diff --git a/README.md b/README.md index 640a98e..43c924f 100644 --- a/README.md +++ b/README.md @@ -24,6 +24,9 @@ SUBCOMMANDS: export Export a backup as a single player world help Prints this message or the help of the given subcommand(s) restore Restore certain chunks from a backup + +Process finished with exit code 1 + ``` ## Examples @@ -35,9 +38,13 @@ Exporting a backup to a single player world: `albatorss -c test.toml export backups/04-11-20_01.51.27_backup.tar.gz sp.tar.gz` +Restoring a single chunk (from -2,-2 to 2,2): + +`albatorss -c test.toml restore world backups/04-11-20_01.51.27_backup.tar.gz sp.tar.gz` (0,0) + Restoring a range of chunks (from -2,-2 to 2,2): -`albatorss -c test.toml restore world backups/04-11-20_01.51.27_backup.tar.gz sp.tar.gz` -2 -2 2 2 +`albatorss -c test.toml restore world backups/04-11-20_01.51.27_backup.tar.gz sp.tar.gz` (-2,-2) -u (2,2) ## Config ```toml diff --git a/src/backup.rs b/src/backup.rs index d09bca8..1bc4a46 100644 --- a/src/backup.rs +++ b/src/backup.rs @@ -219,7 +219,6 @@ pub fn convert_backup_to_sp( backup: &PathBuf, output: &PathBuf, ) -> Result<(), std::io::Error> { - let extract_path = uncompress_backup(backup)?; if let Some(worlds) = &config.world_config { diff --git a/src/chunk_coordinate.rs b/src/chunk_coordinate.rs new file mode 100644 index 0000000..a5ca72c --- /dev/null +++ b/src/chunk_coordinate.rs @@ -0,0 +1,62 @@ +use regex::Regex; +use std::error::Error; +use std::fmt; +use std::num::ParseIntError; +use std::str::FromStr; + +/// Chunk error +#[derive(Debug)] +pub enum ChunkCoordinateErr { + /// Error parsing integer + ParseIntError(ParseIntError), + /// Regex error + RegexError(regex::Error), + /// Invalid chunk coordinate given + InvalidChunk, +} + +impl From for ChunkCoordinateErr { + fn from(e: ParseIntError) -> Self { + Self::ParseIntError(e) + } +} + +impl From for ChunkCoordinateErr { + fn from(e: regex::Error) -> Self { + Self::RegexError(e) + } +} + +impl fmt::Display for ChunkCoordinateErr { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "Unable to parse chunk range: {:?}", self) + } +} + +impl Error for ChunkCoordinateErr {} + +/// Chunk Coordinate paiir +#[derive(Debug)] +pub struct ChunkCoordinate { + /// X Coordinate + pub x: i32, + /// Z Coordinate + pub z: i32, +} + +impl FromStr for ChunkCoordinate { + type Err = ChunkCoordinateErr; + + fn from_str(s: &str) -> Result { + let re = Regex::new(r"\((?P-?[0-9]*),(?P-?[0-9]*)\)").unwrap(); + + if let Some(cap) = re.captures(s) { + let x = cap["x"].parse::()?; + let z = cap["z"].parse::()?; + + Ok(Self { x, z }) + } else { + Err(ChunkCoordinateErr::InvalidChunk) + } + } +} diff --git a/src/main.rs b/src/main.rs index b2893dc..c3d5a0e 100644 --- a/src/main.rs +++ b/src/main.rs @@ -2,14 +2,16 @@ use std::path::PathBuf; use structopt::StructOpt; mod backup; +mod chunk_coordinate; mod config; mod discord; mod region; mod restore; use crate::backup::{convert_backup_to_sp, do_backup}; +use crate::chunk_coordinate::ChunkCoordinate; use crate::config::AlbatrossConfig; -use crate::restore::{restore_range_from_backup, restore_chunk_from_backup}; +use crate::restore::{restore_chunk_from_backup, restore_range_from_backup}; #[derive(Debug, StructOpt)] #[structopt(about = "Backup your Minecraft Server!")] @@ -50,8 +52,11 @@ enum SubCommand { /// Backup to restore from #[structopt(parse(from_os_str))] backup_path: PathBuf, - /// Backup range can be a single chunk coordinate pair or a chunk range - chunk_range: Vec, + /// Chunk to backup + chunk: ChunkCoordinate, + /// Upper chunk range bound + #[structopt(short, long)] + upper_bound: Option, }, } @@ -84,29 +89,34 @@ fn main() { server_directory, world_name, backup_path, - chunk_range + chunk, + upper_bound, } => { println!("Starting restore"); let server_directory = match server_directory { Some(dir) => dir, - None => cfg.backup.minecraft_dir + None => cfg.backup.minecraft_dir, }; - if chunk_range.len() > 2 { - let lower_x = chunk_range[0]; - let lower_z = chunk_range[1]; - let upper_x = chunk_range[2]; - let upper_z = chunk_range[3]; - match restore_range_from_backup(world_name.as_str(), lower_x, upper_x, lower_z, upper_z, &backup_path, &server_directory) { + if let Some(upper_bound) = upper_bound { + match restore_range_from_backup( + world_name.as_str(), + chunk, + upper_bound, + &backup_path, + &server_directory, + ) { Ok(count) => println!("Restored {} chunks!", count), Err(e) => println!("Error restoring backup: {:?}", e), }; - } - else if chunk_range.len() == 2 { - let x = chunk_range[0]; - let z = chunk_range[1]; - match restore_chunk_from_backup(world_name.as_str(), x, z, &backup_path, &server_directory) { + } else { + match restore_chunk_from_backup( + world_name.as_str(), + chunk, + &backup_path, + &server_directory, + ) { Ok(_) => println!("Restored chunk!"), Err(e) => println!("Error restoring backup: {:?}", e), }; diff --git a/src/restore.rs b/src/restore.rs index 73ee8c0..28d4581 100644 --- a/src/restore.rs +++ b/src/restore.rs @@ -1,45 +1,64 @@ -use anvil_region::AnvilChunkProvider; -use std::path::PathBuf; use crate::backup::uncompress_backup; +use crate::chunk_coordinate::ChunkCoordinate; +use anvil_region::AnvilChunkProvider; use std::error; use std::fs::remove_dir_all; +use std::path::PathBuf; -struct ChunkAccess { +/// Struct for manipulating a world from a backup +struct RestoreAccess { + /// Chunk source src_path: PathBuf, + /// Chunk destination dest_path: PathBuf, } -impl ChunkAccess { - pub fn new(world_name: &str, src_path: &PathBuf, dest_path: &PathBuf) -> Result { +impl RestoreAccess { + /// Create new RestoreAccess + pub fn new( + world_name: &str, + src_path: &PathBuf, + dest_path: &PathBuf, + ) -> Result { let src_path = uncompress_backup(src_path)?.join(world_name).join("region"); - let dest_path= dest_path.join("region"); + let dest_path = dest_path.join(world_name).join("region"); - Ok(ChunkAccess { + Ok(RestoreAccess { src_path, dest_path, }) } - pub fn copy_chunk(&self, x:i32, z:i32) { + /// Copy chunk from source to desination + pub fn copy_chunk(&self, x: i32, z: i32) { let src_provider = AnvilChunkProvider::new(self.src_path.to_str().unwrap()); let dest_provider = AnvilChunkProvider::new(self.dest_path.to_str().unwrap()); let chunk = src_provider.load_chunk(x, z).expect("Unable to load chunk"); - dest_provider.save_chunk(x, z, chunk).expect("Unable to save chunk"); + dest_provider + .save_chunk(x, z, chunk) + .expect("Unable to save chunk"); } + /// Cleanup process pub fn cleanup(self) -> Result<(), std::io::Error> { remove_dir_all("tmp") } - } -pub fn restore_range_from_backup(world_name: &str, lower_x: i32, upper_x: i32, lower_z: i32, upper_z: i32, backup_path: &PathBuf, minecraft_dir: &PathBuf) -> Result> { - let chunk_access = ChunkAccess::new(world_name, backup_path, minecraft_dir)?; +/// Restore a range of chunks from a backup +pub fn restore_range_from_backup( + world_name: &str, + lower: ChunkCoordinate, + upper: ChunkCoordinate, + backup_path: &PathBuf, + minecraft_dir: &PathBuf, +) -> Result> { + let chunk_access = RestoreAccess::new(world_name, backup_path, minecraft_dir)?; let mut count = 0; - for x in lower_x..upper_x { - for z in lower_z..upper_z { + for x in lower.x..=upper.x { + for z in lower.z..=upper.z { chunk_access.copy_chunk(x, z); count += 1; } @@ -49,9 +68,15 @@ pub fn restore_range_from_backup(world_name: &str, lower_x: i32, upper_x: i32, l Ok(count) } -pub fn restore_chunk_from_backup(world_name: &str, x: i32, z: i32, backup_path: &PathBuf, minecraft_dir: &PathBuf) -> Result<(), Box> { - let chunk_access = ChunkAccess::new(world_name, backup_path, minecraft_dir)?; - chunk_access.copy_chunk(x, z); +/// Restore a single chunk from a backup +pub fn restore_chunk_from_backup( + world_name: &str, + chunk: ChunkCoordinate, + backup_path: &PathBuf, + minecraft_dir: &PathBuf, +) -> Result<(), Box> { + let chunk_access = RestoreAccess::new(world_name, backup_path, minecraft_dir)?; + chunk_access.copy_chunk(chunk.x, chunk.z); chunk_access.cleanup()?; Ok(())