dotfiles/install.sh

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#!/usr/bin/env bash
#
# install.sh
#
# Installs dotfiles and packages for my setup.
# Needs to be invoked from containing dotfile directory to work correctly.
#
# Will first install yay, then all my used packages (read from bootstrap/packages.txt)
#
# Finally, symlinks all dotfiles into their correct locations using dotter
bootstrap_dir="${DOT_BOOTSTRAP_DIR:-./bootstrap}"
unattended_install="${DOT_UNATTENDED_INSTALL:-false}"
link_systemfiles="${DOT_LINK_SYSTEMFILES:-true}"
help() {
printf "Usage: install [-f|--force][-v|--version][-h|--help]\n\n-f Do not ask for any confirmations but force update and installation.\n"
exit "${1:-0}"
}
main() {
local cmd=""
local ret=0
case "$1" in
-v | --version)
printf "Personal system bootstrap script.\n\nby Marty Oehme\n\nv0.2\n"
;;
-h | --help)
help 0
;;
-f | --force)
unattended_install=true
;;
*)
install
;;
esac
shift
$cmd "$@"
ret=$((ret + $?))
exit $ret
}
# takes default value (y/n), question, abort message as arguments
# automatically answers yes if unattended install
check_consent() {
if [ "$unattended_install" == "true" ]; then
true
else
[[ "$1" == "y" ]] && default_consent="[Y/n]" || default_consent="[y/N]"
printf "%b %b " "$2" "$default_consent"
read -r answer
if [[ "$1" == "n" ]] && [[ "$answer" != y* ]]; then
printf "%s\n" "$3"
false
elif [[ "$1" == "y" ]] && [[ "$answer" == n* ]]; then
printf "%s\n" "$3"
false
else
true
fi
fi
}
entry_question() {
check_consent n "This will take a while and install many packages and link dotfiles all over the place depending on your selections.\nYou need to be in the base directory of the dotfiles repository.\nProceed?" "Aborting." || exit
}
enable_git_hooks() {
check_consent y "Should we enable git hooks for this repository, so that missing or additionally installed packages are automatically compared to the repository when committing?" "Not changing repository settings." || return
git config --local core.hooksPath .githooks/
echo "Changed repository settings."
}
manage_dotfiles() {
check_consent y "Link dot files?" "Not linking dotfiles." || return
check_consent n "Link system settings files? This will require sudo access but will not overwrite existing files." "Not touching system files." || link_systemfiles=false
if [ "$link_systemfiles" == "false" ]; then
dotter deploy
echo "Linked dotfiles."
else
if [ -e "/etc/pacman.conf" ]; then
check_consent n "Found an existing pacman.conf file, installation will error if it exists. Remove file?" && run_elevated rm "/etc/pacman.conf"
fi
dotter deploy -l .dotter/systemwide.toml
echo "Linked dotfiles and system files."
fi
}
run_elevated() {
if command -v doas >/dev/null 2>&1; then
doas "$@"
elif command -v sudo >/dev/null 2>&1; then
sudo "$@"
fi
}
install_packages() {
check_consent n "Install pre-designated packages? This will take a while, install a lot of packages and require super user privileges." "Not installing packages." || return
if [ "$unattended_install" == "true" ]; then
"$bootstrap_dir"/install_packages.sh -f
else
"$bootstrap_dir"/install_packages.sh
fi
echo "Installed packages."
}
headline() {
len="${#1}"
target_len=85
side_len=$(((target_len - len) / 2))
for ((i = 1; i <= side_len; i++)); do printf '='; done
printf " %s " "$1"
for ((i = 1; i <= side_len; i++)); do printf '='; done
printf "\n"
}
install() {
if [ "$unattended_install" == false ] ; then
entry_question
fi
headline "BEGINNING PACKAGE INSTALLATION"
install_packages
headline "BEGINNING DOTFILE MANAGEMENT"
manage_dotfiles
headline "ENABLING GIT REPOSITORY HOOKS"
enable_git_hooks
echo "INSTALLATION FINISHED"
exit 0
}
main "$@"