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
MAGEUPDATETARBALL=false

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 "  --update-tarball, -ut -- update via tarball not rsync"
	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" ;;
		--update-tarball|-ut) shift; MAGEUPDATETARBALL=true ;;
		--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
	if [[ ${MAGEUPDATETARBALL} = true ]]
	then
		MAGERC="${MAGERC}" mage update-tarball || die "update mage-tree"
	else
		MAGERC="${MAGERC}" mage update || die "update mage-tree"
	fi
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	1075	MAGEUPDATETARBALL=false
13	niro	324
14			die()
15			{
16			echo "ERROR: $@"
17			trap_exit
18			exit 1
19			}
20
21			read_magerc()
22			{
23			local var="$1"
24			local magerc="$2"
25			local value
26
27			# local all possible vars of a magerc file
28			# to prevent bad issues
29			local PKGDIR
30			local BUILDDIR
31			local INSTALLDB
32			local MAGEDIR
33			local MLIBDIR
34			local VIRTUALDB_DEFAULTS
35			local VIRTUALDB_FILE
36			local SOURCEDIR
37			local BINDIR
38			local SMAGESCRIPTSDIR
39			local MROOT
40			local PKGSUFFIX
41			local VERBOSE
42			local MAGEDEBUG
43			local ARCH
44			local MAGE_UNINSTALL_TIMEOUT
45			local CHOST
46			local CFLAGS
47			local CXXFLAGS
48			local SMAGE_USE_CCACHE
49			local SMAGE_USE_DISTCC
50			local MAKEOPTS
51			local DISTCC_HOSTS
52			local DISTCC_DIR
53			local DISTCC_VERBOSE
54			local DISTCC_LOG
55			local MIRRORS
56			local RSYNC
57			local SMAGE2RSYNC
58
59			# sanity checks
60	niro	683	[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global \|\| \
61			die "get_value_from_magefile: /etc/mage.rc.global not found."
62	niro	324	[ -f ${magerc} ] && source ${magerc} \|\| \
63			die "get_value_from_magefile: ${magerc} not found."
64			[ -z "${var}" ] && die "get_value_from_magefile: \$var not given."
65
66			source ${magerc}
67			eval value=\$$(echo ${var})
68			echo "${value}"
69			}
70
71			add_initrc()
72			{
73			local var="$1"
74
75			# sanity checks
76			[ -z "${MROOT}" ] && die "\$MROOT not given."
77			echo "${var}" >> ${MROOT}/.installrc \|\| die "add_initrc() adding \$var"
78			}
79
80			enter_chroot()
81			{
82			mount -t proc proc ${MROOT}/proc \|\| die "mount proc"
83			mount -o bind /dev ${MROOT}/dev \|\| die "mount dev"
84
85			chroot ${MROOT} /bin/bash -i /.installrc \|\| die "chr00ting"
86
87			umount ${MROOT}/dev ${MROOT}/proc \|\| die "mount proc/dev"
88
89			[ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
90			}
91
92			is_loc_mounted()
93			{
94			local filesys
95			local i
96			filesys=$1
97
98			i="$(cat /proc/mounts \| grep " ${filesys} " \| cut -d ' ' -f2)"
99			[[ ${i} != ${filesys} ]] && return 1
100
101			return 0
102			}
103
104			trap_exit()
105			{
106			is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
107			is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
108			is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
109			is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
110			echo "bootstrap aborted"
111			exit 1
112			}
113
114			print_usage()
115			{
116	niro	340	echo "mage-bootstrap, version @VERSION@"
117	niro	324	echo "Usage: $(basename $0) --opt arg ..."
118			echo
119			echo "Options:"
120	niro	1075	echo " --profile, -p -- select a profile (needed)"
121			echo " --root, -r -- location to new root (needed)"
122			echo " --magerc, -m -- location of mage.rc (needed)"
123	niro	324	echo
124	niro	1075	echo " --toolchain, -t -- select other toolchain than from profile"
125			echo " --basesystem, -b -- select other basesystem than from profile"
126			echo " --stage1, -s1 -- if set, abort after stage1 (toolchain)"
127			echo " --update-tarball, -ut -- update via tarball not rsync"
128			echo " --no-update, -u -- do not update the mage tree"
129			echo " --help, -h -- prints this help"
130	niro	324	echo
131
132			exit 1
133			}
134
135			# set some proper traps
136			trap "trap_exit" SIGINT SIGQUIT
137
138			# show usage if no opts given
139			[[ -z $* ]] && print_usage
140
141			# very basic getops
142			for i in $*
143			do
144			case $1 in
145			--toolchain\|-t) shift; TOOLCHAIN="$1" ;;
146			--basesystem\|-b) shift; BASESYSTEM="$1" ;;
147			--profile\|-p) shift; PROFILE="$1" ;;
148			--root\|-r) shift; MROOT="$1" ;;
149			--stage1\|-s1) ABORT_AFTER_STAGE1=true ;;
150			--magerc\|-m) shift; MAGERC="$1" ;;
151	niro	1075	--update-tarball\|-ut) shift; MAGEUPDATETARBALL=true ;;
152	niro	977	--no-update\|-u) shift; MAGEUPDATE=false ;;
153	niro	324	--help\|-h) print_usage ;;
154			'') shift;;
155			*) echo "Unkown option '$1', use --help or -h to get more info."; exit 1 ;;
156			esac
157			shift
158			done
159
160			# sanity checks; abort if not given
161			[ -z "${MROOT}" ] && die "\$MROOT not given."
162			[ -z "${MAGERC}" ] && die "\$MAGERC not given."
163			[ -z "${PROFILE}" ] && die "\$PROFILE not given."
164
165			# they may be empty, they are included in the profile
166			[ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
167			[[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
168			&& echo "\$BASESYSTEM not given, using basesystem from profile."
169
170			# check needed global commands, dirs and files
171			[ ! -d /usr/mage ] && die "/usr/mage does not exists"
172			[ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
173			[ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
174			[ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
175			[ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."
176
177			# install fake-root if not exist
178			[ ! -d ${MROOT} ] && { install -d ${MROOT} \|\| die "create fakedir"; }
179
180			# create a fake dirs and mount them to / of the host system
181			MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
182			MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"
183
184			install -d ${MROOT}/${MY_MAGEDIR} \|\| die "create magedir"
185			install -d ${MROOT}/${MY_PKGDIR} \|\| die "create pkgdir"
186
187			mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} \|\| die "mount magedir"
188			mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} \|\| die "mount pkgdir"
189
190			# link to the right profile
191			ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile \|\| die "link profile"
192
193			# update mage tree
194	niro	977	if [[ ${MAGEUPDATE} = true ]]
195			then
196	niro	1075	if [[ ${MAGEUPDATETARBALL} = true ]]
197			then
198			MAGERC="${MAGERC}" mage update-tarball \|\| die "update mage-tree"
199			else
200			MAGERC="${MAGERC}" mage update \|\| die "update mage-tree"
201			fi
202	niro	977	fi
203	niro	324
204			# now get the toolchain and the basesystem layout file
205			# [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
206			# [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
207			# # read them
208			# TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
209			# BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"
210
211	niro	422	# this way toolchain and basesystem can be packages;
212	niro	324	# only if nothing set the layout files from the profile will be taken
213	niro	683	[ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
214			[ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"
215	niro	324
216			# install toolchain
217	niro	422	CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} \|\| die "toolchain install"
218	niro	324
219			# umount dirs, they are not needed anymore
220			umount ${MY_MAGEDIR} ${MY_PKGDIR} \|\| die "umount mage/pkgdir"
221
222			# copy some needed files to the fake-root
223			install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc \|\| die "install mage.rc"
224			install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf \|\| die "install resolv.conf"
225
226			# abort if wanted
227			if [[ ${ABORT_AFTER_STAGE1} = true ]]
228			then
229			echo "Stage1 complete; user requested to abort after this step."
230			echo "Exiting ..."
231			exit 0
232			fi
233
234			# now create an initrc for the installation of the basesystem
235			:> ${MROOT}/.installrc
236	niro	422	add_initrc "export MAGE_BOOTSTRAP=true"
237	niro	324	add_initrc "export HOME=/root"
238			add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
239			add_initrc "export BASESYSTEM=${BASESYSTEM}"
240			add_initrc "export PROFILE=${PROFILE}"
241			add_initrc "export CONFIG_PROTECT=-*"
242			add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"
243
244			# add proxies if defined
245			[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
246			[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
247			[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
248			[[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"
249
250			# install comands
251			add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
252			add_initrc "mage install ${BASESYSTEM}"
253			add_initrc "mage clean"
254
255			# chroot the toolchain
256			enter_chroot
257
258			echo "System bootstrap to '${MROOT}' finished."
259			exit 0