Magellan Linux

Contents of /trunk/bootstrap/mage-bootstrap.sh.in

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Revision 835 - (show annotations) (download) (as text)
Sun May 3 17:10:39 2009 UTC (15 years, 6 months ago) by niro
Original Path: trunk/bootstrap/mage-bootstrap.sh
File MIME type: application/x-sh
File size: 7108 byte(s)
moved
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
12 die()
13 {
14 echo "ERROR: $@"
15 trap_exit
16 exit 1
17 }
18
19 read_magerc()
20 {
21 local var="$1"
22 local magerc="$2"
23 local value
24
25 # local all possible vars of a magerc file
26 # to prevent bad issues
27 local PKGDIR
28 local BUILDDIR
29 local INSTALLDB
30 local MAGEDIR
31 local MLIBDIR
32 local VIRTUALDB_DEFAULTS
33 local VIRTUALDB_FILE
34 local SOURCEDIR
35 local BINDIR
36 local SMAGESCRIPTSDIR
37 local MROOT
38 local PKGSUFFIX
39 local VERBOSE
40 local MAGEDEBUG
41 local ARCH
42 local MAGE_UNINSTALL_TIMEOUT
43 local CHOST
44 local CFLAGS
45 local CXXFLAGS
46 local SMAGE_USE_CCACHE
47 local SMAGE_USE_DISTCC
48 local MAKEOPTS
49 local DISTCC_HOSTS
50 local DISTCC_DIR
51 local DISTCC_VERBOSE
52 local DISTCC_LOG
53 local MIRRORS
54 local RSYNC
55 local SMAGE2RSYNC
56
57 # sanity checks
58 [ -f /etc/mage.rc.global ] && source /etc/mage.rc.global || \
59 die "get_value_from_magefile: /etc/mage.rc.global not found."
60 [ -f ${magerc} ] && source ${magerc} || \
61 die "get_value_from_magefile: ${magerc} not found."
62 [ -z "${var}" ] && die "get_value_from_magefile: \$var not given."
63
64 source ${magerc}
65 eval value=\$$(echo ${var})
66 echo "${value}"
67 }
68
69 add_initrc()
70 {
71 local var="$1"
72
73 # sanity checks
74 [ -z "${MROOT}" ] && die "\$MROOT not given."
75 echo "${var}" >> ${MROOT}/.installrc || die "add_initrc() adding \$var"
76 }
77
78 enter_chroot()
79 {
80 mount -t proc proc ${MROOT}/proc || die "mount proc"
81 mount -o bind /dev ${MROOT}/dev || die "mount dev"
82
83 chroot ${MROOT} /bin/bash -i /.installrc || die "chr00ting"
84
85 umount ${MROOT}/dev ${MROOT}/proc || die "mount proc/dev"
86
87 [ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
88 }
89
90 is_loc_mounted()
91 {
92 local filesys
93 local i
94 filesys=$1
95
96 i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
97 [[ ${i} != ${filesys} ]] && return 1
98
99 return 0
100 }
101
102 trap_exit()
103 {
104 is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
105 is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
106 is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
107 is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
108 echo "bootstrap aborted"
109 exit 1
110 }
111
112 print_usage()
113 {
114 echo "mage-bootstrap, version @VERSION@"
115 echo "Usage: $(basename $0) --opt arg ..."
116 echo
117 echo "Options:"
118 echo " --profile, -p -- select a profile (needed)"
119 echo " --root, -r -- location to new root (needed)"
120 echo " --magerc, -m -- location of mage.rc (needed)"
121 echo
122 echo " --toolchain, -t -- select other toolchain than from profile"
123 echo " --basesystem, -b -- select other basesystem than from profile"
124 echo " --stage1, -s1 -- if set, abort after stage1 (toolchain)"
125 echo " --help, -h -- prints this help"
126 echo
127
128 exit 1
129 }
130
131 # set some proper traps
132 trap "trap_exit" SIGINT SIGQUIT
133
134 # show usage if no opts given
135 [[ -z $* ]] && print_usage
136
137 # very basic getops
138 for i in $*
139 do
140 case $1 in
141 --toolchain|-t) shift; TOOLCHAIN="$1" ;;
142 --basesystem|-b) shift; BASESYSTEM="$1" ;;
143 --profile|-p) shift; PROFILE="$1" ;;
144 --root|-r) shift; MROOT="$1" ;;
145 --stage1|-s1) ABORT_AFTER_STAGE1=true ;;
146 --magerc|-m) shift; MAGERC="$1" ;;
147 --help|-h) print_usage ;;
148 '') shift;;
149 *) echo "Unkown option '$1', use --help or -h to get more info."; exit 1 ;;
150 esac
151 shift
152 done
153
154 # sanity checks; abort if not given
155 [ -z "${MROOT}" ] && die "\$MROOT not given."
156 [ -z "${MAGERC}" ] && die "\$MAGERC not given."
157 [ -z "${PROFILE}" ] && die "\$PROFILE not given."
158
159 # they may be empty, they are included in the profile
160 [ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
161 [[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
162 && echo "\$BASESYSTEM not given, using basesystem from profile."
163
164 # check needed global commands, dirs and files
165 [ ! -d /usr/mage ] && die "/usr/mage does not exists"
166 [ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
167 [ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
168 [ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
169 [ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."
170
171 # install fake-root if not exist
172 [ ! -d ${MROOT} ] && { install -d ${MROOT} || die "create fakedir"; }
173
174 # create a fake dirs and mount them to / of the host system
175 MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
176 MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"
177
178 install -d ${MROOT}/${MY_MAGEDIR} || die "create magedir"
179 install -d ${MROOT}/${MY_PKGDIR} || die "create pkgdir"
180
181 mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} || die "mount magedir"
182 mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} || die "mount pkgdir"
183
184 # link to the right profile
185 ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile || die "link profile"
186
187 # update mage tree
188 MAGERC="${MAGERC}" mage update || die "update mage-tree"
189
190 # now get the toolchain and the basesystem layout file
191 # [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
192 # [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
193 # # read them
194 # TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
195 # BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"
196
197 # this way toolchain and basesystem can be packages;
198 # only if nothing set the layout files from the profile will be taken
199 [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/toolchain.defaults)"
200 [ -z "${BASESYSTEM}" ] && BASESYSTEM="$(< ${MY_MAGEDIR}/profiles/${PROFILE}/basesystem.defaults)"
201
202 # install toolchain
203 CONFIG_PROTECT="-*" MROOT="${MROOT}" MAGERC="${MAGERC}" mage install ${TOOLCHAIN} || die "toolchain install"
204
205 # umount dirs, they are not needed anymore
206 umount ${MY_MAGEDIR} ${MY_PKGDIR} || die "umount mage/pkgdir"
207
208 # copy some needed files to the fake-root
209 install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc || die "install mage.rc"
210 install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf || die "install resolv.conf"
211
212 # abort if wanted
213 if [[ ${ABORT_AFTER_STAGE1} = true ]]
214 then
215 echo "Stage1 complete; user requested to abort after this step."
216 echo "Exiting ..."
217 exit 0
218 fi
219
220 # now create an initrc for the installation of the basesystem
221 :> ${MROOT}/.installrc
222 add_initrc "export MAGE_BOOTSTRAP=true"
223 add_initrc "export HOME=/root"
224 add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
225 add_initrc "export BASESYSTEM=${BASESYSTEM}"
226 add_initrc "export PROFILE=${PROFILE}"
227 add_initrc "export CONFIG_PROTECT=-*"
228 add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"
229
230 # add proxies if defined
231 [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
232 [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
233 [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
234 [[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"
235
236 # install comands
237 add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
238 add_initrc "mage install ${BASESYSTEM}"
239 add_initrc "mage clean"
240
241 # chroot the toolchain
242 enter_chroot
243
244 echo "System bootstrap to '${MROOT}' finished."
245 exit 0

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