kernel-firmware/make-files.sh
2024-11-20 12:41:08 +00:00

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#!/bin/sh
#
# Read WHENCE from stdin create files-xxx for each topic
#
# usage: make-files.sh [-v] topics.list DESTDIR < WHENCE
#
verbose=:
if [ x"$1" = x"-v" ]; then
verbose=echo
shift
fi
topics="$1"
DESTDIR="$2"
fwdir=${3:-/lib/firmware}
dest=$DESTDIR/$fwdir
do_compress=1
if [ -n "$do_compress" ]; then
cext=".xz"
else
cext=""
fi
make_dirs () {
local f="$1"
local d=$(dirname "$f")
if [ "$d" != "." ]; then
while true; do
if ! grep -q '%dir '"$fwdir/$d"'$' files-$topic; then
echo "%dir $fwdir/$d" >> files-$topic
fi
case "$d" in
*/*) d=${d%/*};;
*) break;;
esac
done
fi
}
add_file () {
local f="$1"
make_dirs "$f"
if [ -e "$dest/$f" ]; then
echo "\"$fwdir/$f\"" >> files-$topic
else
echo "\"$fwdir/$f$cext\"" >> files-$topic
fi
}
sub="xxx"
while read l; do
test -z "$l" && continue
case "$l" in
----*)
sub=""
topic=""
;;
Driver:*)
test -n "$sub" && continue
sub=$(echo "$l" | sed -e's/Driver: *//' -e's/[ :].*$//')
m=$(grep -m1 "^$sub": "$topics" | sed -e's/^.*:[[:space:]]*//')
test -z "$m" && continue
set -- $m
topic="$1"
if [ "$topic" = "SKIP" ]; then
continue
fi
$verbose "Switching to topic $topic"
if [ -n "$topic" ]; then
if [ ! -s files-$topic ]; then
echo "%dir $fwdir" > files-$topic
fi
fi
;;
File:*|RawFile:*)
test "$topic" = "SKIP" && continue
if [ -z "$topic" ]; then
echo "ERROR: no topic found for $l"
exit 1
fi
f=$(echo "$l" | sed -e's/^File: *//' -e's/^RawFile: *//' -e's/"//g' -e's/\\//g')
case "$f" in
*/README*)
continue;;
esac
add_file "$f"
;;
Link:*)
test "$topic" = "SKIP" && continue
if [ -z "$topic" ]; then
echo "ERROR: no topic found for $l"
exit 1
fi
f=$(echo "$l" | sed -e's/^Link: *//' -e's/ *->.*$//' -es'/\\//g')
add_file "$f"
;;
esac
done
exit 0