110 lines
3.4 KiB
Bash
Executable File
110 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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set -o pipefail
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################################################
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# Initialize script environment
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# Find the directory this script is stored in. (from: http://stackoverflow.com/questions/59895)
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get_source_dir() {
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local source="${BASH_SOURCE[0]}"
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while [[ -h $source ]]
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do
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local tmp="$(cd -P "$(dirname "${source}")" && pwd)"
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source="$(readlink "${source}")"
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[[ $source != /* ]] && source="${tmp}/${source}"
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done
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echo -n "$(realpath "$(dirname "${source}")")"
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}
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export GENTOO_INSTALL_REPO_DIR_ORIGINAL="$(get_source_dir)"
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export GENTOO_INSTALL_REPO_DIR="$GENTOO_INSTALL_REPO_DIR_ORIGINAL"
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export GENTOO_INSTALL_REPO_SCRIPT_ACTIVE=true
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export GENTOO_INSTALL_REPO_SCRIPT_PID=$$
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umask 0077
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source "$GENTOO_INSTALL_REPO_DIR/scripts/utils.sh"
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source "$GENTOO_INSTALL_REPO_DIR/scripts/config.sh"
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source "$GENTOO_INSTALL_REPO_DIR/scripts/functions.sh"
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source "$GENTOO_INSTALL_REPO_DIR/scripts/main.sh"
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################################################
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# Main dispatch
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# Instantly kill when pressing ctrl-c
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trap 'kill "$GENTOO_INSTALL_REPO_SCRIPT_PID"' INT
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ACTION=""
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CONFIG="$GENTOO_INSTALL_REPO_DIR/gentoo.conf"
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while [[ $# -gt 0 ]]; do
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case "$1" in
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""|"help"|"--help"|"-help"|"-h")
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echo "Usage: $0 [opts]... <action>"
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echo "Performs a minimal gentoo installation. See https://github.com/oddlama/gentoo-install"
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echo "for more information."
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echo ""
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echo "Options:"
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echo " -c, --config <CONFIG> Use the given configuration file instead of the default"
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echo " location (gentoo.conf)"
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echo ""
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echo "Actions:"
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echo " -i, --install Installs gentoo as configured"
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echo " -R, --chroot Chroot into an existing system. The root filesystem"
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echo " is mounted automatically based on the partition"
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echo " UUIDs (generated when installing for the first time),"
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echo " and unmounted when the chroot exits"
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echo " -u, --umount Try to unmount all associated mountpoints. (Only needed"
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echo " if anything gets forcefully interrupted)"
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exit 0
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;;
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"-c"|"--config")
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[[ -f "$2" ]] \
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|| die "Config file not found: '$2'"
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CONFIG="$(realpath "$2" 2>/dev/null)"
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shift
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;;
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"-R"|"--chroot")
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[[ -z $ACTION ]] || die "Multiple actions given"
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ACTION="chroot"
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;;
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"-i"|"--install")
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[[ -z $ACTION ]] || die "Multiple actions given"
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ACTION="install"
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;;
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"-u"|"--umount"|"--unmount")
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[[ -z $ACTION ]] || die "Multiple actions given"
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ACTION="umount"
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;;
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"__install_gentoo_in_chroot")
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ACTION="__install_gentoo_in_chroot"
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;;
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*) die "Invalid option '$1'" ;;
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esac
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shift
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done
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# Load config
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[[ -z "${CONFIG%%$GENTOO_INSTALL_REPO_DIR*}" ]] \
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|| die "Configuration file must be inside the installation directory. This is needed so it is accessible from within the chroot environment."
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source "$CONFIG"
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[[ $I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY == "true" ]] \
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|| 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."
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preprocess_config
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[[ $EUID == 0 ]] \
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|| die "Must be root"
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mkdir_or_die 0755 "$TMP_DIR"
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case "$ACTION" in
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"chroot") main_chroot "$@" ;;
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"install") main_install "$@" ;;
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"umount") main_umount "$@" ;;
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"__install_gentoo_in_chroot") main_install_gentoo_in_chroot "$@" ;;
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*) die "Invalid action '$ACTION'" ;;
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esac
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