108 lines
1.7 KiB
Bash
108 lines
1.7 KiB
Bash
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#! /usr/bin/env sh
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while [ $# -gt 0 ]; do
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case "$1" in
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--dry-run)
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DRY_RUN=1
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shift
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;;
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--*)
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echo "Illegal Operation"
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;;
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esac
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done
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is_dry_run() {
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if [ -z "$DRY_RUN" ]; then
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return 1
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else
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return 0
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fi
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}
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command_exists() {
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command -v "$@" > /dev/null 2>&1
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}
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check_distro() {
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distro=""
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if [ -r /etc/os-release ]; then
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distro="$(. /etc/os-release && echo "$ID")"
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fi
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echo "$distro"
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}
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detect_debian_version() {
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version=""
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vers_num="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
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case "$vers_num" in
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12 | trixie)
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version="bookworm"
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;;
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11)
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version="bullseye"
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;;
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10)
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version="buster"
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;;
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9)
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version="stretch"
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;;
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8)
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version="jessie"
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;;
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esac
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echo "$version"
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}
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exec_command() {
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uid="$(id -u 2>/dev/null || true)"
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sh_c="sh -c"
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if [ "$uid" != 0 ]; then
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if command_exists sudo; then
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sh_c="sudo -E sh -c"
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elif command_exists su; then
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sh_c="su -c"
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else
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cat >&2 <<-'EOF'
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Error: no method for command elevation found, but thats needed for this setup script
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EOF
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exit 1
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fi
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fi
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if is_dry_run; then
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sh_c="echo"
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fi
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echo $sh_c
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}
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install_apt() {
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pre_reqs="apt-transport-https ca-certificates curl"
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apt_repo="deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] $download_url/linux/$distro $version $channel"
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(
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if ! is_dry_run; then
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set -x
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fi
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$sh_c 'apt-get update -qq >/dev/null'
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)
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}
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install() {
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sh_c="$(exec_command)"
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distro="$( check_distro )"
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version=""
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channel="stable"
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download_url="https://download.docker.com"
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case "$distro" in
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debian)
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version="$( detect_debian_version )"
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install_apt
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;;
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*)
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echo "Sorry currently only debian is supported"
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esac
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}
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install
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