dotfiles/bin/colo.sh

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#!/usr/bin/env bash
#
# This script changes the color scheme for the following apps:
# - Alacritty in ~/.configs_pointer/alacritty/alacritty.toml
# - Vim (indirectly, vim calls this script to determine its own colors)
# - Vimiv in ~/.configs_pointer/vimiv/vimiv.conf
# - Vifm (indirectly like vim)
# - Tmux (passive)
# - Bash (passive)
#
# Warning: Many other files in these configs depend on this script. Do not
# rename it or remove it from ~/.configs_pointer/bin/ unnecessarily
print_color_help() {
cat <<HELP
Changes the color scheme in vim, vifm, vimiv, bash, tmux, and alacritty
Flags:
-q, --query Print the current color scheme and exit
-c, --colorscheme Print the current color scheme and exit
-t, --tone Print the current tone (dark|light) and exit
-h, --help Print this message and exit
Available colors:
gruvboxdark - Default dark medium contrast
gruvboxlight - Light medium contrast
dracula - High contrast dark
github - High contrast white
Example:
colo.sh gruvboxdark
colo.sh --colorscheme
$(__print_current_colors)
HELP
}
query_color_scheme() {
if [[ -r "$ALACRITTY_CONF" ]]; then
echo "$(awk -F/ '/^import =/ {print substr($NF, 1, length($NF)-7)}' "$ALACRITTY_CONF")"
else
echo 'base16-gruvbox-dark-pale'
fi
}
query_color_tone() {
case "$COLOR_SCHEME" in
base16-gruvbox-dark-pale) echo 'dark' ;;
base16-gruvbox-light-hard) echo 'light' ;;
base16-dracula) echo 'dark' ;;
base16-github) echo 'light' ;;
*) echo 'dark' ;;
esac
}
print_current_colors() {
echo "Current color scheme: $(query_color_scheme)"
echo "Current color tone: $(query_color_tone)"
}
# Updates the color scheme for alacritty. Best with alacritty's live reload
change_alacritty_colors() {
local to_color="$1"
local conf_file="$2"
local tmp="$(mktemp)"
awk \
-v c="$to_color" \
'/^import =/ {
split($0, a, "/");
$0="";
for (i in a) {
if (i != length(a)) {
$0 = $0 sprintf("%s/", a[i]);
}
}
$0 = $0 c ".toml\"]"
} 1' \
"$conf_file" > "$tmp"
mv -f "$tmp" "$conf_file"
}
change_vimiv_colors() {
local to_color="$1"
local conf_file="$2"
local tmp="$(mktemp)"
awk -v c="$to_color" '/^\s*style = /{ $3=c } 1' "$conf_file" > "$tmp"
mv -f "$tmp" "$conf_file"
}
# Changes the colors and sets environment variables
change_color_scheme() {
local to_color="$1"
change_alacritty_colors "$to_color" "$ALACRITTY_CONF"
change_vimiv_colors "$to_color" "$VIMIV_CONF"
print_current_colors
}
##########
# Main
##########
declare -r ALACRITTY_CONF=~/.config/alacritty/alacritty.toml
declare -r VIMIV_CONF=~/.config/vimiv/vimiv.conf
case "$1" in
-t | --tone) __query_color_tone ;;
-c | --colorscheme) echo "$COLOR_SCHEME" ;;
-q | --query) __print_current_colors ;;
-h | --help) __print_color_help ;;
light | gruvboxlight) change_color_scheme "base16-gruvbox-light-hard" ;;
dracula) change_color_scheme "base16-dracula" ;;
github) change_color_scheme "base16-github" ;;
dark | gruvboxdark) change_color_scheme "base16-gruvbox-dark-pale" ;;
*) print_color_help ;;
esac