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#!/bin/sh
REQUIRED_MB=250 # minimum megabytes available to offer install
MENUFIFO=/menu.fifo
DEBUG=y
LOGBASE=/var/log
debug_log()
{
if [ -n "$DEBUG" ]; then
if [ -n "$1" ]; then
DEBUG_LOG=$LOGBASE/"$1".$$.log
else
DEBUG_LOG=$LOGBASE/$(basename $0).$$.log
fi
mkdir -p $LOGBASE
exec >>$DEBUG_LOG 2>&1
set -x
fi
}
addmenu()
{
cat <<END >>$MENUFIFO # mind the tabs
setItem "$1" "dummy" "$2" "$3"
END
}
menutitle()
{
printf 'setTitle "%s"\n' "$1" >>$MENUFIFO
printf 'setWelcomeText "%s"\n' "$2" >>$MENUFIFO
}
bootmenu()
{
local do_trigger="$1" no_panic="$2"
OpenVT -f -c 7 -- dynmenu "$MENUFIFO" &&
chvt 7 &&
menutitle 'Samizdat\n\nAs the Internet develops there are\ntransitions in the management arrangements.\nThe time has come to take\na small step in one of those transitions.' 'Choose an installation target.'
# menutitle 'Samizdat\nfreedom from surveillance\nno trusted authorities' 'Choose an installation target.'
addmenu "ramdisk" "[ Boot to RAM without installing anything ]" "menu-select boot-ram"
if [ $? != 0 -a ! "$no_panic" ]; then
panic "error loading boot menu! the system won't be usable :("
fi
if [ "$do_trigger" ]; then
udevadm trigger --subsystem-match=block --action=add
fi
}
xtrace()
{
case "$-" in
*x*) "$@" ;;
*) set -x; "$@"; set +x ;;
esac
}
sleepcmd() {
local t=$1
shift
echo "about to run '$*' (in $t)"
sleep $t
"$@"
}
sleep_forever_verbose() {
sleep 4294967295 &
local sleep=$!
warn "sleeping until you kill $sleep..."
wait $sleep
}
warn() { [ -z "$warnings" ] || echo "$@" >&2; }
panic()
{
set +x
exec </dev/tty1 >/dev/tty1 2>&1
reset
echo "[p$$] initramfs /init: fatal error: $@"
echo "[p$$] will now exec emergency shell"
export PS1="[p$$ \\w]# "
chvt 1
exec /bin/sh -i
}
bootwait()
{
mkdir -p /bootwait
local i=$#; while [ $i -gt 0 ]; do
i=$((i-1))
local f="$1"; shift; set -- "$@" "/bootwait/$f"
done
wait_for_files "$@"
}
bootdone()
{
mkdir -p /bootwait
local i=$#; while [ $i -gt 0 ]; do
i=$((i-1))
local f="$1"; shift; set -- "$@" "/bootwait/$f"
done
touch "$@"
}
my_openvt()
{
/bin/openvt -c "$@"
}
# This runs before way before NTP and on a LiveCD we have no
# reason to trust the system clock.
gpg2_nobatch() { GPG_TTY=$(tty) command gpg2 --ignore-time-conflict --ignore-valid-from "$@"; }
gpg2() { gpg2_nobatch --batch "$@"; }
xcp() { if [ -f "$1" -a ! -f "$2" ]; then cp "$1" "$2"; fi; }
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