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