night-theme-switch

#!/bin/bash

# night-theme-switch
# ------------------
# Written as a complement to the Night Theme Switcher GNOME Shell extension:
# https://gitlab.com/rmnvgr/nightthemeswitcher-gnome-shell-extension/
#
# Works best with Solarized.

# Copyright (c) 2020 Juraj Fiala
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

readonly TERM_PROFILE_PATH='/org/gnome/terminal/legacy/profiles:/'

readonly TERM_PROFILE_ID='b1dcc9dd-5262-4d8d-a863-c897e6d979b9'
readonly VSCODE_CONFIG="$HOME/.var/app/com.visualstudio.code/config/Code/User/settings.json"

function print-help() {
  echo "Usage: $0 [--help | --night | --day]"
}

function terminal-set() {
  dconf write "$TERM_PROFILE_PATH:$TERM_PROFILE_ID/background-color" "'$1'"
  dconf write "$TERM_PROFILE_PATH:$TERM_PROFILE_ID/foreground-color" "'$2'"
}

function terminal-light() {
  terminal-set 'rgb(253,246,227)' 'rgb(101,123,131)'
}

function terminal-dark() {
  terminal-set 'rgb(0,43,54)' 'rgb(131,148,150)'
}

function fish-light() {
  fish -c "
    set -U fish_color_command 586e75;
    set -U fish_color_quote 839496;
    set -U fish_color_param 657b83;
    set -U fish_color_search_match bryellow --background=white;
    set -U fish_color_autosuggestion 93a1a1;
    set -U fish_pager_color_completion green;
    set -U fish_color_comment 93a1a1;
  "
}

function fish-dark() {
  fish -c "
    set -U fish_color_command 93a1a1;
    set -U fish_color_quote 657b83;
    set -U fish_color_param 839496;
    set -U fish_color_search_match bryellow --background=black;
    set -U fish_color_autosuggestion 586e75;
    set -U fish_pager_color_completion B3A06D;
    set -U fish_color_comment 586e75;
  "
}

function vscode-set() {
  sed -i "/workbench\.colorTheme/ $1" "$VSCODE_CONFIG"
}

function vscode-dark() {
  vscode-set 's/Light/Dark/'
}

function vscode-light() {
  vscode-set 's/Dark/Light/'
}


function main() {
  case $1 in
  '--day' | '--light' )
    terminal-light
    fish-light
    vscode-light
    ;;
  '--night' | '--dark' )
    terminal-dark
    fish-dark
    vscode-dark
    ;;
  '--help' | '-h' )
    print-help
    ;;
  '')
    echo "Missing option after '$0'"
    print-help
    exit 1
    ;;
  *)
    echo "'$1': Invalid option"
    print-help
    exit 1
    ;;
  esac
}

main "$@"