fix: improve bridge detection in all network interface configuration files (#4413)

* fix: improve bridge detection in all network interface configuration files

* removed comments

* removed last comment line
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Filippo 2025-05-13 18:44:06 +02:00 committed by GitHub
parent 1e7981dbb7
commit 0bd18cc91b
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@ -528,7 +528,37 @@ advanced_settings() {
exit_script
fi
BRIDGES=$( ip link show | grep -oP '(?<=: )vmbr\d+' | sort)
BRIDGES=""
IFACE_FILEPATH_LIST="/etc/network/interfaces"$'\n'$(find "/etc/network/interfaces.d/" -type f)
OLD_IFS=$IFS; IFS=$'\n'
for iface_filepath in ${IFACE_FILEPATH_LIST}; do
iface_indexes_tmpfile=$(mktemp -q -u '.iface-XXXX')
( grep -Pn '^\s*iface' "${iface_filepath}" | cut -d':' -f1 && wc -l "${iface_filepath}" | cut -d' ' -f1 ) | \
awk 'FNR==1 {line=$0; next} {print line":"$0-1; line=$0}' > "${iface_indexes_tmpfile}"
if [ -f "${iface_indexes_tmpfile}" ]; then
while read -r pair; do
start=$(echo "${pair}" | cut -d':' -f1)
end=$(echo "${pair}" | cut -d':' -f2)
if awk "NR >= ${start} && NR <= ${end}" "${iface_filepath}" | grep -qP '^\s*bridge[-_](ports|stp|fd|vlan-aware|vids)\s+'; then
iface_name=$(sed "${start}q;d" "${iface_filepath}" | awk '{print $2}')
BRIDGES="${iface_name}"$'\n'"${BRIDGES}"
fi
done < "${iface_indexes_tmpfile}"
rm -f "${iface_indexes_tmpfile}"
fi
done
IFS=$OLD_IFS
BRIDGES=$(echo "$BRIDGES" | grep -v '^\s*$' | sort | uniq)
if [[ -z "$BRIDGES" ]]; then
BRG="vmbr0"
echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"