454 lines
12 KiB
Bash
454 lines
12 KiB
Bash
#!/bin/bash
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#
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# **inc/ini-config** - Configuration/INI functions
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#
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# Support for manipulating INI-style configuration files
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#
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# These functions have no external dependencies and no side-effects
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# Save trace setting
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INC_CONF_TRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Config Functions
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# ================
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# Append a new option in an ini file without replacing the old value
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# iniadd [-sudo] config-file section option value1 value2 value3 ...
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function iniadd {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="-sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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shift 3
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local values
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values="$(iniget_multiline $file $section $option) $@"
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iniset_multiline $sudo $file $section $option $values
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$xtrace
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}
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# Comment an option in an INI file
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# inicomment [-sudo] config-file section option
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function inicomment {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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$sudo sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file"
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$xtrace
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}
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# Get an option from an INI file
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# iniget config-file section option
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function iniget {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local line
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line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
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echo ${line#*=}
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$xtrace
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}
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# Get a multiple line option from an INI file
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# iniget_multiline config-file section option
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function iniget_multiline {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local values
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values=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { s/^$option[ \t]*=[ \t]*//gp; }" "$file")
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echo ${values}
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$xtrace
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}
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# Determinate is the given option present in the INI file
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# ini_has_option [-sudo] config-file section option
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function ini_has_option {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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local line
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line=$($sudo sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
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$xtrace
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[ -n "$line" ]
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}
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# Add another config line for a multi-line option.
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# It's normally called after iniset of the same option and assumes
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# that the section already exists.
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#
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# Note that iniset_multiline requires all the 'lines' to be supplied
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# in the argument list. Doing that will cause incorrect configuration
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# if spaces are used in the config values.
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#
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# iniadd_literal [-sudo] config-file section option value
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function iniadd_literal {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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local value=$4
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if [[ -z $section || -z $option ]]; then
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$xtrace
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return
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fi
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# Add it
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$sudo sed -i -e "/^\[$section\]/ a\\
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$option = $value
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" "$file"
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$xtrace
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}
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# Remove an option from an INI file
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# inidelete [-sudo] config-file section option
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function inidelete {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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if [[ -z $section || -z $option ]]; then
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$xtrace
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return
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fi
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# Remove old values
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$sudo sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
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$xtrace
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}
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# Set an option in an INI file
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# iniset [-sudo] config-file section option value
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# - if the file does not exist, it is created
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function iniset {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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local sudo_option=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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sudo_option="-sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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local value=$4
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if [[ -z $section || -z $option ]]; then
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$xtrace
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return
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fi
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if ! $sudo grep -q "^\[$section\]" "$file" 2>/dev/null; then
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# Add section at the end
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echo -e "\n[$section]" | $sudo tee --append "$file" > /dev/null
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fi
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if ! ini_has_option $sudo_option "$file" "$section" "$option"; then
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# Add it
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$sudo sed -i -e "/^\[$section\]/ a\\
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$option = $value
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" "$file"
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else
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local sep
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sep=$(echo -ne "\x01")
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# Replace it
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$sudo sed -i -e '/^\['${section}'\]/,/^\[.*\]/ s'${sep}'^\('"${option}"'[ \t]*=[ \t]*\).*$'${sep}'\1'"${value}"${sep} "$file"
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fi
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$xtrace
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}
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# Set a multiple line option in an INI file
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# iniset_multiline [-sudo] config-file section option value1 value2 value3 ...
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function iniset_multiline {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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shift 3
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local values
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for v in $@; do
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# The later sed command inserts each new value in the line next to
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# the section identifier, which causes the values to be inserted in
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# the reverse order. Do a reverse here to keep the original order.
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values="$v ${values}"
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done
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if ! $sudo grep -q "^\[$section\]" "$file"; then
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# Add section at the end
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echo -e "\n[$section]" | $sudo tee --append "$file" > /dev/null
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else
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# Remove old values
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$sudo sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
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fi
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# Add new ones
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for v in $values; do
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$sudo sed -i -e "/^\[$section\]/ a\\
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$option = $v
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" "$file"
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done
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$xtrace
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}
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# Uncomment an option in an INI file
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# iniuncomment config-file section option
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function iniuncomment {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local section=$2
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local option=$3
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$sudo sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file"
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$xtrace
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}
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# Get list of sections from an INI file
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# iniget_sections config-file
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function iniget_sections {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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echo $(sed -ne "s/^\[\(.*\)\]/\1/p" "$file")
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$xtrace
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}
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# Set a localrc var
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function localrc_set {
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local file=$1
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local group="local"
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local conf="localrc"
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local section=""
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local option=$2
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local value=$3
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localconf_set "$file" "$group" "$conf" "$section" "$option" "$value"
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}
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# Check if local.conf has section.
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function localconf_has_section {
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local sep
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sep=$(echo -ne "\x01")
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local line
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/p
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}" "$file")
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[ -n "$line" ]
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}
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# Check if local.conf has option.
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function localconf_has_option {
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local option=$5
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local sep
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sep=$(echo -ne "\x01")
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local line
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if [[ -z "$section" ]]; then
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/${option}[ \t]*=.*$/p
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}" "$file")
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else
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/,/\[\[.*\]\]\|\[.*\]/{
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/${option}[ \t]*=.*$/p}
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}" "$file")
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fi
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[ -n "$line" ]
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}
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# Update option in local.conf.
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function localconf_update_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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if [[ -z "$section" ]]; then
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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s${sep}^\(${option}[ \t]*=[ \t]*\).*\$${sep}\1${value}${sep}
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}" "$file"
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else
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/,/\[\[.*\]\]\|\[.*\]/s${sep}^\(${option}[ \t]*=[ \t]*\).*\$${sep}\1${value}${sep}
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}" "$file"
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fi
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}
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# Add option in local.conf.
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function localconf_add_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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if [[ -z "$section" ]]; then
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep} a $option=$value" "$file"
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else
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/ a $option=$value
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}" "$file"
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fi
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}
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# Add section and option in local.conf.
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function localconf_add_section_and_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep} {
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a [$section]
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a $option=$value
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}" "$file"
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}
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# Set an option in a local.conf file.
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# localconf_set [-sudo] config-file group conf-name section option value
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# - if the file does not exist, it is created
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function localconf_set {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sep
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sep=$(echo -ne "\x01")
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local option=$5
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local value=$6
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if [[ -z $group || -z $conf || -z $option || -z $value ]]; then
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$xtrace
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return
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fi
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if ! grep -q "^\[\[${group}|${conf}\]\]" "$file" 2>/dev/null; then
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# Add meta section at the end if it does not exist
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echo -e "\n[[${group}|${conf}]]" | $sudo tee --append "$file" > /dev/null
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# Add section at the end
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if [[ -n "$section" ]]; then
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echo -e "[$section]" | $sudo tee --append "$file" > /dev/null
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fi
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# Add option at the end
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echo -e "$option=$value" | $sudo tee --append "$file" > /dev/null
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elif [[ -z "$section" ]]; then
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if ! localconf_has_option "$file" "$group" "$conf" "$section" "$option"; then
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# Add option
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localconf_add_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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else
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# Replace it
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localconf_update_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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fi
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elif ! localconf_has_section "$file" "$group" "$conf" "$section"; then
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# Add section and option in specified meta section
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localconf_add_section_and_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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elif ! localconf_has_option "$file" "$group" "$conf" "$section" "$option"; then
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# Add option
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localconf_add_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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else
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# Replace it
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localconf_update_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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fi
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$xtrace
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}
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# Restore xtrace
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$INC_CONF_TRACE
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# Local variables:
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# mode: shell-script
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# End:
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