modalias.prov: change interpreter to /bin/bash -efu
* modalias.prov: Chnge interpreter from "/bin/sh" to "/bin/bash" because it uses bashisms; add "-efu" flags to keep things in check; initialise is_kernel_package variable; check for presence of /sbin/modinfo, sed, and sort. (combine_modaliases): Initialise the "variants" and "pos" variables. Resolves: #2002887 Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
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@ -1,4 +1,4 @@
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#! /bin/sh
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#! /bin/bash -efu
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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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@ -14,7 +14,8 @@ IFS=$'\n'
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# completeness, so that we can determine when drivers are folded into
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# mainline kernel.
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#
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case "$1" in
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is_kernel_package=""
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case "${1:-}" in
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kernel-module-*) ;; # Fedora kernel module package names start with
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# kernel-module.
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kernel*) is_kernel_package=1 ;;
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@ -25,6 +26,11 @@ if ! [ -z "$is_kernel_package" ]; then
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exit 0
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fi
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# Check for presence of the commands used
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which /sbin/modinfo >/dev/null || exit 0
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which sed >/dev/null || exit 0
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which sort >/dev/null || exit 0
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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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@ -35,7 +41,7 @@ print_modaliases() {
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}
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combine_modaliases() {
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declare tag class variants pos n
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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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