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49 lines
1.1 KiB
49 lines
1.1 KiB
#!/bin/sh
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umask 022
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set -e
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if [ "$(id -u)" != "0" ]; then
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echo "Please run this script as root" 1>&2
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exit 1
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fi
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if [ ! "$rocket" ]; then
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echo 'Please set the $rocket variable' 1>&2
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exit 1
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fi
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rocket="$(realpath "$rocket")"
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checkmount() {
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local point="$(eval echo \${$#})"
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if cut -d' ' -f2 /proc/mounts | grep "$point" > /dev/null; then
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true
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else
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mount $@
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fi
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}
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mkdir -p "$rocket/dev" "$rocket/proc" "$rocket/sys" "$rocket/run"
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checkmount --bind /dev "$rocket/dev"
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checkmount -t devpts devpts "$rocket/dev/pts"
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checkmount -t proc proc "$rocket/proc"
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checkmount -t tmpfs tmpfs "$rocket/run"
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if [ -h "$rocket/dev/shm" ]; then
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mkdir -p "$rocket/$(readlink "$rocket/dev/shm")"
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fi
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mkdir -p "$rocket/etc"
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cp /etc/resolv.conf "$rocket/etc/resolv.conf"
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chroot "$rocket" /tools/bin/env -i \
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HOME=/root \
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TERM="$TERM" \
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PS1="(buildenv) \u:\w \$ " \
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PATH=/bin:/sbin:/usr/bin:/usr/sbin:/tools/bin \
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MAKEFLAGS="$MAKEFLAGS" \
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/tools/bin/ash -l
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umount "$rocket/dev/pts"
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umount "$rocket/dev"
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umount "$rocket/proc"
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umount "$rocket/run"
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