542e888b48
Suggested by Pierre. This makes sense since somewhere along the line, pacman or mount are going to complain.
83 lines
1.9 KiB
Bash
83 lines
1.9 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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declare newroot=/mnt
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usage() {
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cat <<EOF
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usage: ${0##*/} [options]
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Options:
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-r root Install to 'root' (default: /mnt)
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-d Allow installation to a non-mountpoint directory
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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 ':dr:' flag; do
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case $flag in
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d)
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directory=1
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;;
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r)
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newroot=$OPTARG
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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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if (( $# )); then
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packages=("$@")
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else
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packages=('base' 'base-devel')
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fi
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[[ -d $newroot ]] || die "%s is not a directory" "$newroot"
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if ! mountpoint -q "$newroot" && (( ! directory )); then
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die '%s is not a mountpoint!' "$newroot"
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fi
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# create obligatory directories
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msg 'Creating install root at %s' "$newroot"
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mkdir -p "$newroot/var/lib/pacman" "/$newroot"/{dev,proc,sys,run,tmp,etc}
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# always call umount on quit after this point
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trap 'api_fs_umount "$newroot" 2>/dev/null' EXIT
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# mount API filesystems
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api_fs_mount "$newroot" || die "failed to setup API filesystems in new root"
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msg 'Installing packages to %s' "$newroot"
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if ! pacman -r "$newroot" -Sy --noconfirm "${packages[@]}"; then
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die 'Failed to install packages to new root'
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fi
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# if there's a keyring on the host, copy it into the new root
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[[ -d /etc/pacman.d/gnupg ]] && cp -a /etc/pacman.d/gnupg "$newroot/etc/pacman.d/"
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# vim: et ts=2 sw=2 ft=sh:
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