1 | #!/bin/sh |
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2 | |
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3 | # Usage: make-chroot SUITE ARCH |
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4 | |
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5 | # Constructs a chroot environment for the Debian/Ubuntu version SUITE |
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6 | # and architecture ARCH, and sets up schroot configuration for it. |
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7 | # Assumes an approx cache is running at localhost:9999. |
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8 | |
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9 | DEBUG=0 |
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10 | BZ2=0 |
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11 | TYPE=overlayfs |
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12 | while getopts 'dzot' opt; do |
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13 | case "$opt" in |
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14 | d) |
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15 | DEBUG=1 |
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16 | set -x |
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17 | ;; |
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18 | z) |
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19 | BZ2=1;; |
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20 | o) |
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21 | TYPE=overlayfs;; |
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22 | t) |
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23 | TYPE=tar;; |
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24 | esac |
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25 | done |
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26 | shift $((OPTIND-1)) |
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27 | |
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28 | if [ $BZ2 -eq 1 ] && [ "$TYPE" != "tar" ]; then |
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29 | echo "-z is meaningless if not using a tar chroot and will be ignored" >&2 |
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30 | fi |
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31 | |
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32 | if [ -z "$1" ] || [ -z "$2" ]; then |
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33 | echo "Usage: $0 <suite> <arch>" >&2 |
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34 | exit 1 |
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35 | fi |
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36 | |
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37 | set -e |
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38 | |
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39 | : ${VG=/dev/builder} |
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40 | : ${CHROOTDIR=/srv} |
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41 | : ${MIRRORHOST=localhost:9999} |
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42 | : ${DATA="/usr/share/debathena-build-server"} |
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43 | if [ ! -d "$DATA" ]; then |
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44 | DATA="$(dirname "$0")" |
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45 | echo "WARNING: Falling back to DATA=$DATA" >&2 |
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46 | fi |
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47 | SUITE=$1 |
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48 | ARCH=$2 |
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49 | CHROOT="${SUITE}-${ARCH}-sbuild" |
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50 | DEVICE="$VG/$CHROOT" |
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51 | FILE="$CHROOTDIR"/"$CHROOT".tar |
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52 | [ $BZ2 -eq 1 ] && FILE="${FILE}.bz2" |
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53 | SIZE=4G |
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54 | |
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55 | exittrap() { :; } |
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56 | for sig in 1 2 13 15; do trap "exit $(($sig + 128))" $sig; done |
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57 | trap 'exittrap' EXIT |
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58 | |
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59 | if fgrep -qxRs "[$CHROOT]" /etc/schroot/schroot.conf /etc/schroot/chroot.d; then |
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60 | echo "Chroot $CHROOT config already exists." >&2 |
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61 | exit 1 |
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62 | fi |
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63 | if [ "$TYPE" = "tar" ] && [ -e "$FILE" ]; then |
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64 | echo "Chroot tarball $FILE already exists." >&2 |
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65 | exit 1 |
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66 | fi |
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67 | |
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68 | if [ "$TYPE" = "overlayfs" ] && lvdisplay $DEVICE > /dev/null 2>&1; then |
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69 | echo "LV $DEVICE already exists." >&2 |
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70 | exit 1 |
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71 | fi |
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72 | |
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73 | if [ -d /etc/schroot/chroot.d ]; then |
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74 | CONF=/etc/schroot/chroot.d/$CHROOT |
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75 | else |
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76 | CONF=/etc/schroot/schroot.conf |
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77 | fi |
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78 | |
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79 | if [ "$ARCH" = "i386" ]; then |
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80 | PERSONALITY=linux32 |
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81 | elif [ "$ARCH" = "amd64" ]; then |
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82 | PERSONALITY=linux |
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83 | else |
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84 | echo "Unrecognized architecture $ARCH." >&2 |
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85 | exit 1 |
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86 | fi |
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87 | |
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88 | SOURCESD="$DATA/sources.list.d" |
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89 | if [ -e "$SOURCESD/debian/$SUITE.list" ]; then |
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90 | SOURCES="$SOURCESD/debian/$SUITE.list" |
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91 | MIRROR="http://$MIRRORHOST/debian" |
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92 | elif [ -e "$SOURCESD/ubuntu/$SUITE.list" ]; then |
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93 | SOURCES="$SOURCESD/ubuntu/$SUITE.list" |
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94 | MIRROR="http://$MIRRORHOST/ubuntu" |
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95 | else |
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96 | echo "Unrecognized suite $SUITE. (Did you create the sources.list file?)" >&2 |
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97 | exit 1 |
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98 | fi |
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99 | |
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100 | if [ "$TYPE" = "overlayfs" ]; then |
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101 | lvcreate --size "$SIZE" --name "$CHROOT" "$VG" |
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102 | mkfs.ext3 "$DEVICE" |
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103 | tune2fs -c 0 -i 0 "$DEVICE" |
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104 | fi |
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105 | |
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106 | exittrap() { |
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107 | if [ $DEBUG -ne 1 ]; then |
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108 | rm -rf "$TMPDIR" || : |
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109 | else |
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110 | echo "DEBUG MODE: Clean up $TMPDIR by hand!" |
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111 | fi |
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112 | } |
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113 | TMPDIR=$(mktemp -d /var/tmp/make-chroot.XXXXXX) |
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114 | if [ "$TYPE" = "overlayfs" ]; then |
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115 | TARGET="$TMPDIR" |
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116 | mount "$DEVICE" "$TARGET" |
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117 | else |
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118 | TARGET="$TMPDIR/root" |
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119 | SCRIPTCFG="debathena/config" |
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120 | fi |
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121 | debootstrap --variant=buildd --include=apt,apt-utils,gnupg,build-essential,fakeroot --arch "$ARCH" "$SUITE" "$TARGET" "$MIRROR" |
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122 | install -m a=rx,u+w "$DATA/policy-rc.d" "$TARGET/usr/sbin/" |
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123 | mkdir -p "$TARGET/dev/pts" |
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124 | # /dev/shm is a symlink to /run/shm on modern distros |
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125 | # So if it's not a symlink, then mkdir (and fail if it's something |
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126 | # that's not a symlink or a directory) and we have to use an schroot |
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127 | # config that bind-mounts /run/shm instead of /dev/shm |
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128 | if [ -L "$TARGET/dev/shm" ] && |
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129 | [ "$(readlink "$TARGET/dev/shm")" = "/run/shm" ]; then |
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130 | SCRIPTCFG="debathena/config-slash-run" |
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131 | else |
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132 | mkdir -p "$TARGET/dev/shm" |
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133 | fi |
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134 | mkdir -p "$TARGET/afs" |
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135 | mkdir -p "$TARGET/mit" |
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136 | if [ "$TYPE" = "overlayfs" ]; then |
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137 | umount "$TARGET" |
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138 | rmdir "$TARGET" |
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139 | else |
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140 | TAROPTS="cf" |
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141 | [ $BZ2 -eq 1 ] && TAROPTS="cjf" |
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142 | (cd "$TMPDIR" && tar "$TAROPTS" "$FILE" --numeric-owner root) |
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143 | rm -rf "$TMPDIR" |
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144 | fi |
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145 | exittrap() { :; } |
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146 | |
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147 | ! [ -s "$CONF" ] || echo >> "$CONF" |
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148 | if [ "$TYPE" = "overlayfs" ]; then |
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149 | cat >> "$CONF" <<EOF |
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150 | [$CHROOT] |
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151 | type=block-device |
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152 | union-type=overlayfs |
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153 | description=$CHROOT |
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154 | groups=root,sbuild |
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155 | root-groups=root,sbuild |
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156 | source-groups=root |
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157 | script-config=$SCRIPTCFG |
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158 | device=$DEVICE |
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159 | personality=$PERSONALITY |
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160 | EOF |
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161 | else |
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162 | cat >> "$CONF" <<EOF |
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163 | [$CHROOT] |
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164 | type=file |
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165 | description=$CHROOT |
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166 | groups=root,sbuild |
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167 | root-groups=root,sbuild |
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168 | source-groups=root |
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169 | script-config=$SCRIPTCFG |
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170 | file=$FILE |
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171 | location=/root |
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172 | personality=$PERSONALITY |
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173 | EOF |
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174 | fi |
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175 | |
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176 | schroot --chroot="${CHROOT}-source" --directory=/ -- /bin/sh -xe - \ |
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177 | 8< "$SOURCES" \ |
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178 | 9< "$DATA/debathena-archive.asc" \ |
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179 | <<EOF |
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180 | #/debootstrap/debootstrap --second-stage |
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181 | dpkg-divert --local --rename --add /sbin/initctl |
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182 | ln -s /bin/true /sbin/initctl |
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183 | debconf-set-selections <<SELECTIONS |
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184 | debconf debconf/frontend select Noninteractive |
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185 | SELECTIONS |
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186 | sed "s|MIRRORHOST|$MIRRORHOST|" <&8 > /etc/apt/sources.list |
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187 | ! type apt-key >/dev/null || apt-key add - <&9 |
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188 | apt-get -q -y update |
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189 | apt-get -q -y dist-upgrade |
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190 | EOF |
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