hostkeys";;
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--simulate) _simulate="yes";;
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--checksum) _checksum="yes";;
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--yaml) _yaml="yes";;
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--help) usage; exit 0;;
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--) break ;;
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-*) usage; exit 1;;
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esac
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done
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if [ -z "$RELEASE" ]; then
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if git describe --exact-match >/dev/null 2>&1; then
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RELEASE=$(git describe --always)
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RELEASE=${RELEASE#v}
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else
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RELEASE="${build_date}"
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fi
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fi
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# setup defaults
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if [ -z "$WORKDIR" ]; then
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WORKDIR="$(mktemp -d -t mkimage.XXXXXX)"
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trap 'rm -rf $WORKDIR' INT EXIT
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fi
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req_profiles=${req_profiles:-${all_profiles}}
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req_arch=${req_arch:-${default_arch}}
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[ "$req_arch" != "all" ] || req_arch="${all_arch}"
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[ "$req_profiles" != "all" ] || req_profiles="${all_profiles}"
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mkdir -p "$OUTDIR"
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# get abuild pubkey used to sign the apkindex
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# we need inject this to the initramfs or we will not be able to use the
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# boot repository
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if [ -z "$_hostkeys" ]; then
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_pub=${PACKAGER_PRIVKEY:+${PACKAGER_PRIVKEY}.pub}
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_abuild_pubkey="${PACKAGER_PUBKEY:-$_pub}"
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fi
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# create images
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for ARCH in $req_arch; do
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APKROOT="$WORKDIR/apkroot-$ARCH"
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if [ ! -e "$APKROOT" ]; then
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# create root for caching packages
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mkdir -p "$APKROOT/etc/apk/cache"
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cp -Pr /etc/apk/keys "$APKROOT/etc/apk/"
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apk --arch "$ARCH" --root "$APKROOT" add --initdb
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if [ -z "$REPOS" ]; then
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warning "no repository set"
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fi
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echo "$REPOS" > "$APKROOT/etc/apk/repositories"
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for repo in $EXTRAREPOS; do
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echo "$repo" >> "$APKROOT/etc/apk/repositories"
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done
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fi
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apk update --root "$APKROOT"
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if [ "$_yaml" = "yes" ]; then
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_yaml_out=${OUTDIR:-.}/latest-releases.yaml
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echo "---" > "$_yaml_out"
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fi
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for PROFILE in $req_profiles; do
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(build_profile) || exit 1
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done
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done
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echo "Images generated in $OUTDIR"
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