48 lines
1.5 KiB
Bash
Executable File
48 lines
1.5 KiB
Bash
Executable File
#/bin/bash
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# Simple script that creates the tree to use for a new initrd
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# note that this is not intended to be pretty, nice or anything
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# of the sort. the important thing is working
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source /usr/libexec/initrd-functions
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INITRDOUT=$1
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if [ -z "$INITRDOUT" ]; then
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echo "Please specify an initrd file to output"
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exit 1
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fi
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tmpdir=$(mktemp -d)
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# executables that we have to have
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exe="/bin/bash /bin/mount /bin/mknod /bin/mkdir /sbin/modprobe /sbin/udevd /sbin/udevadm /sbin/nash /bin/kill /sbin/pidof /bin/sleep"
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# and some things that are nice for debugging
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debugexe="/bin/ls /bin/cat /bin/ln /bin/ps /bin/grep /usr/bin/less"
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# udev things we care about
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udevexe="/lib/udev/vol_id"
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# install base files
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for binary in $exe $debugexe $udevexe ; do
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inst $binary $tmpdir
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done
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# FIXME: would be nice if we didn't have to know which rules to grab....
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mkdir -p $tmpdir/lib/udev/rules.d
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for rule in /lib/udev/rules.d/40-redhat* /lib/udev/rules.d/60-persistent-storage.rules /lib/udev/rules.d/61*edd* /lib/udev/rules.d/64* /lib/udev/rules.d/80* /lib/udev/rules.d/95* rules.d/*.rules ; do
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cp -v $rule $tmpdir/lib/udev/rules.d
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done
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# install our files
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cp -v init $tmpdir/init
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cp -v switch_root $tmpdir/sbin/switch_root
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# FIXME: and some directory structure
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mkdir -p $tmpdir/etc $tmpdir/proc $tmpdir/sys $tmpdir/sysroot
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# FIXME: we don't install modules right now, but for the testing we're doing
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# everything is already built-in
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pushd $tmpdir >/dev/null
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find . |cpio -H newc -o |gzip -9 > $INITRDOUT
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popd >/dev/null
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