mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
83 lines
1.3 KiB
Bash
83 lines
1.3 KiB
Bash
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#!/bin/sh
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set -e
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[ $(id -u) -eq 0 ] || {
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printf >&2 '%s requires root\n' "$0"
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exit 1
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}
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usage() {
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printf >&2 '%s: [-r release] [-m mirror] [-s]\n' "$0"
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exit 1
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}
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tmp() {
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TMP=$(mktemp -d /tmp/alpine-docker-XXXXXXXXXX)
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ROOTFS=$(mktemp -d /tmp/alpine-docker-rootfs-XXXXXXXXXX)
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trap "rm -rf $TMP $ROOTFS" EXIT TERM INT
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}
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apkv() {
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curl -s $REPO/$ARCH/APKINDEX.tar.gz | tar -Oxz |
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grep '^P:apk-tools-static$' -A1 | tail -n1 | cut -d: -f2
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}
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getapk() {
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curl -s $REPO/$ARCH/apk-tools-static-$(apkv).apk |
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tar -xz -C $TMP sbin/apk.static
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}
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mkbase() {
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$TMP/sbin/apk.static --repository $REPO --update-cache --allow-untrusted \
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--root $ROOTFS --initdb add alpine-base
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}
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conf() {
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printf '%s\n' $REPO > $ROOTFS/etc/apk/repositories
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}
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pack() {
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local id
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id=$(tar --numeric-owner -C $ROOTFS -c . | docker import - alpine:$REL)
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docker tag $id alpine:latest
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docker run -i -t alpine printf 'alpine:%s with id=%s created!\n' $REL $id
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}
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save() {
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[ $SAVE -eq 1 ] || return
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tar --numeric-owner -C $ROOTFS -c . | xz > rootfs.tar.xz
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}
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while getopts "hr:m:s" opt; do
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case $opt in
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r)
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REL=$OPTARG
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;;
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m)
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MIRROR=$OPTARG
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;;
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s)
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SAVE=1
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;;
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*)
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usage
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;;
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esac
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done
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REL=${REL:-edge}
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MIRROR=${MIRROR:-http://nl.alpinelinux.org/alpine}
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SAVE=${SAVE:-0}
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REPO=$MIRROR/$REL/main
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ARCH=$(uname -m)
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tmp
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getapk
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mkbase
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conf
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pack
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save
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