From 153d299a41b9be4e15dab1ca29bb93a74bd2445d Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Fri, 29 Apr 2016 14:36:26 -0400
Subject: fix paths (in progress)

---
 old-school/lvm-create.sh | 299 -----------------------------------------------
 1 file changed, 299 deletions(-)
 delete mode 100644 old-school/lvm-create.sh

(limited to 'old-school/lvm-create.sh')

diff --git a/old-school/lvm-create.sh b/old-school/lvm-create.sh
deleted file mode 100644
index d4a8bdf..0000000
--- a/old-school/lvm-create.sh
+++ /dev/null
@@ -1,299 +0,0 @@
-#!/bin/sh
-
-losetup() { /sbin/losetup "$@"; }
-
-luks_secret()
-{
-  local parms=$-; # this junk keeps set -x from being too annoying
-  set +x
-  [ -n "$luks_secret" ] || luks_secret="$(head -c256 /dev/urandom)"
-  printf %s "$luks_secret"
-  case $parms in *x*) set -x; set -x ;; esac
-}
-
-floor4()
-{
-  # Negatives round up, but aren't used.
-  echo $(($1 / 4 * 4))
-}
-
-ceil4()
-{
-  local x="$1"
-  [ $((x % 4)) -eq 0 ] || x=$((x + 4 - x % 4))
-  printf '%d\n' "$x"
-}
-
-. loop-layer.sh
-
-losetup_layers()
-{
-    bootwait samizdat-cdrom
-    local fs fs_rw
-    for fs in /cdrom/rootfs/*.btrfs; do
-        fs_rw=/"${fs##*/}".rw
-        dd if=/dev/zero of="$fs_rw" bs=1M count=10
-        losetup_snapshot "$fs" "$fs_rw" || return
-    done
-}
-
-init_samizdat()
-{
-  local blockdev="$1" imgfile="$2" uuid
-
-  losetup_layers                                   || return
-  modprobe btrfs                                   || return
-  btrfs device scan                                || return
-
-  uuid=$(choose_uuid)                              || return
-  [ "$uuid" ]                                      || return
-
-  mount -t btrfs UUID="$uuid" /root || return
-
-  btrfs device add "$blockdev" /root               || return
-  mount -o rw,remount /root                        || return
-  samizdat_movemounts "$imgfile"                   || return
-
-  initialize_root_filesystem                       || return
-
-  bootdone root-mounted
-}
-
-samizdat_movemounts()
-{
-    local imgfile="$1" mountpoint
-
-    if [ "$imgfile" ]; then
-        mountpoint=$(mountpoint_of "$imgfile") || return
-        mkdir /root/outerfs
-        mount -o move "$mountpoint" /root/outerfs
-    fi
-    mkdir /root/cdrom
-    mount -o move /cdrom /root/cdrom
-    mkdir -p /run/initramfs/samizdat/log
-    cp /var/log/* /run/initramfs/samizdat/log
-    true
-}
-
-mountpoint_of()
-{
-    local f="$1"
-    while ! mountpoint -q "$f"; do
-        f=$(dirname "$f")
-        [ "$f" != '.' ] || return 1
-    done
-    printf '%s\n' "$f"
-}
-
-initialize_root_filesystem()
-{
-    rm -r /root/root
-    btrfs subvolume create /root/root                   || return
-    mv /gpg/gnupghome /root/root/.gnupg                 || return
-
-    rmdir /root/srv
-    btrfs subvolume create /root/srv
-    rm -r /root/var/cache/apt/archives
-    btrfs subvolume create /root/var/cache/apt/archives || return
-
-    rmdir /root/home
-    btrfs subvolume create /root/home                   || return
-
-    [ -x /root/sbin/mdadm ] || cp /sbin/mdadm /root/sbin/
-    # Copy these over unconditionally, because they ought to remain in sync with
-    # the initrd.
-    cp /bin/mdadm-dup.sh /root/sbin/
-    cp /bin/samizdat-eject.sh /root/sbin/
-
-    sed -i -e 's/^root:x:/root::/' /root/etc/passwd
-    cp /patchroot/* /root/root/
-
-    true
-}
-
-# Get the uuid of the filesystem with the most devices,
-# excluding filesystems that don't incorporate loop devices.
-# This is used to choose the latest seed -- which should have
-# the most layers.
-choose_uuid()
-{
-    local seen_loop= seen_uuid= seen_devs=
-    btrfs filesystem show |
-        while read line; do
-            case "$line" in
-                Label*)
-                    seen_uuid=${line##*uuid: }
-                    seen_devs=
-                    seen_loop=
-                    ;;
-                *Total\ devices*)
-                    seen_devs=${line#*Total devices }
-                    seen_devs=${seen_devs%% *}
-                    ;;
-                *path\ /dev/mapper/*)
-                    seen_loop=t;;
-            esac
-            [ "$seen_loop" ] && echo "$seen_devs $seen_uuid"
-        done |
-        uniq | sort -nr | head -n1 | (read _ x; echo $x)
-}
-
-filesystem_incomplete()
-{
-    local n
-    n=$(btrfs filesystem show "$1" | sed -ne 's/.*Total devices \([^ ]*\) .*/\1/p')
-    [ "$n" != 1 ]
-}
-
-open_samizdat()
-{
-  local imgfile="$1" keyfile="$2"
-  open_samizdat_blockdev "$imgfile" "$keyfile" || return
-  local blockdev=/dev/mapper/samizdatcrypt fs
-
-  # For this part, we don't necessarily need the cdrom.
-  # Unfortunately the init_gpg code is still getting the GPG key there.
-  if filesystem_incomplete "$blockdev"; then
-     losetup_layers
-  fi
-  modprobe btrfs || return
-  btrfs device scan || return
-  mount -t btrfs "$blockdev" /root || return
-  samizdat_movemounts "$imgfile"
-  LoSetup -D
-  bootdone root-mounted
-}
-
-init_samizdat_lodev()
-{
-  local imgfile="$1" megs=$(ceil4 "$2") dev
-  truncate -s ${megs}M "$imgfile" || return
-  dev=$(losetup -f) && losetup "$dev" "$imgfile" || return
-  echo "$dev"
-}
-
-open_samizdat_blockdev()
-{
-  local imgfile="$1" keyfile="$2" dev
-  local cryptname=samizdatcrypt
-  dev=$(losetup -f) && losetup "$dev" "$imgfile" || return
-
-  gpg2 --verify "$keyfile" || return
-  # The first --decrypt merely strips the signature.  The option is
-  # poorly named for that case.
-  gpg2 --decrypt "$keyfile" | gpg2 --decrypt | cryptsetup --key-file - luksOpen "$dev" "$cryptname" || return
-
-  [ -b /dev/mapper/"$cryptname" ] || return
-
-}
-
-init_samizdat_blockdev()
-{
-  local imgfile="$1" megs="$2" keyfile="$3" dev
-  local cryptname=samizdatcrypt
-
-  dev=$(init_samizdat_lodev "$imgfile" "$megs") || return
-
-  [ ! -b /dev/mapper/"$cryptname" ] || return
-
-  luks_secret >/dev/null
-  luks_secret | gpg2 --default-recipient-self --encrypt --armor | gpg2 --clearsign --output "$keyfile" || return
-
-  luks_secret | cryptsetup luksFormat "$dev" - || return
-  cryptsetup luksDump "$dev" >&2
-  luks_secret | cryptsetup --key-file - luksOpen "$dev" "$cryptname" || return
-
-  [ -b /dev/mapper/"$cryptname" ] || return
-}
-
-majmin()
-{
-  local dev="$1" major minor
-  eval $(stat -c 'major=%t minor=%T' "$dev") || return
-  [ "$major" -a "$minor" ] || return
-  printf '%d:%d\n' 0x$major 0x$minor
-}
-
-cryptdev_to_dev()
-{
-  local dev="$1" majmin
-  majmin=$(majmin "$dev") || return
-  set -- /sys/dev/block/$majmin/slaves/*
-  [ $# = 1 ] || return
-
-  cryptsetup status "$dev" |while read k v; do if [ "$k" = device: ]; then echo $v; break; fi; done
-}
-
-cryptdev_to_backing_file()
-{
-  local dev="$1" majmin result
-  majmin="$(majmin "$dev")" || return
-  set -- /sys/dev/block/$majmin/slaves/*
-  [ $# = 1 ] || return
-  read result < "$1"/loop/backing_file || return
-  printf '%s\n' "$result"
-}
-
-lodev_to_file()
-{
-  local result majmin dev="$1"
-  majmin="$(majmin "$dev")" || return
-  read result < /sys/dev/block/$majmin/loop/backing_file || return
-  printf '%s' "$result"
-}
-
-mountpoint_to_dev()
-{
-  local wantmp="$1" dev mp rest
-  mountpoint -q "$wantmp" || return
-  while read dev mp rest; do if [ "$mp" = "$wantmp" ]; then echo "$dev"; return; fi; done < /proc/mounts
-  return 1
-}
-
-get_cdrom_sizelimit()
-{
-  # returns bytes
-  local dev="$1" sectors
-  sectors=$(blockdev --getsz "$dev") || return
-  if dd count=2 if="$dev" bs=2048 skip=$((sectors/4 - 2)) of=/dev/null 2>/dev/null; then
-    return
-  else
-    echo $(((sectors-8)*512))
-  fi
-}
-
-init_gpg()
-{
-  bootwait samizdat-cdrom
-  export GNUPGHOME=/gpg/gnupghome
-  mkdir -p "$GNUPGHOME"
-  (umask 077; rsync --exclude '/luks-key*' --ignore-existing -rpP /cdrom/gnupghome/ "$GNUPGHOME")
-
-  if samizdat-password-agent >/var/log/samizdat-password-agent.log 2>&1; then
-    clear
-    true
-  else
-    false
-  fi
-}
-
-start_meter()
-{
-  local startmsg="$*"
-  (exec >&4
-  clear
-  echo -n $startmsg
-  set +x
-  while sleep 2; do
-    echo -n .
-  done) &
-  meterpid=$!
-}
-
-stop_meter()
-{
-  local endmsg="$*"
-  kill $meterpid
-  echo "  $endmsg" >&4
-}
-
-- 
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