331 lines
7.8 KiB
Bash
331 lines
7.8 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=$3
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shift 3
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local values="$(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 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 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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$xtrace
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[ -n "$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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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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if ! 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 "$file" "$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 an option in a conf file
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# confset [-sudo] config-file option value
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# - if the file does not exist, it is created
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function confset {
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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 option=$2
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local value=$3
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if ! grep -q "^$option" "$file" 2>/dev/null; then
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echo -e "\n$option = $value\n" | $sudo tee --append "$file" > /dev/null
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else
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$sudo sed -i -e 's/^'$option'.*$/'$option' = '$value'/g' $file
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fi
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$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 ! 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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## Remove all comments in a file
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function iniremcomment {
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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=$1
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local tpfile="$(mktemp)"
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$sudo grep -v "^\#" $1 | sed '/^$/N;/^\n$/D' > $tpfile
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$sudo cp $tpfile $1
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$sudo rm -rf $tmpfile
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$xtrace
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}
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function parse_yaml {
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local prefix=$2
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local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
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sed -ne "s|^\($s\):|\1|" \
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-e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
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-e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $1 |
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awk -F$fs '{
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indent = length($1)/2;
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vname[indent] = $2;
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for (i in vname) {if (i > indent) {delete vname[i]}}
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if (length($3) > 0) {
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vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
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printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
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}
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}'
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}
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# Restore xtrace
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$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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