feat: create backups from cli for specific layer

.cargo/config.toml

@@ -1,3 +1,3 @@
 [alias]
-runs = "run -- run --config data/config --backup data/backups --world data/worlds --jar paper-1.19.4-550.jar --layers 2min,2,4,4;3min,3,2,2"
+runs = "run -- --config data/config --backup data/backups --world data/worlds --layers 2min,2,4,4;3min,3,2,2"
 runrs = "run --release -- paper 1.19.4-545 --config data/config --backup data/backups --world data/worlds --jar data/paper-1.19.4-525.jar"

src/backup/manager/meta.rs

@@ -101,4 +101,19 @@ where
             Ok(())
         }
     }
+
+    /// Create a manual backup for a specific layer
+    pub fn create_backup(&mut self, layer: &str) -> Option<io::Result<()>> {
+        if let Some(manager) = self.managers.get_mut(layer) {
+            let mut res = manager.create_backup();
+
+            if res.is_ok() {
+                res = manager.remove_old_backups();
+            }
+
+            Some(res)
+        } else {
+            None
+        }
+    }
 }

src/cli/backup.rs

@@ -1,7 +1,10 @@
+use crate::cli::Cli;
 use clap::{Args, Subcommand};
+use std::io;
 
 #[derive(Subcommand)]
 pub enum BackupCommands {
+    Create(BackupCreateArgs),
     List,
 }
 
@@ -10,3 +13,30 @@ pub struct BackupArgs {
     #[command(subcommand)]
     pub command: BackupCommands,
 }
+
+#[derive(Args)]
+pub struct BackupCreateArgs {
+    /// What layer to create a backup in
+    layer: String,
+}
+
+impl BackupArgs {
+    pub fn run(&self, cli: &Cli) -> io::Result<()> {
+        match &self.command {
+            BackupCommands::Create(args) => args.run(cli),
+            BackupCommands::List => Ok(()),
+        }
+    }
+}
+
+impl BackupCreateArgs {
+    pub fn run(&self, cli: &Cli) -> io::Result<()> {
+        let mut meta = cli.meta()?;
+
+        if let Some(res) = meta.create_backup(&self.layer) {
+            res
+        } else {
+            Err(io::Error::new(io::ErrorKind::Other, "Unknown layer"))
+        }
+    }
+}

src/cli/mod.rs

@@ -1,6 +1,8 @@
 mod backup;
 mod run;
 
+pub use crate::backup::MetaManager;
+pub use crate::server::Metadata;
 pub use backup::{BackupArgs, BackupCommands};
 pub use run::RunArgs;
 
@@ -68,7 +70,23 @@ impl Cli {
     pub fn run(&self) -> io::Result<()> {
         match &self.command {
             Commands::Run(args) => args.run(self),
-            Commands::Backup(_) => Ok(()),
+            Commands::Backup(args) => args.run(self),
         }
     }
+
+    /// Convenience method to initialize backup manager from the cli arguments
+    pub fn meta(&self) -> io::Result<MetaManager<Metadata>> {
+        let metadata = Metadata {
+            server_type: self.server,
+            server_version: self.server_version.clone(),
+        };
+        let dirs = vec![
+            (PathBuf::from("config"), self.config.clone()),
+            (PathBuf::from("worlds"), self.world.clone()),
+        ];
+        let mut meta = MetaManager::new(self.backup.clone(), dirs, metadata);
+        meta.add_all(&self.layers)?;
+
+        Ok(meta)
+    }
 }