trunk/bootstrap/mage-bootstrap.sh.in

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/bootstrap/scripts/mage-bootstrap.sh,v 1.8 2008-06-23 19:26:40 niro Exp $

TOOLCHAIN=""
BASESYSTEM=""
PROFILE=""
MROOT=""
ABORT_AFTER_STAGE1=false
MY_MAGEDIR=""
MY_PKGDIR=""
MAGEUPDATE=true

die()
{
	echo "ERROR: $@"
	trap_exit
	exit 1
}

read_magerc()
{
	local var="$1"
	local magerc="$2"
	local value

	# local all possible vars of a magerc file
	# to prevent bad issues
	local PKGDIR
	local BUILDDIR
	local INSTALLDB
	local MAGEDIR
	local MLIBDIR
	local VIRTUALDB_DEFAULTS
	local VIRTUALDB_FILE
	local SOURCEDIR
	local BINDIR
	local SMAGESCRIPTSDIR
	local MROOT
	local PKGSUFFIX
	local VERBOSE
	local MAGEDEBUG
	local ARCH
	local MAGE_UNINSTALL_TIMEOUT
	local CHOST
	local CFLAGS
	local CXXFLAGS
	local SMAGE_USE_CCACHE
	local SMAGE_USE_DISTCC
	local MAKEOPTS
	local DISTCC_HOSTS
	local DISTCC_DIR
	local DISTCC_VERBOSE
	local DISTCC_LOG
	local MIRRORS
	local RSYNC
	local SMAGE2RSYNC

	# sanity checks
	[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global || \
		die "get_value_from_magefile: /etc/mage.rc.global not found."
	[ -f ${magerc} ] && source ${magerc} || \
		die "get_value_from_magefile: ${magerc} not found."
	[ -z "${var}" ] && die "get_value_from_magefile: \$var not given."

	source ${magerc}
	eval value=\$$(echo ${var})
	echo "${value}"
}

add_initrc()
{
	local var="$1"

	# sanity checks
	[ -z "${MROOT}" ] && die "\$MROOT not given."
	echo "${var}" >> ${MROOT}/.installrc || die "add_initrc() adding \$var"
}

enter_chroot()
{
	mount -t proc proc ${MROOT}/proc || die "mount proc"
	mount -o bind /dev ${MROOT}/dev || die "mount dev"

	chroot ${MROOT} /bin/bash -i /.installrc || die "chr00ting"

	umount ${MROOT}/dev ${MROOT}/proc || die "mount proc/dev"

	[ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
}

is_loc_mounted()
{
	local filesys
	local i
	filesys=$1

	i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
	[[ ${i} != ${filesys} ]] && return 1

	return 0
}

trap_exit()
{
	is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
	is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
	is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
	is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
	echo "bootstrap aborted"
	exit 1
}

print_usage()
{
	echo "mage-bootstrap, version @VERSION@"
	echo "Usage: $(basename $0) --opt arg ..."
	echo
	echo "Options:"
	echo "	--profile,    -p  --  select a profile (needed)"
	echo "	--root,       -r  --  location to new root (needed)"
	echo "	--magerc,     -m  --  location of mage.rc (needed)"
	echo
	echo "	--toolchain,  -t  --  select other toolchain than from profile"
	echo "	--basesystem, -b  --  select other basesystem than from profile"
	echo "	--stage1,     -s1 --  if set, abort after stage1 (toolchain)"
	echo "	--no-update,  -u  --  do not update the mage tree"
	echo "	--help,       -h  --  prints this help"
	echo

	exit 1
}

# set some proper traps
trap "trap_exit" SIGINT SIGQUIT

# show usage if no opts given
[[ -z $* ]] && print_usage

# very basic getops
for i in $*
do
	case $1 in
		--toolchain|-t) shift; TOOLCHAIN="$1" ;;
		--basesystem|-b) shift; BASESYSTEM="$1" ;;
		--profile|-p) shift; PROFILE="$1" ;;
		--root|-r) shift; MROOT="$1" ;;
		--stage1|-s1) ABORT_AFTER_STAGE1=true ;;
		--magerc|-m) shift; MAGERC="$1" ;;
		--no-update|-u) shift; MAGEUPDATE=false ;;
		--help|-h) print_usage ;;
		'') shift;;
		*) echo "Unkown option '$1', use --help or -h to get more info."; exit 1 ;;
	esac
	shift
done

# sanity checks; abort if not given
[ -z "${MROOT}" ] && die "\$MROOT not given."
[ -z "${MAGERC}" ] && die "\$MAGERC not given."
[ -z "${PROFILE}" ] && die "\$PROFILE not given."

# they may be empty, they are included in the profile
[ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
[[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
	&& echo "\$BASESYSTEM not given, using basesystem from profile."

# check needed global commands, dirs and files
[ ! -d /usr/mage ] && die "/usr/mage does not exists"
[ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
[ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
[ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
[ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."

# install fake-root if not exist
[ ! -d ${MROOT} ] && { install -d ${MROOT} || die "create fakedir"; }

# create a fake dirs and mount them to / of the host system
MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"

install -d ${MROOT}/${MY_MAGEDIR} || die "create magedir"
install -d ${MROOT}/${MY_PKGDIR} || die "create pkgdir"

mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} || die "mount magedir"
mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} || die "mount pkgdir"

# link to the right profile
ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile || die "link profile"

# update mage tree
if [[ ${MAGEUPDATE} = true ]]
then
	MAGERC="${MAGERC}" mage update || die "update mage-tree"
fi

# now get the toolchain and the basesystem layout file
# [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
# [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
# # read them
# TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
# BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"

# this way toolchain and basesystem can be packages;
# only if nothing set the layout files from the profile will be taken
[ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
[ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"

# install toolchain
CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} || die "toolchain install"

# umount dirs, they are not needed anymore
umount ${MY_MAGEDIR} ${MY_PKGDIR} || die "umount mage/pkgdir"

# copy some needed files to the fake-root
install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc || die "install mage.rc"
install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf || die "install resolv.conf"

# abort if wanted
if [[ ${ABORT_AFTER_STAGE1} = true ]]
then
	echo "Stage1 complete; user requested to abort after this step."
	echo "Exiting ..."
	exit 0
fi

# now create an initrc for the installation of the basesystem
:> ${MROOT}/.installrc
add_initrc "export MAGE_BOOTSTRAP=true"
add_initrc "export HOME=/root"
add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
add_initrc "export BASESYSTEM=${BASESYSTEM}"
add_initrc "export PROFILE=${PROFILE}"
add_initrc "export CONFIG_PROTECT=-*"
add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"

# add proxies if defined
[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
[[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"

# install comands
add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
add_initrc "mage install ${BASESYSTEM}"
add_initrc "mage clean"

# chroot the toolchain
enter_chroot

echo "System bootstrap to '${MROOT}' finished."
exit 0
1	niro	324	#!/bin/bash
2	niro	744	# $Header: /home/cvsd/magellan-cvs/magellan-src/bootstrap/scripts/mage-bootstrap.sh,v 1.8 2008-06-23 19:26:40 niro Exp $
3	niro	324
4			TOOLCHAIN=""
5			BASESYSTEM=""
6			PROFILE=""
7			MROOT=""
8			ABORT_AFTER_STAGE1=false
9			MY_MAGEDIR=""
10			MY_PKGDIR=""
11	niro	977	MAGEUPDATE=true
12	niro	324
13			die()
14			{
15			echo "ERROR: $@"
16			trap_exit
17			exit 1
18			}
19
20			read_magerc()
21			{
22			local var="$1"
23			local magerc="$2"
24			local value
25
26			# local all possible vars of a magerc file
27			# to prevent bad issues
28			local PKGDIR
29			local BUILDDIR
30			local INSTALLDB
31			local MAGEDIR
32			local MLIBDIR
33			local VIRTUALDB_DEFAULTS
34			local VIRTUALDB_FILE
35			local SOURCEDIR
36			local BINDIR
37			local SMAGESCRIPTSDIR
38			local MROOT
39			local PKGSUFFIX
40			local VERBOSE
41			local MAGEDEBUG
42			local ARCH
43			local MAGE_UNINSTALL_TIMEOUT
44			local CHOST
45			local CFLAGS
46			local CXXFLAGS
47			local SMAGE_USE_CCACHE
48			local SMAGE_USE_DISTCC
49			local MAKEOPTS
50			local DISTCC_HOSTS
51			local DISTCC_DIR
52			local DISTCC_VERBOSE
53			local DISTCC_LOG
54			local MIRRORS
55			local RSYNC
56			local SMAGE2RSYNC
57
58			# sanity checks
59	niro	683	[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global \|\| \
60			die "get_value_from_magefile: /etc/mage.rc.global not found."
61	niro	324	[ -f ${magerc} ] && source ${magerc} \|\| \
62			die "get_value_from_magefile: ${magerc} not found."
63			[ -z "${var}" ] && die "get_value_from_magefile: \$var not given."
64
65			source ${magerc}
66			eval value=\$$(echo ${var})
67			echo "${value}"
68			}
69
70			add_initrc()
71			{
72			local var="$1"
73
74			# sanity checks
75			[ -z "${MROOT}" ] && die "\$MROOT not given."
76			echo "${var}" >> ${MROOT}/.installrc \|\| die "add_initrc() adding \$var"
77			}
78
79			enter_chroot()
80			{
81			mount -t proc proc ${MROOT}/proc \|\| die "mount proc"
82			mount -o bind /dev ${MROOT}/dev \|\| die "mount dev"
83
84			chroot ${MROOT} /bin/bash -i /.installrc \|\| die "chr00ting"
85
86			umount ${MROOT}/dev ${MROOT}/proc \|\| die "mount proc/dev"
87
88			[ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
89			}
90
91			is_loc_mounted()
92			{
93			local filesys
94			local i
95			filesys=$1
96
97			i="$(cat /proc/mounts \| grep " ${filesys} " \| cut -d ' ' -f2)"
98			[[ ${i} != ${filesys} ]] && return 1
99
100			return 0
101			}
102
103			trap_exit()
104			{
105			is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
106			is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
107			is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
108			is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
109			echo "bootstrap aborted"
110			exit 1
111			}
112
113			print_usage()
114			{
115	niro	340	echo "mage-bootstrap, version @VERSION@"
116	niro	324	echo "Usage: $(basename $0) --opt arg ..."
117			echo
118			echo "Options:"
119			echo " --profile, -p -- select a profile (needed)"
120			echo " --root, -r -- location to new root (needed)"
121			echo " --magerc, -m -- location of mage.rc (needed)"
122			echo
123			echo " --toolchain, -t -- select other toolchain than from profile"
124			echo " --basesystem, -b -- select other basesystem than from profile"
125			echo " --stage1, -s1 -- if set, abort after stage1 (toolchain)"
126	niro	977	echo " --no-update, -u -- do not update the mage tree"
127	niro	324	echo " --help, -h -- prints this help"
128			echo
129
130			exit 1
131			}
132
133			# set some proper traps
134			trap "trap_exit" SIGINT SIGQUIT
135
136			# show usage if no opts given
137			[[ -z $* ]] && print_usage
138
139			# very basic getops
140			for i in $*
141			do
142			case $1 in
143			--toolchain\|-t) shift; TOOLCHAIN="$1" ;;
144			--basesystem\|-b) shift; BASESYSTEM="$1" ;;
145			--profile\|-p) shift; PROFILE="$1" ;;
146			--root\|-r) shift; MROOT="$1" ;;
147			--stage1\|-s1) ABORT_AFTER_STAGE1=true ;;
148			--magerc\|-m) shift; MAGERC="$1" ;;
149	niro	977	--no-update\|-u) shift; MAGEUPDATE=false ;;
150	niro	324	--help\|-h) print_usage ;;
151			'') shift;;
152			*) echo "Unkown option '$1', use --help or -h to get more info."; exit 1 ;;
153			esac
154			shift
155			done
156
157			# sanity checks; abort if not given
158			[ -z "${MROOT}" ] && die "\$MROOT not given."
159			[ -z "${MAGERC}" ] && die "\$MAGERC not given."
160			[ -z "${PROFILE}" ] && die "\$PROFILE not given."
161
162			# they may be empty, they are included in the profile
163			[ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
164			[[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
165			&& echo "\$BASESYSTEM not given, using basesystem from profile."
166
167			# check needed global commands, dirs and files
168			[ ! -d /usr/mage ] && die "/usr/mage does not exists"
169			[ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
170			[ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
171			[ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
172			[ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."
173
174			# install fake-root if not exist
175			[ ! -d ${MROOT} ] && { install -d ${MROOT} \|\| die "create fakedir"; }
176
177			# create a fake dirs and mount them to / of the host system
178			MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
179			MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"
180
181			install -d ${MROOT}/${MY_MAGEDIR} \|\| die "create magedir"
182			install -d ${MROOT}/${MY_PKGDIR} \|\| die "create pkgdir"
183
184			mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} \|\| die "mount magedir"
185			mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} \|\| die "mount pkgdir"
186
187			# link to the right profile
188			ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile \|\| die "link profile"
189
190			# update mage tree
191	niro	977	if [[ ${MAGEUPDATE} = true ]]
192			then
193			MAGERC="${MAGERC}" mage update \|\| die "update mage-tree"
194			fi
195	niro	324
196			# now get the toolchain and the basesystem layout file
197			# [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
198			# [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
199			# # read them
200			# TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
201			# BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"
202
203	niro	422	# this way toolchain and basesystem can be packages;
204	niro	324	# only if nothing set the layout files from the profile will be taken
205	niro	683	[ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
206			[ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"
207	niro	324
208			# install toolchain
209	niro	422	CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} \|\| die "toolchain install"
210	niro	324
211			# umount dirs, they are not needed anymore
212			umount ${MY_MAGEDIR} ${MY_PKGDIR} \|\| die "umount mage/pkgdir"
213
214			# copy some needed files to the fake-root
215			install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc \|\| die "install mage.rc"
216			install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf \|\| die "install resolv.conf"
217
218			# abort if wanted
219			if [[ ${ABORT_AFTER_STAGE1} = true ]]
220			then
221			echo "Stage1 complete; user requested to abort after this step."
222			echo "Exiting ..."
223			exit 0
224			fi
225
226			# now create an initrc for the installation of the basesystem
227			:> ${MROOT}/.installrc
228	niro	422	add_initrc "export MAGE_BOOTSTRAP=true"
229	niro	324	add_initrc "export HOME=/root"
230			add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
231			add_initrc "export BASESYSTEM=${BASESYSTEM}"
232			add_initrc "export PROFILE=${PROFILE}"
233			add_initrc "export CONFIG_PROTECT=-*"
234			add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"
235
236			# add proxies if defined
237			[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
238			[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
239			[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
240			[[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"
241
242			# install comands
243			add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
244			add_initrc "mage install ${BASESYSTEM}"
245			add_initrc "mage clean"
246
247			# chroot the toolchain
248			enter_chroot
249
250			echo "System bootstrap to '${MROOT}' finished."
251			exit 0