trunk/bootstrap/mage-bootstrap.sh

#!/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	#!/bin/bash
2	# $Header: /home/cvsd/magellan-cvs/magellan-src/bootstrap/scripts/mage-bootstrap.sh,v 1.8 2008-06-23 19:26:40 niro Exp $
3
4	TOOLCHAIN=""
5	BASESYSTEM=""
6	PROFILE=""
7	MROOT=""
8	ABORT_AFTER_STAGE1=false
9	MY_MAGEDIR=""
10	MY_PKGDIR=""
11	MAGEUPDATE=true
12
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	[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global \|\| \
60	die "get_value_from_magefile: /etc/mage.rc.global not found."
61	[ -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	echo "mage-bootstrap, version @VERSION@"
116	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	echo " --no-update, -u -- do not update the mage tree"
127	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	--no-update\|-u) shift; MAGEUPDATE=false ;;
150	--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	if [[ ${MAGEUPDATE} = true ]]
192	then
193	MAGERC="${MAGERC}" mage update \|\| die "update mage-tree"
194	fi
195
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	# this way toolchain and basesystem can be packages;
204	# only if nothing set the layout files from the profile will be taken
205	[ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
206	[ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"
207
208	# install toolchain
209	CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} \|\| die "toolchain install"
210
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	:> ${MROOT}/.installrc
228	add_initrc "export MAGE_BOOTSTRAP=true"
229	add_initrc "export HOME=/root"
230	add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
231	add_initrc "export BASESYSTEM=${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