87 lines
2.0 KiB
Bash
Executable File
87 lines
2.0 KiB
Bash
Executable File
#!/bin/sh -e
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PROG=mkinitfs
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Fatal()
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{
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echo "$PROG: $*" >&2
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exit 1
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}
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TEMP=
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exit_handler()
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{
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local rc=$?
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trap - EXIT
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[ -z "$TEMP" ] || rm -f -- "$TEMP"
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[ $rc -eq 0 ] || rm -f -- "$OUT"
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exit $rc
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}
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[ -n "$1" ] || Fatal "Usage: mkinitfs outfile"
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OUT="$1"; shift
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trap exit_handler HUP PIPE INT TERM QUIT EXIT
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TEMP=`mktemp -t mkinitfs.XXXXXXXXXX` || Fatal "Failed to create temporary file."
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udevd="/lib/mkinitrd/udev/sbin/udevd"
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[ -x "$udevd" ] && {
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udev_version="$($udevd --version 2>/dev/null)"
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printf '%s\n' "${udev_version:-105}" > udev_version
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} || {
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Fatal "$udevd doesn't exists or not executable"
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}
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(
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cat <<EOF
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dir /dev 0755 0 0
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dir /image 0755 0 0
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dir /proc 0755 0 0
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dir /sys 0755 0 0
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dir /root 0755 0 0
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dir /tmp 0755 0 0
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dir /var 0755 0 0
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dir /var/lock 0755 0 0
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dir /etc 0755 0 0
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dir /etc/modprobe.d 0755 0 0
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dir /etc/terminfo 0755 0 0
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dir /etc/terminfo/l 0755 0 0
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file /etc/terminfo/l/linux /lib/terminfo/l/linux 0644 0 0
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dir /etc/udev 0755 0 0
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dir /lib 0755 0 0
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dir /lib64 0755 0 0
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dir /lib/udev 0755 0 0
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dir /lib/udev/rules.d 0755 0 0
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dir /lib/modules 0755 0 0
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dir /bin 0755 0 0
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file /bin/sh /lib/mkinitrd/klibc/bin/sh 0755 0 0
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file /bin/mount /lib/mkinitrd/klibc/bin/mount 0755 0 0
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file /bin/umount /lib/mkinitrd/klibc/bin/umount 0755 0 0
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file /bin/nfsmount /lib/mkinitrd/klibc/bin/nfsmount 0755 0 0
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dir /sbin 0755 0 0
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file /sbin/modprobe /lib/mkinitrd/module-init-tools/sbin/modprobe 0755 0 0
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file /init init 0755 0 0
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file /.udev_version udev_version 0644 0 0
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EOF
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find /lib/mkinitrd/klibc -xtype f -name klibc\*.so|\
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sed -e 's,^.\+/\([^\/]\+/[^\/]\+\)$,file\t/\1\t&\t0755\t0 0,g'
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find /lib/mkinitrd/udev -type f|\
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sed -e 's,/lib/mkinitrd/udev,,' -e 's,^.\+$,file\t&\t/lib/mkinitrd/udev&\t0755\t0 0,g'
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find /etc/udev/initramfs-rules.d/ -xtype f|\
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sed -e 's,^.\+rules\.d\(.\+\)$,file\t/lib/udev/rules.d\1\t&\t0644\t0 0,g'
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find /etc/modprobe.d/ -type f|\
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sed -e 's,^.\+$,file\t&\t&\t0644\t0 0,g'
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) | `pwd`/gencpio - > "$TEMP"
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gzip -c < "$TEMP" > "$OUT"
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