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58 lines
1.8 KiB
58 lines
1.8 KiB
#!/bin/sh
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#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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chroot_sanity_check() {
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if [ ! -f /var/log/bootstrap.log ]; then
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echo "Do not run this script directly!"
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echo "This is supposed to be run from inside a debootstrap chroot!"
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echo "Aborting."
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exit 1
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fi
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}
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chroot_cleanup() {
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# Read-only root breaks booting via init
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cat >/etc/fstab << EOF
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tmpfs /tmp tmpfs defaults 0 0
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tmpfs /var/log tmpfs defaults 0 0
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tmpfs /var/tmp tmpfs defaults 0 0
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EOF
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# systemd will attempt to re-create this symlink if it does not exist,
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# which fails if it is booting from a read-only root filesystem (which
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# is normally the case). The syslink must be relative, not absolute,
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# and it must point to /proc/self/mounts, not /proc/mounts.
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ln -sf ../proc/self/mounts /etc/mtab
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# Remove contaminants coming from the debootstrap process
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echo vm >/etc/hostname
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echo "nameserver 127.0.0.1" >/etc/resolv.conf
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# Put the helper net_test.sh script into place
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mv /root/net_test.sh /sbin/net_test.sh
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# Make sure the /host mountpoint exists for net_test.sh
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mkdir /host
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# Disable the root password
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passwd -d root
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# Clean up any junk created by the imaging process
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rm -rf /var/lib/apt/lists/* /var/log/bootstrap.log /root/* /tmp/*
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find /var/log -type f -exec rm -f '{}' ';'
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}
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