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#!/bin/bash
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# papirus-folder-color.sh
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# Generate icon theme inheriting Papirus or Papirus-Dark,
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# but with different coloured folder icons.
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#
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# Copyright: 2019-2022 John Crawley <john@bunsenlabs.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# If not overruled by --name option, this will be included in generated theme name.
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# Other vendors, please edit to taste:
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vendor=Mabox
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USAGE="
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papirus-folder-color.sh [OPTIONS]
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Generates a user custom icon theme with a different folder color from
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the default Papirus blue.
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Options:
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-h, --help
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Show this message.
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-c, --color <color>
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Choose icon color.
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-s, --source_path <path>
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Set path to directory holding Papirus theme to be used.
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-t, --target_path <path>
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Set path to directory where new theme will be generated.
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-n, --name <name>
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Set name of generated theme.
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-l, --link
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Symlink icons to source instead of copying.
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-d, --dark
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Declare theme to be dark and inherit Papirus-Dark.
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color must be specified and can be one of:
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black,blue,bluegrey,breeze,brown,cyan,deeporange,green,grey,indigo,magenta,nordic,orange,palebrown,paleorange,pink,red,teal,violet,white,yaru,yellow,custom
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NB \"custom\" color corresponds to jet black, while \"black\" is actually dark grey.
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\"jet-black\" may also be passed as an alias for \"custom\".
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If --source_path is not passed, the Papirus theme is read from
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/usr/share/icons/Papirus
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If --target_path is not passed, the generated theme is written to
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~/.local/share/icons/<new theme name>
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If --name is not passed, the generated theme will be named
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Papirus-${vendor}[-Dark]-<color>.
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By default icons will be copied into the new theme, not symlinked.
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This increases the size, but improves portability.
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Pass --link to generate symlinks instead.
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If source_path and target_path are under the same top-level directory
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then symlinked icons will use relative paths, otherwise absolute paths.
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"
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## default variables
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## these can (should, at least for color) be overridden by script options
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source_path=/usr/share/icons # place to find source Papirus theme
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target_path="$HOME/.local/share/icons" # place to put generated theme
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#target_path="$PWD"
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copy_files=true # If true, copy icons into new theme instead of symlinking.
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new_theme=''
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color=''
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error_exit() {
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echo "$0 error: $1" >&2
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exit 1
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}
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while [[ -n $1 ]]
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do
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case "$1" in
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--color|-c)
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color=$2
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shift 2
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;;
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--source_path|-s)
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source_path=$2
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shift 2
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;;
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--target_path|-t)
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target_path=$2
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shift 2
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;;
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--name|-n)
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new_theme=$2
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shift 2
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;;
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--link|-l)
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copy_files=false
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shift
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;;
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--dark|-d)
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dark_theme=true
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shift
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;;
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--help|-h)
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echo "$USAGE"
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exit
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;;
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*)
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error_exit "$1: Unrecognized option."
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;;
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esac
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done
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########################################################################
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case "$color" in
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adwaita|black|blue|bluegrey|breeze|brown|carmine|cyan|darkcyan|deeporange|green|grey|indigo|magenta|nordic|orange|palebrown|paleorange|pink|red|teal|violet|white|yaru|yellow|custom)
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;;
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jet-black)
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color=custom;;
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*)
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error_exit "${color}: Unrecognized colour."
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esac
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[[ -n $new_theme ]] || {
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if [[ $dark_theme = true ]]
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then
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new_theme="Papirus-${vendor}-Dark-${color}"
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else
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new_theme="Papirus-${vendor}-${color}"
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fi
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}
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source_dir="$source_path/Papirus"
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target_dir="$target_path/$new_theme"
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[[ $(basename "$source_dir") = Papirus ]] || error_exit "$source_dir: Not a Papirus theme directory"
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[[ $(basename "$target_dir") = Papirus* ]] || error_exit "$target_dir: Not a Papirus theme directory" # try to avoid accidents
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# Define function to make symlinks,
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# relative if source & target have same top-level directory.
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# If copy_files is true, copy instead of linking.
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set_linking() {
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if [[ $copy_files = true ]]
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then
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link_file() { cp "$1" "$2"; }
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else
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local tld_src=$( readlink -f "${source_dir}" )
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tld_src=${tld_src#/}
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tld_src=${tld_src%%/*}
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local tld_tgt=$( readlink -f "${target_dir}" )
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tld_tgt=${tld_tgt#/}
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tld_tgt=${tld_tgt%%/*}
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if [[ "$tld_src" = "$tld_tgt" ]]
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then
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link_file() { ln -sfr "$1" "$2"; }
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else
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link_file() { ln -sf "$1" "$2"; }
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fi
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fi
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}
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set_linking
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[[ -e "$target_dir" ]] && {
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echo "$target_dir will be removed and replaced, OK?"
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read -r -p ' remove? (y/n) '
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case ${REPLY^^} in
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Y|YES)
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rm -rf "$target_dir" || error_exit "Failed to remove $target_dir";;
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*)
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echo 'User cancelled. Exiting...'; exit;;
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esac
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}
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mkdir -p "$target_dir" || error_exit "Failed to create $target_dir"
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defcolor=blue # the Papirus default
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shortdirlist=
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longdirlist=
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for subdir in "$source_dir"/*
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do
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[[ -d ${subdir}/places && ! -h $subdir ]] || continue # only use icons in "places" directories
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files=()
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while IFS= read -r -d '' file
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do
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files+=("$file")
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done < <(find "${subdir}/places" -type l \( -ilname "*-$defcolor-*" -o -lname "*-$defcolor.*" \) ! -iname "*-$defcolor-*" ! -iname "*-$defcolor.*" -print0)
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[[ ${#files[@]} -gt 0 ]] || continue
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dirname=${subdir##*/}
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mkdir -p "$target_dir/${dirname}/places" || error_exit "Failed to create $target_dir/${dirname}/places"
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scaledname=${dirname}@2x
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[[ $dirname != symbolic ]] && ln -s "${dirname}" "${target_dir}/${scaledname}" || error_exit "Failed to link ${target_dir}/${scaledname} to ${dirname}"
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for i in "${files[@]}"
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do
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find "${subdir}/places" -type l -lname "${i##*/}" -exec cp --no-dereference '{}' "$target_dir/${dirname}/places" \;
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target="$(readlink "$i")"
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target="${target/-${defcolor}/-${color}}"
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[[ -f "$subdir/places/$target" ]] || { echo "$subdir/places/$target: not found"; continue; }
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link_file "$subdir/places/$target" "$target_dir/$dirname/places/${i##*/}" || error_exit "Failed to link_file() $target_dir/$dirname/places/${i##*/} to $subdir/places/$target"
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done
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case "${dirname}" in
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symbolic)
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shortdirlist+="${dirname}/places,"
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longdirlist+="[${dirname}/places]
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Context=Places
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Size=16
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MinSize=16
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MaxSize=512
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Type=Scalable
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"
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;;
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*)
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shortdirlist+="${dirname}/places,${scaledname}/places,"
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longdirlist+="[${dirname}/places]
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Context=Places
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Size=${dirname%x*}
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Type=Fixed
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[${scaledname}/places]
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Context=Places
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Size=${dirname%x*}
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Scale=2
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Type=Fixed
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"
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;;
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esac
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done
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if [[ $dark_theme = true ]]
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then
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inherit="Papirus-Dark,breeze-dark"
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else
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inherit="Papirus,breeze"
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fi
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cat <<EOF > "$target_dir/index.theme"
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[Icon Theme]
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Name=$new_theme
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Comment=Recoloured Papirus icon theme for Mabox Linux
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Inherits=${inherit},hicolor
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Example=folder
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FollowsColorScheme=true
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DesktopDefault=48
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DesktopSizes=16,22,24,32,48,64
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ToolbarDefault=22
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ToolbarSizes=16,22,24,32,48
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MainToolbarDefault=22
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MainToolbarSizes=16,22,24,32,48
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SmallDefault=16
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SmallSizes=16,22,24,32,48
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PanelDefault=48
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PanelSizes=16,22,24,32,48,64
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DialogDefault=48
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DialogSizes=16,22,24,32,48,64
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# Directory list
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Directories=${shortdirlist%,}
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$longdirlist
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EOF
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gtk-update-icon-cache "$target_dir"
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