#!/bin/bashset -uo pipefail################################################# Initialize script environment# Find the directory this script is stored in. (from: http://stackoverflow.com/questions/59895)function get_source_dir() { local source="${BASH_SOURCE[0]}" while [[ -h $source ]] do local tmp tmp="$(cd -P "$(dirname "${source}")" && pwd)" source="$(readlink "${source}")" [[ $source != /* ]] && source="${tmp}/${source}" done echo -n "$(realpath "$(dirname "${source}")")"}ACTUAL_WORKING_DIRECTORY="$(realpath "$(pwd)")" || exit 1export ACTUAL_WORKING_DIRECTORYGENTOO_INSTALL_REPO_DIR_ORIGINAL="$(get_source_dir)"export GENTOO_INSTALL_REPO_DIR_ORIGINALexport GENTOO_INSTALL_REPO_DIR="$GENTOO_INSTALL_REPO_DIR_ORIGINAL"export GENTOO_INSTALL_REPO_SCRIPT_ACTIVE=trueexport GENTOO_INSTALL_REPO_SCRIPT_PID=$$umask 0077# shellcheck source=./scripts/utils.shsource "$GENTOO_INSTALL_REPO_DIR/scripts/utils.sh"# shellcheck source=./scripts/config.shsource "$GENTOO_INSTALL_REPO_DIR/scripts/config.sh"# shellcheck source=./scripts/functions.shsource "$GENTOO_INSTALL_REPO_DIR/scripts/functions.sh"# shellcheck source=./scripts/main.shsource "$GENTOO_INSTALL_REPO_DIR/scripts/main.sh"################################################# Main dispatch# Instantly kill when pressing ctrl-ctrap 'kill "$GENTOO_INSTALL_REPO_SCRIPT_PID"' INTACTION=""CONFIG="$GENTOO_INSTALL_REPO_DIR/gentoo.conf"while [[ $# -gt 0 ]]; do case "$1" in ""|"help"|"--help"|"-help"|"-h") echo "Usage: $0 [opts]... <action>" echo "Performs a minimal gentoo installation. See https://github.com/oddlama/gentoo-install" echo "for more information. If the configuration file does not exist, the configurator will" echo "be started instead." echo "" echo "Options:" echo " -c, --config <CONFIG> Use the given configuration file instead of the default" echo " location (gentoo.conf). Applies to installation as well" echo " as initial configuration in case it doesn't exist." echo "" echo "Actions:" echo " -i, --install Installs gentoo as configured. This is the default mode," echo " if the given configuration file exists." echo " -R, --chroot <DIR> [CMD...] Chroot into an existing system. The root filesystem" echo " must already be mounted under DIR. All required special" echo " filesystems will be mounted inside, and unmounted when" echo " the chroot exits." exit 0 ;; "-c"|"--config") [[ -f "$2" ]] \ || die "Config file not found: '$2'" CONFIG="$(cd "$ACTUAL_WORKING_DIRECTORY" && realpath --relative-to="$GENTOO_INSTALL_REPO_DIR" "$2" 2>/dev/null)" || die "Could not determine realpath to config" shift ;; "-R"|"--chroot") [[ -z $ACTION ]] || die "Multiple actions given" ACTION="chroot" CHROOT_DIR="$2" [[ -e "$CHROOT_DIR" ]] || die "Chroot directory not found: '$CHROOT_DIR'" shift ;; "-i"|"--install") [[ -z $ACTION ]] || die "Multiple actions given" ACTION="install" ;; "__install_gentoo_in_chroot") ACTION="__install_gentoo_in_chroot" ;; *) die "Invalid option '$1'" ;; esac shiftdone# Check configuration location[[ -z "${CONFIG%%"$GENTOO_INSTALL_REPO_DIR"*}" ]] \ || die "Configuration file must be inside the installation directory. This is needed so it is accessible from within the chroot environment."if [[ -z "$ACTION" ]]; then if [[ -e "$CONFIG" ]]; then # Default if configuration exists: Run installer ACTION="install" else # Default if configuration does not exist: Run configurator, and exit afterwards. echo "You have not created a gentoo.conf. Starting configurator instead of installing." exec "$GENTOO_INSTALL_REPO_DIR/configure" "$CONFIG" fifiif [[ "$ACTION" != "chroot" ]]; then # Load config if we aren't just chrooting [[ -e "$CONFIG" ]] \ || die "Configuration file '$CONFIG' does not exist. To run the configurator, omit '-i' flag or run ./configure" # shellcheck disable=SC1090 source "$CONFIG" || die "Could not source config" [[ $I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY == "true" ]] \ || die "You have not properly read the config. Edit the config file and set I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY=true to continue." preprocess_configfi[[ $EUID == 0 ]] \ || die "Must be root"mkdir_or_die 0755 "$TMP_DIR"case "$ACTION" in "chroot") main_chroot "$CHROOT_DIR" "$@" ;; "install") main_install "$@" ;; "__install_gentoo_in_chroot") main_install_gentoo_in_chroot "$@" ;; *) die "Invalid action '$ACTION'" ;;esac
#!/bin/bash
set -uo pipefail
################################################
# Initialize script environment
# Find the directory this script is stored in. (from: http://stackoverflow.com/questions/59895)
function get_source_dir() {
local source="${BASH_SOURCE[0]}"
while [[ -h $source ]]
do
local tmp
tmp="$(cd -P "$(dirname "${source}")" && pwd)"
source="$(readlink "${source}")"
[[ $source != /* ]] && source="${tmp}/${source}"
done
echo -n "$(realpath "$(dirname "${source}")")"
}
ACTUAL_WORKING_DIRECTORY="$(realpath "$(pwd)")" || exit 1
export ACTUAL_WORKING_DIRECTORY
GENTOO_INSTALL_REPO_DIR_ORIGINAL="$(get_source_dir)"
export GENTOO_INSTALL_REPO_DIR_ORIGINAL
export GENTOO_INSTALL_REPO_DIR="$GENTOO_INSTALL_REPO_DIR_ORIGINAL"
export GENTOO_INSTALL_REPO_SCRIPT_ACTIVE=true
export GENTOO_INSTALL_REPO_SCRIPT_PID=$$
umask 0077
# shellcheck source=./scripts/utils.sh
source "$GENTOO_INSTALL_REPO_DIR/scripts/utils.sh"
# shellcheck source=./scripts/config.sh
source "$GENTOO_INSTALL_REPO_DIR/scripts/config.sh"
# shellcheck source=./scripts/functions.sh
source "$GENTOO_INSTALL_REPO_DIR/scripts/functions.sh"
# shellcheck source=./scripts/main.sh
source "$GENTOO_INSTALL_REPO_DIR/scripts/main.sh"
################################################
# Main dispatch
# Instantly kill when pressing ctrl-c
trap 'kill "$GENTOO_INSTALL_REPO_SCRIPT_PID"' INT
ACTION=""
CONFIG="$GENTOO_INSTALL_REPO_DIR/gentoo.conf"
while [[ $# -gt 0 ]]; do
case "$1" in
""|"help"|"--help"|"-help"|"-h")
echo "Usage: $0 [opts]... <action>"
echo "Performs a minimal gentoo installation. See https://github.com/oddlama/gentoo-install"
echo "for more information. If the configuration file does not exist, the configurator will"
echo "be started instead."
echo ""
echo "Options:"
echo " -c, --config <CONFIG> Use the given configuration file instead of the default"
echo " location (gentoo.conf). Applies to installation as well"
echo " as initial configuration in case it doesn't exist."
echo ""
echo "Actions:"
echo " -i, --install Installs gentoo as configured. This is the default mode,"
echo " if the given configuration file exists."
echo " -R, --chroot <DIR> [CMD...] Chroot into an existing system. The root filesystem"
echo " must already be mounted under DIR. All required special"
echo " filesystems will be mounted inside, and unmounted when"
echo " the chroot exits."
exit 0
;;
"-c"|"--config")
[[ -f "$2" ]] \
|| die "Config file not found: '$2'"
CONFIG="$(cd "$ACTUAL_WORKING_DIRECTORY" && realpath --relative-to="$GENTOO_INSTALL_REPO_DIR" "$2" 2>/dev/null)" || die "Could not determine realpath to config"
shift
;;
"-R"|"--chroot")
[[ -z $ACTION ]] || die "Multiple actions given"
ACTION="chroot"
CHROOT_DIR="$2"
[[ -e "$CHROOT_DIR" ]] || die "Chroot directory not found: '$CHROOT_DIR'"
shift
;;
"-i"|"--install")
[[ -z $ACTION ]] || die "Multiple actions given"
ACTION="install"
;;
"__install_gentoo_in_chroot")
ACTION="__install_gentoo_in_chroot"
;;
*) die "Invalid option '$1'" ;;
esac
shift
done
# Check configuration location
[[ -z "${CONFIG%%"$GENTOO_INSTALL_REPO_DIR"*}" ]] \
|| die "Configuration file must be inside the installation directory. This is needed so it is accessible from within the chroot environment."
if [[ -z "$ACTION" ]]; then
if [[ -e "$CONFIG" ]]; then
# Default if configuration exists: Run installer
ACTION="install"
else
# Default if configuration does not exist: Run configurator, and exit afterwards.
echo "You have not created a gentoo.conf. Starting configurator instead of installing."
exec "$GENTOO_INSTALL_REPO_DIR/configure" "$CONFIG"
fi
fi
if [[ "$ACTION" != "chroot" ]]; then
# Load config if we aren't just chrooting
[[ -e "$CONFIG" ]] \
|| die "Configuration file '$CONFIG' does not exist. To run the configurator, omit '-i' flag or run ./configure"
# shellcheck disable=SC1090
source "$CONFIG" || die "Could not source config"
[[ $I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY == "true" ]] \
|| die "You have not properly read the config. Edit the config file and set I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY=true to continue."
preprocess_config
fi
[[ $EUID == 0 ]] \
|| die "Must be root"
mkdir_or_die 0755 "$TMP_DIR"
case "$ACTION" in
"chroot") main_chroot "$CHROOT_DIR" "$@" ;;
"install") main_install "$@" ;;
"__install_gentoo_in_chroot") main_install_gentoo_in_chroot "$@" ;;
*) die "Invalid action '$ACTION'" ;;
esac