Contents of /alx-src/trunk/alxinstall-ng/functions/generic.sh
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Revision 6836 -
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Thu Jul 23 12:28:53 2015 UTC (8 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 2025 byte(s)
Thu Jul 23 12:28:53 2015 UTC (8 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 2025 byte(s)
-renamed INSTALLPATH variable to INSTALL_ROOT
| 1 | #!/bin/bash |
| 2 | # $Id$ |
| 3 | |
| 4 | addconfig() |
| 5 | { |
| 6 | local opts |
| 7 | |
| 8 | if [[ -z ${CONFIG} ]] |
| 9 | then |
| 10 | echo "You must define \$CONFIG varibale first!" |
| 11 | return 1 |
| 12 | fi |
| 13 | |
| 14 | if [[ ! -d $(dirname ${CONFIG}) ]] |
| 15 | then |
| 16 | install -d $(dirname ${CONFIG}) |
| 17 | fi |
| 18 | |
| 19 | # check for opts |
| 20 | case $1 in |
| 21 | -n) shift; opts=" -n" ;; |
| 22 | -e) shift; opts=" -e" ;; |
| 23 | esac |
| 24 | |
| 25 | echo ${opts} "$@" >> ${CONFIG} |
| 26 | } |
| 27 | |
| 28 | clearconfig() |
| 29 | { |
| 30 | if [[ -z ${CONFIG} ]] |
| 31 | then |
| 32 | echo "You must define \$CONFIG varibale first!" |
| 33 | return 1 |
| 34 | fi |
| 35 | |
| 36 | if [[ ! -d $(dirname ${CONFIG}) ]] |
| 37 | then |
| 38 | install -d $(dirname ${CONFIG}) |
| 39 | fi |
| 40 | : > ${CONFIG} |
| 41 | } |
| 42 | |
| 43 | is_loc_mounted() |
| 44 | { |
| 45 | local mountpoint |
| 46 | local i |
| 47 | mountpoint=$1 |
| 48 | |
| 49 | i="$(cat /proc/mounts | grep " ${mountpoint} " | cut -d ' ' -f2)" |
| 50 | [[ ${i} != ${mountpoint} ]] && return 1 |
| 51 | |
| 52 | return 0 |
| 53 | } |
| 54 | |
| 55 | trap_exit() |
| 56 | { |
| 57 | [[ -n ${SWAPHDD} ]] && swapoff ${SWAPHDD} |
| 58 | is_loc_mounted "${INSTALL_ROOT}/dev" && umount ${INSTALL_ROOT}/dev |
| 59 | is_loc_mounted "${INSTALL_ROOT}/proc" && umount ${INSTALL_ROOT}/proc |
| 60 | is_loc_mounted "${INSTALL_ROOT}/sys" && umount ${INSTALL_ROOT}/sys |
| 61 | is_loc_mounted "${INSTALL_ROOT}/boot" && umount ${INSTALL_ROOT}/boot |
| 62 | is_loc_mounted "${INSTALL_ROOT}" && umount ${INSTALL_ROOT} |
| 63 | echo "installation aborted" |
| 64 | exit 1 |
| 65 | } |
| 66 | |
| 67 | enter_chroot() |
| 68 | { |
| 69 | local cmd="$@" |
| 70 | |
| 71 | is_loc_mounted "${INSTALL_ROOT}/proc" || mount -t proc proc ${INSTALL_ROOT}/proc |
| 72 | is_loc_mounted "${INSTALL_ROOT}/sys" || mount -t sysfs sysfs ${INSTALL_ROOT}/sys |
| 73 | is_loc_mounted "${INSTALL_ROOT}/dev" || mount -o bind /dev ${INSTALL_ROOT}/dev |
| 74 | |
| 75 | chroot ${INSTALL_ROOT} ${cmd} || die "enter_chroot() '${INSTALL_ROOT}' '${cmd}'" |
| 76 | |
| 77 | is_loc_mounted "${INSTALL_ROOT}/dev" && umount ${INSTALL_ROOT}/dev |
| 78 | is_loc_mounted "${INSTALL_ROOT}/sys" && umount ${INSTALL_ROOT}/sys |
| 79 | is_loc_mounted "${INSTALL_ROOT}/proc" && umount ${INSTALL_ROOT}/proc |
| 80 | } |
| 81 | |
| 82 | enter_chroot_installrc() |
| 83 | { |
| 84 | [ -f ${INSTALL_ROOT}/.installrc ] || die "enter_chroot_installrc() ${INSTALL_ROOT}/.installrc missing" |
| 85 | enter_chroot /bin/bash -i /.installrc || die "enter_chroot_installrc() run" |
| 86 | [ -f ${INSTALL_ROOT}/.installrc ] && rm ${INSTALL_ROOT}/.installrc |
| 87 | } |