mirror of https://gitee.com/openkylin/dkms.git
94 lines
2.3 KiB
Bash
Executable File
94 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# heavily based upon find-suggests.ksyms by Andreas Gruenbacher <agruen@suse.de>.
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# with modifications by Michael Brown <Michael_E_Brown@dell.com>
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#
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# -- added module versioning info to modalias() symbols
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# -- removed code which inspects spec files.
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IFS=$'\n'
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print_modaliases() {
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declare class=$1 variants=$2 pos=$3
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if [ -n "$variants" ]; then
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echo "${class:0:pos}[$variants]${class:pos+1}"
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else
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[ -z "$class" ] || echo "$class"
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fi
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}
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combine_modaliases() {
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declare tag class variants pos n
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read class
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while read tag; do
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for ((n=0; n<${#class}; n++)); do
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if [ "*" != "${class:n:1}" -a \
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"${class:0:n}" = "${tag:0:n}" -a \
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"${class:n+1}" = "${tag:n+1}" ] &&
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( [ -z "$pos" ] || [ $n = $pos ] ); then
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variants="${variants:-${class:n:1}}${tag:n:1}"
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pos=$n
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break
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fi
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done
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if [ $n -eq ${#class} ]; then
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print_modaliases "$class" "$variants" "$pos"
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variants=
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pos=
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class=$tag
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fi
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done
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print_modaliases "$class" "$variants" "$pos"
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}
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get_modinfo() {
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module=$1
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# | head -n1 because some modules have *two* version tags. *cough*b44*cough*
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modver=$(/sbin/modinfo -F version "$module"| head -n1)
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modver=${modver// /_}
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# only add version tag if it has a version
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if [ -n "$modver" ]; then
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/sbin/modinfo -F alias "$module" \
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| sed -nre "s,(.+),modalias(\\1) = $modver,p"
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else
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/sbin/modinfo -F alias "$module" \
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| sed -nre "s,(.+),modalias(\\1),p"
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fi
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}
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tmp=${TMPDIR:-/tmp}
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TMPDIR=$(mktemp -d ${tmp}/dkms-findprovides-$$-$RANDOM-XXXXXX)
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trap "rm -rf $TMPDIR >/dev/null 2>&1" QUIT EXIT HUP INT TERM
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modlist=
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for cand in $(grep -E '(/lib/modules/.+\.ko$|tgz$|tbz$|tar\.(gz|bz2|xz)$)') $*; do
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if echo $cand | grep -q -E '/lib/modules/.+\.ko$' > /dev/null 2>&1; then
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modlist="$modlist $cand"
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fi
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[ -f $cand ] || continue
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opts=x
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if gzip -t $cand >/dev/null 2>&1; then
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opts=${opts}z
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elif bzip2 -t $cand >/dev/null 2>&1; then
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opts=${opts}j
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elif xz -t $cand >/dev/null 2>&1; then
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opts=${opts}J
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fi
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tar ${opts}f $cand -C $TMPDIR > /dev/null 2>&1
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done
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for module in $(find $TMPDIR -name \*.ko) $modlist; do
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if echo $module | grep -q -E '.ko$' >/dev/null 2>&1; then
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# it is a straight module
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get_modinfo $module
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continue
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fi
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done \
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| sort -u \
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| combine_modaliases
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