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https://github.com/pygos/build.git
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77 lines
1.4 KiB
Bash
77 lines
1.4 KiB
Bash
#!/bin/sh
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PATH=/bin
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/bin/busybox --install
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busybox sleep 1
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busybox mount -t proc proc /proc
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busybox mount -t sysfs sysfs /sys
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busybox mount -t devtmpfs none /dev
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root_sfs=""
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root=""
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singleuser=0
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for param in `cat /proc/cmdline`; do
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case $param in
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root=*)
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root="${param##root=}"
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;;
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root_sfs=*)
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root_sfs="${param##root_sfs=}"
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;;
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single*)
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singleuser=1
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;;
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esac
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done
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if [ -z "${root}" ]; then
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echo "No root drive specified!"
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exec /bin/busybox sh
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fi
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if [ -z "${root_sfs}" ]; then
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echo "No squashfs image specified!"
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exec /bin/busybox sh
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fi
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while [ ! -e ${root} ]; do
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echo "Waiting for root"
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busybox sleep 1
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done
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mount ${root} /images
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if [ ! -e /images/${root_sfs} ]; then
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echo "${root_sfs} not found!"
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exec /bin/busybox sh
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exit 1
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fi
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mount -t squashfs /images/${root_sfs} /newroot
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mount -t devtmpfs none /newroot/dev
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mount -t proc proc /newroot/proc
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mount -t sysfs sysfs /newroot/sys
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mount -t tmpfs none /newroot/tmp
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mount -t tmpfs none /newroot/var
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mount -t tmpfs none /newroot/run
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chmod 755 /newroot/var
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mkdir -p /newroot/run/log/journal
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mkdir -p /newroot/var/log/fsck
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mkdir -p /newroot/var/log/nginx
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mkdir -p /newroot/var/log/mpd
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mkdir -p /newroot/var/spool/
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mkdir -p /newroot/var/lib/
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mkdir -p /newroot/var/tmp
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ln -s /run /newroot/var/run
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ln -s /run/lock /newroot/var/lock
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# cleanup mounts
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umount -l /images
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umount -l /dev
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umount /sys
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umount /proc
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exec /bin/busybox switch_root /newroot /bin/bash
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