trunk/bootstrap/mage-bootstrap.sh.in

#!/bin/bash
# $Id$

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 -t sysfs sysfs ${MROOT}/sys || die "mount sys"
	mount -o bind /dev ${MROOT}/dev || die "mount dev"

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

	umount ${MROOT}/dev ${MROOT}/sys ${MROOT}/proc || die "mount proc/sys/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 ${MROOT}/proc
	is_loc_mounted "${MROOT}/sys" && umount ${MROOT}/sys
	is_loc_mounted "${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) MAGEUPDATETARBALL=true ;;
		--no-update|-u) 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
if ! MROOT="${MROOT}" MAGERC="${MAGERC}" magequery -n ${TOOLCHAIN}
then
	CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} || die "toolchain install"
fi

# 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	# $Id$
3
4	TOOLCHAIN=""
5	BASESYSTEM=""
6	PROFILE=""
7	MROOT=""
8	ABORT_AFTER_STAGE1=false
9	MY_MAGEDIR=""
10	MY_PKGDIR=""
11	MAGEUPDATE=true
12	MAGEUPDATETARBALL=false
13
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	[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global \|\| \
61	die "get_value_from_magefile: /etc/mage.rc.global not found."
62	[ -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 -t sysfs sysfs ${MROOT}/sys \|\| die "mount sys"
84	mount -o bind /dev ${MROOT}/dev \|\| die "mount dev"
85
86	chroot ${MROOT} /bin/bash -i /.installrc \|\| die "chr00ting"
87
88	umount ${MROOT}/dev ${MROOT}/sys ${MROOT}/proc \|\| die "mount proc/sys/dev"
89
90	[ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
91	}
92
93	is_loc_mounted()
94	{
95	local filesys
96	local i
97	filesys=$1
98
99	i="$(cat /proc/mounts \| grep " ${filesys} " \| cut -d ' ' -f2)"
100	[[ ${i} != ${filesys} ]] && return 1
101
102	return 0
103	}
104
105	trap_exit()
106	{
107	is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
108	is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
109	is_loc_mounted "${MROOT}/sys" && umount ${MROOT}/sys
110	is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
111	is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
112	echo "bootstrap aborted"
113	exit 1
114	}
115
116	print_usage()
117	{
118	echo "mage-bootstrap, version @VERSION@"
119	echo "Usage: $(basename $0) --opt arg ..."
120	echo
121	echo "Options:"
122	echo " --profile, -p -- select a profile (needed)"
123	echo " --root, -r -- location to new root (needed)"
124	echo " --magerc, -m -- location of mage.rc (needed)"
125	echo
126	echo " --toolchain, -t -- select other toolchain than from profile"
127	echo " --basesystem, -b -- select other basesystem than from profile"
128	echo " --stage1, -s1 -- if set, abort after stage1 (toolchain)"
129	echo " --update-tarball, -ut -- update via tarball not rsync"
130	echo " --no-update, -u -- do not update the mage tree"
131	echo " --help, -h -- prints this help"
132	echo
133
134	exit 1
135	}
136
137	# set some proper traps
138	trap "trap_exit" SIGINT SIGQUIT
139
140	# show usage if no opts given
141	[[ -z $* ]] && print_usage
142
143	# very basic getops
144	for i in $*
145	do
146	case $1 in
147	--toolchain\|-t) shift; TOOLCHAIN="$1" ;;
148	--basesystem\|-b) shift; BASESYSTEM="$1" ;;
149	--profile\|-p) shift; PROFILE="$1" ;;
150	--root\|-r) shift; MROOT="$1" ;;
151	--stage1\|-s1) ABORT_AFTER_STAGE1=true ;;
152	--magerc\|-m) shift; MAGERC="$1" ;;
153	--update-tarball\|-ut) MAGEUPDATETARBALL=true ;;
154	--no-update\|-u) MAGEUPDATE=false ;;
155	--help\|-h) print_usage ;;
156	'') shift;;
157	*) echo "Unkown option '$1', use --help or -h to get more info."; exit 1 ;;
158	esac
159	shift
160	done
161
162	# sanity checks; abort if not given
163	[ -z "${MROOT}" ] && die "\$MROOT not given."
164	[ -z "${MAGERC}" ] && die "\$MAGERC not given."
165	[ -z "${PROFILE}" ] && die "\$PROFILE not given."
166
167	# they may be empty, they are included in the profile
168	[ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
169	[[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
170	&& echo "\$BASESYSTEM not given, using basesystem from profile."
171
172	# check needed global commands, dirs and files
173	[ ! -d /usr/mage ] && die "/usr/mage does not exists"
174	[ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
175	[ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
176	[ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
177	[ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."
178
179	# install fake-root if not exist
180	[ ! -d ${MROOT} ] && { install -d ${MROOT} \|\| die "create fakedir"; }
181
182	# create a fake dirs and mount them to / of the host system
183	MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
184	MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"
185
186	install -d ${MROOT}/${MY_MAGEDIR} \|\| die "create magedir"
187	install -d ${MROOT}/${MY_PKGDIR} \|\| die "create pkgdir"
188
189	mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} \|\| die "mount magedir"
190	mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} \|\| die "mount pkgdir"
191
192	# link to the right profile
193	ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile \|\| die "link profile"
194
195	# update mage tree
196	if [[ ${MAGEUPDATE} = true ]]
197	then
198	if [[ ${MAGEUPDATETARBALL} = true ]]
199	then
200	MAGERC="${MAGERC}" mage update-tarball \|\| die "update mage-tree"
201	else
202	MAGERC="${MAGERC}" mage update \|\| die "update mage-tree"
203	fi
204	fi
205
206	# now get the toolchain and the basesystem layout file
207	# [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
208	# [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
209	# # read them
210	# TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
211	# BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"
212
213	# this way toolchain and basesystem can be packages;
214	# only if nothing set the layout files from the profile will be taken
215	[ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
216	[ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"
217
218	# install toolchain
219	if ! MROOT="${MROOT}" MAGERC="${MAGERC}" magequery -n ${TOOLCHAIN}
220	then
221	CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} \|\| die "toolchain install"
222	fi
223
224	# umount dirs, they are not needed anymore
225	umount ${MY_MAGEDIR} ${MY_PKGDIR} \|\| die "umount mage/pkgdir"
226
227	# copy some needed files to the fake-root
228	install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc \|\| die "install mage.rc"
229	install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf \|\| die "install resolv.conf"
230
231	# abort if wanted
232	if [[ ${ABORT_AFTER_STAGE1} = true ]]
233	then
234	echo "Stage1 complete; user requested to abort after this step."
235	echo "Exiting ..."
236	exit 0
237	fi
238
239	# now create an initrc for the installation of the basesystem
240	:> ${MROOT}/.installrc
241	add_initrc "export MAGE_BOOTSTRAP=true"
242	add_initrc "export HOME=/root"
243	add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
244	add_initrc "export BASESYSTEM=${BASESYSTEM}"
245	add_initrc "export PROFILE=${PROFILE}"
246	add_initrc "export CONFIG_PROTECT=-*"
247	add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"
248
249	# add proxies if defined
250	[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
251	[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
252	[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
253	[[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"
254
255	# install comands
256	add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
257	add_initrc "mage install ${BASESYSTEM}"
258	add_initrc "mage clean"
259
260	# chroot the toolchain
261	enter_chroot
262
263	echo "System bootstrap to '${MROOT}' finished."
264	exit 0