symset-table

#! /bin/sh

# Create a table of all symbol sets defined in all /boot/symsets*.tar.gz
# files.
#
# Format:
#   kernelrelease/modver/symbol <tab> symset <tab> symset_hash
#
# This table is needed for computing the appropriate Requires: tags for
# kernel module packages.

tmpdir=$(mktemp -t -d ${0##*/}.XXXXXX)
trap "cd / ; rm -rf $tmpdir" EXIT
cd $tmpdir

shopt -s nullglob
for symsets in /boot/symsets-*.tar.gz; do
    zcat $symsets \
    | tar xf -
done

for symsets in /usr/src/kernels/*/symsets-*.tar.gz; do
    zcat $symsets \
    | tar xf -
done

for symsets in *; do
    krel=${symsets#symsets-}
    for symset in $symsets/*; do
	class=${symset##*/} ; class=${class%.*}
	hash=${symset##*.}
	awk '
	BEGIN { FS = "\t" ; OFS = "\t" }
	{ sub(/0x0*/, "", $1)
	  print krel "/" $1 "/" $2, class, hash }
	' krel="$krel" class="$class" hash="$hash" $symset
    done
done

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