xref: /freebsd-10-stable/usr.sbin/bsdinstall/bsdinstall

#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# Copyright (c) 2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES

# Delay processing of debug flags as the parent until MAIN. export'd to disable
# re-processing of flags (all children log to the parent's log file).
#
export DEBUG_SELF_INITIALIZE=
export DEBUG_INITIALIZE_FILE=

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1

############################################################ GLOBALS

: ${BSDINSTALL_TMPETC="/tmp/bsdinstall_etc"}; export BSDINSTALL_TMPETC
: ${BSDINSTALL_TMPBOOT="/tmp/bsdinstall_boot"}; export BSDINSTALL_TMPBOOT
: ${PATH_FSTAB="$BSDINSTALL_TMPETC/fstab"}; export PATH_FSTAB
: ${BSDINSTALL_DISTDIR="/usr/freebsd-dist"}; export BSDINSTALL_DISTDIR
: ${BSDINSTALL_CHROOT="/mnt"}; export BSDINSTALL_CHROOT

export debugFile="${debugFile-${BSDINSTALL_LOG-/tmp/bsdinstall_log}}"

############################################################ MAIN

#
# Process command-line arguments
#
while getopts $GETOPTS_STDARGS ignored; do
	: just skipping known flags
done
shift $(( $OPTIND - 1 ))

# What are we here to do?
VERB="${1:-auto}"; shift

[ -d "$BSDINSTALL_TMPETC" ] || mkdir -p "$BSDINSTALL_TMPETC"
[ -d "$BSDINSTALL_TMPBOOT" ] || mkdir -p "$BSDINSTALL_TMPBOOT"

# Only enable debugging if debugFile is non-NULL and can be initialized
f_quietly f_debug_init
f_isset debugFile || debug=

f_dprintf "Running installation step: %s %s" "$VERB" "$*"
if [ "$debug" ]; then
	case "$debugFile" in
	# If NULL, send errors to the bit-bucket
	"") exec "/usr/libexec/bsdinstall/$VERB" "$@" 2> /dev/null ;;
	# If begins with `+', send errors to both terminal and file (no `+')
	+*) exec "/usr/libexec/bsdinstall/$VERB" "$@" \
		2>&1 >&$TERMINAL_STDOUT_PASSTHRU | tee "${debugFile#+}" ;;
	# Otherwise, just send errors to the file specified
	*) exec "/usr/libexec/bsdinstall/$VERB" "$@" 2>> "$debugFile"
	esac
else
	exec "/usr/libexec/bsdinstall/$VERB" "$@" 2> /dev/null
fi

################################################################################
# END
################################################################################