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RetroDECK/usr/bin/batocera-settings
XargonWan 67f387b5a4 First upload
2022-03-14 12:01:23 +01:00

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#!/bin/bash
# batocera-settings can mimic batoceraSettings.py
# goal: abolish this python script, it's useless for the sake of the load feature only
# get a more user friendly environment for setting, getting and saving keys
#
# Usage of BASE COMMAND:
# longform: <filename> --command <cmd> --key <key> --value <value>
#
# shortform: <file> <cmd> <key> <value>
#
# --command load write enable disable status
# --key any key in emuelec.conf (kodi.enabled...)
# --value any alphanumerical string
# use quotation marks to avoid globbing use slashes escape special characters
# This script reads only 1st occurrence if string and writes only to this first hit
#
# This script uses #-Character to comment values
#
# If there is a boolean value (0,1) then then enable and disable command will set the corresponding
# boolean value.
# Examples:
# 'batocera-settings --command load --key wifi.enabled' will print out 0 or 1
# 'batocera-settings --command write --key wifi.ssid -value "This is my NET"' will set 'wlan.ssid=This is my NET'
# 'batocera-settings enable wifi.ssid' will remove # from configfile (activate)
# 'batocera-settings disable wifi.enabled' will set key wifi.enabled=0
# 'botocera-settings /myown/config.file --command status --key my.key' will output status of own config.file and my.key
# by cyperghost - 2019/12/30
##### INITS #####
# If we are on Steam Deck
arch=$(cat /storage/.config/.OS_ARCH)
if [ $arch == "DECK" ];then
INSTALL_DIR="~/retrodeck"
BATOCERA_CONFIGFILE=$INSTALL_DIR+"/storage/.config/distribution/configs/distribution.conf"
COMMENT_CHAR_SEARCH="[#|;]"
COMMENT_CHAR="#"
##### INITS #####
##### Function Calls #####
function get_config() {
#Will search for key.value and #key.value for only one occurrence
#If the character is the COMMENT CHAR then set value to it
#Otherwise strip till the equal-char to obtain value
local val
local ret
val="$(grep -E -m1 "^\s*$1\s*=" $BATOCERA_CONFIGFILE)"
ret=$?
if [[ $ret -eq 1 ]]; then
val="$(grep -E -m1 "^$COMMENT_CHAR_SEARCH\s*$1\s*=" $BATOCERA_CONFIGFILE)"
ret=$?
[[ $ret -eq 0 ]] && val=$COMMENT_CHAR
else
#Maybe here some finetuning to catch key.value = ENTRY without blanks
val="${val#*=}"
fi
echo "$val"
return $ret
}
function set_config() {
#Will search for first key.name at beginning of line and write value to it
sed -i "1,/^\(\s*$1\s*=\).*/s//\1$2/" "$BATOCERA_CONFIGFILE"
}
function uncomment_config() {
#Will search for first Comment Char at beginning of line and remove it
sed -i "1,/^$COMMENT_CHAR_SEARCH\(\s*$1\)/s//\1/" "$BATOCERA_CONFIGFILE"
}
function comment_config() {
#Will search for first key.name at beginning of line and add a comment char to it
sed -i "1,/^\(\s*$1\)/s//$COMMENT_CHAR\1/" "$BATOCERA_CONFIGFILE"
}
function check_argument() {
# This method does not accept arguments starting with '-'.
if [[ -z "$2" || "$2" =~ ^- ]]; then
echo >&2
echo "ERROR: '$1' is missing an argument." >&2
echo >&2
echo "Just type '$0' to see usage page." >&2
echo >&2
return 1
fi
}
function dash_style() {
#This function is needed to "simulate" the python script with single dash
#commands. It will also accept the more common posix double dashes
#Accept dashes and double dashes and build new array ii with parameter set
#The else-branch can be used for the shortform
for i in --command --key --value; do
if [[ -z "$1" ]]; then
continue
elif [[ "$i" =~ ^-{0,1}"${1,,}" ]]; then
check_argument $1 $2
[[ $? -eq 0 ]] || exit 1
ii+=("$2")
shift 2
else
ii+=("$1")
shift 1
fi
done
}
function usage() {
val=" Usage of BASE COMMAND:
<file> --command <cmd> --key <key> --value <value>
shortform: <file> <cmd> <key> <value>
--command load write enable disable status
--key any key in emuelec.conf (kodi.enabled...)
--value any alphanumerical string
use quotation marks to avoid globbing
For write command --value <value> must be provided
exit codes: exit 0 = value is available, proper exit
exit 1 = general error
exit 2 = file error
exit 10 = value found, but empty
exit 11 = value found, but not activated
exit 12 = value not found
If you don't set a filename then default is '~/storage/.config/distribution.conf'"
echo "$val"
}
##### Function Calls #####
##### MAIN FUNCTION #####
function main() {
#Filename parsed?
if [[ -f "$1" ]]; then
BATOCERA_CONFIGFILE="$1"
shift
else
[[ -f "$BATOCERA_CONFIGFILE" ]] || { echo "not found: $BATOCERA_CONFIGFILE" >&2; exit 2; }
fi
#How much arguments are parsed, up to 6 then it is the long format
#up to 3 then it is the short format
if [[ ${#@} -eq 0 || ${#@} -gt 6 ]]; then
usage
exit 1
else
dash_style "$@"
command="${ii[0]}"
keyvalue="${ii[1]}"
newvalue="${ii[2]}"
unset ii
fi
[[ -z $keyvalue ]] && { echo "error: Please provide a proper keyvalue" >&2; exit 1; }
# value processing, switch case
case "${command,,}" in
"read"|"get"|"load")
val="$(get_config $keyvalue)"
ret=$?
[[ "$val" == "$COMMENT_CHAR" ]] && exit 11
[[ -z "$val" && $ret -eq 0 ]] && exit 10
[[ -z "$val" && $ret -eq 1 ]] && exit 12
[[ -n "$val" ]] && echo "$val" && exit 0
;;
"stat"|"status")
val="$(get_config $keyvalue)"
ret=$?
[[ -f "$BATOCERA_CONFIGFILE" ]] && echo "ok: found '$BATOCERA_CONFIGFILE'" >&2 || echo "error: not found '$BATOCERA_CONFIGFILE'" >&2
[[ -w "$BATOCERA_CONFIGFILE" ]] && echo "ok: r/w file '$BATOCERA_CONFIGFILE'" >&2 || echo "error: r/o file '$BATOCERA_CONFIGFILE'" >&2
[[ -z "$val" && $ret -eq 1 ]] && echo "error: '$keyvalue' not found!" >&2
[[ -z "$val" && $ret -eq 0 ]] && echo "error: '$keyvalue' is empty - use 'comment' command to retrieve" >&2
[[ "$val" == "$COMMENT_CHAR" ]] && echo "error: '$keyvalue' is commented $COMMENT_CHAR!" >&2 && val=
[[ -n "$val" ]] && echo "ok: '$keyvalue' $val"
exit 0
;;
"set"|"write"|"save")
#Is file write protected?
[[ -w "$BATOCERA_CONFIGFILE" ]] || { echo "r/o file: $BATOCERA_CONFIGFILE" >&2; exit 2; }
#We can comment line above to erase keys, it's much saver to check if a value is setted
[[ -z "$newvalue" ]] && echo "error: '$keyvalue' needs value to be setted" >&2 && exit 1
val="$(get_config $keyvalue)"
ret=$?
if [[ "$val" == "$COMMENT_CHAR" ]]; then
echo "$keyvalue: hashed out!" >&2
uncomment_config "$keyvalue"
set_config "$keyvalue" "$newvalue"
echo "$keyvalue: set from '$val' to '$newvalue'" >&2
exit 0
elif [[ -z "$val" && $ret -eq 1 ]]; then
echo "$keyvalue: not found!" >&2
exit 12
elif [[ "$val" != "$newvalue" ]]; then
set_config "$keyvalue" "$newvalue"
exit 0
fi
;;
"uncomment"|"enable"|"activate")
val="$(get_config $keyvalue)"
ret=$?
# Boolean
if [[ "$val" == "$COMMENT_CHAR" ]]; then
uncomment_config "$keyvalue"
echo "$keyvalue: removed '$COMMENT_CHAR', key is active" >&2
elif [[ "$val" == "0" ]]; then
set_config "$keyvalue" "1"
echo "$keyvalue: boolean set '1'" >&2
elif [[ -z "$val" && $ret -eq 1 ]]; then
echo "$keyvalue: not found!" && exit 2
fi
;;
"comment"|"disable"|"remark")
val="$(get_config $keyvalue)"
ret=$?
# Boolean
[[ "$val" == "$COMMENT_CHAR" || "$val" == "0" ]] && exit 0
if [[ -z "$val" && $ret -eq 1 ]]; then
echo "$keyvalue: not found!" >&2 && exit 12
elif [[ "$val" == "1" ]]; then
set_config "$keyvalue" "0"
echo "$keyvalue: boolean set to '0'" >&2
else
comment_config "$keyvalue"
echo "$keyvalue: added '$COMMENT_CHAR', key is not active" >&2
fi
;;
*)
echo "ERROR: invalid command '$command'" >&2
exit 1
;;
esac
}
##### MAIN FUNCTION #####
##### MAIN CALL #####
# Prepare arrays from fob python script
# Keyword for python call is mimic_python
# Attention the unset is needed to eliminate first argument (python basefile)
if [[ "${#@}" -eq 1 && "$1" =~ "mimic_python" ]]; then
#batoceraSettings.py fob
readarray -t arr <<< "$1"
unset arr[0]
else
#regular call by shell
arr=("$@")
fi
main "${arr[@]}"
##### MAIN CALL #####
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