baseproc16-default/theme_waybar

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2021-12-06 10:40:33 +00:00
#!/usr/bin/env bash
readonly dependency=("mnussbaum/base16-waybar")
readonly app="waybar"
path="$1"
package="$2"
theme="$3"
permanent="$4"
## Main Entrypoint
#
# Finds the right theme template file and starts theme
# switching and, if necessary, permanent setting processes.
main() {
dbg_msg $app "Starting Processor"
tfile="$path/$package/colors/base16-$theme.css"
if ! file_exists "$tfile"; then
dbg_msg $app "error" "Theme template $theme not found in package $package"
exit 1
fi
if [[ "$permanent" == "true" ]]; then save; fi
# theme
dbg_msg $app "Processor Done"
}
## Theme setter
#
# Takes care of permanently writing the desired
# base16 theme into application settings.
save() {
dbg_msg $app "Saving theme"
local waybar_config_dir="${XDG_CONFIG_HOME:-$HOME/.config}/waybar"
local waybar_data_dir="${XDG_DATA_HOME:-$HOME/.local/share}/waybar"
if [[ ! -d "$waybar_data_dir" ]]; then
mkdir -p "$waybar_data_dir"
dbg_msg $app "Creating waybar data directory in $waybar_data_dir"
fi
cat "$tfile" >"$waybar_data_dir/colorscheme.css"
dbg_msg $app "Saved theme to $waybar_data_dir/colorscheme.css"
include "$waybar_config_dir" "$waybar_data_dir"
command -v killall && killall waybar && waybar &
}
## Theme includer
#
# Makes sure that theme is actually included in
# default application startup routine.
# This is the most invasive step of theming since it
# rewrites within existing configuration files.
include() {
dbg_msg $app "Including theme in configuration"
local waybar_config_dir="$1"
local waybar_data_dir="$2"
if file_exists "$waybar_config_dir/style.css"; then
line_exists_or_append "$waybar_config_dir/style.css" "@import \"$waybar_data_dir/colorscheme.css\";"
dbg_msg $app "Successfully included theme in configuration"
else
dbg_msg $app "warn" "No default configuration file found"
fi
dbg_msg $app "Sucessfully included theme"
}
# Safe sourcing: https://stackoverflow.com/a/12694189
DIR="${BASH_SOURCE%/*}"
if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
# shellcheck source=utilities.sh
. "$DIR/utilities.sh"
## Dependency Checker
#
# Makes sure the processor is called for the correct
# base16 package, or refuses to run if it is not.
if printf '%s\n' "${dependency[@]}" | grep -q -P "^$package$"; then
main
else
dbg_msg $app "error" "Processor does not work for package $package"
fi