dotfiles/install.sh

237 lines
8.2 KiB
Bash
Executable file

#!/usr/bin/env bash
set -o errexit
set -o pipefail
set -o nounset
__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
backup_dir="$HOME/.local/backups/dotfiles"
# Colors for output. So fancy.
COLOR_SUCCESS='\033[0;32m'
COLOR_ERROR='\033[0;31m'
COLOR_NOTIFY='\033[1;33m'
NC='\033[0m' # No Color
# Default settings for this script:
# - Do not create backups automatically.
# - Install everything.
auto_backup=false
config_selection="all"
# Dotfile locations. Note that these locations should be identical between the
# home directory and the dotfile directory.
zshrc=".zshrc"
zshrc_name="zshrc"
zshrc_source="${__dir}/${zshrc}"
zshrc_target="${HOME}/${zshrc}"
zshrc_backup="${backup_dir}/${zshrc_name}"
profile=".profile"
profile_name="profile"
profile_source="${__dir}/${profile}"
profile_target="${HOME}/${profile}"
profile_backup="${backup_dir}/${profile_name}"
i3=".config/i3/config"
i3_name="i3"
i3_source="${__dir}/${i3}"
i3_target="${HOME}/${i3}"
i3_backup="${backup_dir}/${i3_name}"
i3status=".config/i3status/config"
i3status_name="i3status"
i3status_source="${__dir}/${i3status}"
i3status_target="${HOME}/${i3status}"
i3status_backup="${backup_dir}/${i3status_name}"
xresources=".Xresources"
xresources_name="xresources"
xresources_source="${__dir}/${xresources}"
xresources_target="${HOME}/${xresources}"
xresources_backup="${backup_dir}/${xresources_name}"
gitconfig=".gitconfig"
gitconfig_name="gitconfig"
gitconfig_source="${__dir}/${gitconfig}"
gitconfig_target="${HOME}/${gitconfig}"
gitconfig_backup="${backup_dir}/${gitconfig_name}"
gitignore=".gitignore"
gitignore_name="gitignore"
gitignore_source="${__dir}/${gitignore}"
gitignore_target="${HOME}/${gitignore}"
gitignore_backup="${backup_dir}/${gitignore_name}"
alacritty=".config/alacritty/alacritty.toml"
alacritty_name="alacritty"
alacritty_source="${__dir}/${alacritty}"
alacritty_target="${HOME}/${alacritty}"
alacritty_backup="${backup_dir}/${alacritty_name}"
fontconfig=".config/fontconfig/fonts.conf"
fontconfig_name="fontconfig"
fontconfig_source="${__dir}/${fontconfig}"
fontconfig_target="${HOME}/${fontconfig}"
fontconfig_backup="${backup_dir}/${fontconfig_name}"
function display_configs {
echo 'Supported config targets: all, zshrc, profile, i3, i3status, xresources, gitconfig, gitignore, alacritty, fontconfig, nvim'
}
function display_usage {
echo 'Usage: install.sh [-c|--config <target>] [-a|--auto-backup]'
echo ' [-h|--help]'
echo ''
echo 'Install configurations.'
echo ''
echo ' -c|--config Describes what to install: Default=all'
echo ' -l|--list List available configs.'
echo ' -a|--auto-backup Automatically backup existing configs.'
echo ' -h|--help Display this usage text.'
echo ''
echo 'Examples:'
echo ''
echo "./install.sh --config=all --auto-backup"
}
# Install some singular configuration file by creating a symbolic link. Handles
# automatic backups if the file already exists.
function install_config {
# Used for diagnostic purposes only - describes the configuration.
local config_name="$1"
# The location of the configuration to install.
local config_source="$2"
# The destination where the symbolic link should be created.
local config_target="$3"
# The backup file for this piece of configuration.
local config_backup="$4"
if [ "$config_selection" = "all" ] || [ "${config_selection}" = "${config_name}" ]; then
echo -n -e "${COLOR_SUCCESS}[+]${NC} Installing '${config_name}' to '${config_target}'... "
if [ -f "${config_target}" ]; then
if $auto_backup; then
# The file exists, so create a backup and remove the file.
echo -e "\n\t${COLOR_NOTIFY}[Note]${NC} creating a backup of '${config_target}'"
cp "${config_target}" "${config_backup}"
rm "${config_target}"
ln -s "${config_source}" "${config_target}"
echo -e "\t${COLOR_SUCCESS}[Success]${NC}"
else
# The caller does not want backups/deletions, so we must abort.
echo -e "\n\t${COLOR_ERROR}[Error]${NC} Could not install configuration '${config_name}'. File '${config_target}' already exists. Please manually remove it or set --auto-backup"
fi
else
# The file doesn't exist, we can safely create a symlink.
ln -s "${config_source}" "${config_target}"
echo -e "${COLOR_SUCCESS}[Success]${NC}"
fi
fi
}
function install_neovim {
# Used for diagnostic purposes only - describes the configuration.
local config_name="nvim"
# The location of the configuration to install.
local config_source=".config/nvim/init.lua"
local lua_source=".config/nvim/lua"
# The destination where the symbolic link should be created.
local config_target="${HOME}/.config/nvim/init.lua"
local lua_target="${HOME}/.config/nvim/lua"
# The backup file for this piece of configuration.
local config_backup="${backup_dir}/${config_name}"
local lua_backup="${backup_dir}/nvim-lua"
if [ "$config_selection" = "all" ] || [ "${config_selection}" = "${config_name}" ]; then
echo -n -e "${COLOR_SUCCESS}[+]${NC} Installing '${config_name}' to '${config_target}'... "
if [ -f "${config_target}" ]; then
if $auto_backup; then
# The file exists, so create a backup and remove the file.
echo -e "\n\t${COLOR_NOTIFY}[Note]${NC} creating a backup of '${config_target}' and '${lua_target}'"
cp "${config_target}" "${config_backup}"
cp -r "${lua_target}" "${lua_backup}"
rm "${config_target}"
rm -r "${lua_target}"
ln -s "${__dir}/${config_source}" "${config_target}"
ln -s "${__dir}/${lua_source}" "${lua_target}"
echo -e "\t${COLOR_SUCCESS}[Success]${NC}"
else
# The caller does not want backups/deletions, so we must abort.
echo -e "\n\t${COLOR_ERROR}[Error]${NC} Could not install configuration '${config_name}'. This configuration already exists. Please manually remove it or set --auto-backup"
fi
else
# The file doesn't exist, we can safely create a symlink.
ln -s "${__dir}/${config_source}" "${config_target}"
ln -s "${__dir}/${lua_source}" "${lua_target}"
echo -e "${COLOR_SUCCESS}[Success]${NC}"
fi
fi
}
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-c|--config)
config_selection="$2"
shift
shift
;;
-a|--auto-backup)
auto_backup=true
shift
;;
-l|--list)
display_configs
exit 0
;;
-h|--help)
display_usage
exit 0
;;
*)
echo "Unrecognized option: $1"
display_usage
exit 1
;;
esac
done
# Ensure the backup directory exists (if backups are requested).
if $auto_backup; then
if [ ! -d "$backup_dir" ]; then
if eval mkdir "$backup_dir"; then
echo -e "${COLOR_NOTIFY}[Note]${NC} created '$backup_dir' to store dotfile backups."
else
echo -e "${COLOR_ERROR}[Error]${NC} Failed to create backup directory '$backup_dir'."
fi
fi
fi
# Install all requested configurations.
install_config "${zshrc_name}" "${zshrc_source}" "${zshrc_target}" "${zshrc_backup}"
install_config "${profile_name}" "${profile_source}" "${profile_target}" "${profile_backup}"
install_config "${i3_name}" "${i3_source}" "${i3_target}" "${i3_backup}"
install_config "${i3status_name}" "${i3status_source}" "${i3status_target}" "${i3status_backup}"
install_config "${gitconfig_name}" "${gitconfig_source}" "${gitconfig_target}" "${gitconfig_backup}"
install_config "${gitignore_name}" "${gitignore_source}" "${gitignore_target}" "${gitignore_backup}"
install_config "${xresources_name}" "${xresources_source}" "${xresources_target}" "${xresources_backup}"
install_config "${alacritty_name}" "${alacritty_source}" "${alacritty_target}" "${alacritty_backup}"
install_config "${fontconfig_name}" "${fontconfig_source}" "${fontconfig_target}" "${fontconfig_backup}"
# Note that all of these configurations are Neovim-related:
install_neovim