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59 lines
1.3 KiB
59 lines
1.3 KiB
# $conffiles is a list of patters of the form
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# ^[XO-] <pattern> [<value>]
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# X means enable, O disable, and - removes it
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# pattern can use '*' as a wildcard for [^ #]
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# optionaly can set a value different that y
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apply_conffiles() {
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local f x;
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rm -f /tmp/$$.sed
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for f in $conffiles; do if [ -f "$f" ]; then
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while read a c v; do
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x="${c//\\*/[^ #]*}"
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x="^\(# \)\?\($x\)[= ].*\$"
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# value
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if [ -z "$v" ]; then
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v='y'
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fi
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case "$a" in
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X) echo "apply_conffiles: rule $c=$v."
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echo "s,$x,\2=$v,g" >> /tmp/$$.sed
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;;
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O) echo "apply_conffiles: rule unset $c."
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echo "s,$x,# \2 is not set,g" >> /tmp/$$.sed
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;;
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-) echo "apply_conffiles: rule remove $c."
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echo "s,$x,,g" >> /tmp/$$.sed
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;;
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*)
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echo "apply_conffiles: bad rule $a $c $v"
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;;
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esac
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done < <( cat $f );
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fi ; done
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sed -f /tmp/$$.sed .config > $1
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rm /tmp/$$.sed
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}
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# get default config, and filter considering <n>
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# levels, because new options can appear and other disappear
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auto_config() {
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local j=1 n="${1:-1}"
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# defconfig
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eval "$MAKE defconfig $makeopt"
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cp -v .config .config.$j
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j=2 ; for (( i=1 ; i<n ; i++, j++ )) {
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apply_conffiles .config.$j
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cp -v .config.$j .config
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eval "$MAKE oldconfig $makeopt"
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(( j++ )) ; cp -v .config .config.$j
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}
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# second round
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apply_conffiles .config.$j
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cp -v .config.$j .config
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}
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