120 lines
2.8 KiB
Bash
120 lines
2.8 KiB
Bash
#!/bin/bash
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#
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# Assumptions:
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# 1) User has partitioned, formatted, and mounted partitions on /mnt
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# 2) Network is functional
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# 3) Arguments passed to the script are valid pacman targets
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# 4) A valid mirror appears in /etc/pacman.d/mirrorlist
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#
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shopt -s extglob
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m4_include(common)
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hostcache=0
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copykeyring=1
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copymirrorlist=1
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usage() {
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cat <<EOF
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usage: ${0##*/} [options] root [packages...]
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Options:
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-C <config> Use an alternate config file for pacman
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-c Use the package cache on the host, rather than the target
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-G Avoid copying the host's pacman keyring to the target
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-i Prompt for package confirmation when needed (run interactively)
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-M Avoid copying the host's mirrorlist to the target
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-h Print this help message
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pacstrap installs packages to the specified new root directory. If no packages
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are given, pacstrap defaults to the "base" group.
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EOF
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}
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if [[ -z $1 || $1 = @(-h|--help) ]]; then
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usage
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exit $(( $# ? 0 : 1 ))
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fi
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(( EUID == 0 )) || die 'This script must be run with root privileges'
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while getopts ':C:cdGiM' flag; do
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case $flag in
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C)
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pacman_config=$OPTARG
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;;
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d)
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# retired flag. does nothing.
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;;
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c)
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hostcache=1
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;;
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i)
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interactive=1
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;;
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G)
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copykeyring=0
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;;
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M)
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copymirrorlist=0
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;;
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:)
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die '%s: option requires an argument -- '\''%s'\' "${0##*/}" "$OPTARG"
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;;
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?)
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die '%s: invalid option -- '\''%s'\' "${0##*/}" "$OPTARG"
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;;
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esac
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done
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shift $(( OPTIND - 1 ))
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(( $# )) || die "No root directory specified"
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newroot=$1; shift
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pacman_args=("${@:-base}")
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if (( ! hostcache )); then
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pacman_args+=(--cachedir="$newroot/var/cache/pacman/pkg")
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fi
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if (( ! interactive )); then
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pacman_args+=(--noconfirm)
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fi
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if [[ $pacman_config ]]; then
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pacman_args+=(--config="$pacman_config")
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fi
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[[ -d $newroot ]] || die "%s is not a directory" "$newroot"
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# create obligatory directories
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msg 'Creating install root at %s' "$newroot"
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mkdir -m 0755 -p "$newroot"/var/{cache/pacman/pkg,lib/pacman,log} "$newroot"/{dev,run,etc/pacman.d}
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mkdir -m 1777 -p "$newroot"/tmp
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mkdir -m 0555 -p "$newroot"/{sys,proc}
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# mount API filesystems
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chroot_setup "$newroot" || die "failed to setup chroot %s" "$newroot"
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if (( copykeyring )); then
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# if there's a keyring on the host, copy it into the new root, unless it exists already
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if [[ -d /etc/pacman.d/gnupg && ! -d $newroot/etc/pacman.d/gnupg ]]; then
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cp -a /etc/pacman.d/gnupg "$newroot/etc/pacman.d/"
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fi
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fi
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msg 'Installing packages to %s' "$newroot"
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if ! pacman -r "$newroot" -Sy "${pacman_args[@]}"; then
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die 'Failed to install packages to new root'
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fi
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if (( copymirrorlist )); then
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# install the host's mirrorlist onto the new root
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cp -a /etc/pacman.d/mirrorlist "$newroot/etc/pacman.d/"
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fi
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# vim: et ts=2 sw=2 ft=sh:
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