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Update alpine-install.func

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This commit is contained in:
CanbiZ 2025-05-07 09:27:54 +02:00
parent fe6893d50a
commit 10c418ef47
1 changed files with 11 additions and 13 deletions
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24
misc/alpine-install.func
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@ -98,26 +98,24 @@ msg_error() {
setting_up_container() { setting_up_container() {
msg_info "Setting up Container OS" msg_info "Setting up Container OS"
# Apply udhcpc.conf DNS override patch if Alpine # Check if a non-default DNS is configured in /etc/resolv.conf
DNS=$(grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | head -n1)
CONFIG_FILE="/etc/udhcpc/udhcpc.conf" CONFIG_FILE="/etc/udhcpc/udhcpc.conf"
# Extract any configured DNS server from /etc/network/interfaces # Patch only if DNS is set and not 127.0.0.1
CUSTOM_DNS=$(grep -E '^ *dns-nameservers' /etc/network/interfaces 2>/dev/null | awk '{print $2}') if [ -n "$DNS" ] && [ "$DNS" != "127.0.0.1" ]; then
# Only patch if DNS is set and not 'host'
if [ -n "$CUSTOM_DNS" ] && [ "$CUSTOM_DNS" != "host" ]; then
# Remove all RESOLV_CONF= lines (active or commented) # Remove all RESOLV_CONF= lines (active or commented)
sed -i '/^#*RESOLV_CONF="/d' "$CONFIG_FILE" sed -i '/^#*RESOLV_CONF="/d' "$CONFIG_FILE"
# Rebuild file with single correct entry after header # Rebuild file with single correct entry after header
awk ' awk '
/^# Do not overwrite \/etc\/resolv\.conf/ { /^# Do not overwrite \/etc\/resolv\.conf/ {
print print
print "RESOLV_CONF=\"no\"" print "RESOLV_CONF=\"no\""
next next
} }
{ print } { print }
' "$CONFIG_FILE" >"${CONFIG_FILE}.tmp" && mv "${CONFIG_FILE}.tmp" "$CONFIG_FILE" ' "$CONFIG_FILE" >"${CONFIG_FILE}.tmp" && mv "${CONFIG_FILE}.tmp" "$CONFIG_FILE"
fi fi
while [ $i -gt 0 ]; do while [ $i -gt 0 ]; do