mirror of https://codeberg.org/anemofilia/zero
56 lines
1.8 KiB
Bash
56 lines
1.8 KiB
Bash
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#!/bin/bash
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#
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# Usage: adblock-update.sh [-h] [URL]
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# This script can be used to download/update filterlists for the luakit adblock-module
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# It will only update the file if the server-side version is newer.
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#
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# URL URL of the filterlist to download, leave empty to download Easylist
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# -h, --help Display this help-message and exit
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# help message
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function usage ()
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{
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cat << EOF
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Usage: $0 [-h] [URL]
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This script can be used to download/update filterlists for the luakit adblock-module.
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It will only update the file if the server-side version is newer.
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URL URL of the filterlist to download, leave empty to download Easylist
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-h, --help Display this help message and exit
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EOF
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}
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# check for $XDG_DATA_HOME or fallback
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[[ -z "$XDG_DATA_HOME" ]] && DATADIR="$HOME/.local/share" || DATADIR="$XDG_DATA_HOME"
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# use URL if given else default to easylist.txt
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if (( $# == 1 )) || (( $# == 0 )); then
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[[ ! -z $1 ]] && [[ $1 == "-h" ]] || [[ $1 == "--help" ]] && usage && exit 0 # check for -hflag
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listurl="${1:-"https://easylist-downloads.adblockplus.org/easylist.txt"}"
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listname="$(basename ${listurl})"
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elif (( $# > 1 ));then
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usage
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exit 11
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fi
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# look for adblock directory || create
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[[ -d "$DATADIR/luakit/adblock/" ]] || mkdir "$DATADIR/luakit/adblock/" && cd "$DATADIR/luakit/adblock/"
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# backup the old list
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[[ -f ${listname} ]] && cp -p ${listname} ${listname}.b
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# try to download the file
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wget -N --connect-timeout=10 --tries=20 --retry-connrefused --waitretry=5 ${listurl}
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# if download failed move old file back in place
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if (( $? != 0 )); then
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[[ -f ${listname}.b ]] && cp -p ${listname}.b ${listname} && rm ${listname}.b
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echo "Error: List Download Failed!"
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exit 11
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else
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[[ -f ${listname}.b ]] && rm ${listname}.b # if all went well remove backup
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echo "All went well. :)"
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exit 0
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fi
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