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author | root <root@gocchin.haxx.dafuq> | 2021-03-16 22:01:59 -0500 |
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committer | Kyle K <kylek389@gmail.com> | 2021-03-16 22:09:49 -0500 |
commit | 986cb5df0857ec3004ebdeff0bb64e3c7cfb2cda (patch) | |
tree | d1add03ffd4975491d9dbc62fc499eff9ed3fa9d /arch-chroot | |
parent | 21b8054990354fa7e5f80bc6d68b6423f7571184 (diff) | |
download | gentoox-986cb5df0857ec3004ebdeff0bb64e3c7cfb2cda.tar.gz gentoox-986cb5df0857ec3004ebdeff0bb64e3c7cfb2cda.tar.bz2 gentoox-986cb5df0857ec3004ebdeff0bb64e3c7cfb2cda.zip |
cleanup patches in the repo
Diffstat (limited to 'arch-chroot')
-rwxr-xr-x | arch-chroot | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/arch-chroot b/arch-chroot deleted file mode 100755 index 56099ed..0000000 --- a/arch-chroot +++ /dev/null @@ -1,347 +0,0 @@ -#!/bin/bash - -shopt -s extglob - -# generated from util-linux source: libmount/src/utils.c -declare -A pseudofs_types=([anon_inodefs]=1 - [autofs]=1 - [bdev]=1 - [bpf]=1 - [binfmt_misc]=1 - [cgroup]=1 - [cgroup2]=1 - [configfs]=1 - [cpuset]=1 - [debugfs]=1 - [devfs]=1 - [devpts]=1 - [devtmpfs]=1 - [dlmfs]=1 - [efivarfs]=1 - [fuse.gvfs-fuse-daemon]=1 - [fusectl]=1 - [hugetlbfs]=1 - [mqueue]=1 - [nfsd]=1 - [none]=1 - [pipefs]=1 - [proc]=1 - [pstore]=1 - [ramfs]=1 - [rootfs]=1 - [rpc_pipefs]=1 - [securityfs]=1 - [sockfs]=1 - [spufs]=1 - [sysfs]=1 - [tmpfs]=1) - -# generated from: pkgfile -vbr '/fsck\..+' | awk -F. '{ print $NF }' | sort -declare -A fsck_types=([cramfs]=1 - [exfat]=1 - [ext2]=1 - [ext3]=1 - [ext4]=1 - [ext4dev]=1 - [jfs]=1 - [minix]=1 - [msdos]=1 - [reiserfs]=1 - [vfat]=1 - [xfs]=1) - -out() { printf "$1 $2\n" "${@:3}"; } -error() { out "==> ERROR:" "$@"; } >&2 -warning() { out "==> WARNING:" "$@"; } >&2 -msg() { out "==>" "$@"; } -msg2() { out " ->" "$@";} -die() { error "$@"; exit 1; } - -ignore_error() { - "$@" 2>/dev/null - return 0 -} - -in_array() { - local i - for i in "${@:2}"; do - [[ $1 = "$i" ]] && return 0 - done - return 1 -} - -chroot_add_mount() { - mount "$@" && CHROOT_ACTIVE_MOUNTS=("$2" "${CHROOT_ACTIVE_MOUNTS[@]}") -} - -chroot_maybe_add_mount() { - local cond=$1; shift - if eval "$cond"; then - chroot_add_mount "$@" - fi -} - -chroot_setup() { - CHROOT_ACTIVE_MOUNTS=() - [[ $(trap -p EXIT) ]] && die '(BUG): attempting to overwrite existing EXIT trap' - trap 'chroot_teardown' EXIT - - chroot_add_mount proc "$1/proc" -t proc -o nosuid,noexec,nodev && - chroot_add_mount sys "$1/sys" -t sysfs -o nosuid,noexec,nodev,ro && - ignore_error chroot_maybe_add_mount "[[ -d '$1/sys/firmware/efi/efivars' ]]" \ - efivarfs "$1/sys/firmware/efi/efivars" -t efivarfs -o nosuid,noexec,nodev && - chroot_add_mount udev "$1/dev" -t devtmpfs -o mode=0755,nosuid && - chroot_add_mount devpts "$1/dev/pts" -t devpts -o mode=0620,gid=5,nosuid,noexec && - chroot_add_mount shm "$1/dev/shm" -t tmpfs -o mode=1777,nosuid,nodev && - chroot_add_mount /run "$1/run" --bind && - chroot_add_mount tmp "$1/tmp" -t tmpfs -o mode=1777,strictatime,nodev,nosuid -} - -chroot_teardown() { - if (( ${#CHROOT_ACTIVE_MOUNTS[@]} )); then - umount "${CHROOT_ACTIVE_MOUNTS[@]}" - fi - unset CHROOT_ACTIVE_MOUNTS -} - -try_cast() ( - _=$(( $1#$2 )) -) 2>/dev/null - -valid_number_of_base() { - local base=$1 len=${#2} i= - - for (( i = 0; i < len; i++ )); do - try_cast "$base" "${2:i:1}" || return 1 - done - - return 0 -} - -mangle() { - local i= chr= out= - local {a..f}= {A..F}= - - for (( i = 0; i < ${#1}; i++ )); do - chr=${1:i:1} - case $chr in - [[:space:]\\]) - printf -v chr '%03o' "'$chr" - out+=\\ - ;; - esac - out+=$chr - done - - printf '%s' "$out" -} - -unmangle() { - local i= chr= out= len=$(( ${#1} - 4 )) - local {a..f}= {A..F}= - - for (( i = 0; i < len; i++ )); do - chr=${1:i:1} - case $chr in - \\) - if valid_number_of_base 8 "${1:i+1:3}" || - valid_number_of_base 16 "${1:i+1:3}"; then - printf -v chr '%b' "${1:i:4}" - (( i += 3 )) - fi - ;; - esac - out+=$chr - done - - printf '%s' "$out${1:i}" -} - -optstring_match_option() { - local candidate pat patterns - - IFS=, read -ra patterns <<<"$1" - for pat in "${patterns[@]}"; do - if [[ $pat = *=* ]]; then - # "key=val" will only ever match "key=val" - candidate=$2 - else - # "key" will match "key", but also "key=anyval" - candidate=${2%%=*} - fi - - [[ $pat = "$candidate" ]] && return 0 - done - - return 1 -} - -optstring_remove_option() { - local o options_ remove=$2 IFS=, - - read -ra options_ <<<"${!1}" - - for o in "${!options_[@]}"; do - optstring_match_option "$remove" "${options_[o]}" && unset 'options_[o]' - done - - declare -g "$1=${options_[*]}" -} - -optstring_normalize() { - local o options_ norm IFS=, - - read -ra options_ <<<"${!1}" - - # remove empty fields - for o in "${options_[@]}"; do - [[ $o ]] && norm+=("$o") - done - - # avoid empty strings, reset to "defaults" - declare -g "$1=${norm[*]:-defaults}" -} - -optstring_append_option() { - if ! optstring_has_option "$1" "$2"; then - declare -g "$1=${!1},$2" - fi - - optstring_normalize "$1" -} - -optstring_prepend_option() { - local options_=$1 - - if ! optstring_has_option "$1" "$2"; then - declare -g "$1=$2,${!1}" - fi - - optstring_normalize "$1" -} - -optstring_get_option() { - local opts o - - IFS=, read -ra opts <<<"${!1}" - for o in "${opts[@]}"; do - if optstring_match_option "$2" "$o"; then - declare -g "$o" - return 0 - fi - done - - return 1 -} - -optstring_has_option() { - local "${2%%=*}" - - optstring_get_option "$1" "$2" -} - -dm_name_for_devnode() { - read dm_name <"/sys/class/block/${1#/dev/}/dm/name" - if [[ $dm_name ]]; then - printf '/dev/mapper/%s' "$dm_name" - else - # don't leave the caller hanging, just print the original name - # along with the failure. - print '%s' "$1" - error 'Failed to resolve device mapper name for: %s' "$1" - fi -} - -fstype_is_pseudofs() { - (( pseudofs_types["$1"] )) -} - -fstype_has_fsck() { - (( fsck_types["$1"] )) -} - - -usage() { - cat <<EOF -usage: ${0##*/} chroot-dir [command] - - -h Print this help message - -u <user>[:group] Specify non-root user and optional group to use - -If 'command' is unspecified, ${0##*/} will launch /bin/bash. - -Note that when using arch-chroot, the target chroot directory *should* be a -mountpoint. This ensures that tools such as pacman(8) or findmnt(8) have an -accurate hierarchy of the mounted filesystems within the chroot. - -If your chroot target is not a mountpoint, you can bind mount the directory on -itself to make it a mountpoint, i.e. 'mount --bind /your/chroot /your/chroot'. - -EOF -} - -chroot_add_resolv_conf() { - local chrootdir=$1 resolv_conf=$1/etc/resolv.conf - - [[ -e /etc/resolv.conf ]] || return 0 - - # Handle resolv.conf as a symlink to somewhere else. - if [[ -L $chrootdir/etc/resolv.conf ]]; then - # readlink(1) should always give us *something* since we know at this point - # it's a symlink. For simplicity, ignore the case of nested symlinks. - resolv_conf=$(readlink "$chrootdir/etc/resolv.conf") - if [[ $resolv_conf = /* ]]; then - resolv_conf=$chrootdir$resolv_conf - else - resolv_conf=$chrootdir/etc/$resolv_conf - fi - - # ensure file exists to bind mount over - if [[ ! -f $resolv_conf ]]; then - install -Dm644 /dev/null "$resolv_conf" || return 1 - fi - elif [[ ! -e $chrootdir/etc/resolv.conf ]]; then - # The chroot might not have a resolv.conf. - return 0 - fi - - chroot_add_mount /etc/resolv.conf "$resolv_conf" --bind -} - -while getopts ':hu:' flag; do - case $flag in - h) - usage - exit 0 - ;; - u) - userspec=$OPTARG - ;; - :) - die '%s: option requires an argument -- '\''%s'\' "${0##*/}" "$OPTARG" - ;; - ?) - die '%s: invalid option -- '\''%s'\' "${0##*/}" "$OPTARG" - ;; - esac -done -shift $(( OPTIND - 1 )) - -(( EUID == 0 )) || die 'This script must be run with root privileges' -(( $# )) || die 'No chroot directory specified' -chrootdir=$1 -shift - -[[ -d $chrootdir ]] || die "Can't create chroot on non-directory %s" "$chrootdir" - -if ! mountpoint -q "$chrootdir"; then - warning "$chrootdir is not a mountpoint. This may have undesirable side effects." -fi - -chroot_setup "$chrootdir" || die "failed to setup chroot %s" "$chrootdir" -chroot_add_resolv_conf "$chrootdir" || die "failed to setup resolv.conf" - -chroot_args=() -[[ $userspec ]] && chroot_args+=(--userspec "$userspec") - -SHELL=/bin/bash unshare --fork --pid chroot "${chroot_args[@]}" -- "$chrootdir" "$@" |