Changeset - 8551913bda80
[Not reviewed]
0 1 0
Branko Majic (branko) - 4 years ago 2020-07-05 15:50:03
branko@majic.rs
Noticket: Implement additional path validations for Factorio Manager:

- Added test for instance directories, new backup directories, backup
directories, and import sources.
- Refactored commands to use the new path validations.
- Updated some comments and formatting.
1 file changed with 156 insertions and 190 deletions:
0 comments (0 inline, 0 general) First comment
games/factorio_manager.sh
Show inline comments
 
@@ -843,10 +843,22 @@ function read_server_settings() {
 
#       instance_directory_new
 
#         Checks if path is unused and can be used for new instance.
 
#
 
#       instance_directory
 
#         Checks if path contains a valid instance.
 
#
 
#       backup_directory_new
 
#         Checks if path is usable as destination for a new backup.
 
#
 
#       backup_directory
 
#         Checks if path contains a valid backup.
 
#
 
#       instance_import_source
 
#         Checks if path is usable as source for importing an instance.
 
#
 
#   $2 (path)
 
#     Path that should be validated.
 
#
 
#   $3 (exit_code0
 
#   $3 (exit_code)
 
#     Exit code to use when terminating the program.
 
#
 
# Exits:
 
@@ -877,6 +889,57 @@ function validate_path_or_terminate() {
 
            error "Instance directory already exists, but does not contain a valid Factorio instance: $path."
 
            exit "$exit_code"
 
        fi
 

	
 
    elif [[ $path_test == "instance_directory" ]]; then
 
        if [[ ! -d $path ]]; then
 
            error "Missing instance directory: $path"
 
            error "Perhaps you have misstyped the instance name or forgot to create one first?"
 
            exit "$exit_code"
 
        fi
 

	
 
        if [[ ! -f $path/instance.conf ]]; then
 
            error "Missing instance configuration file: $path/instance.conf"
 
            exit "$exit_code"
 
        fi
 

	
 
        if [[ ! -f $path/config.ini ]]; then
 
            error "Missing game configuration file: $path/config.ini"
 
            exit "$exit_code"
 
        fi
 

	
 
    elif [[ $path_test == "backup_directory_new" ]]; then
 
        if [[ -e $path/config.ini ]]; then
 
            error "Backup already exists under directory: $path"
 
            exit "$exit_code"
 
        elif [[ -e $path ]]; then
 
            error "Backup directory already exists, but does not contain a valid backup: $path"
 
            exit "$exit_code"
 
        fi
 

	
 
    elif [[ $path_test == "backup_directory" ]]; then
 

	
 
        if [[ ! -d $path ]]; then
 
            error "Specified backup not available under: $path"
 
            exit "$ERROR_ARGUMENTS"
 
        fi
 

	
 
        if [[ ! -f $path/instance.conf ]]; then
 
            error "Backup missing instance configuration file: $path/instance.conf"
 
            exit "$exit_code"
 
        fi
 

	
 
        if [[ ! -f $path/config.ini ]]; then
 
            error "Backup missing game configuration file: $path/config.ini"
 
            exit "$exit_code"
 
        fi
 

	
 
    elif [[ $path_test == "instance_import_source" ]]; then
 
        if [[ ! -f $path/bin/x64/factorio ]]; then
 
            error "Could not locate Factorio binary in directory under: $path/bin/x64/factorio"
 
            error "Factorio Manager natively supports instance imports only when all game data (savegames etc) are stored within Factorio installation directory."
 
            exit "$ERROR_ARGUMENTS"
 
        fi
 

	
 
    else
 
        error "Unable to validate path '$path', unsupported test requested: '$path_test'."
 
        exit "$ERROR_GENERAL"
 
@@ -1010,6 +1073,7 @@ fi
 
command="$1"
 
shift
 

	
 

	
 
#==============#
 
# set-game-dir #
 
#==============#
 
@@ -1054,11 +1118,13 @@ if [[ $command == set-game-dir ]]; then
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 

	
 
#==========#
 
# versions #
 
#==========#
 
elif [[ $command == versions ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    echo "Locally available Factorio versions:"
 
@@ -1072,10 +1138,15 @@ elif [[ $command == versions ]]; then
 
    done
 
    echo
 

	
 

	
 
#======#
 
# list #
 
#======#
 
elif [[ $command == list ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    echo "Available instances:"
 
    echo
 

	
 
@@ -1088,10 +1159,13 @@ elif [[ $command == list ]]; then
 
    done
 
    echo
 

	
 

	
 
#========#
 
# create #
 
#========#
 
elif [[ $command == create ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
@@ -1109,6 +1183,7 @@ elif [[ $command == create ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Make sure new instance directory can be used.
 
    validate_path_or_terminate "instance_directory_new" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    select_factorio_version "$game_installations_directory" || exit "$ERROR_GENERAL"
 
@@ -1159,8 +1234,15 @@ EOF
 
    warning "Factorio will offer to fix the corrupted configuration file by filling-in the missing information during the first startup."
 
    warning "It should be safe to accept this. This warning will be shown by Factorio only the first time."
 

	
 

	
 
#========#
 
# launch #
 
#========#
 
elif [[ $command == launch ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    shift
 
@@ -1177,19 +1259,12 @@ elif [[ $command == launch ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $game_config ]]; then
 
        error "Missing game configuration file: $game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Update instance write directory prior to launching - this is a
 
    # failsafe in case it got changed by hand through some other means
 
    # (or maybe it was copied over from another instance).
 
    # failsafe in case it got changed by hand or perhaps the value
 
    # comes from backups of a copied instance.
 
    current_write_data=$(grep "^write-data=" "$game_config")
 
    expected_write_data="write-data=${instance_directory}"
 

	
 
@@ -1227,7 +1302,15 @@ elif [[ $command == launch ]]; then
 
        "$factorio_bin" --config "$game_config"
 
    fi
 

	
 

	
 
#========#
 
# backup #
 
#========#
 
elif [[ $command == backup ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    description="${2-}"
 
@@ -1252,22 +1335,11 @@ elif [[ $command == backup ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Verify that we are trying to backup an actual instance.
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $game_config ]]; then
 
        error "Missing game configuration file: $game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Make sure we do not overwrite the backup destination by mistake
 
    # - although highly unlikely unless user spams the backup command.
 
    if [[ -e $backup_destination ]]; then
 
        error "Backup already exists: $backup_destination"
 
    fi
 
    # Validate destination path for backup directory can be used.
 
    validate_path_or_terminate "backup_directory_new" "$backup_destination" "$ERROR_GENERAL"
 

	
 
    (
 

	
 
@@ -1302,6 +1374,7 @@ elif [[ $command == backup ]]; then
 

	
 
    ) 200>"$lock_file"
 

	
 

	
 
#==============#
 
# list-backups #
 
#==============#
 
@@ -1323,21 +1396,8 @@ elif [[ $command == list-backups ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Verify instance.
 
    if [[ ! -d $instance_directory ]]; then
 
        error "No such instance: $instance"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $game_config ]]; then
 
        error "Missing game configuration file: $game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Extended regular expression for matching YYYY-MM-DD-hh:mm:ss format.
 
    backup_destination_name_pattern="[[:digit:]]{4}-[[:digit:]]{2}-[[:digit:]]{2}_[[:digit:]]{2}:[[:digit:]]{2}:[[:digit:]]{2}"
 
@@ -1377,11 +1437,15 @@ elif [[ $command == list-backups ]]; then
 

	
 
    fi
 

	
 

	
 
#=========#
 
# restore #
 
#=========#
 
elif [[ $command == restore ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    backup_name="${2-}"
 
@@ -1405,26 +1469,11 @@ elif [[ $command == restore ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Verify we are working with legitimate instance and backup.
 
    if [[ ! -d $instance_directory ]]; then
 
        error "No such instance: $instance"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -d $restore_source ]]; then
 
        error "Specified backup not available under: $restore_source"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    if [[ ! -f $backup_instance_config ]]; then
 
        error "Invalid backup, missing instance configuration file: $backup_instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $backup_game_config ]]; then
 
        error "Invalid backup, missing game configuration file: $backup_game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that backup directory contains valid backup.
 
    validate_path_or_terminate "backup_directory" "$restore_source" "$ERROR_ARGUMENTS"
 

	
 
    (
 
        # Obtain lock - Factorio uses the same mechanism, so we should
 
@@ -1502,11 +1551,15 @@ elif [[ $command == restore ]]; then
 

	
 
    ) 200>"$lock_file"
 

	
 

	
 
#===============#
 
# remove-backup #
 
#===============#
 
elif [[ $command == remove-backup ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    backup_name="${2-}"
 
@@ -1530,26 +1583,11 @@ elif [[ $command == remove-backup ]]; then
 
    backup_game_config="$removal_target/config.ini"
 
    lock_file="$instance_directory/.lock"
 

	
 
    # Verify we are working with legitimate instance and backup.
 
    if [[ ! -d $instance_directory ]]; then
 
        error "No such instance: $instance"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    if [[ ! -d $removal_target ]]; then
 
        error "Specified backup not available under: $removal_target"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -f $backup_instance_config ]]; then
 
        error "Invalid backup, missing instance configuration file: $backup_instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $backup_game_config ]]; then
 
        error "Invalid backup, missing game configuration file: $backup_game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that backup directory contains valid backup.
 
    validate_path_or_terminate "backup_directory" "$removal_target" "$ERROR_ARGUMENTS"
 

	
 
    # Present user with warning.
 
    echo
 
@@ -1583,10 +1621,15 @@ elif [[ $command == remove-backup ]]; then
 

	
 
    success "Backup removed."
 

	
 

	
 
#=============#
 
# set-version #
 
#=============#
 
elif [[ $command == set-version ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    shift
 
@@ -1597,33 +1640,13 @@ elif [[ $command == set-version ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Make sure user has set directory with game installations - test
 
    # both symlink and target destination.
 
    if [[ ! -L $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 

	
 
    if [[ ! -d $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 

	
 
    # Set-up derived variables.
 
    instance_directory="$manager_directory/$instance"
 
    instance_config="$instance_directory/instance.conf"
 
    game_config="$instance_directory/config.ini"
 

	
 
    # Verify we are working with legitimate instance.
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $game_config ]]; then
 
        error "Missing game configuration file: $game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Load instance configuration.
 
    source "$instance_config"
 
@@ -1642,21 +1665,14 @@ elif [[ $command == set-version ]]; then
 
        success "Version changed to: $(colorecho -n green "$game_version_selected")"
 
    fi
 

	
 

	
 
#======#
 
# info #
 
#======#
 
elif [[ $command == info ]]; then
 
    # Make sure user has set directory with game installations - test
 
    # both symlink and target destination.
 
    if [[ ! -L $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 

	
 
    if [[ ! -d $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
@@ -1673,16 +1689,8 @@ elif [[ $command == info ]]; then
 
    instance_config="$instance_directory/instance.conf"
 
    game_config="$instance_directory/config.ini"
 

	
 
    # Verify we are working with legitimate instance.
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $game_config ]]; then
 
        error "Missing game configuration file: $game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Load instance configuration.
 
    source "$instance_config"
 
@@ -1708,7 +1716,7 @@ elif [[ $command == info ]]; then
 
    if [[ ${#mod_files[@]} == 0 ]]; then
 
        echo "Available mods: none"
 

	
 
    # Plain listing.
 
    # Listing using just regular tools.
 
    elif ! hash jqs 2>/dev/null; then
 
        echo "Available mods:"
 
        echo
 
@@ -1748,7 +1756,7 @@ elif [[ $command == info ]]; then
 

	
 
        done
 

	
 
    # Fancy listing with detection for enabled mods using jq.
 
    # Listing using the jq utility.
 
    elif hash jq 2>/dev/null; then
 
        echo "Available mods (enabled/${_text_yellow}disabled${_text_reset}):"
 
        echo
 
@@ -1804,6 +1812,9 @@ elif [[ $command == info ]]; then
 
#========#
 
elif [[ $command == remove ]]; then
 

	
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
    shift
 
@@ -1819,16 +1830,8 @@ elif [[ $command == remove ]]; then
 
    instance_config="$instance_directory/instance.conf"
 
    lock_file="$instance_directory/.lock"
 

	
 
    # Verify we are working with legitimate instance and backup.
 
    if [[ ! -d $instance_directory ]]; then
 
        error "No such instance: $instance"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -f $instance_config ]]; then
 
        error "Missing instance configuration file: $instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    (
 
        # Obtain lock - Factorio uses the same mechanism, so we should
 
@@ -1912,17 +1915,8 @@ elif [[ $command == remove ]]; then
 
#======#
 
elif [[ $command == copy ]]; then
 

	
 
    # Make sure user has set directory with game installations - test
 
    # both symlink and target destination.
 
    if [[ ! -L $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 

	
 
    if [[ ! -d $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    source_instance="${1-}"
 
@@ -1949,22 +1943,10 @@ elif [[ $command == copy ]]; then
 
    destination_instance_directory="$manager_directory/$destination_instance"
 
    destination_instance_config="$destination_instance_directory/instance.conf"
 

	
 
    # Verify we are working with legitimate source and destination.
 
    if [[ ! -d $source_instance_directory ]]; then
 
        error "No such instance: $source_instance"
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    if [[ ! -f $source_instance_config ]]; then
 
        error "Missing instance configuration file: $source_instance_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 

	
 
    if [[ ! -f $source_game_config ]]; then
 
        error "Missing game configuration file: $source_game_config"
 
        exit "$ERROR_GENERAL"
 
    fi
 
    # Validate that source instance directory contains valid instance.
 
    validate_path_or_terminate "instance_directory" "$source_instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Make sure destination instance directory can be used.
 
    validate_path_or_terminate "instance_directory_new" "$destination_instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    (
 
@@ -2031,22 +2013,14 @@ elif [[ $command == copy ]]; then
 

	
 
    ) 200>"$source_lock_file"
 

	
 

	
 
#========#
 
# import #
 
#========#
 
elif [[ $command == import ]]; then
 

	
 
    # Make sure user has set directory with game installations - test
 
    # both symlink and target destination.
 
    if [[ ! -L $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 

	
 
    if [[ ! -d $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
@@ -2072,6 +2046,13 @@ elif [[ $command == import ]]; then
 
    source_config="$source_directory/config/config.ini"
 
    source_lock_file="$source_directory/.lock"
 

	
 
    # Make sure new instance directory can be used.
 
    validate_path_or_terminate "instance_directory_new" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    # Make sure that the import source is valid (should be Factorio
 
    # installation directory).
 
    validate_path_or_terminate "instance_import_source" "$source_directory" "$ERROR_ARGUMENTS"
 

	
 
    # List of entries to import from the source directory.
 
    declare -A import_entries=()
 
    import_entries["achievements-modded.dat"]="contains achivement information for modded plays"
 
@@ -2086,14 +2067,6 @@ elif [[ $command == import ]]; then
 
    import_entries["player-data.json"]="contains global information about the player, such as username, login token, chat history, etc."
 
    import_entries["saves"]="contains savegames"
 

	
 
    validate_path_or_terminate "instance_directory_new" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    if [[ ! -f $source_directory/bin/x64/factorio ]]; then
 
        error "Could not locate Factorio binary in source directory under: $source_directory/bin/x64/factorio"
 
        error "Factorio Manager natively supports instance imports only when all game data (savegames etc) are stored within Factorio installation directory."
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Display list of available Factorio versions and let user pick one.
 
    echo "Factorio version must  be selected manually for imported instances."
 
    echo
 
@@ -2172,19 +2145,11 @@ EOF
 
# create-server #
 
#===============#
 
elif [[ $command == create-server ]]; then
 
    instance="${1-}"
 

	
 
    # Make sure user has set directory with game installations - test
 
    # both symlink and target destination.
 
    if [[ ! -L $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 
    # Make sure game installations directory has been set.
 
    validate_path_or_terminate "game_installations_directory" "$game_installations_directory" "$ERROR_CONFIGURATION"
 

	
 
    if [[ ! -d $game_installations_directory ]]; then
 
        error "Game installations directory has not been properly set. Please run the set-game-dir command first."
 
        exit "$ERROR_CONFIGURATION"
 
    fi
 
    instance="${1-}"
 

	
 
    # Read positional arguments.
 
    instance="${1-}"
 
@@ -2204,6 +2169,7 @@ elif [[ $command == create-server ]]; then
 
        exit "$ERROR_ARGUMENTS"
 
    fi
 

	
 
    # Make sure new instance directory can be used.
 
    validate_path_or_terminate "instance_directory_new" "$instance_directory" "$ERROR_ARGUMENTS"
 

	
 
    select_factorio_version "$game_installations_directory" || exit "$ERROR_GENERAL"
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