56 lines
1.3 KiB
Bash
56 lines
1.3 KiB
Bash
#!/bin/sh
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# make sure we are being run in the right directory...
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if [ -f mkinitramfs ]
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then :
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else
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echo >&2 mkinitramfs must be run from the mdadm source directory.
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exit 1
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fi
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if [ -f /bin/busybox ]
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then : good, it exists
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case `file /bin/busybox` in
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*statically* ) : good ;;
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* ) echo >&2 mkinitramfs: /bin/busybox is not statically linked: cannot proceed.
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exit 1
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esac
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else
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echo >&2 "mkinitramfs: /bin/busybox doesn't exist - please install it statically linked."
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exit 1
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fi
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rm -rf initramfs
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mkdir initramfs
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mkdir initramfs/bin
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make mdadm.static
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cp mdadm.static initramfs/bin/mdadm
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cp /bin/busybox initramfs/bin/busybox
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ln initramfs/bin/busybox initramfs/bin/sh
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cat <<- END > initramfs/init
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#!/bin/sh
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echo 'Auto-assembling boot md array'
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mkdir /proc
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mount -t proc proc /proc
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if [ -n "$rootuuid" ]
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then arg=--uuid=$rootuuid
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elif [ -n "$mdminor" ]
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then arg=--super-minor=$mdminor
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else arg=--super-minor=0
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fi
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echo "Using $arg"
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mdadm -Acpartitions $arg --auto=part /dev/mda
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cd /
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mount /dev/mda1 /root || mount /dev/mda /root
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umount /proc
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cd /root
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exec chroot . /sbin/init < /dev/console > /dev/console 2>&1
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END
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chmod +x initramfs/init
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(cd initramfs
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find init bin | cpio -o -H newc | gzip --best
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) > init.cpio.gz
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rm -rf initramfs
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ls -l init.cpio.gz
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